hadoop-hdfs-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8384) Allow NN to startup if there are files having a lease but are not under construction
Date Fri, 04 Sep 2015 19:51:47 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8384?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14731325#comment-14731325
] 

Hudson commented on HDFS-8384:
------------------------------

FAILURE: Integrated in Hadoop-trunk-Commit #8405 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/8405/])
HDFS-8384. Allow NN to startup if there are files having a lease but are not under construction.
Contributed by Jing Zhao. (jing9: rev 8928729c80af0a154524e06fb13ed9b191986a78)
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/LeaseManager.java


> Allow NN to startup if there are files having a lease but are not under construction
> ------------------------------------------------------------------------------------
>
>                 Key: HDFS-8384
>                 URL: https://issues.apache.org/jira/browse/HDFS-8384
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: namenode
>            Reporter: Tsz Wo Nicholas Sze
>            Assignee: Jing Zhao
>            Priority: Minor
>             Fix For: 2.8.0
>
>         Attachments: HDFS-8384-branch-2.6.patch, HDFS-8384-branch-2.7.patch, HDFS-8384.000.patch
>
>
> When there are files having a lease but are not under construction, NN will fail to start
up with
> {code}
> 15/05/12 00:36:31 ERROR namenode.FSImage: Unable to save image for /hadoop/hdfs/namenode
> java.lang.IllegalStateException
>         at com.google.common.base.Preconditions.checkState(Preconditions.java:129)
>         at org.apache.hadoop.hdfs.server.namenode.LeaseManager.getINodesUnderConstruction(LeaseManager.java:412)
>         at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getFilesUnderConstruction(FSNamesystem.java:7124)
>         ...
> {code}
> The actually problem is that the image could be corrupted by bugs like HDFS-7587.  We
should have an option/conf to allow NN to start up so that the problematic files could possibly
be deleted.



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

Mime
View raw message