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https://issues.apache.org/jira/browse/FLUME-640?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yongkun Wang updated FLUME-640:
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Attachment: flume-masterless-ack-for-community.pdf
flume-0.9.3-cdh3u0-masterless-ack.patch.README
flume-0.9.3-cdh3u0-masterless-ack.patch
patch, README, and slides about the design of masterless ACK
> Send acks without getting masters involved
> ------------------------------------------
>
> Key: FLUME-640
> URL: https://issues.apache.org/jira/browse/FLUME-640
> Project: Flume
> Issue Type: Improvement
> Affects Versions: v0.9.3
> Reporter: Disabled imported user
> Labels: acknowledgement
> Attachments: flume-0.9.3-cdh3u0-masterless-ack.patch,
> flume-0.9.3-cdh3u0-masterless-ack.patch.README,
> flume-masterless-ack-for-community.pdf
>
>
> Currently the acks (acknowledgement) from the collector are sent back via the
> master(s). In case the master is down, the acks will be lost. It seems that
> the even the multi masters cannot handle this single-point-failure issue.
> A re-design of sending the acks back without getting the master involved will
> be very beneficial. The single-point-failure can be removed to some extent,
> and the efficiency of the acks will also be improved since the master is not
> a bottleneck any more.
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