[jira] [Updated] (HDFS-10525) Fix NPE in CacheReplicationMonitor#rescanCachedBlockMap

2016-06-15 Thread Colin Patrick McCabe (JIRA)

 [ 
https://issues.apache.org/jira/browse/HDFS-10525?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Colin Patrick McCabe updated HDFS-10525:

   Resolution: Fixed
Fix Version/s: 2.8.0
   Status: Resolved  (was: Patch Available)

+1.

Committed to 2.8.  Thanks, [~xiaochen].

> Fix NPE in CacheReplicationMonitor#rescanCachedBlockMap
> ---
>
> Key: HDFS-10525
> URL: https://issues.apache.org/jira/browse/HDFS-10525
> Project: Hadoop HDFS
>  Issue Type: Bug
>  Components: caching
>Affects Versions: 2.8.0
>Reporter: Xiao Chen
>Assignee: Xiao Chen
> Fix For: 2.8.0
>
> Attachments: HDFS-10525.01.patch, HDFS-10525.02.patch
>
>




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[jira] [Updated] (HDFS-10525) Fix NPE in CacheReplicationMonitor#rescanCachedBlockMap

2016-06-14 Thread Xiao Chen (JIRA)

 [ 
https://issues.apache.org/jira/browse/HDFS-10525?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Xiao Chen updated HDFS-10525:
-
Attachment: HDFS-10525.02.patch

Thanks [~cmccabe], good idea to have more logging to track this. Patch added 
the log. Truly sorry for missing this check in HDFS-9549.

> Fix NPE in CacheReplicationMonitor#rescanCachedBlockMap
> ---
>
> Key: HDFS-10525
> URL: https://issues.apache.org/jira/browse/HDFS-10525
> Project: Hadoop HDFS
>  Issue Type: Bug
>  Components: caching
>Affects Versions: 2.8.0
>Reporter: Xiao Chen
>Assignee: Xiao Chen
> Attachments: HDFS-10525.01.patch, HDFS-10525.02.patch
>
>




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[jira] [Updated] (HDFS-10525) Fix NPE in CacheReplicationMonitor#rescanCachedBlockMap

2016-06-14 Thread Xiao Chen (JIRA)

 [ 
https://issues.apache.org/jira/browse/HDFS-10525?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Xiao Chen updated HDFS-10525:
-
Attachment: HDFS-10525.01.patch

Patch 1 to fix this in the capacity check.

The check added in HDFS-9549 was to handle a rare case where a block stuck in 
pending if the capacity is reached.

I think there're 2 options on the fix:
- ignore null blockInfo. We already have logic to remove the blocks that cannot 
be found on NN
- remove immediately. I feel this may add a source of confusion since we have 1 
more place to remove. 

To limit the change scope, patch 1 goes with option 1.

> Fix NPE in CacheReplicationMonitor#rescanCachedBlockMap
> ---
>
> Key: HDFS-10525
> URL: https://issues.apache.org/jira/browse/HDFS-10525
> Project: Hadoop HDFS
>  Issue Type: Bug
>  Components: caching
>Affects Versions: 2.8.0
>Reporter: Xiao Chen
>Assignee: Xiao Chen
> Attachments: HDFS-10525.01.patch
>
>




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[jira] [Updated] (HDFS-10525) Fix NPE in CacheReplicationMonitor#rescanCachedBlockMap

2016-06-14 Thread Xiao Chen (JIRA)

 [ 
https://issues.apache.org/jira/browse/HDFS-10525?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Xiao Chen updated HDFS-10525:
-
Status: Patch Available  (was: Open)

> Fix NPE in CacheReplicationMonitor#rescanCachedBlockMap
> ---
>
> Key: HDFS-10525
> URL: https://issues.apache.org/jira/browse/HDFS-10525
> Project: Hadoop HDFS
>  Issue Type: Bug
>  Components: caching
>Affects Versions: 2.8.0
>Reporter: Xiao Chen
>Assignee: Xiao Chen
> Attachments: HDFS-10525.01.patch
>
>




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