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Posted to commits@cassandra.apache.org by "Lee Tang (Jira)" <ji...@apache.org> on 2020/09/10 00:18:00 UTC
[jira] [Commented] (CASSANDRA-16116) Emit a metric for mutations
that are too large in commit logs
[ https://issues.apache.org/jira/browse/CASSANDRA-16116?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17193263#comment-17193263 ]
Lee Tang commented on CASSANDRA-16116:
--------------------------------------
https://github.com/apache/cassandra/pull/743
> Emit a metric for mutations that are too large in commit logs
> -------------------------------------------------------------
>
> Key: CASSANDRA-16116
> URL: https://issues.apache.org/jira/browse/CASSANDRA-16116
> Project: Cassandra
> Issue Type: Task
> Components: Observability/Metrics
> Reporter: Lee Tang
> Assignee: Lee Tang
> Priority: Low
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Huge memory allocations can cause GC thrashing and a lot of write timeouts. Having a metric in the commit log allows us to react faster and discern why write timeouts are happening.
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