{"id":4747,"date":"2016-05-31T14:42:42","date_gmt":"2016-05-31T06:42:42","guid":{"rendered":"https:\/\/www.hmouse.tk\/?p=4747"},"modified":"2016-05-31T14:53:12","modified_gmt":"2016-05-31T06:53:12","slug":"hdfs-%e5%b8%b8%e8%a7%81%e5%91%bd%e4%bb%a4","status":"publish","type":"post","link":"https:\/\/www.hmouse.cn\/?p=4747","title":{"rendered":"hdfs \u5e38\u89c1\u547d\u4ee4"},"content":{"rendered":"<p>\u4e00\uff1ahdfs\u4fee\u6539replication \u6570\u76ee <\/p>\n<p>\u6267\u884c hadoop fsck \/&nbsp; \u67e5\u770b\u6574\u4e2a\u76ee\u5f55\u7684\u5907\u4efd\u6570\u5206\u5e03,\u8f93\u51fa\u7ed3\u679c\u5982\u4e0b\uff1a <\/p>\n<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Default replication factor&nbsp; 2 <\/p>\n<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Average block replication 2.38 <\/p>\n<p>\u6539hdfs\u6587\u4ef6\u5907\u4efd\u7cfb\u6570\uff1ahadoop dfs -setrep [-R] &lt;path&gt; \u5982\u679c\u6709-R\u5c06\u4fee\u6539\u5b50\u76ee\u5f55\u6587\u4ef6\u7684\u6027\u8d28\u3002 <\/p>\n<p>hadoop dfs -setrep -w 1 -R \/user\/hadoop\/dir1 \u5c31\u662f\u628a\u76ee\u5f55\u4e0b\u6240\u6709\u6587\u4ef6\u5907\u4efd\u7cfb\u6570\u8bbe\u7f6e\u4e3a1. <\/p>\n<p>\u8fd9\u4e2a\u9700\u8981\u4e00\u4e9b\u65f6\u95f4\uff0c\u611f\u89c9\u4f1a\u626b\u63cf\u6240\u6709\u6307\u5b9a\u76ee\u5f55\u4e0b\u7684\u6587\u4ef6\u3002 <\/p>\n<p>\u4e8c\uff1ahdfs\u5220\u9664\u76ee\u5f55 <\/p>\n<p>\u53c2\u8003url\uff1a<a title=\"https:\/\/hadoop.apache.org\/docs\/r1.0.4\/cn\/hdfs_shell.html\" href=\"https:\/\/hadoop.apache.org\/docs\/r1.0.4\/cn\/hdfs_shell.html\">https:\/\/hadoop.apache.org\/docs\/r1.0.4\/cn\/hdfs_shell.html<\/a> <\/p>\n<p>.\/hdfs dfs -rmr \/logdata<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\uff1ahdfs\u4fee\u6539replication \u6570\u76ee <\/p>\n<p>\u6267\u884c hadoop fsck \/&nbsp; \u67e5\u770b\u6574\u4e2a\u76ee\u5f55\u7684\u5907\u4efd\u6570\u5206\u5e03,\u8f93\u51fa\u7ed3\u679c\u5982\u4e0b\uff1a <\/p>\n<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Default replication factor&nbsp; 2 <\/p>\n<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Average block replication 2.38 <\/p>\n<p>\u6539hdfs\u6587\u4ef6\u5907\u4efd\u7cfb\u6570\uff1ahadoop dfs -setrep [-R] &lt;path&gt; \u5982\u679c\u6709-R\u5c06\u4fee\u6539\u5b50\u76ee\u5f55\u6587\u4ef6\u7684\u6027\u8d28\u3002 <\/p>\n<p>hadoop dfs -setrep -w 1 -R \/user\/hadoop\/dir1 \u5c31\u662f\u628a\u76ee\u5f55\u4e0b\u6240\u6709\u6587\u4ef6\u5907\u4efd\u7cfb\u6570\u8bbe\u7f6e\u4e3a1. <\/p>\n<p>\u8fd9\u4e2a\u9700\u8981\u4e00\u4e9b\u65f6\u95f4\uff0c\u611f\u89c9\u4f1a\u626b\u63cf\u6240\u6709\u6307\u5b9a\u76ee\u5f55\u4e0b\u7684\u6587\u4ef6\u3002 <\/p>\n<p>\u4e8c\uff1ahdfs\u5220\u9664\u76ee\u5f55 <\/p>\n<p>\u53c2\u8003url\uff1a<a title=\"https:\/\/hadoop.apache.org\/docs\/r1.0.4\/cn\/hdfs_shell.html\" href=\"https:\/\/hadoop.apache.org\/docs\/r1.0.4\/cn\/hdfs_shell.html\">https:\/\/hadoop.apache.org\/docs\/r1.0.4\/cn\/hdfs_shell.html<\/a> <\/p>\n<p>.\/hdfs dfs -rmr \/logdata<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[193,192],"class_list":["post-4747","post","type-post","status-publish","format-standard","hentry","category-5","tag-hdfs","tag-replication","category-5-id","post-seq-1","post-parity-odd","meta-position-corners","fix"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.hmouse.cn\/index.php?rest_route=\/wp\/v2\/posts\/4747","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hmouse.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hmouse.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hmouse.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hmouse.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4747"}],"version-history":[{"count":2,"href":"https:\/\/www.hmouse.cn\/index.php?rest_route=\/wp\/v2\/posts\/4747\/revisions"}],"predecessor-version":[{"id":4749,"href":"https:\/\/www.hmouse.cn\/index.php?rest_route=\/wp\/v2\/posts\/4747\/revisions\/4749"}],"wp:attachment":[{"href":"https:\/\/www.hmouse.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4747"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hmouse.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4747"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hmouse.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4747"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}