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https://issues.apache.org/jira/browse/IGNITE-7191?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16322255#comment-16322255
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Pavel Tupitsyn commented on IGNITE-7191:
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[~apopov] why 64k and not 128k or anything else? Did you perform any benchmarks?
> JDBC: set socket buffer to 64k by default
> -----------------------------------------
>
> Key: IGNITE-7191
> URL: https://issues.apache.org/jira/browse/IGNITE-7191
> Project: Ignite
> Issue Type: Improvement
> Components: jdbc
> Affects Versions: 2.1
> Reporter: Alexey Popov
> Assignee: Alexey Popov
> Fix For: 2.4
>
>
> TCP socket buffer size can significantly affect user-visible performance
> (actually, latency) for SQL queries, especially if Ignite cluster is run at
> the remote hosts.
> It is better to have 64k TCP socket buffer size (instead of default 8k) by
> default to avoid possible delays in TCP transport.
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