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Posted to commits@cassandra.apache.org by "Stefan Podkowinski (JIRA)" <ji...@apache.org> on 2018/02/20 12:32:00 UTC
[jira] [Updated] (CASSANDRA-12870) Calculate pending ranges for
identical KS settings just once
[ https://issues.apache.org/jira/browse/CASSANDRA-12870?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Stefan Podkowinski updated CASSANDRA-12870:
-------------------------------------------
Assignee: (was: Stefan Podkowinski)
Fix Version/s: (was: 4.x)
Status: Open (was: Patch Available)
> Calculate pending ranges for identical KS settings just once
> ------------------------------------------------------------
>
> Key: CASSANDRA-12870
> URL: https://issues.apache.org/jira/browse/CASSANDRA-12870
> Project: Cassandra
> Issue Type: Improvement
> Components: Core
> Reporter: Stefan Podkowinski
> Priority: Major
>
> The {{TokenMetadata.calculatePendingRanges()}} operation can be very expensive and already has been subject to micro optimization in CASSANDRA-9258. Instead of further optimizing the calculation itself, I'd like to prevent it from being executed as often by only calling it just once for all keyspaces sharing identical replication settings.
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