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https://issues.apache.org/jira/browse/HBASE-3473?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14311895#comment-14311895
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hongyu bi commented on HBASE-3473:
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just revisit replication code, in ReplicationSink#replicateEntries, we can do a
quick minor improvement to send batchRPC parallely on table-level.
> Add a configuration property for socket receive buffer size for replication
> endpoints
> -------------------------------------------------------------------------------------
>
> Key: HBASE-3473
> URL: https://issues.apache.org/jira/browse/HBASE-3473
> Project: HBase
> Issue Type: Improvement
> Components: Replication
> Reporter: Gary Helmling
> Priority: Minor
>
> Looking at this blog post about optimizing replication throughput for
> LinkedIn's Kafka:
> http://sna-projects.com/blog/2011/01/optimizing-tcp-socket-across-data-centers/
> It seems worth testing out if HBase replication connections can also benefit
> from increasing the socket receive buffer size on (expected to be)
> high-latency connections.
> To this end, we would add a new configuration property for receive buffer
> size for replication connection and do some benchmarking to evaluate
> throughput with different values, verifying that making this configurable
> would have significant impact. For the moment, it seems best to scope the
> configuration setting to replication connections only, in order to avoid also
> impacting (negatively) intra-cluster communications.
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