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From "ASF GitHub Bot (JIRA)" <>
Subject [jira] [Updated] (GEODE-3948) Improve CQ performance under flaky network conditions
Date Tue, 30 Jan 2018 16:38:00 GMT


ASF GitHub Bot updated GEODE-3948:
    Labels: pull-request-available  (was: )

> Improve CQ performance under flaky network conditions
> -----------------------------------------------------
>                 Key: GEODE-3948
>                 URL:
>             Project: Geode
>          Issue Type: Improvement
>          Components: cq, messaging
>            Reporter: Galen O'Sullivan
>            Assignee: Galen O'Sullivan
>            Priority: Minor
>              Labels: pull-request-available
> 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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