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Posted to commits@cassandra.apache.org by "Marcus Eriksson (Jira)" <ji...@apache.org> on 2021/11/24 08:21:00 UTC
[jira] [Updated] (CASSANDRA-17168) Don't block gossip when clearing snapshots for failing repairs
[ https://issues.apache.org/jira/browse/CASSANDRA-17168?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Marcus Eriksson updated CASSANDRA-17168:
----------------------------------------
Bug Category: Parent values: Availability(12983)Level 1 values: Unavailable(12994)
Complexity: Normal
Component/s: Consistency/Repair
Discovered By: Adhoc Test
Fix Version/s: 4.0.x
4.x
Reviewers: David Capwell
Severity: Normal
Status: Open (was: Triage Needed)
trunk:
https://github.com/apache/cassandra/pull/1340
https://app.circleci.com/pipelines/github/krummas/cassandra?branch=marcuse%2F17168-trunk
4.0:
https://github.com/apache/cassandra/pull/1341
https://app.circleci.com/pipelines/github/krummas/cassandra?branch=marcuse%2F17168
note that the trunk version includes a change to the PREPARE message to include repair parallelism instead of setting a flag on ParentRepairSession
> Don't block gossip when clearing snapshots for failing repairs
> --------------------------------------------------------------
>
> Key: CASSANDRA-17168
> URL: https://issues.apache.org/jira/browse/CASSANDRA-17168
> Project: Cassandra
> Issue Type: Bug
> Components: Consistency/Repair
> Reporter: Marcus Eriksson
> Assignee: Marcus Eriksson
> Priority: Normal
> Fix For: 4.0.x, 4.x
>
>
> We clear snapshots in the GossipTasks thread when a repair session fails due to a replica shutting down. If there are many tables/repair sessions ongoing this can take a long time. With enough tables being repaired at the same time even checking if the snapshots exists can take long enough to mark nodes down.
> We should clear snapshots in a separate thread and add a flag to tell us whether this repair session can have snapshots to avoid checking if the directory exists.
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