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From "Bill Graham (JIRA)" <j...@apache.org>
Subject [jira] Updated: (CHUKWA-534) Improve fault-tolerance of DemuxManager.
Date Tue, 12 Oct 2010 21:02:33 GMT

     [ https://issues.apache.org/jira/browse/CHUKWA-534?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Bill Graham updated CHUKWA-534:
-------------------------------

    Attachment: CHUKWA-534_2.patch

Attaching patch 2, which also contains default configs set to 5.

> Improve fault-tolerance of DemuxManager.
> ----------------------------------------
>
>                 Key: CHUKWA-534
>                 URL: https://issues.apache.org/jira/browse/CHUKWA-534
>             Project: Chukwa
>          Issue Type: Improvement
>            Reporter: Bill Graham
>            Assignee: Bill Graham
>         Attachments: CHUKWA-534_1.patch, CHUKWA-534_2.patch
>
>
> If the DemuxManager received more than 5 consecutive errors, it dies with the message
"Too many errors, Bail out!".
> Let's change to this introduce a configurable number of concurrent exceptions to be encountered
before dying. If the value is set to -1, expected behavior is to keep retrying ad infinitum.
> Also as part if this bug is to improve logging of how many consecutive errors have occurred,
as well as the time they started. A possible future enhancement could be to support an error
time threshold as well as an absolute count.
> Suggesting the following new config setting. It's a bit verbose, but it's clear.
> {noformat}
> chukwa.demux.max.error.count.before.shutdown
> {noformat}

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