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From "J.Andreina (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-8581) count cmd calculate wrong when huge files exist in one folder
Date Fri, 12 Jun 2015 11:30:01 GMT

     [ https://issues.apache.org/jira/browse/HDFS-8581?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

J.Andreina updated HDFS-8581:
-----------------------------
    Status: Patch Available  (was: Open)

> count cmd calculate wrong when huge files exist in one folder
> -------------------------------------------------------------
>
>                 Key: HDFS-8581
>                 URL: https://issues.apache.org/jira/browse/HDFS-8581
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: HDFS
>            Reporter: tongshiquan
>            Assignee: J.Andreina
>            Priority: Minor
>         Attachments: HDFS-8581.1.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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