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From Ariel Rabkin <>
Subject Re: Closing .chukwa files in collector at regular fixed offset interval to avoid time interval drift
Date Tue, 31 May 2011 21:01:05 GMT
Not quite sure I understand the use case, but if it seems useful,
sure, open a JIRA.


On Tue, May 31, 2011 at 11:33 AM, Shweta Shah <> wrote:
> Hi,
> We have a system built on top of Chukwa that introduces the need to have all
> sequence files for a given rotateInterval closed and available at a
> predictable time.  Currently, we are experiencing some drift in the times
> that the sequence files are closed due to the way the TimerTask is scheduled
> in the SeqFileWriter class.  We would like to submit a solution that will
> allow people to configure the time all collectors should close their files
> for processing in a given interval, while still supporting the default
> functionality.  We have written the code and are currently testing the
> functionality, but would like to know if anyone has any feedback on this
> development before submitting a JIRA ticket.
> - Shweta

Ari Rabkin
UC Berkeley Computer Science Department

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