{"id":2953,"date":"2020-07-29T16:26:44","date_gmt":"2020-07-29T08:26:44","guid":{"rendered":"https:\/\/nj.transwarp.cn:8180\/?p=2953"},"modified":"2025-12-06T16:37:21","modified_gmt":"2025-12-06T08:37:21","slug":"hbase%e8%a1%a8%e5%af%bc%e5%85%a5%e5%af%bc%e5%87%ba%e4%b9%8bsnapshot%e5%bf%ab%e7%85%a7","status":"publish","type":"post","link":"https:\/\/kbwp.transwarp.cn\/?p=2953","title":{"rendered":"hbase\u8868\u5bfc\u5165\u5bfc\u51fa\u4e4bsnapshot\u5feb\u7167"},"content":{"rendered":"<h3>\u6982\u8981\u8bf4\u660e<\/h3>\n<hr \/>\n<p>\u9762\u5bf9\u4e00\u4e9b\u91cd\u8981\u6570\u636e\uff0c\u5f88\u591a\u573a\u666f\u4e0b\u90fd\u9700\u8981\u5c06\u6570\u636e\u4ed3\u5e93\u8fdb\u884c\u590d\u5236\uff0c\u8fd9\u53ef\u4ee5\u662f\u6574\u4e2a\u6570\u636e\u5e93\u7684\u66f4\u5e7f\u6cdb\u7ea7\u522b\uff0c\u4e5f\u53ef\u4ee5\u662f\u8f83\u5c0f\u7684\u7ea7\u522b\u3002\u672c\u6848\u4f8b\u5c06\u6f14\u793ahbase \u8868\u6570\u636e\u901a\u8fc7\u4f7f\u7528snapshot\u5feb\u7167\u7684\u65b9\u5f0f\u8fc1\u79fb\u7684\u6b65\u9aa4\u3002<\/p>\n<blockquote>\n<p><strong>\u4f7f\u7528\u8be5\u65b9\u6cd5\u65f6\u6e90\u96c6\u7fa4\u548c\u76ee\u6807\u96c6\u7fa4\uff0c\u5982\u679c\u662f\u5f00\u5b89\u5168\u7684\u60c5\u51b5\uff0c\u9700\u8981\u5148\u914d\u4e92\u4fe1\uff0c\u5982\u679c\u662f\u6ca1\u6709\u5f00\u5168\u7684\u60c5\u51b5\uff0c\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u3002<\/strong><br \/>\n<strong>\u8be5\u65b9\u6cd5\u5728hbase\u540c\u7248\u672c\u3001\u4e0d\u540c\u7248\u672c\u4e4b\u95f4\u7ecf\u6d4b\u8bd5\u90fd\u53ef\u4ee5\u8fc1\u79fb\u6570\u636e\uff0c\u4f46\u6700\u597d\u662f\u5728\u540c\u7248\u672c\u4e4b\u95f4\u8fc1\u79fb\u3002<\/strong><br \/>\n<strong>\u5982\u679chbase\u8868\u4e2d\u6709lob\u7c7b\u578b\u7684\u5b57\u6bb5\uff0c\u4e0d\u80fd\u4f7f\u7528\u8be5\u65b9\u6cd5\u8fc1\u79fb\u6570\u636e\u3002<\/strong><\/p>\n<\/blockquote>\n<h3>\u8be6\u7ec6\u8bf4\u660e<\/h3>\n<hr \/>\n<p>\u672c\u6848\u4f8b\u4ecb\u7ecd\u4f7f\u7528 snapshot\u5feb\u7167 \u7684\u65b9\u5f0f\u5bfc\u5165\u5bfc\u51fa hbase \u6570\u636e\uff0c\u8be5\u65b9\u6cd5\u53ea\u9700\u89813\u6b65\uff1a<\/p>\n<p>1.\u5728\u6e90\u96c6\u7fa4\u4e0a\u5bf9\u8981\u8fc1\u79fb\u7684 hbase \u8868\u751f\u6210\u5feb\u7167<br \/>\n2.\u5c06\u751f\u6210\u7684\u5feb\u7167\u6587\u4ef6copy \u5230\u76ee\u6807\u96c6\u7fa4HDFS\u7684 \/hyperbase1 \u8def\u5f84\u4e0b<br \/>\n3.\u786e\u4fdd\u76ee\u6807\u96c6\u7fa4\u5904\u4e8e\u5728\u7ebf\u72b6\u6001\uff0c\u5728\u76ee\u6807\u96c6\u7fa4\u4f7f\u7528\u8fc1\u79fb\u7684\u5feb\u7167\u5efa\u8868<\/p>\n<blockquote>\n<p>\u4ee5\u4e0b\u64cd\u4f5c\u9700\u8981\u51c6\u5907\u597dTDH\u5ba2\u6237\u7aef\uff0c\u53c2\u8003\uff1a<a href=\"https:\/\/nj.transwarp.cn:8180\/?p=1105\" title=\"\u51c6\u5907TDH\u5ba2\u6237\u7aef\u73af\u5883\">\u51c6\u5907TDH\u5ba2\u6237\u7aef\u73af\u5883<\/a><\/p>\n<\/blockquote>\n<h4>1\u3001\u5728\u6e90\u96c6\u7fa4\u4e0a\u5bf9\u8981\u8fc1\u79fb\u7684 hbase \u8868\u751f\u6210\u5feb\u7167<\/h4>\n<p>\u4e0b\u7ebfhbase\u8868<\/p>\n<pre><code class=\"language-sql\">disable 'hbase_snap'<\/code><\/pre>\n<p>\u751f\u6210\u5feb\u7167<\/p>\n<pre><code class=\"language-shell\">snapshot 'hbase_snap','snap_qianyi'<\/code><\/pre>\n<h4>2\u3001\u5c06\u751f\u6210\u7684\u5feb\u7167\u6587\u4ef6copy \u5230\u76ee\u6807\u96c6\u7fa4HDFS\u7684 \/hyperbase1 \u8def\u5f84\u4e0b<\/h4>\n<p>\u5c06\u6e90\u96c6\u7fa4\u4e0a\u751f\u6210\u7684 snap_qianyi \u5feb\u7167copy\u5230\u76ee\u6807\u96c6\u7fa4\u7684hdfs\uff0c\u4e0a\u4f20\u5230\u7684hdfs\u8def\u5f84\u662fhyperbase\u7684<strong><code>\u6839\u76ee\u5f55 \/hyperbase1<\/code><\/strong>\u3002<br \/>\n\u4e0b\u9762\u547d\u4ee4\u53ef\u4ee5\u901a\u8fc7\u53c2\u6570 <strong><code>-mappers<\/code> <\/strong> \u6307\u5b9a mapper\u6570\u91cf\uff0c\u52a0\u5febMapReduce\u4efb\u52a1\u3002<\/p>\n<p><code>hbase org.apache.hadoop.hbase.snapshot.ExportSnapshot -snapshot snap_qianyi -copy-to hdfs:\/\/172.22.33.1:8020\/hyperbase1\/ -mappers 20<\/code><\/p>\n<p><img decoding=\"async\" src=\"\/wp-content\/uploads\/2020\/04\/image-1587633303591.png\" alt=\"file\" \/><\/p>\n<p>\u5728\u76ee\u6807\u96c6\u7fa4hdfs\u4e0a\u68c0\u67e5copy\u7684\u5feb\u7167\u6587\u4ef6<\/p>\n<p><img decoding=\"async\" src=\"\/wp-content\/uploads\/2020\/04\/image-1587692322068.png\" alt=\"file\" \/><\/p>\n<h4>3\u3001\u786e\u4fdd\u76ee\u6807\u96c6\u7fa4\u5904\u4e8e\u5728\u7ebf\u72b6\u6001\uff0c\u5728\u76ee\u6807\u96c6\u7fa4\u4f7f\u7528\u8fc1\u79fb\u7684\u5feb\u7167\u5efa\u8868<\/h4>\n<p>\u5229\u7528snapshot\u5728hbase shell\u4e2d\u5efa\u8868<\/p>\n<pre><code class=\"language-shell\">clone_snapshot 'snap_qianyi','hbase_snap_qy'<\/code><\/pre>\n<p>\u68c0\u67e5\u5efa\u8868\u662f\u5426\u6210\u529f<\/p>\n<p><img decoding=\"async\" src=\"\/wp-content\/uploads\/2020\/04\/image-1587692531250.png\" alt=\"file\" \/><\/p>\n<p><img decoding=\"async\" src=\"\/wp-content\/uploads\/2020\/04\/image-1587694528474.png\" alt=\"file\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u8981\u8bf4\u660e \u9762\u5bf9\u4e00\u4e9b\u91cd\u8981\u6570\u636e\uff0c\u5f88\u591a\u573a\u666f\u4e0b\u90fd\u9700\u8981\u5c06\u6570\u636e\u4ed3\u5e93\u8fdb\u884c\u590d\u5236\uff0c\u8fd9\u53ef\u4ee5\u662f\u6574\u4e2a\u6570\u636e\u5e93\u7684\u66f4\u5e7f\u6cdb\u7ea7\u522b\uff0c\u4e5f\u53ef\u4ee5\u662f\u8f83\u5c0f\u7684 ..<\/p>\n<div class=\"clear-fix\"><\/div>\n<p><a href=\"https:\/\/kbwp.transwarp.cn\/?p=2953\" title=\"read more...\">Read more<\/a><\/p>\n","protected":false},"author":14,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[36],"tags":[],"class_list":["post-2953","post","type-post","status-publish","format-standard","hentry","category-migration"],"acf":[],"_links":{"self":[{"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts\/2953","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\/14"}],"replies":[{"embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2953"}],"version-history":[{"count":4,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts\/2953\/revisions"}],"predecessor-version":[{"id":17763,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts\/2953\/revisions\/17763"}],"wp:attachment":[{"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2953"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2953"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2953"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}