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https://issues.apache.org/jira/browse/GEODE-3948?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16818322#comment-16818322
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Sai Boorlagadda commented on GEODE-3948:
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Cherry-picked to 1.9.0
> Improve CQ performance under flaky network conditions
> -----------------------------------------------------
>
> Key: GEODE-3948
> URL: https://issues.apache.org/jira/browse/GEODE-3948
> Project: Geode
> Issue Type: Improvement
> Components: docs
> Reporter: Galen O'Sullivan
> Assignee: Bruce Schuchardt
> Priority: Minor
> Labels: pull-request-available
> Fix For: 1.9.0, 1.10.0
>
> Time Spent: 3h 20m
> Remaining Estimate: 0h
>
> Client CQ connections occasionally stop receiving messages and become blocked
> indefinitely.
> This can be caused by a server that hangs or dies without sending a close
> message, or by some firewalls.
> The client already gets ping messages from the server, but currently ignores
> them. Let's use those messages to detect a failed connection and close it.
> Probably the client should follow the same logic and send ping messages if it
> has sent no acks for a while, so that the server can also detect and close a
> broken connection.
> The timeout could be specified as a number and time interval, the ping
> interval and the number of missed pings after which to fail.
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