{"id":64,"date":"2016-05-22T13:08:01","date_gmt":"2016-05-22T05:08:01","guid":{"rendered":"http:\/\/www.q25.net\/?p=64"},"modified":"2016-05-22T13:09:45","modified_gmt":"2016-05-22T05:09:45","slug":"%e8%af%af%e5%88%a0ibdata1%ef%bc%8c%e9%80%9a%e8%bf%87ibd%e6%89%be%e5%9b%9e%e4%b8%a2%e5%a4%b1%e7%9a%84%e6%95%b0%e6%8d%ae%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.q25.net\/?p=64","title":{"rendered":"\u8bef\u5220ibdata1\uff0c\u901a\u8fc7ibd\u627e\u56de\u4e22\u5931\u7684\u6570\u636e\u3002"},"content":{"rendered":"

\u4e8b\u4ef6\u8d77\u56e0\uff1a\u6628\u665a\u51cc\u6668\u5bf9\u843d\u4f0d\u6570\u636e\u5e93\u4e3b\u4ece\u670d\u52a1\u5668\u8fdb\u884c\u5e38\u89c4\u7ef4\u62a4\u7684\u65f6\u5019\uff0c\u56e0\u4e3a\u9f20\u6807\u4e0d\u597d\u7528\uff0c\u8bef\u5220\u4e86mysql\u4e0b\u7684ibdata1\u3002\u56e0\u4e3a\u843d\u4f0d\u4e3b\u9898\u8868thread\u7528\u7684\u662finnodb\u6570\u636e\u5b58\u50a8\uff0c\u77ac\u95f4\u4e22\u6570\u636e\u4e86\u3002
\n\u9762\u4e34\u4e24\u4e2a\u9009\u62e9\u8fde\uff1a
\n1.\u6062\u590d\u5b9a\u65f6\u5907\u4efd\u7684\u6570\u636e\uff0c\u4f46\u662f\u56e0\u4e3a\u6570\u636e\u4e0d\u662f\u5b9e\u65f6\u7684\uff0c\u4f1a\u4e22\u5931\u90e8\u5206\u5e16\u5b50
\n2.\u4eceibd\u91cc\u9762\u627e\u56de\u6570\u636e\u3002<\/p>\n

\u8003\u8651\u4e86\u4e00\u4e0b\u8fd8\u662f\u6267\u884c\u7b2c\u4e8c\u4e2a\u9009\u9879\uff0c\u65f6\u503c\u534a\u591c\uff0c\u6709\u8db3\u591f\u65f6\u95f4\u6765\u3002
\n\u539f\u7406\u5f88\u7b80\u5355\uff0cINNODB\u7684\u6570\u636e\u5b58\u50a8\u5728ibd\u6587\u4ef6\u91cc\u9762\uff0c\u53ea\u8981\u5efa\u7acb\u7a7a\u767d\u7684\u65b0\u8868\uff0c\u628a\u8fd9\u7a7a\u767d\u7684ibd\u6587\u4ef6\u8ddf\u8868\u7684\u5173\u8054\u53bb\u6389\uff0c\u7136\u540e\u590d\u5236\u6709\u6570\u636e\u7684ibd\u6587\u4ef6\u56de\u6765\uff0c\u5728\u5efa\u7acb\u5173\u8054\u5373\u53ef\u3002
\n\u9a6c\u4e0a\u52a8\u624b\u4e86\uff1a
\n\u5148\u5efa\u7acb\u4e00\u4e2a\u7a7a\u767d\u6570\u636e\u5e93\u6765\u64cd\u4f5c\uff0c\u5bfc\u5165\u8868\u7ed3\u6784\uff0c\u843d\u4f0d\u7684\u4e3b\u9898\u8868\u505a\u4e86\u5b58\u6863\u548cpartition\u7684\uff0c\u5f97\u5206\u4e24\u6b65\u4e86\u3002
\nmysql aaa < pre_forum_thread.sql\nmysql aaa < pre_forum_thread_1.sql<\/code><\/p>\n

\u597d\uff0c\u628aibd\u6587\u4ef6\u7684\u5173\u8054\u53bb\u6389\u5427
\nmysql> use aaa
\nDatabase changed
\nmysql> alter table pre_forum_thread discard tablespace;
\nERROR 1031 (HY000): Table storage engine for 'pre_forum_thread' doesn't have this option
\nmysql><\/code><\/p>\n

\u5728\u7a7a\u767d\u7684\u8868\u4e0a\u90fd\u80fd\u51fa\u9519\uff0cGoogle\u4e00\u4e0b\uff0c\u53d1\u73b0\u6ca1\u6709\u76f8\u5173\u89e3\u6790\u3002\u8fd9\u4e0b\u50bb\u773c\u4e86\u3002\u8003\u8651\u4e86\u5f88\u4e45\uff0c\u6211\u4f30\u8ba1\u662f\u56e0\u4e3a\u5206\u533a\u7684\u95ee\u9898\uff0c\u5206\u8868\u4e4b\u540e\u4f1a\u6709\u591a\u4e2aibd\u6587\u4ef6\uff0c\u8fd9\u4e2adiscard tablespace\u7684\u64cd\u4f5c\u53ef\u80fd\u65e0\u6cd5\u8bc6\u522b\u5168\u90e8ibd\u6587\u4ef6\u3002
\n\/var\/lib\/mysql\/im286\/pre_forum_thread#P#p3.ibd
\n\/var\/lib\/mysql\/im286\/pre_forum_thread#P#p4.ibd
\n\/var\/lib\/mysql\/im286\/pre_forum_thread#P#p5.ibd
\n\/var\/lib\/mysql\/im286\/pre_forum_thread#P#p6.ibd
\n\/var\/lib\/mysql\/im286\/pre_forum_thread#P#p7.ibd
\n\/var\/lib\/mysql\/im286\/pre_forum_thread#P#p8.ibd<\/p>\n

\u90a3\u5c31\u8bd5\u8bd5\u6ca1\u5206\u533a\u7684\u539f\u59cbthread\u8868\u770b\u770b\u3002\u679c\u7136\u5728\u6ca1\u5206\u533a\u7684\u65f6\u5019\uff0c\u6210\u529fdiscard tablespace\u4e86
\nmysql> use aaa
\nDatabase changed
\nmysql> alter table pre_forum_thread discard tablespace;
\nQuery OK, 0 rows affected (0.10 sec)<\/p>\n

\u65e2\u7136\u4e0d\u5206\u533a\u7684\u80fd\u7528\uff0c\u90a3\u5c31\u7b80\u5355\u4e86\u3002\u628a\u5206\u533aibd\u6587\u4ef6\u5f53\u505a\u6ca1\u5206\u533a\u7684\u6765import\u5373\u53ef\uff0c\u53cd\u6b63\u8868\u7ed3\u6784\u662f\u4e00\u81f4\u7684\uff0cimport\u4e4b\u540e\u5bfc\u51fa\u8868\u91cc\u9762\u7684\u6570\u636e\u3002
\nmysql> use aaa
\nDatabase changed
\nmysql> alter table pre_forum_thread discard tablespace;
\nQuery OK, 0 rows affected (0.10 sec)<\/p>\n

mysql> quit<\/code><\/p>\n

cp -p \/var\/lib\/mysql\/im286\/bak\/pre_forum_thread#P#p3.ibd \/var\/lib\/mysql\/im286\/aaa\/pre_forum_thread.ibd<\/p>\n

mysql> use aaa
\nDatabase changed
\nmysql> alter table pre_forum_thread import tablespace;
\nQuery OK, 0 rows affected, 1 warning (11.57 sec)<\/p>\n

<\/code>
\n\u6ca1\u95ee\u9898\u4e86\uff0c\u5bfc\u51fa\u6570\u636e\uff1a
\nmysqldump -d aaa pre_forum_thread >> thread.sql<\/p>\n

\u6240\u6709\u5206\u533a\u7684ibd\u6587\u4ef6\u90fd\u91cd\u590d\u4e00\u6b21\u4e0a\u9762\u7684\u64cd\u4f5c\uff0c\u5168\u90e8\u4e3b\u9898\u6570\u636e\u90fd\u5bfc\u51fa\u6765\u4e86\uff0c\u56de\u5230\u8bba\u575b\u7684\u6570\u636e\u5e93\uff0c\u521b\u5efa\u7a7a\u767d\u7684thread\u8868\uff0c\u7136\u540e\u5bfc\u5165\u6570\u636e\u5373\u53ef\u3002\u5927\u529f\u544a\u6210\uff0c\u7761\u89c9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u4e8b\u4ef6\u8d77\u56e0\uff1a\u6628\u665a\u51cc\u6668\u5bf9\u843d\u4f0d\u6570\u636e\u5e93\u4e3b\u4ece\u670d\u52a1\u5668…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/www.q25.net\/index.php?rest_route=\/wp\/v2\/posts\/64"}],"collection":[{"href":"https:\/\/www.q25.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.q25.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.q25.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.q25.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=64"}],"version-history":[{"count":3,"href":"https:\/\/www.q25.net\/index.php?rest_route=\/wp\/v2\/posts\/64\/revisions"}],"predecessor-version":[{"id":67,"href":"https:\/\/www.q25.net\/index.php?rest_route=\/wp\/v2\/posts\/64\/revisions\/67"}],"wp:attachment":[{"href":"https:\/\/www.q25.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=64"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.q25.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=64"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.q25.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=64"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}