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Posted to dev@ambari.apache.org by "Varun Kapoor (JIRA)" <ji...@apache.org> on 2012/05/17 02:46:07 UTC
[jira] [Created] (AMBARI-286) Make TxnProgressWidget Immune To
Re-Fetch Race Conditions
Varun Kapoor created AMBARI-286:
-----------------------------------
Summary: Make TxnProgressWidget Immune To Re-Fetch Race Conditions
Key: AMBARI-286
URL: https://issues.apache.org/jira/browse/AMBARI-286
Project: Ambari
Issue Type: Bug
Affects Versions: ambari-186
Reporter: Varun Kapoor
Assignee: Varun Kapoor
Priority: Critical
Fix For: ambari-186
There's a bunch of severe rendering problems that stem from the TxnProgressWidget periodically polling its backend data source at fixed intervals, regardless of whether the previous fetch is actually done.
Now that we have post-processors for fetchTxnProgress.php (buried deep within AMBARI-249), this has become even more severe because our post-processing script potentially triggers background jobs (that should run just once) more than once, so this needs to be fixed ASAP.
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[jira] [Updated] (AMBARI-286) Make TxnProgressWidget Immune To
Re-Fetch Race Conditions
Posted by "Vinod Kumar Vavilapalli (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/AMBARI-286?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Vinod Kumar Vavilapalli updated AMBARI-286:
-------------------------------------------
Fix Version/s: (was: ambari-186)
0.9.0
> Make TxnProgressWidget Immune To Re-Fetch Race Conditions
> ---------------------------------------------------------
>
> Key: AMBARI-286
> URL: https://issues.apache.org/jira/browse/AMBARI-286
> Project: Ambari
> Issue Type: Bug
> Affects Versions: ambari-186
> Reporter: Varun Kapoor
> Assignee: Varun Kapoor
> Priority: Critical
> Fix For: 0.9.0
>
> Attachments: AMBARI-286.patch
>
> Original Estimate: 4h
> Remaining Estimate: 4h
>
> There's a bunch of severe rendering problems that stem from the TxnProgressWidget periodically polling its backend data source at fixed intervals, regardless of whether the previous fetch is actually done.
> Now that we have post-processors for fetchTxnProgress.php (buried deep within AMBARI-249), this has become even more severe because our post-processing script potentially triggers background jobs (that should run just once) more than once, so this needs to be fixed ASAP.
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[jira] [Updated] (AMBARI-286) Make TxnProgressWidget Immune To
Re-Fetch Race Conditions
Posted by "Varun Kapoor (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/AMBARI-286?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Varun Kapoor updated AMBARI-286:
--------------------------------
Attachment: AMBARI-286.patch
> Make TxnProgressWidget Immune To Re-Fetch Race Conditions
> ---------------------------------------------------------
>
> Key: AMBARI-286
> URL: https://issues.apache.org/jira/browse/AMBARI-286
> Project: Ambari
> Issue Type: Bug
> Affects Versions: ambari-186
> Reporter: Varun Kapoor
> Assignee: Varun Kapoor
> Priority: Critical
> Fix For: ambari-186
>
> Attachments: AMBARI-286.patch
>
> Original Estimate: 4h
> Remaining Estimate: 4h
>
> There's a bunch of severe rendering problems that stem from the TxnProgressWidget periodically polling its backend data source at fixed intervals, regardless of whether the previous fetch is actually done.
> Now that we have post-processors for fetchTxnProgress.php (buried deep within AMBARI-249), this has become even more severe because our post-processing script potentially triggers background jobs (that should run just once) more than once, so this needs to be fixed ASAP.
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[jira] [Updated] (AMBARI-286) Make TxnProgressWidget Immune To
Re-Fetch Race Conditions
Posted by "Vinod Kumar Vavilapalli (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/AMBARI-286?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Vinod Kumar Vavilapalli updated AMBARI-286:
-------------------------------------------
Affects Version/s: (was: ambari-186)
0.9.0
> Make TxnProgressWidget Immune To Re-Fetch Race Conditions
> ---------------------------------------------------------
>
> Key: AMBARI-286
> URL: https://issues.apache.org/jira/browse/AMBARI-286
> Project: Ambari
> Issue Type: Bug
> Affects Versions: 0.9.0
> Reporter: Varun Kapoor
> Assignee: Varun Kapoor
> Priority: Critical
> Fix For: 0.9.0
>
> Attachments: AMBARI-286.patch
>
> Original Estimate: 4h
> Remaining Estimate: 4h
>
> There's a bunch of severe rendering problems that stem from the TxnProgressWidget periodically polling its backend data source at fixed intervals, regardless of whether the previous fetch is actually done.
> Now that we have post-processors for fetchTxnProgress.php (buried deep within AMBARI-249), this has become even more severe because our post-processing script potentially triggers background jobs (that should run just once) more than once, so this needs to be fixed ASAP.
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