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https://issues.apache.org/jira/browse/HDFS-8809?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14707439#comment-14707439
]
Hudson commented on HDFS-8809:
------------------------------
FAILURE: Integrated in Hadoop-Yarn-trunk-Java8 #294 (See
[https://builds.apache.org/job/Hadoop-Yarn-trunk-Java8/294/])
HDFS-8809. HDFS fsck reports under construction blocks as CORRUPT. Contributed
by Jing Zhao. (jing9: rev c8bca62718203a1dad9b70d164bdf10cc71b40cd)
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
*
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFsck.java
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NamenodeFsck.java
> HDFS fsck reports under construction blocks as "CORRUPT"
> --------------------------------------------------------
>
> Key: HDFS-8809
> URL: https://issues.apache.org/jira/browse/HDFS-8809
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: tools
> Affects Versions: 2.7.0
> Environment: Hadoop 2.7.1 and HBase 1.1.1, on SUSE11sp3 (other
> Linuxes not tested, probably not platform-dependent). This did NOT happen
> with Hadoop 2.4 and HBase 0.98.
> Reporter: Sudhir Prakash
> Assignee: Jing Zhao
> Fix For: 2.8.0
>
> Attachments: HDFS-8809.000.patch
>
>
> Whenever HBase is running, the "hdfs fsck /" reports four hbase-related
> files in the path "hbase/data/WALs/" as CORRUPT. Even after letting the
> cluster sit idle for a couple hours, it is still in the corrupt state. If
> HBase is shut down, the problem goes away. If HBase is then restarted, the
> problem recurs. This was observed with Hadoop 2.7.1 and HBase 1.1.1, and did
> NOT happen with Hadoop 2.4 and HBase 0.98.
> {code}
> hades1:/var/opt/teradata/packages # su hdfs
> hdfs@hades1:/var/opt/teradata/packages> hdfs fsck /
> Connecting to namenode via
> http://hades1.labs.teradata.com:50070/fsck?ugi=hdfs&path=%2F
> FSCK started by hdfs (auth:SIMPLE) from /39.0.8.2 for path / at Wed Jun 24
> 20:40:17 GMT 2015
> ...
> /apps/hbase/data/WALs/hades4.labs.teradata.com,16020,1435168292684/hades4.labs.teradata.com%2C16020%2C1435168292684.default.1435175500556:
> MISSING 1 blocks of total size 83 B.
> /apps/hbase/data/WALs/hades5.labs.teradata.com,16020,1435168290466/hades5.labs.teradata.com%2C16020%2C1435168290466..meta.1435175562144.meta:
> MISSING 1 blocks of total size 83 B.
> /apps/hbase/data/WALs/hades5.labs.teradata.com,16020,1435168290466/hades5.labs.teradata.com%2C16020%2C1435168290466.default.1435175498500:
> MISSING 1 blocks of total size 83 B.
> /apps/hbase/data/WALs/hades6.labs.teradata.com,16020,1435168292373/hades6.labs.teradata.com%2C16020%2C1435168292373.default.1435175500301:
> MISSING 1 blocks of total size 83
> B..................................................................................................
> ....................................................................................................
> ....................................................................................................
> ........................................................................................Status:
> CORRUPT
> Total size: 723977553 B (Total open files size: 332 B)
> Total dirs: 79
> Total files: 388
> Total symlinks: 0 (Files currently being written: 5)
> Total blocks (validated): 387 (avg. block size 1870743 B) (Total open
> file blocks (not validated): 4)
> ********************************
> UNDER MIN REPL'D BLOCKS: 4 (1.0335917 %)
> dfs.namenode.replication.min: 1
> CORRUPT FILES: 4
> MISSING BLOCKS: 4
> MISSING SIZE: 332 B
> ********************************
> Minimally replicated blocks: 387 (100.0 %)
> Over-replicated blocks: 0 (0.0 %)
> Under-replicated blocks: 0 (0.0 %)
> Mis-replicated blocks: 0 (0.0 %)
> Default replication factor: 3
> Average block replication: 3.0
> Corrupt blocks: 0
> Missing replicas: 0 (0.0 %)
> Number of data-nodes: 3
> Number of racks: 1
> FSCK ended at Wed Jun 24 20:40:17 GMT 2015 in 7 milliseconds
> The filesystem under path '/' is CORRUPT
> hdfs@hades1:/var/opt/teradata/packages>
> {code}
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