[jira] [Updated] (GEODE-3948) Improve CQ performance under flaky network conditions

["Galen O'Sullivan (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/GEODE-3948?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Galen O'Sullivan updated GEODE-3948:
------------------------------------
    Priority: Minor  (was: Trivial)

> 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: cq, messaging
>            Reporter: Galen O'Sullivan
>            Assignee: Galen O'Sullivan
>            Priority: Minor
>
> 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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