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Colin Patrick McCabe resolved HDFS-7900. ---------------------------------------- Resolution: Duplicate > ShortCircuitCache.replicaInfoMap keeps too many deleted file descriptor > ------------------------------------------------------------------------- > > Key: HDFS-7900 > URL: https://issues.apache.org/jira/browse/HDFS-7900 > Project: Hadoop HDFS > Issue Type: Bug > Components: hdfs-client > Affects Versions: 2.3.0 > Environment: hadoop cdh5 2.3.0 hbase 0.98 > Reporter: zhangshilong > Priority: Critical > > I delete some hbase's files manually or use "rm -rf blk_xxxx" to delete > the blockfile directly, but hbase keeps the file descriptor very long time. > I found these file descriptor may be kept in shortcircuitcache replicaMap, > but could not find when the file descriptor will be removed. replicaMap has > no limits size for putting. > run: lsof -p pid |grep deleted > part of result: > lk_1102309377_28571078.meta (deleted) > java 8430 hbase 8537r REG 8,145 536870912 806553760 > /search/hadoop08/data/current/BP-715213703-10.141.46.46-1418959337587/current/finalized/subdir61/blk_1102541663 > (deleted) > java 8430 hbase 8540r REG 8,113 4194311 812434001 > /search/hadoop06/data/current/BP-715213703-10.141.46.46-1418959337587/current/finalized/subdir62/subdir21/blk_1102524193_28785917.meta > (deleted) > java 8430 hbase 8541r REG 8,65 536870912 813718517 > /search/hadoop03/data/current/BP-715213703-10.141.46.46-1418959337587/current/finalized/subdir31/subdir14/blk_1102523618 > (deleted) > java 8430 hbase 8542r REG 8,65 4194311 813718518 > /search/hadoop03/data/current/BP-715213703-10.141.46.46-1418959337587/current/finalized/subdir31/subdir14/blk_1102523618_28785342.meta > (deleted) > java 8430 hbase 8543r REG 8,193 536870912 1886733815 > /search/hadoop12/data/current/BP-715213703-10.141.46.46-1418959337587/current/finalized/subdir20/subdir22/blk_1102533549 > (deleted) > java 8430 hbase 8544r REG 8,65 4194311 814828988 > /search/hadoop03/data/current/BP-715213703-10.141.46.46-1418959337587/current/finalized/subdir49/blk_1102676585_28938309.meta > (deleted) > java 8430 hbase 8545r REG 8,17 4194311 812962137 > /search/hadoop10/data/current/BP-715213703-10.141.46.46-1418959337587/current/finalized/subdir53/blk_1102597493_28859217.meta > (deleted) > java 8430 hbase 8546r REG 8,97 4194311 810468992 > /search/hadoop05/data/current/BP-715213703-10.141.46.46-1418959337587/current/finalized/subdir4/subdir46/blk_1102524567_28786291.meta > (deleted) > -- This message was sent by Atlassian JIRA (v6.3.4#6332)