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Guanghao Zhang commented on HBASE-14247: ---------------------------------------- [~aertoria] I already have a patch for master and our 0.98 branch. But it need some code rebase work. I will upload the patch later. Thanks. > Separate the old WALs into different regionserver directories > ------------------------------------------------------------- > > Key: HBASE-14247 > URL: https://issues.apache.org/jira/browse/HBASE-14247 > Project: HBase > Issue Type: Improvement > Components: wal > Reporter: Liu Shaohui > Assignee: Guanghao Zhang > Priority: Critical > Fix For: 2.0.0 > > Attachments: HBASE-14247-v001.diff, HBASE-14247-v002.diff, > HBASE-14247-v003.diff > > > Currently all old WALs of regionservers are achieved into the single > directory of oldWALs. In big clusters, because of long TTL of WAL or disabled > replications, the number of files under oldWALs may reach the > max-directory-items limit of HDFS, which will make the hbase cluster crashed. > {quote} > Caused by: > org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.hdfs.protocol.FSLimitException$MaxDirectoryItemsExceededException): > The directory item limit of /hbase/lgprc-xiaomi/.oldlogs is exceeded: > limit=1048576 items=1048576 > {quote} > A simple solution is to separate the old WALs into different directories > according to the server name of the WAL. > Suggestions are welcomed~ Thanks -- This message was sent by Atlassian JIRA (v6.3.15#6346)