{"id":10836,"date":"2023-10-19T11:01:02","date_gmt":"2023-10-19T03:01:02","guid":{"rendered":"https:\/\/nj.transwarp.cn:8180\/?p=10836"},"modified":"2023-10-19T11:00:56","modified_gmt":"2023-10-19T03:00:56","slug":"yarn1-user-username-staging-%e7%9b%ae%e5%bd%95%e4%b8%8b%e7%9a%84missing-replicas%e5%8e%9f%e7%90%86%e8%a7%a3%e6%9e%90","status":"publish","type":"post","link":"https:\/\/kbwp.transwarp.cn\/?p=10836","title":{"rendered":"\/yarn1\/user\/username\/.staging\/\u76ee\u5f55\u4e0b\u7684missing replicas\u544a\u8b66\u89e3\u6790"},"content":{"rendered":"<h3>\u6982\u8981\u63cf\u8ff0<\/h3>\n<hr \/>\n<p>TDH\u7684\u65e5\u5e38\u5de1\u68c0\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u4f1a\u9047\u5230<code>hdfs fsck<\/code>\u7684\u5de1\u68c0\u7ed3\u679c, <code>missing replicas<\/code> \u4e2d <code>\/yarn1\/user\/Username\/.staging\/<\/code>\u975e\u5e38\u7684\u591a\u3002\u6bd4\u5982\uff1a<br \/>\n<img decoding=\"async\" src=\"\/wp-content\/uploads\/2023\/09\/image-1694413583175.png\" alt=\"file\" \/><\/p>\n<p>\u672c\u6587\u4e3b\u8981\u4ecb\u7ecd\u8be5\u76ee\u5f55\u7684\u751f\u6210\u539f\u7406\u548c\u89e3\u51b3\u529e\u6cd5\u3002<\/p>\n<h3>\u8be6\u7ec6\u8bf4\u660e<\/h3>\n<hr \/>\n<h4>\u73b0\u8c61\u8bf4\u660e<\/h4>\n<p>yarn\u5728\u6267\u884c\u4efb\u52a1\u4f5c\u4e1a\u7684\u65f6\u5019\uff0c\u9700\u8981\u5c06\u6267\u884c\u4f5c\u4e1a\u6240\u9700\u8981\u7684\u8d44\u6e90,\u5305\u62ec\u4f5c\u4e1a\u7684jar\u5305\uff0c\u914d\u7f6e\u6587\u4ef6\uff0c\u8ba1\u7b97\u597d\u7684\u8f93\u5165\u5207\u7247\u62f7\u8d1d\u5230\u5171\u4eab\u6587\u4ef6\u7cfb\u7edf\u7684\u4ee5\u4f5c\u4e1aID\u547d\u540d\u7684\u76ee\u5f55\u4e2d(e.g. \/yarn1\/user\/hdfs\/.staging\/job_1656378031471_0069\/ )\u3002\u8ba9\u4e0d\u540c\u7684datanode\u673a\u5668\u62c9\u53d6\u8fd9\u4e9bjar\u5305\u8fd0\u884c\u7684\u65f6\u5019\uff0c\u53ef\u4ee5\u66f4\u5feb\u3002<\/p>\n<p>\u8be5\u53c2\u6570\u9ed8\u8ba4\u503c\u662f10\uff0c\u4e00\u822c\u6211\u4eec\u5efa\u8bae\u8bbe\u7f6e\u4e3a\u96c6\u7fa4datanode\u673a\u5668\u4e2a\u6570\u7684\u5f00\u65b9\uff08\u6bd4\u598225\u53f0datanode\uff0c\u8fd9\u4e2a\u53c2\u6570\u5c31\u6539\u62105\uff09\u3002<br \/>\n\u5982\u679c\u4f60\u7684datanode\u7684\u4e2a\u6570\u5c0f\u4e8e10\uff0c\u90a3\u4f60\u5728\u8dd1\u4efb\u52a1\u671f\u95f4\u6267\u884c<code>hdfs fsck \/<\/code> \u5c31\u4f1a\u6709\u4e22\u5931\u526f\u672c\uff08<code>Missing replicas<\/code>\uff09\uff0c\u540c\u6837\u7684\uff0c\u5982\u679cyarn\u4efb\u52a1\u6267\u884c\u5931\u8d25\uff0c\u8fd9\u90e8\u5206\u6587\u4ef6\u6b8b\u7559\u7684\u8bdd\uff0c\u4e5f\u4e00\u6837\u4f1a\u5b58\u5728\u6b64\u7c7b\u95ee\u9898\u3002<\/p>\n<h4>\u89e3\u51b3\u65b9\u6848<\/h4>\n<h5>1. \u4fee\u6539<code>mapreduce.client.submit.file.replication<\/code>\u53c2\u6570<\/h5>\n<p>\u6b64\u53c2\u6570\u9ed8\u8ba4\u503c\u4e3a10\uff0c\u5efa\u8bae\u8c03\u6574\u4e3a\u96c6\u7fa4datanode\u673a\u5668\u4e2a\u6570\u7684\u5f00\u65b9\uff08\u6bd4\u598225\u53f0datanode\uff0c\u8fd9\u4e2a\u53c2\u6570\u5c31\u6539\u62105\uff09<\/p>\n<h5>2. \u5bf9\u8fd9\u90e8\u5206\/yarn1\/user\/\u5f00\u5934\u7684\u6587\u4ef6\u6279\u91cf\u4fee\u6539\u6587\u4ef6\u526f\u672c\u6570<\/h5>\n<p>\u6bd4\u5982\u8fd9\u91cc\u96c6\u7fa4\u7684<code>dfs.replication<\/code> \u9ed8\u8ba4\u4e3a3<\/p>\n<pre><code class=\"language-shell\">## \u4fee\u590dUnder-replicated blocks\uff1a\n## \u67e5\u8be2\u5230Under-replicated blocks\u7684\u8def\u5f84\nhdfs fsck \/ | grep 'Under replicated' |egrep '^\/yarn1\/user\/' | awk -F':' '{print $1}' >> \/tmp\/under_replicated_files\n##\u518d\u6839\u636e\u8def\u5f84\u8fdb\u884c\u4fee\u590d\nfor hdfsfile in <code>cat \/tmp\/under_replicated_files<\/code>; do echo \"Fixing $hdfsfile :\" ; hadoop fs -setrep 3<\/code><\/pre>\n<p>\u5386\u53f2\u6b8b\u7559\u7684\u6587\u4ef6\u53ef\u4ee5\u901a\u8fc7\u65b9\u6848\u4e8c<code>setrep<\/code>\u6765\u89e3\u51b3\uff0c\u4f46\u662f\u8be5\u65b9\u6848\u6cbb\u6807\u4e0d\u6cbb\u672c\uff0c\u5efa\u8bae\u53c2\u8003\u65b9\u6848\u4e00\u9632\u6b62\u540e\u9762\u518d\u9047\u5230\u7c7b\u4f3c\u7684\u95ee\u9898\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u8981\u63cf\u8ff0 TDH\u7684\u65e5\u5e38\u5de1\u68c0\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u4f1a\u9047\u5230hdfs fsck\u7684\u5de1\u68c0\u7ed3\u679c, missing replicas  ..<\/p>\n<div class=\"clear-fix\"><\/div>\n<p><a href=\"https:\/\/kbwp.transwarp.cn\/?p=10836\" title=\"read more...\">Read more<\/a><\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[121],"tags":[],"class_list":["post-10836","post","type-post","status-publish","format-standard","hentry","category-121"],"acf":[],"_links":{"self":[{"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts\/10836","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/users\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10836"}],"version-history":[{"count":3,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts\/10836\/revisions"}],"predecessor-version":[{"id":10844,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts\/10836\/revisions\/10844"}],"wp:attachment":[{"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10836"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10836"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10836"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}