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Posted to issues@trafodion.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2016/10/30 15:43:59 UTC
[jira] [Commented] (TRAFODION-2235) Enhance node failure detection
and coordination
[ https://issues.apache.org/jira/browse/TRAFODION-2235?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15620127#comment-15620127 ]
ASF GitHub Bot commented on TRAFODION-2235:
-------------------------------------------
GitHub user zcorrea opened a pull request:
https://github.com/apache/incubator-trafodion/pull/801
[TRAFODION-2235] Changed EPOLL timeout default values.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/zcorrea/incubator-trafodion TRAFODION-2235
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/incubator-trafodion/pull/801.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #801
----
commit 0ddd1093a7003ff9f05ec9b1fcdeb17cab20fd63
Author: Zalo Correa <za...@esgyn.com>
Date: 2016-10-30T15:41:18Z
[TRAFODION-2235] Changed EPOLL timeout default values.
----
> Enhance node failure detection and coordination
> -----------------------------------------------
>
> Key: TRAFODION-2235
> URL: https://issues.apache.org/jira/browse/TRAFODION-2235
> Project: Apache Trafodion
> Issue Type: Bug
> Components: foundation, installer
> Affects Versions: 2.1-incubating
> Reporter: Gonzalo E Correa
> Assignee: Gonzalo E Correa
>
> Certain server and network failures are not detected by the monitor processes which cause a safety net failure detection mechanism to trigger in all Trafodion nodes. This safety net mechanism is controlled by the environment variable SQ_MON_SYNC_TIMEOUT currently set at 15 minutes.
> This JIRA is to enhance the node failure mechanism in the Trafodion foundation components, specifically the monitor process, to detect a non-responsive node and handle it as a node down condition when a configurable timeout event is detected prior to the safety net failure mechanism described above.
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