{"id":958,"date":"2022-07-26T15:12:14","date_gmt":"2022-07-26T07:12:14","guid":{"rendered":"https:\/\/blog.frost-s.com\/?p=958"},"modified":"2024-07-02T09:24:53","modified_gmt":"2024-07-02T01:24:53","slug":"juicefs-%e4%b8%93%e4%b8%ba%e4%ba%91%e4%b8%8a%e5%a4%a7%e6%95%b0%e6%8d%ae%e6%89%93%e9%80%a0%e7%9a%84%e5%ad%98%e5%82%a8%e6%96%b9%e6%a1%88","status":"publish","type":"post","link":"https:\/\/blog.frost-s.com\/index.php\/2022\/07\/26\/juicefs-%e4%b8%93%e4%b8%ba%e4%ba%91%e4%b8%8a%e5%a4%a7%e6%95%b0%e6%8d%ae%e6%89%93%e9%80%a0%e7%9a%84%e5%ad%98%e5%82%a8%e6%96%b9%e6%a1%88\/","title":{"rendered":"JuiceFS\u00a0\u4e13\u4e3a\u4e91\u4e0a\u5927\u6570\u636e\u6253\u9020\u7684\u5b58\u50a8\u65b9\u6848"},"content":{"rendered":"\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<div class='github-info-card github-info-card-full card shadow-sm' data-author='Juicedata' data-project='juicefs' githubinfo-card-id='7854868292' data-getdata='frontend' data-description='' data-stars='' data-forks=''><div class='github-info-card-header'><a href='https:\/\/github.com\/' ref='nofollow' target='_blank' title='Github' no-pjax><span><i class='fa fa-github'><\/i> GitHub<\/span><\/a><\/div><div class='github-info-card-body'>\r\n\t\t\t<div class='github-info-card-name-a'>\r\n\t\t\t\t<a href='https:\/\/github.com\/Juicedata\/juicefs' target='_blank' no-pjax>\r\n\t\t\t\t\t<span class='github-info-card-name'>Juicedata\/juicefs<\/span>\r\n\t\t\t\t<\/a>\r\n\t\t\t\t<\/div>\r\n\t\t\t<div class='github-info-card-description'><\/div>\r\n\t\t<\/div><div class='github-info-card-bottom'>\r\n\t\t\t\t<span class='github-info-card-meta github-info-card-meta-stars'>\r\n\t\t\t\t\t<i class='fa fa-star'><\/i> <span class='github-info-card-stars'><\/span>\r\n\t\t\t\t<\/span>\r\n\t\t\t\t<span class='github-info-card-meta github-info-card-meta-forks'>\r\n\t\t\t\t\t<i class='fa fa-code-fork'><\/i> <span class='github-info-card-forks'><\/span>\r\n\t\t\t\t<\/span>\r\n\t\t\t<\/div><\/div>\n\n\n\n<h1 class=\"wp-block-heading\">\u7b80\u4ecb<\/h1>\n\n\n\n<p><strong>JuiceFS<\/strong>&nbsp;\u662f\u4e00\u6b3e\u9762\u5411\u4e91\u539f\u751f\u8bbe\u8ba1\u7684\u9ad8\u6027\u80fd\u5171\u4eab\u6587\u4ef6\u7cfb\u7edf\uff0c\u5728 Apache 2.0 \u5f00\u6e90\u534f\u8bae\u4e0b\u53d1\u5e03\u3002\u63d0\u4f9b\u5b8c\u5907\u7684&nbsp;<a href=\"https:\/\/en.wikipedia.org\/wiki\/POSIX\" target=\"_blank\" rel=\"noreferrer noopener\">POSIX<\/a>&nbsp;\u517c\u5bb9\u6027\uff0c\u53ef\u5c06\u51e0\u4e4e\u6240\u6709\u5bf9\u8c61\u5b58\u50a8\u63a5\u5165\u672c\u5730\u4f5c\u4e3a\u6d77\u91cf\u672c\u5730\u78c1\u76d8\u4f7f\u7528\uff0c\u4ea6\u53ef\u540c\u65f6\u5728\u8de8\u5e73\u53f0\u3001\u8de8\u5730\u533a\u7684\u4e0d\u540c\u4e3b\u673a\u4e0a\u6302\u8f7d\u8bfb\u5199\u3002<\/p>\n\n\n\n<p>JuiceFS \u91c7\u7528\u300c\u6570\u636e\u300d\u4e0e\u300c\u5143\u6570\u636e\u300d\u5206\u79bb\u5b58\u50a8\u7684\u67b6\u6784\uff0c\u4ece\u800c\u5b9e\u73b0\u6587\u4ef6\u7cfb\u7edf\u7684\u5206\u5e03\u5f0f\u8bbe\u8ba1\u3002\u4f7f\u7528 JuiceFS \u5b58\u50a8\u6570\u636e\uff0c\u6570\u636e\u672c\u8eab\u4f1a\u88ab\u6301\u4e45\u5316\u5728<a href=\"https:\/\/www.juicefs.com\/docs\/zh\/community\/how_to_setup_object_storage#%E6%94%AF%E6%8C%81%E7%9A%84%E5%AD%98%E5%82%A8%E6%9C%8D%E5%8A%A1\">\u5bf9\u8c61\u5b58\u50a8<\/a>\uff08\u4f8b\u5982\uff0cAmazon S3\uff09\uff0c\u76f8\u5bf9\u5e94\u7684\u5143\u6570\u636e\u53ef\u4ee5\u6309\u9700\u6301\u4e45\u5316\u5728 Redis\u3001MySQL\u3001TiKV\u3001SQLite \u7b49\u591a\u79cd<a href=\"https:\/\/www.juicefs.com\/docs\/zh\/community\/databases_for_metadata\">\u6570\u636e\u5e93<\/a>\u4e2d\u3002<\/p>\n\n\n\n<p>JuiceFS \u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684 API\uff0c\u9002\u7528\u4e8e\u5404\u79cd\u5f62\u5f0f\u6570\u636e\u7684\u7ba1\u7406\u3001\u5206\u6790\u3001\u5f52\u6863\u3001\u5907\u4efd\uff0c\u53ef\u4ee5\u5728\u4e0d\u4fee\u6539\u4ee3\u7801\u7684\u524d\u63d0\u4e0b\u65e0\u7f1d\u5bf9\u63a5\u5927\u6570\u636e\u3001\u673a\u5668\u5b66\u4e60\u3001\u4eba\u5de5\u667a\u80fd\u7b49\u5e94\u7528\u5e73\u53f0\uff0c\u4e3a\u5176\u63d0\u4f9b\u6d77\u91cf\u3001\u5f39\u6027\u3001\u4f4e\u4ef7\u7684\u9ad8\u6027\u80fd\u5b58\u50a8\u3002\u8fd0\u7ef4\u4eba\u5458\u4e0d\u7528\u518d\u4e3a\u53ef\u7528\u6027\u3001\u707e\u96be\u6062\u590d\u3001\u76d1\u63a7\u3001\u6269\u5bb9\u7b49\u5de5\u4f5c\u70e6\u607c\uff0c\u4e13\u6ce8\u4e8e\u4e1a\u52a1\u5f00\u53d1\uff0c\u63d0\u5347\u7814\u53d1\u6548\u7387\u3002\u540c\u65f6\u8fd0\u7ef4\u7ec6\u8282\u7684\u7b80\u5316\uff0c\u4e5f\u8ba9\u8fd0\u7ef4\u56e2\u961f\u66f4\u5bb9\u6613\u5411 DevOps \u56e2\u961f\u8f6c\u578b\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u6838\u5fc3\u7279\u6027\">\u6838\u5fc3\u7279\u6027<a href=\"https:\/\/www.juicefs.com\/docs\/zh\/community\/introduction\/#%E6%A0%B8%E5%BF%83%E7%89%B9%E6%80%A7\">\u200b<\/a><\/h2>\n\n\n\n<ol>\n<li><strong>POSIX \u517c\u5bb9<\/strong>\uff1a\u50cf\u672c\u5730\u6587\u4ef6\u7cfb\u7edf\u4e00\u6837\u4f7f\u7528\uff0c\u65e0\u7f1d\u5bf9\u63a5\u5df2\u6709\u5e94\u7528\uff0c\u65e0\u4e1a\u52a1\u4fb5\u5165\u6027\uff1b<\/li>\n\n\n\n<li><strong>HDFS \u517c\u5bb9<\/strong>\uff1a\u5b8c\u6574\u517c\u5bb9\u00a0<a href=\"https:\/\/www.juicefs.com\/docs\/zh\/community\/hadoop_java_sdk\">HDFS API<\/a>\uff0c\u63d0\u4f9b\u66f4\u5f3a\u7684\u5143\u6570\u636e\u6027\u80fd\uff1b<\/li>\n\n\n\n<li><strong>S3 \u517c\u5bb9<\/strong>\uff1a\u63d0\u4f9b\u00a0<a href=\"https:\/\/www.juicefs.com\/docs\/zh\/community\/s3_gateway\">S3 \u7f51\u5173<\/a>\u00a0\u5b9e\u73b0 S3 \u534f\u8bae\u517c\u5bb9\u7684\u8bbf\u95ee\u63a5\u53e3\uff1b<\/li>\n\n\n\n<li><strong>\u4e91\u539f\u751f<\/strong>\uff1a\u901a\u8fc7\u00a0<a href=\"https:\/\/www.juicefs.com\/docs\/zh\/community\/how_to_use_on_kubernetes\">CSI Driver<\/a>\u00a0\u8f7b\u677e\u5730\u5728 Kubernetes \u4e2d\u4f7f\u7528 JuiceFS\uff1b<\/li>\n\n\n\n<li><strong>\u5206\u5e03\u5f0f\u8bbe\u8ba1<\/strong>\uff1a\u540c\u4e00\u6587\u4ef6\u7cfb\u7edf\u53ef\u5728\u4e0a\u5343\u53f0\u670d\u52a1\u5668\u540c\u65f6\u6302\u8f7d\uff0c\u9ad8\u6027\u80fd\u5e76\u53d1\u8bfb\u5199\uff0c\u5171\u4eab\u6570\u636e\uff1b<\/li>\n\n\n\n<li><strong>\u5f3a\u4e00\u81f4\u6027<\/strong>\uff1a\u786e\u8ba4\u7684\u6587\u4ef6\u4fee\u6539\u4f1a\u5728\u6240\u6709\u670d\u52a1\u5668\u4e0a\u7acb\u5373\u53ef\u89c1\uff0c\u4fdd\u8bc1\u5f3a\u4e00\u81f4\u6027\uff1b<\/li>\n\n\n\n<li><strong>\u5f3a\u608d\u6027\u80fd<\/strong>\uff1a\u6beb\u79d2\u7ea7\u5ef6\u8fdf\uff0c\u8fd1\u4e4e\u65e0\u9650\u7684\u541e\u5410\u91cf\uff08\u53d6\u51b3\u4e8e\u5bf9\u8c61\u5b58\u50a8\u89c4\u6a21\uff09\uff0c\u67e5\u770b<a href=\"https:\/\/www.juicefs.com\/docs\/zh\/community\/benchmark\/\">\u6027\u80fd\u6d4b\u8bd5\u7ed3\u679c<\/a>\uff1b<\/li>\n\n\n\n<li><strong>\u6570\u636e\u5b89\u5168<\/strong>\uff1a\u652f\u6301\u4f20\u8f93\u4e2d\u52a0\u5bc6\uff08encryption in transit\uff09\u548c\u9759\u6001\u52a0\u5bc6\uff08encryption at rest\uff09\uff0c<a href=\"https:\/\/www.juicefs.com\/docs\/zh\/community\/security\/encrypt\">\u67e5\u770b\u8be6\u60c5<\/a>\uff1b<\/li>\n\n\n\n<li><strong>\u6587\u4ef6\u9501<\/strong>\uff1a\u652f\u6301 BSD \u9501\uff08flock\uff09\u548c POSIX \u9501\uff08fcntl\uff09\uff1b<\/li>\n\n\n\n<li><strong>\u6570\u636e\u538b\u7f29<\/strong>\uff1a\u652f\u6301\u00a0<a href=\"https:\/\/lz4.github.io\/lz4\" target=\"_blank\" rel=\"noreferrer noopener\">LZ4<\/a>\u00a0\u548c\u00a0<a href=\"https:\/\/facebook.github.io\/zstd\" target=\"_blank\" rel=\"noreferrer noopener\">Zstandard<\/a>\u00a0\u538b\u7f29\u7b97\u6cd5\uff0c\u8282\u7701\u5b58\u50a8\u7a7a\u95f4\u3002<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u5e94\u7528\u573a\u666f\">\u5e94\u7528\u573a\u666f<a href=\"https:\/\/www.juicefs.com\/docs\/zh\/community\/introduction\/#%E5%BA%94%E7%94%A8%E5%9C%BA%E6%99%AF\">\u200b<\/a><\/h2>\n\n\n\n<p>JuiceFS \u4e3a\u6d77\u91cf\u6570\u636e\u5b58\u50a8\u8bbe\u8ba1\uff0c\u53ef\u4ee5\u4f5c\u4e3a\u5f88\u591a\u5206\u5e03\u5f0f\u6587\u4ef6\u7cfb\u7edf\u548c\u7f51\u7edc\u6587\u4ef6\u7cfb\u7edf\u7684\u66ff\u4ee3\uff0c\u7279\u522b\u662f\u4ee5\u4e0b\u573a\u666f\uff1a<\/p>\n\n\n\n<ul>\n<li><strong>\u5927\u6570\u636e\u5206\u6790<\/strong>\uff1aHDFS \u517c\u5bb9\uff0c\u6ca1\u6709\u4efb\u4f55\u7279\u6b8a API \u4fb5\u5165\u4e1a\u52a1\uff1b\u4e0e\u4e3b\u6d41\u8ba1\u7b97\u5f15\u64ce\uff08Spark\u3001Presto\u3001Hive \u7b49\uff09\u65e0\u7f1d\u8854\u63a5\uff1b\u65e0\u9650\u6269\u5c55\u7684\u5b58\u50a8\u7a7a\u95f4\uff1b\u8fd0\u7ef4\u6210\u672c\u51e0\u4e4e\u4e3a 0\uff1b\u5b8c\u5584\u7684\u7f13\u5b58\u673a\u5236\uff0c\u9ad8\u4e8e\u5bf9\u8c61\u5b58\u50a8\u6027\u80fd\u6570\u500d\u3002<\/li>\n\n\n\n<li><strong>\u673a\u5668\u5b66\u4e60<\/strong>\uff1aPOSIX \u517c\u5bb9\uff0c\u53ef\u4ee5\u652f\u6301\u6240\u6709\u673a\u5668\u5b66\u4e60\u3001\u6df1\u5ea6\u5b66\u4e60\u6846\u67b6\uff1b\u5171\u4eab\u80fd\u529b\u63d0\u5347\u56e2\u961f\u7ba1\u7406\u3001\u4f7f\u7528\u6570\u636e\u6548\u7387\u3002<\/li>\n\n\n\n<li><strong>\u5bb9\u5668\u96c6\u7fa4\u4e2d\u7684\u6301\u4e45\u5377<\/strong>\uff1aKubernetes CSI \u652f\u6301\uff1b\u6301\u4e45\u5b58\u50a8\u5e76\u4e0e\u5bb9\u5668\u751f\u5b58\u671f\u72ec\u7acb\uff1b\u5f3a\u4e00\u81f4\u6027\u4fdd\u8bc1\u6570\u636e\u6b63\u786e\uff1b\u63a5\u7ba1\u6570\u636e\u5b58\u50a8\u9700\u6c42\uff0c\u4fdd\u8bc1\u670d\u52a1\u7684\u65e0\u72b6\u6001\u5316\u3002<\/li>\n\n\n\n<li><strong>\u5171\u4eab\u5de5\u4f5c\u533a<\/strong>\uff1a\u53ef\u4ee5\u5728\u4efb\u610f\u4e3b\u673a\u6302\u8f7d\uff1b\u6ca1\u6709\u5ba2\u6237\u7aef\u5e76\u53d1\u8bfb\u5199\u9650\u5236\uff1bPOSIX \u517c\u5bb9\u5df2\u6709\u7684\u6570\u636e\u6d41\u548c\u811a\u672c\u64cd\u4f5c\u3002<\/li>\n\n\n\n<li><strong>\u6570\u636e\u5907\u4efd<\/strong>\uff1a\u5728\u65e0\u9650\u5e73\u6ed1\u6269\u5c55\u7684\u5b58\u50a8\u7a7a\u95f4\u5907\u4efd\u5404\u79cd\u6570\u636e\uff0c\u7ed3\u5408\u5171\u4eab\u6302\u8f7d\u529f\u80fd\uff0c\u53ef\u4ee5\u5c06\u591a\u4e3b\u673a\u6570\u636e\u6c47\u603b\u81f3\u4e00\u5904\uff0c\u505a\u7edf\u4e00\u5907\u4efd\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u6570\u636e\u9690\u79c1\">\u6570\u636e\u9690\u79c1<a href=\"https:\/\/www.juicefs.com\/docs\/zh\/community\/introduction\/#%E6%95%B0%E6%8D%AE%E9%9A%90%E7%A7%81\">\u200b<\/a><\/h2>\n\n\n\n<p>JuiceFS \u662f\u5f00\u6e90\u8f6f\u4ef6\uff0c\u4f60\u53ef\u4ee5\u5728&nbsp;<a href=\"https:\/\/github.com\/juicedata\/juicefs\" target=\"_blank\" rel=\"noreferrer noopener\">GitHub<\/a>&nbsp;\u627e\u5230\u5b8c\u6574\u7684\u6e90\u4ee3\u7801\u3002\u5728\u4f7f\u7528 JuiceFS \u5b58\u50a8\u6570\u636e\u65f6\uff0c\u6570\u636e\u4f1a\u6309\u7167\u4e00\u5b9a\u7684\u89c4\u5219\u88ab\u62c6\u5206\u6210\u6570\u636e\u5757\u5e76\u4fdd\u5b58\u5728\u4f60\u81ea\u5df1\u5b9a\u4e49\u7684\u5bf9\u8c61\u5b58\u50a8\u6216\u5176\u5b83\u5b58\u50a8\u4ecb\u8d28\u4e2d\uff0c\u6570\u636e\u6240\u5bf9\u5e94\u7684\u5143\u6570\u636e\u5219\u5b58\u50a8\u5728\u4f60\u81ea\u5df1\u5b9a\u4e49\u7684\u6570\u636e\u5e93\u4e2d\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u6838\u5fc3\u67b6\u6784\">\u6838\u5fc3\u67b6\u6784<a href=\"https:\/\/www.juicefs.com\/docs\/zh\/community\/architecture#%E6%A0%B8%E5%BF%83%E6%9E%B6%E6%9E%84\">\u200b<\/a><\/h2>\n\n\n\n<p>JuiceFS \u6587\u4ef6\u7cfb\u7edf\u7531\u4e09\u4e2a\u90e8\u5206\u7ec4\u6210\uff1a<\/p>\n\n\n\n<ul>\n<li><strong>JuiceFS \u5ba2\u6237\u7aef<\/strong>\uff1a\u534f\u8c03\u5bf9\u8c61\u5b58\u50a8\u548c\u5143\u6570\u636e\u5b58\u50a8\u5f15\u64ce\uff0c\u4ee5\u53ca POSIX\u3001Hadoop\u3001Kubernetes CSI Driver\u3001S3 Gateway \u7b49\u6587\u4ef6\u7cfb\u7edf\u63a5\u53e3\u7684\u5b9e\u73b0\uff1b<\/li>\n\n\n\n<li><strong>\u6570\u636e\u5b58\u50a8<\/strong>\uff1a\u5b58\u50a8\u6570\u636e\u672c\u8eab\uff0c\u652f\u6301\u672c\u5730\u78c1\u76d8\u3001\u516c\u6709\u4e91\u6216\u79c1\u6709\u4e91\u5bf9\u8c61\u5b58\u50a8\u3001HDFS \u7b49\u4ecb\u8d28\uff1b<\/li>\n\n\n\n<li><strong>\u5143\u6570\u636e\u5f15\u64ce<\/strong>\uff1a\u5b58\u50a8\u6570\u636e\u5bf9\u5e94\u7684\u5143\u6570\u636e\uff08metadata\uff09\u5305\u542b\u6587\u4ef6\u540d\u3001\u6587\u4ef6\u5927\u5c0f\u3001\u6743\u9650\u7ec4\u3001\u521b\u5efa\u4fee\u6539\u65f6\u95f4\u548c\u76ee\u5f55\u7ed3\u6784\uff0c\u652f\u6301 Redis\u3001MySQL\u3001TiKV \u7b49\u591a\u79cd\u5f15\u64ce\uff1b<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/blog.frost-s.com\/wp-content\/uploads\/2024\/07\/image-14.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"742\" height=\"671\" data-original=\"https:\/\/blog.frost-s.com\/wp-content\/uploads\/2024\/07\/image-14.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-1148\"  sizes=\"(max-width: 742px) 100vw, 742px\" \/><\/div><\/figure>\n\n\n\n<p>\u4f5c\u4e3a\u6587\u4ef6\u7cfb\u7edf\uff0cJuiceFS \u4f1a\u5206\u522b\u5904\u7406\u6570\u636e\u53ca\u5176\u5bf9\u5e94\u7684\u5143\u6570\u636e\uff0c\u6570\u636e\u4f1a\u88ab\u5b58\u50a8\u5728\u5bf9\u8c61\u5b58\u50a8\u4e2d\uff0c\u5143\u6570\u636e\u4f1a\u88ab\u5b58\u50a8\u5728\u5143\u6570\u636e\u670d\u52a1\u5f15\u64ce\u4e2d\u3002<\/p>\n\n\n\n<p>\u5728&nbsp;<strong>\u6570\u636e\u5b58\u50a8<\/strong>&nbsp;\u65b9\u9762\uff0cJuiceFS \u652f\u6301\u51e0\u4e4e\u6240\u6709\u7684\u516c\u6709\u4e91\u5bf9\u8c61\u5b58\u50a8\uff0c\u540c\u65f6\u4e5f\u652f\u6301 OpenStack Swift\u3001Ceph\u3001MinIO \u7b49\u79c1\u6709\u5316\u7684\u5bf9\u8c61\u5b58\u50a8\u3002<\/p>\n\n\n\n<p>\u5728&nbsp;<strong>\u5143\u6570\u636e\u5b58\u50a8<\/strong>&nbsp;\u65b9\u9762\uff0cJuiceFS \u91c7\u7528\u591a\u5f15\u64ce\u8bbe\u8ba1\uff0c\u76ee\u524d\u5df2\u652f\u6301 Redis\u3001TiKV\u3001MySQL\/MariaDB\u3001PostgreSQL\u3001SQLite \u7b49\u4f5c\u4e3a\u5143\u6570\u636e\u670d\u52a1\u5f15\u64ce\uff0c\u4e5f\u5c06\u9646\u7eed\u5b9e\u73b0\u66f4\u591a\u5143\u6570\u636e\u5b58\u50a8\u5f15\u64ce\u3002\u6b22\u8fce&nbsp;<a href=\"https:\/\/github.com\/juicedata\/juicefs\/issues\" target=\"_blank\" rel=\"noreferrer noopener\">\u63d0\u4ea4 Issue<\/a>&nbsp;\u53cd\u9988\u4f60\u7684\u9700\u6c42\u3002<\/p>\n\n\n\n<p>\u5728&nbsp;<strong>\u6587\u4ef6\u7cfb\u7edf\u63a5\u53e3<\/strong>&nbsp;\u5b9e\u73b0\u65b9\u9762\uff1a<\/p>\n\n\n\n<ul>\n<li>\u901a\u8fc7\u00a0<strong>FUSE<\/strong>\uff0cJuiceFS \u6587\u4ef6\u7cfb\u7edf\u80fd\u591f\u4ee5 POSIX \u517c\u5bb9\u7684\u65b9\u5f0f\u6302\u8f7d\u5230\u670d\u52a1\u5668\uff0c\u5c06\u6d77\u91cf\u4e91\u7aef\u5b58\u50a8\u76f4\u63a5\u5f53\u505a\u672c\u5730\u5b58\u50a8\u6765\u4f7f\u7528\u3002<\/li>\n\n\n\n<li>\u901a\u8fc7\u00a0<strong>Hadoop Java SDK<\/strong>\uff0cJuiceFS \u6587\u4ef6\u7cfb\u7edf\u80fd\u591f\u76f4\u63a5\u66ff\u4ee3 HDFS\uff0c\u4e3a Hadoop \u63d0\u4f9b\u4f4e\u6210\u672c\u7684\u6d77\u91cf\u5b58\u50a8\u3002<\/li>\n\n\n\n<li>\u901a\u8fc7\u00a0<strong>Kubernetes CSI Driver<\/strong>\uff0cJuiceFS \u6587\u4ef6\u7cfb\u7edf\u80fd\u591f\u76f4\u63a5\u4e3a Kubernetes \u63d0\u4f9b\u6d77\u91cf\u5b58\u50a8\u3002<\/li>\n\n\n\n<li>\u901a\u8fc7\u00a0<strong>S3 Gateway<\/strong>\uff0c\u4f7f\u7528 S3 \u4f5c\u4e3a\u5b58\u50a8\u5c42\u7684\u5e94\u7528\u53ef\u76f4\u63a5\u63a5\u5165\uff0c\u540c\u65f6\u53ef\u4f7f\u7528 AWS CLI\u3001s3cmd\u3001MinIO client \u7b49\u5de5\u5177\u8bbf\u95ee JuiceFS \u6587\u4ef6\u7cfb\u7edf\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u5982\u4f55\u5b58\u50a8\u6587\u4ef6\">\u5982\u4f55\u5b58\u50a8\u6587\u4ef6<a href=\"https:\/\/www.juicefs.com\/docs\/zh\/community\/architecture#%E5%A6%82%E4%BD%95%E5%AD%98%E5%82%A8%E6%96%87%E4%BB%B6\">\u200b<\/a><\/h2>\n\n\n\n<p>\u4e0e\u4f20\u7edf\u6587\u4ef6\u7cfb\u7edf\u53ea\u80fd\u4f7f\u7528\u672c\u5730\u78c1\u76d8\u5b58\u50a8\u6570\u636e\u548c\u5bf9\u5e94\u7684\u5143\u6570\u636e\u7684\u6a21\u5f0f\u4e0d\u540c\uff0cJuiceFS \u4f1a\u5c06\u6570\u636e\u683c\u5f0f\u5316\u4ee5\u540e\u5b58\u50a8\u5728\u5bf9\u8c61\u5b58\u50a8\uff0c\u540c\u65f6\u4f1a\u5c06\u6587\u4ef6\u7684\u5143\u6570\u636e\u5b58\u50a8\u5728\u5143\u6570\u636e\u5f15\u64ce\u3002\u5728\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\uff0cChunk\u3001Slice\u3001Block \u662f\u4e09\u4e2a\u91cd\u8981\u7684\u6982\u5ff5\uff1a<\/p>\n\n\n\n<p>\u5bf9\u4e8e JuiceFS\uff0c\u6bcf\u4e00\u4e2a\u6587\u4ef6\u90fd\u7531 1 \u6216\u591a\u4e2a\u300cChunk\u300d\u7ec4\u6210\uff0c\u6bcf\u4e2a Chunk \u6700\u5927 64M\u3002\u4e0d\u8bba\u6587\u4ef6\u6709\u591a\u5927\uff0c\u6240\u6709\u7684\u8bfb\u5199\u90fd\u4f1a\u6839\u636e\u5176\u504f\u79fb\u91cf\uff08\u4e5f\u5c31\u662f\u4ea7\u751f\u8bfb\u5199\u64cd\u4f5c\u7684\u6587\u4ef6\u4f4d\u7f6e\uff09\u6765\u5b9a\u4f4d\u5230\u5bf9\u5e94\u7684 Chunk\u3002\u6b63\u662f\u8fd9\u79cd\u5206\u800c\u6cbb\u4e4b\u7684\u8bbe\u8ba1\uff0c\u8ba9 JuiceFS \u9762\u5bf9\u5927\u6587\u4ef6\u4e5f\u6709\u4f18\u79c0\u7684\u6027\u80fd\u3002\u53ea\u8981\u6587\u4ef6\u603b\u957f\u5ea6\u6ca1\u6709\u53d8\u5316\uff0c\u4e0d\u8bba\u7ecf\u5386\u591a\u5c11\u4fee\u6539\u5199\u5165\uff0c\u6587\u4ef6\u7684 Chunk \u5207\u5206\u90fd\u662f\u56fa\u5b9a\u7684\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/blog.frost-s.com\/wp-content\/uploads\/2024\/07\/image-15.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"560\" height=\"413\" data-original=\"https:\/\/blog.frost-s.com\/wp-content\/uploads\/2024\/07\/image-15.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-1149\"  sizes=\"(max-width: 560px) 100vw, 560px\" \/><\/div><\/figure>\n\n\n\n<p>Chunk \u7684\u5b58\u5728\u662f\u4e3a\u4e86\u4f18\u5316\u67e5\u627e\u5b9a\u4f4d\uff0c\u5b9e\u9645\u7684\u6587\u4ef6\u5199\u5165\u5219\u5728\u300cSlice\u300d\u4e0a\u8fdb\u884c\u3002\u5728 JuiceFS \u4e2d\uff0c\u4e00\u4e2a Slice \u4ee3\u8868\u4e00\u6b21\u8fde\u7eed\u5199\u5165\uff0c\u96b6\u5c5e\u4e8e\u67d0\u4e2a Chunk\uff0c\u5e76\u4e14\u4e0d\u80fd\u8de8\u8d8a Chunk \u8fb9\u754c\uff0c\u56e0\u6b64 Slice \u957f\u5ea6\u4e5f\u4e0d\u4f1a\u8d85 64M\u3002<\/p>\n\n\n\n<p>\u4e3e\u4f8b\u8bf4\u660e\uff0c\u5982\u679c\u4e00\u4e2a\u6587\u4ef6\u662f\u7531\u4e00\u6b21\u8fde\u8d2f\u7684\u987a\u5e8f\u5199\u751f\u6210\uff0c\u90a3\u4e48\u6bcf\u4e2a Chunk \u4e2d\u53ea\u5c06\u4f1a\u4ec5\u5305\u542b\u4e00\u4e2a Slice\u3002\u4e0a\u65b9\u7684\u793a\u610f\u56fe\u5c31\u5c5e\u4e8e\u8fd9\u79cd\u60c5\u51b5\uff1a\u987a\u5e8f\u5199\u5165\u4e00\u4e2a 160M \u6587\u4ef6\uff0c\u6700\u7ec8\u4f1a\u4ea7\u751f 3 \u4e2a Chunk\uff0c\u800c\u6bcf\u4e2a Chunk \u4ec5\u5305\u542b\u4e00\u4e2a Slice\u3002<\/p>\n\n\n\n<p>\u6587\u4ef6\u5199\u5165\u4f1a\u4ea7\u751f Slice\uff0c\u800c\u8c03\u7528&nbsp;<code>flush<\/code>&nbsp;\u5219\u4f1a\u5c06\u8fd9\u4e9b Slice \u6301\u4e45\u5316\u3002<code>flush<\/code>&nbsp;\u53ef\u4ee5\u88ab\u7528\u6237\u663e\u5f0f\u8c03\u7528\uff0c\u5c31\u7b97\u4e0d\u8c03\u7528\uff0cJuiceFS \u5ba2\u6237\u7aef\u4e5f\u4f1a\u81ea\u52a8\u5728\u6070\u5f53\u7684\u65f6\u673a\u8fdb\u884c&nbsp;<code>flush<\/code>\uff0c\u9632\u6b62<a href=\"https:\/\/juicefs.com\/docs\/zh\/community\/guide\/cache#buffer-size\">\u7f13\u51b2\u533a<\/a>\u88ab\u5199\u6ee1\u3002\u6301\u4e45\u5316\u5230\u5bf9\u8c61\u5b58\u50a8\u65f6\uff0c\u4e3a\u4e86\u80fd\u591f\u5c3d\u5feb\u5199\u5165\uff0c\u4f1a\u5bf9 Slice \u8fdb\u884c\u8fdb\u4e00\u6b65\u62c6\u5206\u6210\u4e00\u4e2a\u4e2a\u300cBlock\u300d\uff08\u9ed8\u8ba4\u6700\u5927 4M\uff09\uff0c\u591a\u7ebf\u7a0b\u5e76\u53d1\u5199\u5165\u4ee5\u63d0\u5347\u5199\u6027\u80fd\u3002\u4e0a\u8fb9\u4ecb\u7ecd\u7684 Chunk\u3001Slice\uff0c\u5176\u5b9e\u90fd\u662f\u903b\u8f91\u6570\u636e\u7ed3\u6784\uff0cBlock \u5219\u662f\u6700\u7ec8\u7684\u7269\u7406\u5b58\u50a8\u5f62\u5f0f\uff0c\u662f\u5bf9\u8c61\u5b58\u50a8\u548c\u78c1\u76d8\u7f13\u5b58\u7684\u6700\u5c0f\u5b58\u50a8\u5355\u5143\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/blog.frost-s.com\/wp-content\/uploads\/2024\/07\/image-16.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"719\" height=\"533\" data-original=\"https:\/\/blog.frost-s.com\/wp-content\/uploads\/2024\/07\/image-16.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-1150\"  sizes=\"(max-width: 719px) 100vw, 719px\" \/><\/div><\/figure>\n\n\n\n<p>\u56e0\u6b64\uff0c\u6587\u4ef6\u5199\u5165 JuiceFS \u540e\uff0c\u4f60\u4e0d\u4f1a\u5728\u5bf9\u8c61\u5b58\u50a8\u4e2d\u627e\u5230\u539f\u59cb\u6587\u4ef6\uff0c\u5b58\u50a8\u6876\u4e2d\u53ea\u6709\u4e00\u4e2a&nbsp;<code>chunks<\/code>&nbsp;\u76ee\u5f55\u548c\u4e00\u5806\u6570\u5b57\u7f16\u53f7\u7684\u76ee\u5f55\u548c\u6587\u4ef6\uff0c\u8ba9\u4eba\u4e0d\u7981\u7591\u60d1\u300c\u6211\u7684\u6587\u4ef6\u5230\u5e95\u53bb\u4e86\u54ea\u513f\u300d\uff1f\u4f46\u4e8b\u5b9e\u4e0a\uff0c\u8fd9\u4e9b\u6570\u5b57\u7f16\u53f7\u7684\u5bf9\u8c61\u5b58\u50a8\u6587\u4ef6\u6b63\u662f\u7ecf\u8fc7 JuiceFS \u62c6\u5206\u5b58\u50a8\u7684 Block\uff0c\u800c\u8fd9\u4e9b Block \u4e0e Chunk\u3001Slice \u7684\u5bf9\u5e94\u5173\u7cfb\uff0c\u4ee5\u53ca\u5176\u4ed6\u5143\u6570\u636e\u4fe1\u606f\uff08\u6bd4\u5982\u6587\u4ef6\u540d\u3001\u5927\u5c0f\u7b49\u5c5e\u6027\uff09\u5219\u5b58\u50a8\u5728\u5143\u6570\u636e\u5f15\u64ce\u4e2d\uff0c\u8fd9\u6837\u7684\u5206\u79bb\u8bbe\u8ba1\uff0c\u8ba9 JuiceFS \u6587\u4ef6\u7cfb\u7edf\u5f97\u4ee5\u9ad8\u6027\u80fd\u8fd0\u4f5c\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/blog.frost-s.com\/wp-content\/uploads\/2024\/07\/image-17-1024x519.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"519\" data-original=\"https:\/\/blog.frost-s.com\/wp-content\/uploads\/2024\/07\/image-17-1024x519.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-1151\"  sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<p>\u56de\u5230\u903b\u8f91\u6570\u636e\u7ed3\u6784\u7684\u8bdd\u9898\uff0c\u5982\u679c\u6587\u4ef6\u5e76\u4e0d\u662f\u7531\u8fde\u8d2f\u7684\u987a\u5e8f\u5199\u751f\u6210\uff0c\u800c\u662f\u591a\u6b21\u8ffd\u52a0\u5199\uff0c\u6bcf\u6b21\u8ffd\u52a0\u5747\u8c03\u7528&nbsp;<code>flush<\/code>&nbsp;\u89e6\u53d1\u5199\u5165\u4e0a\u4f20\uff0c\u5c31\u4f1a\u4ea7\u751f\u591a\u4e2a Slice\u3002\u5982\u679c\u6bcf\u6b21\u8ffd\u52a0\u5199\u5165\u7684\u6570\u636e\u91cf\u4e0d\u8db3 4M\uff0c\u90a3\u4e48\u6700\u7ec8\u5b58\u5165\u5bf9\u8c61\u5b58\u50a8\u7684\u6570\u636e\u5757\uff0c\u4e5f\u4f1a\u662f\u4e00\u4e2a\u4e2a\u5c0f\u4e8e 4M \u7684 Block\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/blog.frost-s.com\/wp-content\/uploads\/2024\/07\/image-18.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"561\" height=\"263\" data-original=\"https:\/\/blog.frost-s.com\/wp-content\/uploads\/2024\/07\/image-18.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-1152\"  sizes=\"(max-width: 561px) 100vw, 561px\" \/><\/div><\/figure>\n\n\n\n<p>\u53d6\u51b3\u4e8e\u5199\u5165\u6a21\u5f0f\uff0cSlice \u7684\u6392\u5217\u6a21\u5f0f\u53ef\u4ee5\u662f\u591a\u79cd\u591a\u6837\u7684\uff1a\u5982\u679c\u6587\u4ef6\u5728\u76f8\u540c\u533a\u57df\u88ab\u53cd\u590d\u4fee\u6539\uff0cSlice \u4e4b\u95f4\u4f1a\u53d1\u751f\u91cd\u53e0\u3002\u5982\u679c\u5728\u4e92\u4e0d\u91cd\u5408\u7684\u533a\u57df\u8fdb\u884c\u5199\u5165\uff0cSlice \u4e2d\u95f4\u4f1a\u6709\u95f4\u9694\u3002\u4f46\u4e0d\u8bba Slice \u7684\u6392\u5217\u6709\u591a\u590d\u6742\uff0c\u5f53\u8bfb\u6587\u4ef6\u53d1\u751f\u65f6\uff0c\u5bf9\u4e8e\u6bcf\u4e00\u5904\u6587\u4ef6\u4f4d\u7f6e\uff0c\u90fd\u4f1a\u8bfb\u5230\u8be5\u4f4d\u7f6e\u6700\u65b0\u5199\u5165\u7684 Slice\uff0c\u7528\u4e0b\u56fe\u53ef\u4ee5\u66f4\u52a0\u76f4\u89c2\u5730\u7406\u89e3\uff1aSlice \u867d\u7136\u4f1a\u76f8\u4e92\u5806\u53e0\uff0c\u4f46\u8bfb\u6587\u4ef6\u4e00\u5b9a\u662f\u201c\u4ece\u4e0a\u5f80\u4e0b\u770b\u201d\uff0c\u56e0\u6b64\u4e00\u5b9a\u4f1a\u770b\u5230\u8be5\u6587\u4ef6\u7684\u6700\u65b0\u72b6\u6001\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/blog.frost-s.com\/wp-content\/uploads\/2024\/07\/image-19.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"536\" height=\"383\" data-original=\"https:\/\/blog.frost-s.com\/wp-content\/uploads\/2024\/07\/image-19.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-1153\"  sizes=\"(max-width: 536px) 100vw, 536px\" \/><\/div><\/figure>\n\n\n\n<p>\u6b63\u662f\u7531\u4e8e Slice \u4f1a\u76f8\u4e92\u8986\u76d6\uff0cJuiceFS \u5728 Chunk \u4e0e Slice \u7684\u5f15\u7528\u5173\u7cfb\u4e2d\uff0c<a href=\"https:\/\/juicefs.com\/docs\/zh\/community\/internals#sliceref\">\u6807\u8bb0\u4e86\u5404\u4e2a Slice \u7684\u6709\u6548\u6570\u636e\u504f\u79fb\u8303\u56f4<\/a>\uff0c\u7528\u8fd9\u79cd\u65b9\u5f0f\u544a\u8bc9\u6587\u4ef6\u7cfb\u7edf\uff0c\u6bcf\u4e00\u4e2a Slice \u4e2d\u7684\u54ea\u4e9b\u90e8\u5206\u662f\u6709\u6548\u7684\u6570\u636e\u3002<\/p>\n\n\n\n<p>\u4f46\u4e5f\u4e0d\u96be\u60f3\u8c61\uff0c\u8bfb\u53d6\u6587\u4ef6\u9700\u8981\u67e5\u627e\u300c\u5f53\u524d\u8bfb\u53d6\u8303\u56f4\u5185\u6700\u65b0\u5199\u5165\u7684 Slice\u300d\uff0c\u5728\u4e0a\u56fe\u6240\u793a\u7684\u5927\u91cf\u5806\u53e0 Slice \u7684\u60c5\u51b5\u4e0b\uff0c\u8fd9\u6837\u7684\u53cd\u590d\u67e5\u627e\u5c06\u4f1a\u663e\u8457\u5f71\u54cd\u8bfb\u6027\u80fd\uff0c\u6211\u4eec\u79f0\u4e4b\u4e3a\u6587\u4ef6\u300c\u788e\u7247\u5316\u300d\u3002\u788e\u7247\u5316\u4e0d\u4ec5\u5f71\u54cd\u8bfb\u6027\u80fd\uff0c\u8fd8\u4f1a\u5728\u5404\u4e2a\u5c42\u9762\uff08\u5bf9\u8c61\u5b58\u50a8\u3001\u5143\u6570\u636e\uff09\u589e\u52a0\u7a7a\u95f4\u5360\u7528\u3002\u56e0\u6b64\u6bcf\u5f53\u5199\u5165\u53d1\u751f\u65f6\uff0c\u5ba2\u6237\u7aef\u90fd\u4f1a\u5224\u65ad\u6587\u4ef6\u7684\u788e\u7247\u5316\u60c5\u51b5\uff0c\u5e76\u5f02\u6b65\u5730\u8fd0\u884c\u788e\u7247\u5408\u5e76\uff0c\u5c06\u540c\u4e00\u4e2a Chunk \u5185\u7684\u6240\u6709 Slice \u5408\u5e76\u4e3a\u4e00\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/blog.frost-s.com\/wp-content\/uploads\/2024\/07\/image-20.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"522\" height=\"422\" data-original=\"https:\/\/blog.frost-s.com\/wp-content\/uploads\/2024\/07\/image-20.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-1154\"  sizes=\"(max-width: 522px) 100vw, 522px\" \/><\/div><\/figure>\n\n\n\n<p>\u6700\u540e\uff0cJuiceFS \u7684\u5b58\u50a8\u8bbe\u8ba1\uff0c\u8fd8\u6709\u7740\u4ee5\u4e0b\u503c\u5f97\u4e00\u63d0\u7684\u6280\u672f\u7279\u70b9\uff1a<\/p>\n\n\n\n<ul>\n<li>\u5bf9\u4e8e\u4efb\u610f\u5927\u5c0f\u7684\u6587\u4ef6\uff0cJuiceFS \u90fd\u4e0d\u8fdb\u884c\u5408\u5e76\u5b58\u50a8\uff0c\u8fd9\u4e5f\u662f\u4e3a\u4e86\u6027\u80fd\u8003\u8651\uff0c\u907f\u514d\u8bfb\u653e\u5927\u3002<\/li>\n\n\n\n<li>\u63d0\u4f9b\u5f3a\u4e00\u81f4\u6027\u4fdd\u8bc1\uff0c\u4f46\u4e5f\u53ef\u4ee5\u6839\u636e\u573a\u666f\u9700\u8981\u4e0e\u7f13\u5b58\u529f\u80fd\u4e00\u8d77\u8c03\u4f18\uff0c\u6bd4\u5982\u901a\u8fc7\u8bbe\u7f6e\u51fa\u66f4\u6fc0\u8fdb\u7684\u5143\u6570\u636e\u7f13\u5b58\uff0c\u727a\u7272\u4e00\u90e8\u5206\u4e00\u81f4\u6027\uff0c\u6362\u53d6\u66f4\u597d\u7684\u6027\u80fd\u3002\u8be6\u89c1<a href=\"https:\/\/juicefs.com\/docs\/zh\/community\/guide\/cache#metadata-cache\">\u300c\u5143\u6570\u636e\u7f13\u5b58\u300d<\/a>\u3002<\/li>\n\n\n\n<li>\u652f\u6301\u5e76\u9ed8\u8ba4\u5f00\u542f<a href=\"https:\/\/juicefs.com\/docs\/zh\/community\/security\/trash\">\u300c\u56de\u6536\u7ad9\u300d<\/a>\u529f\u80fd\uff0c\u5220\u9664\u6587\u4ef6\u540e\u4fdd\u7559\u4e00\u6bb5\u65f6\u95f4\u624d\u5f7b\u5e95\u6e05\u7406\uff0c\u6700\u5927\u7a0b\u5ea6\u907f\u514d\u8bef\u5220\u6587\u4ef6\u5bfc\u81f4\u4e8b\u6545\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u5199\u5165\u6d41\u7a0b\">\u5199\u5165\u6d41\u7a0b<a href=\"https:\/\/www.juicefs.com\/docs\/zh\/community\/internals\/io_processing#%E5%86%99%E5%85%A5%E6%B5%81%E7%A8%8B\">\u200b<\/a><\/h2>\n\n\n\n<p>JuiceFS \u5bf9\u5927\u6587\u4ef6\u4f1a\u505a\u591a\u7ea7\u62c6\u5206\uff08\u53c2\u89c1&nbsp;<a href=\"https:\/\/www.juicefs.com\/docs\/zh\/community\/how_juicefs_store_files\">JuiceFS \u5982\u4f55\u5b58\u50a8\u6587\u4ef6<\/a>\uff09\uff0c\u4ee5\u63d0\u9ad8\u8bfb\u5199\u6548\u7387\u3002\u5728\u5904\u7406\u5199\u8bf7\u6c42\u65f6\uff0cJuiceFS \u5148\u5c06\u6570\u636e\u5199\u5165 Client \u7684\u5185\u5b58\u7f13\u51b2\u533a\uff0c\u5e76\u5728\u5176\u4e2d\u6309 Chunk\/Slice \u7684\u5f62\u5f0f\u8fdb\u884c\u7ba1\u7406\u3002Chunk \u662f\u6839\u636e\u6587\u4ef6\u5185 offset \u6309 64 MiB \u5927\u5c0f\u62c6\u5206\u7684\u8fde\u7eed\u903b\u8f91\u5355\u5143\uff0c\u4e0d\u540c Chunk \u4e4b\u95f4\u5b8c\u5168\u9694\u79bb\u3002\u6bcf\u4e2a Chunk \u5185\u4f1a\u6839\u636e\u5e94\u7528\u5199\u8bf7\u6c42\u7684\u5b9e\u9645\u60c5\u51b5\u8fdb\u4e00\u6b65\u62c6\u5206\u6210 Slices\uff1b\u5f53\u65b0\u7684\u5199\u8bf7\u6c42\u4e0e\u5df2\u6709\u7684 Slice \u8fde\u7eed\u6216\u6709\u91cd\u53e0\u65f6\uff0c\u4f1a\u76f4\u63a5\u5728\u8be5 Slice \u4e0a\u8fdb\u884c\u66f4\u65b0\uff0c\u5426\u5219\u5c31\u521b\u5efa\u65b0\u7684 Slice\u3002Slice \u662f\u542f\u52a8\u6570\u636e\u6301\u4e45\u5316\u7684\u903b\u8f91\u5355\u5143\uff0c\u5176\u5728 flush \u65f6\u4f1a\u5148\u5c06\u6570\u636e\u6309\u7167\u9ed8\u8ba4 4 MiB \u5927\u5c0f\u62c6\u5206\u6210\u4e00\u4e2a\u6216\u591a\u4e2a\u8fde\u7eed\u7684 Blocks\uff0c\u5e76\u4e0a\u4f20\u5230\u5bf9\u8c61\u5b58\u50a8\uff0c\u6bcf\u4e2a Block \u5bf9\u5e94\u4e00\u4e2a Object\uff1b\u7136\u540e\u518d\u66f4\u65b0\u4e00\u6b21\u5143\u6570\u636e\uff0c\u5199\u5165\u65b0\u7684 Slice \u4fe1\u606f\u3002\u663e\u7136\uff0c\u5728\u5e94\u7528\u987a\u5e8f\u5199\u60c5\u51b5\u4e0b\uff0c\u53ea\u9700\u8981<strong>\u4e00\u4e2a<\/strong>\u4e0d\u505c\u589e\u957f\u7684 Slice\uff0c\u6700\u540e\u4ec5 flush \u4e00\u6b21\u5373\u53ef\uff1b\u6b64\u65f6\u80fd\u6700\u5927\u5316\u53d1\u6325\u51fa\u5bf9\u8c61\u5b58\u50a8\u7684\u5199\u5165\u6027\u80fd\u3002\u4ee5\u4e00\u6b21\u7b80\u5355\u7684&nbsp;<a href=\"https:\/\/www.juicefs.com\/docs\/zh\/community\/performance_evaluation_guide\">JuiceFS \u57fa\u51c6\u6d4b\u8bd5<\/a>\u4e3a\u4f8b\uff0c\u5176\u7b2c\u4e00\u9636\u6bb5\u662f\u4f7f\u7528 1 MiB IO \u987a\u5e8f\u5199 1 GiB \u6587\u4ef6\uff0c\u6570\u636e\u5728\u5404\u4e2a\u7ec4\u4ef6\u4e2d\u7684\u5f62\u5f0f\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/blog.frost-s.com\/wp-content\/uploads\/2024\/07\/image-21.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"801\" height=\"452\" data-original=\"https:\/\/blog.frost-s.com\/wp-content\/uploads\/2024\/07\/image-21.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-1155\"  sizes=\"(max-width: 801px) 100vw, 801px\" \/><\/div><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>\u6ce8\u610f<\/strong>\uff1a\u56fe\u4e2d\u7684\u538b\u7f29\u548c\u52a0\u5bc6\u9ed8\u8ba4\u672a\u5f00\u542f\u3002\u6b32\u542f\u7528\u76f8\u5173\u529f\u80fd\u9700\u8981\u5728 format \u6587\u4ef6\u7cfb\u7edf\u7684\u65f6\u5019\u6dfb\u52a0\u00a0<code>--compress value<\/code>\u00a0\u6216\u00a0<code>--encrypt-rsa-key value<\/code>\u00a0\u9009\u9879\u3002<\/p>\n<\/blockquote>\n\n\n\n<p>\u8fd9\u91cc\u518d\u653e\u4e00\u5f20\u6d4b\u8bd5\u8fc7\u7a0b\u4e2d\u7528&nbsp;<code>stats<\/code>&nbsp;\u547d\u4ee4\u8bb0\u5f55\u7684\u6307\u6807\u56fe\uff0c\u53ef\u4ee5\u66f4\u76f4\u89c2\u5730\u770b\u5230\u76f8\u5173\u4fe1\u606f\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/blog.frost-s.com\/wp-content\/uploads\/2024\/07\/image-22-1024x521.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"521\" data-original=\"https:\/\/blog.frost-s.com\/wp-content\/uploads\/2024\/07\/image-22-1024x521.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-1156\"  sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<p>\u4e0a\u56fe\u4e2d\u7b2c 1 \u9636\u6bb5\uff1a<\/p>\n\n\n\n<ul>\n<li>\u5bf9\u8c61\u5b58\u50a8\u5199\u5165\u7684\u5e73\u5747 IO \u5927\u5c0f\u4e3a\u00a0<code>object.put \/ object.put_c = 4 MiB<\/code>\uff0c\u7b49\u4e8e Block \u7684\u9ed8\u8ba4\u5927\u5c0f<\/li>\n\n\n\n<li>\u5143\u6570\u636e\u4e8b\u52a1\u6570\u4e0e\u5bf9\u8c61\u5b58\u50a8\u5199\u5165\u6570\u6bd4\u4f8b\u5927\u6982\u4e3a\u00a0<code>meta.txn : object.put_c ~= 1 : 16<\/code>\uff0c\u5bf9\u5e94 Slice flush \u9700\u8981\u7684 1 \u6b21\u5143\u6570\u636e\u4fee\u6539\u548c 16 \u6b21\u5bf9\u8c61\u5b58\u50a8\u4e0a\u4f20\uff0c\u540c\u65f6\u4e5f\u8bf4\u660e\u4e86\u6bcf\u6b21 flush \u5199\u5165\u7684\u6570\u636e\u91cf\u4e3a 4 MiB * 16 = 64 MiB\uff0c\u5373 Chunk \u7684\u9ed8\u8ba4\u5927\u5c0f<\/li>\n\n\n\n<li>FUSE \u5c42\u7684\u5e73\u5747\u8bf7\u6c42\u5927\u5c0f\u4e3a\u7ea6\u00a0<code>fuse.write \/ fuse.ops ~= 128 KiB<\/code>\uff0c\u4e0e\u5176\u9ed8\u8ba4\u7684\u8bf7\u6c42\u5927\u5c0f\u9650\u5236\u4e00\u81f4<\/li>\n<\/ul>\n\n\n\n<p>\u76f8\u8f83\u4e8e\u987a\u5e8f\u5199\u6765\u8bf4\uff0c\u5927\u6587\u4ef6\u5185\u968f\u673a\u5199\u7684\u60c5\u51b5\u8981\u590d\u6742\u8bb8\u591a\uff1b\u6bcf\u4e2a Chunk \u5185\u53ef\u80fd\u5b58\u5728<strong>\u591a\u4e2a\u4e0d\u8fde\u7eed<\/strong>\u7684 Slice\uff0c\u4f7f\u5f97\u4e00\u65b9\u9762\u6570\u636e\u5bf9\u8c61\u96be\u4ee5\u8fbe\u5230 4 MiB \u5927\u5c0f\uff0c\u53e6\u4e00\u65b9\u9762\u5143\u6570\u636e\u9700\u8981\u591a\u6b21\u66f4\u65b0\u3002\u540c\u65f6\uff0c\u5f53\u4e00\u4e2a Chunk \u5185\u5df2\u5199\u5165\u7684 Slices \u8fc7\u591a\u65f6\uff0c\u4f1a\u89e6\u53d1 Compaction \u6765\u5c1d\u8bd5\u5408\u5e76\u4e0e\u6e05\u7406\u8fd9\u4e9b Slices\uff0c\u8fd9\u53c8\u4f1a\u8fdb\u4e00\u6b65\u589e\u5927\u7cfb\u7edf\u7684\u8d1f\u62c5\u3002\u56e0\u6b64\uff0cJuiceFS \u5728\u6b64\u7c7b\u573a\u666f\u4e0b\u4f1a\u6bd4\u987a\u5e8f\u5199\u6709\u8f83\u660e\u663e\u7684\u6027\u80fd\u4e0b\u964d\u3002<\/p>\n\n\n\n<p>\u5c0f\u6587\u4ef6\u7684\u5199\u5165\u901a\u5e38\u662f\u5728\u6587\u4ef6\u5173\u95ed\u65f6\u88ab\u4e0a\u4f20\u5230\u5bf9\u8c61\u5b58\u50a8\uff0c\u5bf9\u5e94 IO \u5927\u5c0f\u4e00\u822c\u5c31\u662f\u6587\u4ef6\u5927\u5c0f\u3002\u4ece\u4e0a\u9762\u6307\u6807\u56fe\u7684\u7b2c 3 \u9636\u6bb5\uff08\u521b\u5efa 128 KiB \u5c0f\u6587\u4ef6\uff09\u4e2d\u4e5f\u53ef\u4ee5\u770b\u5230\uff1a<\/p>\n\n\n\n<ul>\n<li>\u5bf9\u8c61\u5b58\u50a8 PUT \u7684\u5927\u5c0f\u5c31\u662f 128 KiB<\/li>\n\n\n\n<li>\u5143\u6570\u636e\u4e8b\u52a1\u6570\u5927\u81f4\u662f PUT \u8ba1\u6570\u7684\u4e24\u500d\uff0c\u5bf9\u5e94\u6bcf\u4e2a\u6587\u4ef6\u7684\u4e00\u6b21 Create \u548c\u4e00\u6b21 Write<\/li>\n<\/ul>\n\n\n\n<p>\u503c\u5f97\u4e00\u63d0\u7684\u662f\uff0c\u5bf9\u4e8e\u8fd9\u79cd\u4e0d\u8db3\u4e00\u4e2a Block \u7684\u5bf9\u8c61\uff0cJuiceFS \u5728\u4e0a\u4f20\u7684\u540c\u65f6\u8fd8\u4f1a\u5c1d\u8bd5\u5199\u5165\u5230\u672c\u5730 Cache\uff08\u7531&nbsp;<code>--cache-dir<\/code>&nbsp;\u6307\u5b9a\uff0c\u53ef\u4ee5\u662f\u5185\u5b58\u6216\u786c\u76d8\uff09\uff0c\u4ee5\u671f\u80fd\u63d0\u5347\u540e\u7eed\u53ef\u80fd\u7684\u8bfb\u8bf7\u6c42\u901f\u5ea6\u3002\u4ece\u6307\u6807\u56fe\u4e2d\u4e5f\u53ef\u4ee5\u770b\u5230\uff0c\u521b\u5efa\u5c0f\u6587\u4ef6\u65f6 blockcache \u4e0b\u6709\u540c\u7b49\u7684\u5199\u5165\u5e26\u5bbd\uff0c\u800c\u5728\u8bfb\u53d6\u65f6\uff08\u7b2c 4 \u9636\u6bb5\uff09\u5927\u90e8\u5206\u5747\u5728 Cache \u547d\u4e2d\uff0c\u8fd9\u4f7f\u5f97\u5c0f\u6587\u4ef6\u7684\u8bfb\u53d6\u901f\u5ea6\u770b\u8d77\u6765\u7279\u522b\u5feb\u3002<\/p>\n\n\n\n<p>\u7531\u4e8e\u5199\u8bf7\u6c42\u5199\u5165 Client \u5185\u5b58\u7f13\u51b2\u533a\u5373\u53ef\u8fd4\u56de\uff0c\u56e0\u6b64\u901a\u5e38\u6765\u8bf4 JuiceFS \u7684 Write \u65f6\u5ef6\u975e\u5e38\u4f4e\uff08\u51e0\u5341\u5fae\u79d2\u7ea7\u522b\uff09\uff0c\u771f\u6b63\u4e0a\u4f20\u5230\u5bf9\u8c61\u5b58\u50a8\u7684\u52a8\u4f5c\u7531\u5185\u90e8\u81ea\u52a8\u89e6\u53d1\uff08\u5355\u4e2a Slice \u8fc7\u5927\uff0cSlice \u6570\u91cf\u8fc7\u591a\uff0c\u7f13\u51b2\u65f6\u95f4\u8fc7\u957f\u7b49\uff09\u6216\u5e94\u7528\u4e3b\u52a8\u89e6\u53d1\uff08\u5173\u95ed\u6587\u4ef6\u3001\u8c03\u7528&nbsp;<code>fsync<\/code>&nbsp;\u7b49\uff09\u3002\u7f13\u51b2\u533a\u4e2d\u7684\u6570\u636e\u53ea\u6709\u5728\u88ab\u6301\u4e45\u5316\u540e\u624d\u80fd\u91ca\u653e\uff0c\u56e0\u6b64\u5f53\u5199\u5165\u5e76\u53d1\u6bd4\u8f83\u5927\u6216\u8005\u5bf9\u8c61\u5b58\u50a8\u6027\u80fd\u4e0d\u8db3\u65f6\uff0c\u6709\u53ef\u80fd\u5360\u6ee1\u7f13\u51b2\u533a\u800c\u5bfc\u81f4\u5199\u963b\u585e\u3002\u5177\u4f53\u800c\u8a00\uff0c\u7f13\u51b2\u533a\u7684\u5927\u5c0f\u7531\u6302\u8f7d\u53c2\u6570&nbsp;<code>--buffer-size<\/code>&nbsp;\u6307\u5b9a\uff0c\u9ed8\u8ba4\u4e3a 300 MiB\uff1b\u5176\u5b9e\u65f6\u503c\u53ef\u4ee5\u5728\u6307\u6807\u56fe\u7684 usage.buf \u4e00\u5217\u4e2d\u770b\u5230\u3002\u5f53\u4f7f\u7528\u91cf\u8d85\u8fc7\u9608\u503c\u65f6\uff0cJuiceFS Client \u4f1a\u4e3b\u52a8\u4e3a Write \u6dfb\u52a0\u7ea6 10ms \u7b49\u5f85\u65f6\u95f4\u4ee5\u51cf\u7f13\u5199\u5165\u901f\u5ea6\uff1b\u82e5\u5df2\u7528\u91cf\u8d85\u8fc7\u9608\u503c\u4e24\u500d\uff0c\u5219\u4f1a\u5bfc\u81f4\u65b0\u7684\u5199\u5165\u6682\u505c\u76f4\u81f3\u7f13\u51b2\u533a\u5f97\u5230\u91ca\u653e\u3002\u56e0\u6b64\uff0c\u5728\u89c2\u5bdf\u5230 Write \u65f6\u5ef6\u4e0a\u5347\u4ee5\u53ca Buffer \u957f\u65f6\u95f4\u8d85\u8fc7\u9608\u503c\u65f6\uff0c\u901a\u5e38\u9700\u8981\u5c1d\u8bd5\u8bbe\u7f6e\u66f4\u5927\u7684&nbsp;<code>--buffer-size<\/code>\u3002\u53e6\u5916\uff0c\u901a\u8fc7\u589e\u5927&nbsp;<code>--max-uploads<\/code>&nbsp;\u53c2\u6570\uff08\u4e0a\u4f20\u5230\u5bf9\u8c61\u5b58\u50a8\u7684\u6700\u5927\u5e76\u53d1\u6570\uff0c\u9ed8\u8ba4\u4e3a 20\uff09\u4e5f\u6709\u53ef\u80fd\u63d0\u5347\u5199\u5165\u5230\u5bf9\u8c61\u5b58\u50a8\u7684\u5e26\u5bbd\uff0c\u4ece\u800c\u52a0\u5feb\u7f13\u51b2\u533a\u7684\u91ca\u653e\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u56de\u5199writeback\u6a21\u5f0f\">\u56de\u5199\uff08Writeback\uff09\u6a21\u5f0f<a href=\"https:\/\/www.juicefs.com\/docs\/zh\/community\/internals\/io_processing#%E5%9B%9E%E5%86%99writeback%E6%A8%A1%E5%BC%8F\">\u200b<\/a><\/h3>\n\n\n\n<p>\u5f53\u5bf9\u6570\u636e\u7684\u4e00\u81f4\u6027\u548c\u53ef\u9760\u6027\u8981\u6c42\u5e76\u4e0d\u9ad8\u65f6\uff0c\u8fd8\u53ef\u4ee5\u5728\u6302\u8f7d\u65f6\u6dfb\u52a0&nbsp;<code>--writeback<\/code>&nbsp;\u4ee5\u8fdb\u4e00\u6b65\u63d0\u5347\u7cfb\u7edf\u6027\u80fd\u3002\u56de\u5199\u6a21\u5f0f\u5f00\u542f\u540e\uff0cSlice flush \u4ec5\u9700\u5199\u5230\u672c\u5730 Staging \u76ee\u5f55\uff08\u4e0e Cache \u5171\u4eab\uff09\u5373\u53ef\u8fd4\u56de\uff0c\u6570\u636e\u7531\u540e\u53f0\u7ebf\u7a0b\u5f02\u6b65\u4e0a\u4f20\u5230\u5bf9\u8c61\u5b58\u50a8\u3002\u8bf7\u6ce8\u610f\uff0cJuiceFS \u7684\u56de\u5199\u6a21\u5f0f\u4e0e\u901a\u5e38\u7406\u89e3\u7684\u5148\u5199\u5185\u5b58\u4e0d\u540c\uff0c\u662f\u9700\u8981\u5c06\u6570\u636e\u5199\u5165\u672c\u5730 Cache \u76ee\u5f55\u7684\uff08\u5177\u4f53\u7684\u884c\u4e3a\u6839\u636e Cache \u76ee\u5f55\u6240\u5728\u786c\u4ef6\u548c\u672c\u5730\u6587\u4ef6\u7cfb\u7edf\u800c\u5b9a\uff09\u3002\u6362\u4e2a\u89d2\u5ea6\u7406\u89e3\uff0c\u6b64\u65f6\u672c\u5730\u76ee\u5f55\u5c31\u662f\u5bf9\u8c61\u5b58\u50a8\u7684\u7f13\u5b58\u5c42\u3002<\/p>\n\n\n\n<p>\u56de\u5199\u6a21\u5f0f\u5f00\u542f\u540e\uff0c\u8fd8\u4f1a\u9ed8\u8ba4\u8df3\u8fc7\u5bf9\u4e0a\u4f20\u5bf9\u8c61\u7684\u5927\u5c0f\u68c0\u67e5\uff0c\u6fc0\u8fdb\u5730\u5c3d\u91cf\u5c06\u6240\u6709\u6570\u636e\u90fd\u4fdd\u7559\u5728 Cache \u76ee\u5f55\u3002\u8fd9\u5728\u4e00\u4e9b\u4f1a\u4ea7\u751f\u5927\u91cf\u4e2d\u95f4\u6587\u4ef6\u7684\u573a\u666f\uff08\u5982\u8f6f\u4ef6\u7f16\u8bd1\u7b49\uff09\u7279\u522b\u6709\u7528\u3002\u6b64\u5916\uff0cJuiceFS v0.17 \u7248\u672c\u8fd8\u65b0\u589e\u4e86&nbsp;<code>--upload-delay<\/code>&nbsp;\u53c2\u6570\uff0c\u7528\u6765\u5ef6\u7f13\u6570\u636e\u4e0a\u4f20\u5230\u5bf9\u8c61\u5b58\u50a8\u7684\u65f6\u95f4\uff0c\u4ee5\u66f4\u6fc0\u8fdb\u5730\u65b9\u5f0f\u5c06\u5176\u7f13\u5b58\u5728\u672c\u5730\u3002\u5982\u679c\u5728\u7b49\u5f85\u7684\u65f6\u95f4\u5185\u6570\u636e\u88ab\u5e94\u7528\u5220\u9664\uff0c\u5219\u65e0\u9700\u518d\u4e0a\u4f20\u5230\u5bf9\u8c61\u5b58\u50a8\uff0c\u65e2\u63d0\u5347\u4e86\u6027\u80fd\u4e5f\u8282\u7701\u4e86\u6210\u672c\u3002\u540c\u65f6\u76f8\u8f83\u4e8e\u672c\u5730\u786c\u76d8\u800c\u8a00\uff0cJuiceFS \u63d0\u4f9b\u4e86\u540e\u7aef\u4fdd\u969c\uff0c\u5728 Cache \u76ee\u5f55\u5bb9\u91cf\u4e0d\u8db3\u65f6\u4f9d\u7136\u4f1a\u81ea\u52a8\u5c06\u6570\u636e\u4e0a\u4f20\uff0c\u786e\u4fdd\u5728\u5e94\u7528\u4fa7\u4e0d\u4f1a\u56e0\u6b64\u800c\u611f\u77e5\u5230\u9519\u8bef\u3002\u8fd9\u4e2a\u529f\u80fd\u5728\u5e94\u5bf9 Spark shuffle \u7b49\u6709\u4e34\u65f6\u5b58\u50a8\u9700\u6c42\u7684\u573a\u666f\u65f6\u975e\u5e38\u6709\u6548\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u8bfb\u53d6\u6d41\u7a0b\">\u8bfb\u53d6\u6d41\u7a0b<a href=\"https:\/\/www.juicefs.com\/docs\/zh\/community\/internals\/io_processing#%E8%AF%BB%E5%8F%96%E6%B5%81%E7%A8%8B\">\u200b<\/a><\/h2>\n\n\n\n<p>JuiceFS \u5728\u5904\u7406\u8bfb\u8bf7\u6c42\u65f6\uff0c\u4e00\u822c\u4f1a\u6309\u7167 4 MiB Block \u5bf9\u9f50\u7684\u65b9\u5f0f\u53bb\u5bf9\u8c61\u5b58\u50a8\u8bfb\u53d6\uff0c\u5b9e\u73b0\u4e00\u5b9a\u7684\u9884\u8bfb\u529f\u80fd\u3002\u540c\u65f6\uff0c\u8bfb\u53d6\u5230\u7684\u6570\u636e\u4f1a\u5199\u5165\u672c\u5730 Cache \u76ee\u5f55\uff0c\u4ee5\u5907\u540e\u7528\uff08\u5982\u6307\u6807\u56fe\u4e2d\u7684\u7b2c 2 \u9636\u6bb5\uff0cblockcache \u6709\u5f88\u9ad8\u7684\u5199\u5165\u5e26\u5bbd\uff09\u3002\u663e\u7136\uff0c\u5728\u987a\u5e8f\u8bfb\u65f6\uff0c\u8fd9\u4e9b\u63d0\u524d\u83b7\u53d6\u7684\u6570\u636e\u90fd\u4f1a\u88ab\u540e\u7eed\u7684\u8bf7\u6c42\u8bbf\u95ee\u5230\uff0cCache \u547d\u4e2d\u7387\u975e\u5e38\u9ad8\uff0c\u56e0\u6b64\u4e5f\u80fd\u5145\u5206\u53d1\u6325\u51fa\u5bf9\u8c61\u5b58\u50a8\u7684\u8bfb\u53d6\u6027\u80fd\u3002\u6b64\u65f6\u6570\u636e\u5728\u5404\u4e2a\u7ec4\u4ef6\u4e2d\u7684\u6d41\u52a8\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/blog.frost-s.com\/wp-content\/uploads\/2024\/07\/image-23.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"801\" height=\"452\" data-original=\"https:\/\/blog.frost-s.com\/wp-content\/uploads\/2024\/07\/image-23.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-1157\"  sizes=\"(max-width: 801px) 100vw, 801px\" \/><\/div><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>\u6ce8\u610f<\/strong>\uff1a\u8bfb\u53d6\u7684\u5bf9\u8c61\u5230\u8fbe JuiceFS Client 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0<\/code>\uff09\uff0c\u5e76\u5c3d\u53ef\u80fd\u63d0\u9ad8\u5bf9\u8c61\u5b58\u50a8\u7684\u8bfb\u53d6\u6027\u80fd\u3002<\/p>\n\n\n\n<p>\u5c0f\u6587\u4ef6\u7684\u8bfb\u53d6\u5219\u6bd4\u8f83\u7b80\u5355\uff0c\u901a\u5e38\u5c31\u662f\u5728\u4e00\u6b21\u8bf7\u6c42\u91cc\u8bfb\u53d6\u5b8c\u6574\u4e2a\u6587\u4ef6\u3002\u7531\u4e8e\u5c0f\u6587\u4ef6\u5199\u5165\u65f6\u4f1a\u76f4\u63a5\u88ab\u7f13\u5b58\u8d77\u6765\uff0c\u56e0\u6b64\u7c7b\u4f3c JuiceFS bench \u8fd9\u79cd\u5199\u5165\u540e\u4e0d\u4e45\u5c31\u8bfb\u53d6\u7684\u8bbf\u95ee\u6a21\u5f0f\u57fa\u672c\u90fd\u4f1a\u5728\u672c\u5730 Cache \u76ee\u5f55\u547d\u4e2d\uff0c\u6027\u80fd\u975e\u5e38\u53ef\u89c2\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7b80\u4ecb JuiceFS&nbsp;\u662f\u4e00\u6b3e\u9762\u5411\u4e91\u539f\u751f\u8bbe\u8ba1\u7684\u9ad8\u6027\u80fd\u5171\u4eab\u6587\u4ef6\u7cfb\u7edf\uff0c\u5728 Apache 2.0 \u5f00\u6e90\u534f\u8bae\u4e0b 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