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From "Ariel Weisberg (JIRA)" <>
Subject [jira] [Commented] (CASSANDRA-13090) Coalescing strategy sleep too much
Date Tue, 03 Jan 2017 16:22:58 GMT


Ariel Weisberg commented on CASSANDRA-13090:

Right but we don't need the network to coalesce for us since we are already doing it. But...
there isn't a motivation to coalesce more than some number of messages. All it's going to
do is add latency with minimal reduction in overhead.

I see I understood limit incorrectly. It might be clearer as now + nano / 16 and some parens
for those of us a bit weaker at math.

> Coalescing strategy sleep too much
> ----------------------------------
>                 Key: CASSANDRA-13090
>                 URL:
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Streaming and Messaging
>            Reporter: Corentin Chary
>             Fix For: 3.x
>         Attachments: 0001-Fix-wait-time-coalescing-CASSANDRA-13090.patch
> With the current code maybeSleep is called even if we managed to take maxItems out of
the backlog. In this case we should really avoid sleeping because it means that backlog is
building up.
> I'll send a patch shortly.

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