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https://issues.apache.org/jira/browse/CASSANDRA-3127?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13247287#comment-13247287
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Chris Burroughs commented on CASSANDRA-3127:
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bq. On the other side of the spectrum, this is likely always a good choice to
compress for say the exchange of merkle trees across data-centers.
Shouldn't merkle trees (in theory) already be the most information dense
representation possible and thus be uncompressable?
> Message (inter-node) compression
> --------------------------------
>
> Key: CASSANDRA-3127
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3127
> Project: Cassandra
> Issue Type: Improvement
> Components: Core
> Reporter: Sylvain Lebresne
> Priority: Minor
>
> CASSANDRA-3015 adds compression of streams. But it could be useful to also
> compress some messages.
> Compressing messages is easy, but what may be little bit trickier is when and
> what messages to compress to get the best performances.
> The simple solution would be to just have it either always on or always off.
> But for very small messages (gossip?) that may be counter-productive. On the
> other side of the spectrum, this is likely always a good choice to compress
> for say the exchange of merkle trees across data-centers. We could maybe
> define a size of messages after which we start to compress. Maybe the option
> to only compress for cross data-center messages would be useful too (but I
> may also just be getting carried away).
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