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https://issues.apache.org/jira/browse/HDFS-8581?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kihwal Lee updated HDFS-8581:
-----------------------------
Fix Version/s: (was: 2.8.0)
2.6.5
2.7.3
> ContentSummary on / skips further counts on yielding lock
> ---------------------------------------------------------
>
> Key: HDFS-8581
> URL: https://issues.apache.org/jira/browse/HDFS-8581
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Reporter: tongshiquan
> Assignee: J.Andreina
> Priority: Minor
> Fix For: 2.7.3, 2.6.5
>
> Attachments: HDFS-8581.1.patch, HDFS-8581.2.patch, HDFS-8581.3.patch,
> HDFS-8581.4.patch
>
>
> If one directory such as "/result" exists about 200000 files, then when
> execute "hdfs dfs -count /", the result will go wrong. For all directories
> whose name after "/result", file num will not be included.
> My cluster see as below, "/result_1433858936" is the directory exist huge
> files, and files in "/sparkJobHistory", "/tmp", "/user" are not included
> vm-221:/export1/BigData/current # hdfs dfs -ls /
> 15/06/11 11:00:17 INFO hdfs.PeerCache: SocketCache disabled.
> Found 9 items
> -rw-r--r-- 3 hdfs supergroup 0 2015-06-08 12:10
> /PRE_CREATE_DIR.SUCCESS
> drwxr-x--- - flume hadoop 0 2015-06-08 12:08 /flume
> drwx------ - hbase hadoop 0 2015-06-10 15:25 /hbase
> drwxr-xr-x - hdfs supergroup 0 2015-06-10 17:19 /hyt
> drwxrwxrwx - mapred hadoop 0 2015-06-08 12:08 /mr-history
> drwxr-xr-x - hdfs supergroup 0 2015-06-09 22:10
> /result_1433858936
> drwxrwxrwx - spark supergroup 0 2015-06-10 19:15 /sparkJobHistory
> drwxrwxrwx - hdfs hadoop 0 2015-06-08 12:14 /tmp
> drwxrwxrwx - hdfs hadoop 0 2015-06-09 21:57 /user
> vm-221:/export1/BigData/current #
> vm-221:/export1/BigData/current # hdfs dfs -count /
> 15/06/11 11:00:24 INFO hdfs.PeerCache: SocketCache disabled.
> 1043 171536 1756375688 /
> vm-221:/export1/BigData/current #
> vm-221:/export1/BigData/current # hdfs dfs -count /PRE_CREATE_DIR.SUCCESS
> 15/06/11 11:00:30 INFO hdfs.PeerCache: SocketCache disabled.
> 0 1 0 /PRE_CREATE_DIR.SUCCESS
> vm-221:/export1/BigData/current #
> vm-221:/export1/BigData/current # hdfs dfs -count /flume
> 15/06/11 11:00:41 INFO hdfs.PeerCache: SocketCache disabled.
> 1 0 0 /flume
> vm-221:/export1/BigData/current #
> vm-221:/export1/BigData/current # hdfs dfs -count /hbase
> 15/06/11 11:00:49 INFO hdfs.PeerCache: SocketCache disabled.
> 36 18 14807 /hbase
> vm-221:/export1/BigData/current #
> vm-221:/export1/BigData/current # hdfs dfs -count /hyt
> 15/06/11 11:01:09 INFO hdfs.PeerCache: SocketCache disabled.
> 1 0 0 /hyt
> vm-221:/export1/BigData/current #
> vm-221:/export1/BigData/current # hdfs dfs -count /mr-history
> 15/06/11 11:01:18 INFO hdfs.PeerCache: SocketCache disabled.
> 3 0 0 /mr-history
> vm-221:/export1/BigData/current #
> vm-221:/export1/BigData/current # hdfs dfs -count /result_1433858936
> 15/06/11 11:01:29 INFO hdfs.PeerCache: SocketCache disabled.
> 1001 171517 1756360881 /result_1433858936
> vm-221:/export1/BigData/current #
> vm-221:/export1/BigData/current # hdfs dfs -count /sparkJobHistory
> 15/06/11 11:01:41 INFO hdfs.PeerCache: SocketCache disabled.
> 1 3 21785 /sparkJobHistory
> vm-221:/export1/BigData/current #
> vm-221:/export1/BigData/current # hdfs dfs -count /tmp
> 15/06/11 11:01:48 INFO hdfs.PeerCache: SocketCache disabled.
> 17 6 35958 /tmp
> vm-221:/export1/BigData/current #
> vm-221:/export1/BigData/current # hdfs dfs -count /user
> 15/06/11 11:01:55 INFO hdfs.PeerCache: SocketCache disabled.
> 12 1 19077 /user
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