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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7261) storageMap is accessed without synchronization in DatanodeDescriptor#updateHeartbeatState()
Date Wed, 18 Mar 2015 13:24:38 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7261?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14367115#comment-14367115
] 

Hadoop QA commented on HDFS-7261:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12705313/HDFS-7261-002.patch
  against trunk revision 3411732.

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:red}-1 tests included{color}.  The patch doesn't appear to include any new or modified
tests.
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 javadoc{color}.  There were no new javadoc warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
2.0.3) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:green}+1 core tests{color}.  The patch passed unit tests in hadoop-hdfs-project/hadoop-hdfs.

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/9957//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/9957//console

This message is automatically generated.

> storageMap is accessed without synchronization in DatanodeDescriptor#updateHeartbeatState()
> -------------------------------------------------------------------------------------------
>
>                 Key: HDFS-7261
>                 URL: https://issues.apache.org/jira/browse/HDFS-7261
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Ted Yu
>            Assignee: Brahma Reddy Battula
>         Attachments: HDFS-7261-001.patch, HDFS-7261-002.patch, HDFS-7261.patch
>
>
> Here is the code:
> {code}
>       failedStorageInfos = new HashSet<DatanodeStorageInfo>(
>           storageMap.values());
> {code}
> In other places, the lock on "DatanodeDescriptor.storageMap" is held:
> {code}
>     synchronized (storageMap) {
>       final Collection<DatanodeStorageInfo> storages = storageMap.values();
>       return storages.toArray(new DatanodeStorageInfo[storages.size()]);
>     }
> {code}



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