{"id":5888,"date":"2021-05-20T17:39:36","date_gmt":"2021-05-20T09:39:36","guid":{"rendered":"https:\/\/nj.transwarp.cn:8180\/?p=5888"},"modified":"2021-05-20T17:39:35","modified_gmt":"2021-05-20T09:39:35","slug":"%e6%9c%8d%e5%8a%a1%e9%a1%b5%e9%9d%a2%e4%b8%8a%e5%81%a5%e5%ba%b7%e7%8a%b6%e6%80%81%e8%b7%9f%e5%90%8e%e5%8f%b0pod%e7%8a%b6%e6%80%81%e4%b8%8d%e4%b8%80%e8%87%b4","status":"publish","type":"post","link":"https:\/\/kbwp.transwarp.cn\/?p=5888","title":{"rendered":"\u670d\u52a1\u9875\u9762\u4e0a\u5065\u5eb7\u72b6\u6001\u8ddf\u540e\u53f0pod\u72b6\u6001\u4e0d\u4e00\u81f4"},"content":{"rendered":"

\u6982\u8981\u8bf4\u660e<\/h3>\n

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\u8be6\u7ec6\u8bf4\u660e<\/h3>\n
\n

Manager\u7684health \u5305\u62ec\u4e24\u90e8\u5206\uff1a DAEMON_CHECK\u548cVITAL_SIGN_CHECK\u3002\u524d\u8005\u68c0\u67e5pod\u72b6\u6001\uff0c\u540e\u8005\u68c0\u67e5\u670d\u52a1\u72b6\u6001\uff0c\u51fa\u73b0\u4e0a\u8ff0\u60c5\u51b5\u65f6\u5019\u57fa\u672c\u53ef\u4ee5\u786e\u5b9a\u662f\u540e\u8005\u68c0\u67e5\u95ee\u9898\u3002<\/p>\n

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1\u3001\u6392\u67e5\u6b65\u9aa4<\/h4>\n

1\uff0e\u91cd\u542fmanager\u8ddfagent
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2\uff0eHA\u6570\u636e\u4e0d\u540c\u6b65
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\n\u89e3\u51b3\u65b9\u6848\uff1a\u505c\u6389\u6240\u6709\u7684manager\uff0c\u7136\u540e\u53ea\u542f\u52a8\u6700\u521d\u59cb\u7684\u90a3\u4e2amanager\uff0c\u89c2\u5bdf\u670d\u52a1\u72b6\u6001\u662f\u5426\u6b63\u5e38\u3002<\/p>\n

3\uff0e\u6d4f\u89c8\u5668\u672c\u8eab\u7684\u95ee\u9898
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4\uff0e\u5c1d\u8bd5\u540e\u53f0\u76f4\u63a5\u7528health check\u7684\u547d\u4ee4\u9a8c\u8bc1\u72b6\u6001<\/p>\n

\u6b64\u65f6\u9700\u8981\u4e86\u89e3\u5404\u4e2a\u7ec4\u4ef6\u7684health check\u539f\u7406\u624d\u884c\uff0c\u6bd4\u5982hdfs datanode\u662f\uff1a<\/p>\n

curl --connect-timeout 15 --max-time 15 \"http:\/\/hostname<\/code>:${service['namenode.http-port']}\/jmx?qry=Hadoop:service=NameNode,name=NameNodeInfo&&user.name=xxx\" | python -c \"\n\n          STATE_MAP = {\n\n            'In Service': 'SUCCESSFUL',\n\n            'Decommission In Progress': 'DECOMMISSIONING',\n\n            'Decommissioned': 'DECOMMISSIONED',\n\n          }\n\n          import sys; import json; jmx=json.loads(sys.stdin.read());\n\n          liveNodeJson = jmx[u'beans'][0][u'LiveNodes']\n\n          liveNodeMap = json.loads(liveNodeJson)\n\n          for node in liveNodeMap:\n\n            nodeInfo = liveNodeMap[node]\n\n            host = node.split(':')[0]\n\n            print host, STATE_MAP.get(nodeInfo[u'adminState'], 'FAILED')\n\n          \"<\/code><\/pre>\n
hostname : NN\u7684\u7684hostname<\/p>\n
namenode.http-port \uff1a \u5c31\u662f\u8fd9\u4e2a\u53c2\u6570\uff0c\u4e00\u822c\u662f 50070<\/p>\n
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5\uff0e\u6761\u4ef6\u5141\u8bb8\u7684\u8bdd\u53ef\u4ee5\u5c1d\u8bd5\u91cd\u542f\u95ee\u9898\u670d\u52a1\u3002<\/p>\n
6\uff0e\u5ba2\u6237\u7684\u73af\u5883\u81ea\u8eab\u95ee\u9898
\n\u5ba2\u6237\u7684\u7f51\u7edc\u73af\u5883\u505a\u8fc7\u4e00\u4e9b\u7279\u6b8a\u7684\u9650\u5236\u7b49\uff0c\u5f71\u54cd\u4e86health check\u7684\u6b63\u5e38\u7ed3\u679c<\/p>\n","protected":false},"excerpt":{"rendered":"
\u6982\u8981\u8bf4\u660e \u5728TDH5.0\u4ee5\u4e0a\u7684\u96c6\u7fa4\u4e2d\uff0c\u5982\u679c\u9875\u9762\u4e0a\u670d\u52a1\u89d2\u8272\u62a5\u9ec4\u63d0\u793arunning with problem\uff0c\u4f46\u662f ..<\/p>\n
<\/div>\n
Read more<\/a><\/p>\n","protected":false},"author":70,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-5888","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"acf":[],"_links":{"self":[{"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts\/5888","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\/70"}],"replies":[{"embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5888"}],"version-history":[{"count":0,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts\/5888\/revisions"}],"wp:attachment":[{"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5888"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5888"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5888"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}