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https://issues.apache.org/jira/browse/GEODE-8546?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17225415#comment-17225415
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ASF GitHub Bot commented on GEODE-8546:
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mkevo commented on pull request #5590:
URL: https://github.com/apache/geode/pull/5590#issuecomment-721092745
Hi @kohlmu-pivotal ,
We are trying to write a test, but without success.
@DonalEvans suggest us to use **PartitionListener interface**, specifically,
overriding the afterBucketCreated() method to artificially slow down colocation
and make it possible to hit the issue more easily. But we don't have an idea
how to slow down colocation. We hit the issue only if we add sleep for more
than 15 seconds, but it is hardcoded and fix will not working it as it will
always wait for hardcoded value.
If you or someone else can help with this, we will appreciate it. If you
want I can send you detail steps how to reproduce the issue locally via mail.
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> Colocated regions missing some buckets after restart
> ----------------------------------------------------
>
> Key: GEODE-8546
> URL: https://issues.apache.org/jira/browse/GEODE-8546
> Project: Geode
> Issue Type: Bug
> Components: regions
> Affects Versions: 1.11.0, 1.12.0, 1.13.0
> Reporter: Mario Kevo
> Assignee: Mario Kevo
> Priority: Major
> Labels: pull-request-available
>
> After restart all servers at the same time, some colocation regions missing
> some buckets.
> This issue exist for a long time and become visible from 1.11.0 by
> introducing this changes GEODE-7042 .
> How to reproduce the issue:
> # Start two locators and two servers
> # Create PARTITION_REDUNDANT_PERSISTENT region with redundant-copies=1
> # Create few PARTITION_REDUNDANT regions(I used six regions) colocated with
> persistent region and redundant-copies=1
> # Put some entries.
> # Restart servers(you can simply run "kill -15 <server_pids>" and then from
> two terminals start both of them at the same time)
> # It will take a time to get server startup finished and for the latest
> region bucketCount will be lower than expected on one member
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