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https://issues.apache.org/jira/browse/FLUME-1819?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Venkatesh Sivasubramanian updated FLUME-1819:
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Attachment: FLUME-1819-3.patch
Hari: Good Catch! I have made those changes and updated the patch.
On the unit test, have moved the sleep out of the loop and decreased the
timeout to 750ms. Let me know if you have any other suggestions.
Thanks!
> ExecSource don't flush the cache if there is no input entries
> -------------------------------------------------------------
>
> Key: FLUME-1819
> URL: https://issues.apache.org/jira/browse/FLUME-1819
> Project: Flume
> Issue Type: Bug
> Components: Sinks+Sources
> Affects Versions: v1.3.0
> Reporter: Fengdong Yu
> Assignee: Venkatesh Sivasubramanian
> Fix For: v1.4.0
>
> Attachments: FLUME-1819-3.patch, FLUME-1819.patch,
> FLUME-1819.patch.1, FLUME-1819.patch.2
>
>
> ExecSource has a default batchSize: 20, exec source read data from the
> source, then put it into the cache, after the cache is full, push it to the
> channel.
> but if exec source's cache is not full, and there isn't any input for a long
> time, then these entries always kept in the cache, there is no chance to the
> channel until the source's cache is full.
> so, the patch added a new config line: batchTimeout for ExecSource, and
> default is 3 seconds, if batchTimeout exceeded, push all cached data to the
> channel even the cache is not full.
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