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https://issues.apache.org/jira/browse/FLUME-2712?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14563807#comment-14563807
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Hari Shreedharan commented on FLUME-2712:
-----------------------------------------
A good way of doing this would be to write to all channels in parallel via a
*fixed* number of threads (to end up not using too many threads). For the ones
from the _required_ channels, wait on the futures, for the others, just don't
care - submit and go away.
> Optional channel errors slows down the Source to Main channel event rate
> ------------------------------------------------------------------------
>
> Key: FLUME-2712
> URL: https://issues.apache.org/jira/browse/FLUME-2712
> Project: Flume
> Issue Type: Bug
> Reporter: Johny Rufus
>
> When we have a source configured to deliver events to a main channel and an
> optional channel, and if the delivery to optional channel fails, this
> significantly slows down the rate at which events are delivered to the main
> channel by the source.
> We need to evaluate async means of delivering events to the optional channel
> and isolate the errors happening in optional channel from the delivery to the
> main channel
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