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Posted to common-dev@hadoop.apache.org by "Owen O'Malley (JIRA)" <ji...@apache.org> on 2007/03/28 00:25:32 UTC
[jira] Created: (HADOOP-1167) InMemoryFileSystem uses
synchronizedtMaps with maps that are locked anyways
InMemoryFileSystem uses synchronizedtMaps with maps that are locked anyways
---------------------------------------------------------------------------
Key: HADOOP-1167
URL: https://issues.apache.org/jira/browse/HADOOP-1167
Project: Hadoop
Issue Type: Improvement
Components: fs
Affects Versions: 0.12.2
Reporter: Owen O'Malley
Assigned To: Owen O'Malley
Priority: Minor
Fix For: 0.13.0
Attachments: h1167.patch
The InMemoryFileSystem uses synchronizedMaps and then guards each access to them by locking the FileSystem. There is also insufficient synchronization in create.
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[jira] Updated: (HADOOP-1167) InMemoryFileSystem uses
synchronizedtMaps with maps that are locked anyways
Posted by "Owen O'Malley (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-1167?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Owen O'Malley updated HADOOP-1167:
----------------------------------
Status: Patch Available (was: Open)
> InMemoryFileSystem uses synchronizedtMaps with maps that are locked anyways
> ---------------------------------------------------------------------------
>
> Key: HADOOP-1167
> URL: https://issues.apache.org/jira/browse/HADOOP-1167
> Project: Hadoop
> Issue Type: Improvement
> Components: fs
> Affects Versions: 0.12.2
> Reporter: Owen O'Malley
> Assigned To: Owen O'Malley
> Priority: Minor
> Fix For: 0.13.0
>
> Attachments: h1167.patch
>
>
> The InMemoryFileSystem uses synchronizedMaps and then guards each access to them by locking the FileSystem. There is also insufficient synchronization in create.
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[jira] Commented: (HADOOP-1167) InMemoryFileSystem uses
synchronizedtMaps with maps that are locked anyways
Posted by "Hadoop QA (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-1167?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12484638 ]
Hadoop QA commented on HADOOP-1167:
-----------------------------------
+1, because http://issues.apache.org/jira/secure/attachment/12354373/h1167.patch applied and successfully tested against trunk revision http://svn.apache.org/repos/asf/lucene/hadoop/trunk/523072. Results are at http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch
> InMemoryFileSystem uses synchronizedtMaps with maps that are locked anyways
> ---------------------------------------------------------------------------
>
> Key: HADOOP-1167
> URL: https://issues.apache.org/jira/browse/HADOOP-1167
> Project: Hadoop
> Issue Type: Improvement
> Components: fs
> Affects Versions: 0.12.2
> Reporter: Owen O'Malley
> Assigned To: Owen O'Malley
> Priority: Minor
> Fix For: 0.13.0
>
> Attachments: h1167.patch
>
>
> The InMemoryFileSystem uses synchronizedMaps and then guards each access to them by locking the FileSystem. There is also insufficient synchronization in create.
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[jira] Updated: (HADOOP-1167) InMemoryFileSystem uses
synchronizedtMaps with maps that are locked anyways
Posted by "Owen O'Malley (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-1167?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Owen O'Malley updated HADOOP-1167:
----------------------------------
Attachment: h1167.patch
> InMemoryFileSystem uses synchronizedtMaps with maps that are locked anyways
> ---------------------------------------------------------------------------
>
> Key: HADOOP-1167
> URL: https://issues.apache.org/jira/browse/HADOOP-1167
> Project: Hadoop
> Issue Type: Improvement
> Components: fs
> Affects Versions: 0.12.2
> Reporter: Owen O'Malley
> Assigned To: Owen O'Malley
> Priority: Minor
> Fix For: 0.13.0
>
> Attachments: h1167.patch
>
>
> The InMemoryFileSystem uses synchronizedMaps and then guards each access to them by locking the FileSystem. There is also insufficient synchronization in create.
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[jira] Updated: (HADOOP-1167) InMemoryFileSystem uses
synchronizedtMaps with maps that are locked anyways
Posted by "Doug Cutting (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-1167?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Doug Cutting updated HADOOP-1167:
---------------------------------
Resolution: Fixed
Status: Resolved (was: Patch Available)
I just committed this. Thanks, Owen!
> InMemoryFileSystem uses synchronizedtMaps with maps that are locked anyways
> ---------------------------------------------------------------------------
>
> Key: HADOOP-1167
> URL: https://issues.apache.org/jira/browse/HADOOP-1167
> Project: Hadoop
> Issue Type: Improvement
> Components: fs
> Affects Versions: 0.12.2
> Reporter: Owen O'Malley
> Assigned To: Owen O'Malley
> Priority: Minor
> Fix For: 0.13.0
>
> Attachments: h1167.patch
>
>
> The InMemoryFileSystem uses synchronizedMaps and then guards each access to them by locking the FileSystem. There is also insufficient synchronization in create.
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[jira] Commented: (HADOOP-1167) InMemoryFileSystem uses
synchronizedtMaps with maps that are locked anyways
Posted by "Devaraj Das (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-1167?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12484712 ]
Devaraj Das commented on HADOOP-1167:
-------------------------------------
+1
> InMemoryFileSystem uses synchronizedtMaps with maps that are locked anyways
> ---------------------------------------------------------------------------
>
> Key: HADOOP-1167
> URL: https://issues.apache.org/jira/browse/HADOOP-1167
> Project: Hadoop
> Issue Type: Improvement
> Components: fs
> Affects Versions: 0.12.2
> Reporter: Owen O'Malley
> Assigned To: Owen O'Malley
> Priority: Minor
> Fix For: 0.13.0
>
> Attachments: h1167.patch
>
>
> The InMemoryFileSystem uses synchronizedMaps and then guards each access to them by locking the FileSystem. There is also insufficient synchronization in create.
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[jira] Commented: (HADOOP-1167) InMemoryFileSystem uses
synchronizedtMaps with maps that are locked anyways
Posted by "Hadoop QA (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-1167?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12485595 ]
Hadoop QA commented on HADOOP-1167:
-----------------------------------
Integrated in Hadoop-Nightly #42 (See http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Nightly/42/)
> InMemoryFileSystem uses synchronizedtMaps with maps that are locked anyways
> ---------------------------------------------------------------------------
>
> Key: HADOOP-1167
> URL: https://issues.apache.org/jira/browse/HADOOP-1167
> Project: Hadoop
> Issue Type: Improvement
> Components: fs
> Affects Versions: 0.12.2
> Reporter: Owen O'Malley
> Assigned To: Owen O'Malley
> Priority: Minor
> Fix For: 0.13.0
>
> Attachments: h1167.patch
>
>
> The InMemoryFileSystem uses synchronizedMaps and then guards each access to them by locking the FileSystem. There is also insufficient synchronization in create.
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