You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@cassandra.apache.org by "Benedict (JIRA)" <ji...@apache.org> on 2018/11/29 15:09:00 UTC
[jira] [Assigned] (CASSANDRA-14666) Race condition in
AbstractReplicationStrategy.getNaturalReplicas
[ https://issues.apache.org/jira/browse/CASSANDRA-14666?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Benedict reassigned CASSANDRA-14666:
------------------------------------
Assignee: (was: Benedict)
> Race condition in AbstractReplicationStrategy.getNaturalReplicas
> ----------------------------------------------------------------
>
> Key: CASSANDRA-14666
> URL: https://issues.apache.org/jira/browse/CASSANDRA-14666
> Project: Cassandra
> Issue Type: Improvement
> Components: Distributed Metadata
> Reporter: Benedict
> Priority: Major
> Labels: correctness
> Fix For: 3.0.x, 3.11.x, 4.0.x
>
>
> There is a very narrow and infrequent race window, in which two ring updates occur in a short space of time (or during an interval of no queries):
> - thread A invalidates the cache after the first ring change, snapshots this version of the ring, and begins to calculate its natural endpoints
> - thread B sees the second ring change, and invalidates the cache before thread A completes
> - thread A writes its value to the cache, based on the old ring layout
> Now, a stale view of the endpoints for this token will be persisted in AbstractReplicationStrategy until the next ring change (which may feasibly never occur)
--
This message was sent by Atlassian JIRA
(v7.6.3#76005)
---------------------------------------------------------------------
To unsubscribe, e-mail: commits-unsubscribe@cassandra.apache.org
For additional commands, e-mail: commits-help@cassandra.apache.org