{"id":14688,"date":"2024-11-11T14:08:27","date_gmt":"2024-11-11T06:08:27","guid":{"rendered":"https:\/\/nj.transwarp.cn:8180\/?p=14688"},"modified":"2024-11-11T15:10:43","modified_gmt":"2024-11-11T07:10:43","slug":"hdfs%e8%8a%82%e7%82%b9%e9%97%b4balance%e6%93%8d%e4%bd%9c","status":"publish","type":"post","link":"https:\/\/kbwp.transwarp.cn\/?p=14688","title":{"rendered":"hdfs\u8282\u70b9\u95f4balance\u64cd\u4f5c"},"content":{"rendered":"

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

\u4f7f\u7528\u4ecb\u7ecd<\/h3>\n
\n

1. \u8fdb\u5165namenode pod<\/h4>\n
[root@kv1~]# kubectl get po -owide | grep namenode\nhadoop-hdfs-namenode-hdfs1-558cb56c4f-b7zvt                 2\/2     Running            12         8d      172.22.23.3   kv3               \nhadoop-hdfs-namenode-hdfs1-558cb56c4f-wt299                 2\/2     Running            12         11d     172.22.23.2   kv2               \n[root@kv1~]# kubectl exec -it hadoop-hdfs-namenode-hdfs1-558cb56c4f-wt299 bash<\/code><\/pre>\n
2. \u6267\u884ckinit\u8ba4\u8bc1<\/h4>\n
[root@kv2 ~]# klist -ket \/etc\/hdfs1\/conf\/hdfs.keytab |grep hdfs\nKeytab name: FILE:\/etc\/hdfs1\/conf\/hdfs.keytab\n   0 08\/28\/2024 21:21:55 hdfs\/kv2@KTDH (aes128-cts-hmac-sha1-96) \n   0 08\/28\/2024 21:21:55 hdfs\/kv2@KTDH (aes256-cts-hmac-sha1-96) \n   0 08\/28\/2024 21:21:55 hdfs\/kv2@KTDH (DEPRECATED:des3-hmac-sha1) \n   0 08\/28\/2024 21:21:55 hdfs\/kv2@KTDH (DEPRECATED:des-cbc-md5) \n   0 08\/28\/2024 21:21:55 hdfs\/kv2@KTDH (DEPRECATED:arcfour-hmac) \n[root@kv2 ~]# kinit -kt \/etc\/hdfs1\/conf\/hdfs.keytab hdfs\/kv2@KTDH<\/code><\/pre>\n
3. \u8bbe\u7f6e\u5e26\u5bbd<\/h4>\n
[root@kv2 ~]# hdfs dfsadmin -setBalancerBandwidth 50000000\n2024-11-11 13:50:25,441 INFO util.KerberosUtil: Using principal pattern: HTTP\/_HOST<\/code><\/pre>\n
4. \u8fdb\u884cbalance\u64cd\u4f5c<\/h4>\n
\u6709\u4e24\u79cd\u65b9\u5f0f\uff0c<\/p>\n
\u7b2c\u4e00\u79cd\u662f\u6574\u4f53\u8fdb\u884cbalance<\/strong><\/p>\n
#\u65b9\u6cd5\u4e00\uff1a\u6574\u4f53\u8fdb\u884cbalance\nnohup hdfs balancer -threshold 2 > balancer_20230927.log 2>&1 &<\/code><\/pre>\n
\u53e6\u5916\u4e00\u79cd\u662f\u53ea\u9488\u5bf9\u9ad8\u6c34\u4f4d\u548c\u4f4e\u6c34\u4f4d \u8fdb\u884cbalance\uff0c\u4e0b\u9762\u4f7f\u7528\u8fd9\u79cd\u65b9\u5f0f\u64cd\u4f5c<\/strong>\uff1a<\/p>\n
\n
\u76f8\u8f83\u4e8e\u6574\u4f53balance\uff0c\u8fd9\u79cd\u59ff\u52bf\u9488\u5bf9\u6027\u5f3a\uff0c\u80fd\u591f\u5feb\u901f\u89e3\u51b3\u7279\u5b9a\u8282\u70b9\u7684\u6570\u636e\u4e0d\u5747\u8861\u95ee\u9898\uff1b\u5bf9\u96c6\u7fa4\u6574\u4f53\u6027\u80fd\u5f71\u54cd\u8f83\u5c0f\uff0c\u7531\u4e8e\u53ea\u6d89\u53ca\u5c11\u6570\u8282\u70b9\u7684\u6570\u636e\u79fb\u52a8\uff0c\u56e0\u6b64\u5bf9\u96c6\u7fa4\u6574\u4f53\u6027\u80fd\u7684\u5f71\u54cd\u8f83\u5c0f\u3002<\/p>\n<\/blockquote>\n
[root@kv2 ~]# echo $(hdfs dfsadmin -report | grep -E '^Name:|^DFS Used%' | awk -F':' '{print $2}' | sed 1d | awk '{print $1}')\n2024-11-11 14:01:58,205 INFO util.KerberosUtil: Using principal pattern: HTTP\/_HOST\n172.22.23.1 46.72% 172.22.23.2 35.25% 172.22.23.3 41.22% 172.22.23.4 40.86%\n\n# \u4ece\u4e0a\u9762\u7ed3\u679c\u53ef\u4ee5\u83b7\u53d6\u5230\u9ad8\u6c34\u4f4d\u8282\u70b9172.22.23.1 \u4f7f\u7528\u738746.72%\uff0c\u4f4e\u6c34\u4f4d\u8282\u70b9172.22.23.2 \u4f7f\u7528\u738735.25%\u3002 \u6211\u4eec\u5c06\u8fd9\u4e24\u4e2a\u8282\u70b9\u52a0\u5165\u5230 -include -f<\/code> \u6307\u5b9a\u7684\u6587\u4ef6\u91cc\u9762\u53bb\uff0c\u8be5\u53c2\u6570\u8868\u793a\uff1a\u53ea\u5141\u8bb8\u8be5\u90e8\u5206ip\u53c2\u4e0ebalance\u3002\n[root@kv2 ~]# vim \/tmp\/include.txt\n[root@kv2 ~]# cat \/tmp\/include.txt \n172.22.23.1\n172.22.23.2\n[root@kv2 ~]# nohup hdfs balancer -threshold 2 -include -f \/tmp\/include.txt > balancer_20241111.log 2>&1 &\n[1] 1602<\/code><\/pre>\n
\u9a8c\u8bc1\u662f\u5426\u6210\u529f\uff1a<\/p>\n
\"file\"<\/p>\n
[root@kv2 ~]# echo $(hdfs dfsadmin -report | grep -E '^Name:|^DFS Used%' | awk -F':' '{print $2}' | sed 1d | awk '{print $1}')\n2024-11-11 14:06:14,459 INFO util.KerberosUtil: Using principal pattern: HTTP\/_HOST\n172.22.23.1 42.13% 172.22.23.2 39.85% 172.22.23.3 41.22% 172.22.23.4 40.86%<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
\u6982\u8981\u63cf\u8ff0 \u4f7f\u7528\u4ecb\u7ecd 1. \u8fdb\u5165namenode pod [root@kv1~]# kubectl get po ..<\/p>\n
<\/div>\n
Read more<\/a><\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[240],"tags":[],"class_list":["post-14688","post","type-post","status-publish","format-standard","hentry","category-operation"],"acf":[],"_links":{"self":[{"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts\/14688","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\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=14688"}],"version-history":[{"count":3,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts\/14688\/revisions"}],"predecessor-version":[{"id":14694,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts\/14688\/revisions\/14694"}],"wp:attachment":[{"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=14688"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=14688"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=14688"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}