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Posted to dev@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2009/02/25 07:29:01 UTC
[jira] Created: (HBASE-1220) Don't reopen file if already open when
updating readers underneath scanners
Don't reopen file if already open when updating readers underneath scanners
---------------------------------------------------------------------------
Key: HBASE-1220
URL: https://issues.apache.org/jira/browse/HBASE-1220
Project: Hadoop HBase
Issue Type: Bug
Reporter: stack
Fix For: 0.19.1, 0.20.0
Doing this is costly in scenario where where many scanners and many concurrent updates.
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[jira] Assigned: (HBASE-1220) Don't reopen file if already open
when updating readers underneath scanners
Posted by "stack (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-1220?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
stack reassigned HBASE-1220:
----------------------------
Assignee: stack
> Don't reopen file if already open when updating readers underneath scanners
> ---------------------------------------------------------------------------
>
> Key: HBASE-1220
> URL: https://issues.apache.org/jira/browse/HBASE-1220
> Project: Hadoop HBase
> Issue Type: Bug
> Reporter: stack
> Assignee: stack
> Fix For: 0.19.1, 0.20.0
>
> Attachments: 1220.patch
>
>
> Doing this is costly in scenario where where many scanners and many concurrent updates.
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[jira] Resolved: (HBASE-1220) Don't reopen file if already open
when updating readers underneath scanners
Posted by "stack (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-1220?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
stack resolved HBASE-1220.
--------------------------
Resolution: Fixed
Applied to 0.19.1 (doesn't make sense on TRUNK)
> Don't reopen file if already open when updating readers underneath scanners
> ---------------------------------------------------------------------------
>
> Key: HBASE-1220
> URL: https://issues.apache.org/jira/browse/HBASE-1220
> Project: Hadoop HBase
> Issue Type: Bug
> Reporter: stack
> Assignee: stack
> Fix For: 0.19.1, 0.20.0
>
> Attachments: 1220.patch
>
>
> Doing this is costly in scenario where where many scanners and many concurrent updates.
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[jira] Commented: (HBASE-1220) Don't reopen file if already open
when updating readers underneath scanners
Posted by "stack (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-1220?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12680605#action_12680605 ]
stack commented on HBASE-1220:
------------------------------
Squashing this patch.
Will fix this as part of hbase-1219 (working on hbase-1219 I turned up a bug in above).
> Don't reopen file if already open when updating readers underneath scanners
> ---------------------------------------------------------------------------
>
> Key: HBASE-1220
> URL: https://issues.apache.org/jira/browse/HBASE-1220
> Project: Hadoop HBase
> Issue Type: Bug
> Reporter: stack
> Fix For: 0.19.1, 0.20.0
>
> Attachments: 1220.patch
>
>
> Doing this is costly in scenario where where many scanners and many concurrent updates.
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You can reply to this email to add a comment to the issue online.
[jira] Work started: (HBASE-1220) Don't reopen file if already open
when updating readers underneath scanners
Posted by "stack (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-1220?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Work on HBASE-1220 started by stack.
> Don't reopen file if already open when updating readers underneath scanners
> ---------------------------------------------------------------------------
>
> Key: HBASE-1220
> URL: https://issues.apache.org/jira/browse/HBASE-1220
> Project: Hadoop HBase
> Issue Type: Bug
> Reporter: stack
> Assignee: stack
> Fix For: 0.19.1, 0.20.0
>
> Attachments: 1220.patch
>
>
> Doing this is costly in scenario where where many scanners and many concurrent updates.
--
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You can reply to this email to add a comment to the issue online.
[jira] Updated: (HBASE-1220) Don't reopen file if already open when
updating readers underneath scanners
Posted by "stack (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-1220?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
stack updated HBASE-1220:
-------------------------
Attachment: 1220.patch
Pass sequenceid to registered updateReaders so they can be selective about what new Readers to open.
> Don't reopen file if already open when updating readers underneath scanners
> ---------------------------------------------------------------------------
>
> Key: HBASE-1220
> URL: https://issues.apache.org/jira/browse/HBASE-1220
> Project: Hadoop HBase
> Issue Type: Bug
> Reporter: stack
> Fix For: 0.19.1, 0.20.0
>
> Attachments: 1220.patch
>
>
> Doing this is costly in scenario where where many scanners and many concurrent updates.
--
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.