{"id":3749,"date":"2020-11-26T18:41:04","date_gmt":"2020-11-26T10:41:04","guid":{"rendered":"https:\/\/nj.transwarp.cn:8180\/?p=3749"},"modified":"2020-12-15T16:10:58","modified_gmt":"2020-12-15T08:10:58","slug":"%e6%96%ad%e7%94%b5%e5%90%8ehdfs%e6%9c%8d%e5%8a%a1%e5%90%af%e5%8a%a8%e5%a4%b1%e8%b4%a5%e7%9a%84%e4%bf%ae%e5%a4%8d%e5%8a%9e%e6%b3%95","status":"publish","type":"post","link":"https:\/\/kbwp.transwarp.cn\/?p=3749","title":{"rendered":"\u65ad\u7535\u540eHDFS\u670d\u52a1\u542f\u52a8\u5931\u8d25\u7684\u4fee\u590d\u529e\u6cd5"},"content":{"rendered":"

\u6982\u8981\u63cf\u8ff0<\/h3>\n
\n

TDH \u96c6\u7fa4\u65ad\u7535\u540e\uff0c\u6709\u53ef\u80fd\u4f1a\u5bfc\u81f4HDFS\u670d\u52a1\u7684NameNode\u89d2\u8272\u65e0\u6cd5\u542f\u52a8\uff0cNameNode\u65e5\u5fd7\u62a5\u9519\u5982\u4e0b\uff1a<\/p>\n

java.io.IOException: There appears to be a gap in the edit log. We expected txid xxx, but got txid yyy.\n\/\/xxx & yyy\u4e3aID\uff0c\u4f8b\u5982 We expected txid 32382052, but got txid 32453703.<\/code><\/pre>\n
\u8be6\u7ec6\u8bf4\u660e<\/h3>\n
\n
\u4e0a\u8ff0\u9519\u8bef\u65e5\u5fd7\u4e00\u822c\u8868\u793a\u8be5\u8282\u70b9NameNode\u89d2\u8272\u7684\u5143\u6570\u636e\u5df2\u635f\u574f\uff0c\u9700\u8981\u8fdb\u884c\u4fee\u590d\u3002<\/p>\n
\u53ef\u4ee5\u53c2\u8003\u5982\u4e0b\u6b65\u9aa4\u4fee\u590d\u5143\u6570\u636e\uff1a<\/p>\n
    \n
  1. \n
    \u4f7f\u7528root\u7528\u6237\u8bbf\u95ee\u5230HDFS\u7684NameNode\u89d2\u8272\u6240\u5728\u8282\u70b9\uff1b<\/p>\n<\/li>\n
  2. \n
    \u82e5\u96c6\u7fa4\u5f00\u542f\u4e86Guardian\u5b89\u5168\uff0c\u5219\u9700\u8981kinit hdfs\uff1akinit hdfs\/$(hostname) -kt \/etc\/hdfs1\/hdfs.keytab<\/code><\/strong>
    \n\/\/\u672a\u5f00\u542f\u5b89\u5168\u7684\u96c6\u7fa4\uff0c\u5ffd\u7565\u6b64\u6b65\u9aa4\u3002<\/p>\n<\/li>\n
  3. \n
    \uff0c\u6267\u884c\u547d\u4ee4hadoop namenode -recover<\/code><\/strong><\/p>\n
    $ hadoop namenode -recover<\/code><\/pre>\n<\/li>\n
  4. \n
    \u9009\u62e9c<\/code><\/strong>\u7ee7\u7eed\u4fee\u590d;
    \n\"\"<\/p>\n<\/li>\n
  5. \n
    \u5143\u6570\u636e\u4fee\u590d\u6210\u529f;<\/p>\n<\/li>\n
  6. \n
    \u518d\u6b21\u5c1d\u8bd5\u542f\u52a8HDFS\u670d\u52a1\uff0cNameNode\u542f\u52a8\u6b63\u5e38\uff0cHFDS\u670d\u52a1\u542f\u52a8\u6210\u529f\u3002<\/p>\n<\/li>\n<\/ol>\n
    \u5176\u4ed6\u4fe1\u606f<\/h3>\n
    \n
    \u673a\u623f\u65ad\u7535\u5bfc\u81f4\u7684HDFS\u670d\u52a1\u5f02\u5e38\uff0c\u53ef\u80fd\u6709\u5f88\u591a\u79cd\u539f\u56e0\u3002<\/p>\n
    \u672cKB\u4e2d\u4fee\u590d\u65b9\u6cd5\uff0c\u53ea\u9488\u5bf9\u62a5\u9519\u65e5\u5fd7\u5339\u914d\u7684\u5f02\u5e38\u60c5\u51b5\uff0c\u5982\u679c\u64cd\u4f5c\u8fc7\u7a0b\u4e2d\u9047\u5230\u5176\u4ed6\u548c\u6587\u4e2d\u4e0d\u4e00\u81f4\u7684\u95ee\u9898\u6216\u60c5\u51b5\uff0c\u53ef\u4ee5 \u8054\u7cfb\u552e\u540e\u6280\u672f\u652f\u6301\u4e2d\u5fc3<\/a> \u5bfb\u6c42\u5e2e\u52a9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u6982\u8981\u63cf\u8ff0 TDH \u96c6\u7fa4\u65ad\u7535\u540e\uff0c\u6709\u53ef\u80fd\u4f1a\u5bfc\u81f4HDFS\u670d\u52a1\u7684NameNode\u89d2\u8272\u65e0\u6cd5\u542f\u52a8\uff0cNameNode\u65e5\u5fd7\u62a5\u9519 ..<\/p>\n
    <\/div>\n
    Read more<\/a><\/p>\n","protected":false},"author":60,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[44,43],"tags":[152,153,154,155,156],"class_list":["post-3749","post","type-post","status-publish","format-standard","hentry","category-start_failed","category-service_abnormal","tag-152","tag-153","tag-hdfs","tag-155","tag-namenode"],"acf":[],"_links":{"self":[{"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts\/3749","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\/60"}],"replies":[{"embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3749"}],"version-history":[{"count":4,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts\/3749\/revisions"}],"predecessor-version":[{"id":4691,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts\/3749\/revisions\/4691"}],"wp:attachment":[{"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3749"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3749"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3749"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}