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https://issues.apache.org/jira/browse/GEODE-9640?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17427374#comment-17427374
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ASF subversion and git services commented on GEODE-9640:
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Commit 227ce9c313e77269cf481294d0c512c7edb79b68 in geode's branch
refs/heads/support/1.12 from Eric Shu
[ https://gitbox.apache.org/repos/asf?p=geode.git;h=227ce9c ]
GEODE-9640: Initiate threadId in EventID. (#6905)
* This is to make sure a new EventID can be generated after server restarted
after a whole cluster is shut down.
* Wrap around original threadID before it interferes with bulkOp or wan
generated threadID.
(cherry picked from commit 4b3c49e788157df94f7d3e4b455adb7a6eaef96b)
> When cluster shut down completely and restarted, new operations may be lost
> on client
> -------------------------------------------------------------------------------------
>
> Key: GEODE-9640
> URL: https://issues.apache.org/jira/browse/GEODE-9640
> Project: Geode
> Issue Type: Bug
> Components: client/server
> Reporter: Eric Shu
> Assignee: Eric Shu
> Priority: Major
> Labels: GeodeOperationAPI, needsTriage, pull-request-available
>
> In Geode, client keeps track of events received based on EventID. If
> duplicate events received from server, they are thrown away.
> The current EventID takes parts of membership ID information, and it seems
> not adequate enough if whole cluster is down. (The coordinator is down and
> member viewId will start from 0 again.) This can lead to same event ids are
> generated, and cause client miss CQ events, etc.
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