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Posted to issues@geode.apache.org by "Barry Oglesby (Jira)" <ji...@apache.org> on 2019/08/26 17:14:00 UTC
[jira] [Resolved] (GEODE-7066) Events can be lost in a gateway
batch containing duplicate non-conflatable events with conflation enabled
[ https://issues.apache.org/jira/browse/GEODE-7066?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Barry Oglesby resolved GEODE-7066.
----------------------------------
Fix Version/s: 1.10.0
Resolution: Fixed
> Events can be lost in a gateway batch containing duplicate non-conflatable events with conflation enabled
> ---------------------------------------------------------------------------------------------------------
>
> Key: GEODE-7066
> URL: https://issues.apache.org/jira/browse/GEODE-7066
> Project: Geode
> Issue Type: Bug
> Components: wan
> Affects Versions: 1.9.0
> Reporter: Barry Oglesby
> Assignee: Barry Oglesby
> Priority: Major
> Fix For: 1.10.0
>
> Time Spent: 1h
> Remaining Estimate: 0h
>
> If a batch contains duplicate CREATE and DESTROY events on key 1736 like below and conflation is enabled, the earlier events will be overwritten by the later events.
> {noformat}
> GatewaySenderEventImpl[id=EventID[id=31bytes;threadID=0x30004|6;sequenceID=6072];operation=CREATE;region=/SESSIONS;key=6079],
> GatewaySenderEventImpl[id=EventID[id=31bytes;threadID=0x30004|6;sequenceID=6073];operation=UPDATE;region=/SESSIONS;key=6079],
> GatewaySenderEventImpl[id=EventID[id=31bytes;threadID=0x30004|5;sequenceID=6009];operation=CREATE;region=/SESSIONS;key=1736],
> GatewaySenderEventImpl[id=EventID[id=31bytes;threadID=0x30004|6;sequenceID=6074];operation=DESTROY;region=/SESSIONS;key=6079],
> GatewaySenderEventImpl[id=EventID[id=31bytes;threadID=0x30004|5;sequenceID=6011];operation=DESTROY;region=/SESSIONS;key=1736],
> GatewaySenderEventImpl[id=EventID[id=31bytes;threadID=0x30004|6;sequenceID=6087];operation=CREATE;region=/SESSIONS;key=1736],
> GatewaySenderEventImpl[id=EventID[id=31bytes;threadID=0x30004|6;sequenceID=6089];operation=DESTROY;region=/SESSIONS;key=1736]
> {noformat}
> The batch will look like this after conflation:
> {noformat}
> GatewaySenderEventImpl[id=EventID[id=31 bytes;threadID=0x30004|6;sequenceID=6072];operation=CREATE;region=/SESSIONS;key=6079],
> GatewaySenderEventImpl[id=EventID[id=31 bytes;threadID=0x30004|6;sequenceID=6073];operation=UPDATE;region=/SESSIONS;key=6079],
> GatewaySenderEventImpl[id=EventID[id=31 bytes;threadID=0x30004|6;sequenceID=6087];operation=CREATE;region=/SESSIONS;key=1736],
> GatewaySenderEventImpl[id=EventID[id=31 bytes;threadID=0x30004|6;sequenceID=6074];operation=DESTROY;region=/SESSIONS;key=6079],
> GatewaySenderEventImpl[id=EventID[id=31 bytes;threadID=0x30004|6;sequenceID=6089];operation=DESTROY;region=/SESSIONS;key=1736]
> {noformat}
> All the events from threadID=0x30004|5 are gone.
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