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Posted to commits@cassandra.apache.org by "Jordan West (JIRA)" <ji...@apache.org> on 2018/09/24 21:47:00 UTC
[jira] [Updated] (CASSANDRA-14782) Make
DatabaseDescriptor.getNativeTransportMaxFrameSize() a hotprop
[ https://issues.apache.org/jira/browse/CASSANDRA-14782?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jordan West updated CASSANDRA-14782:
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Summary: Make DatabaseDescriptor.getNativeTransportMaxFrameSize() a hotprop (was: Large mutations can wreak havoc before being rejected by the commit log)
> Make DatabaseDescriptor.getNativeTransportMaxFrameSize() a hotprop
> ------------------------------------------------------------------
>
> Key: CASSANDRA-14782
> URL: https://issues.apache.org/jira/browse/CASSANDRA-14782
> Project: Cassandra
> Issue Type: Bug
> Reporter: Jordan West
> Priority: Major
>
> Large mutations are rejected by the commit log (https://github.com/apache/cassandra/blob/cassandra-3.0/src/java/org/apache/cassandra/db/commitlog/CommitLog.java#L254) but when {{totalSize}} is significantly greater than the {{MAX_MUTATION_SIZE}} the damage to the node may already done. Large mutations cause large buffers to be allocated and can lead to GC trashing and generally bad node health.
> It should be possible to set a size above which the native protocol rejects messages without materializing them into objects and passing them downstream.
>
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