[
https://issues.apache.org/jira/browse/CASSANDRA-21209?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Stefan Miklosovic updated CASSANDRA-21209:
------------------------------------------
Bug Category: Parent values: Code(13163)
Complexity: Low Hanging Fruit
Discovered By: User Report
Fix Version/s: 5.x
Severity: Low
Assignee: Stefan Miklosovic
Status: Open (was: Triage Needed)
> Fix exception when training ZSTD compression dictionary and using bigger
> buffer for sampling data than possible to create
> -------------------------------------------------------------------------------------------------------------------------
>
> Key: CASSANDRA-21209
> URL: https://issues.apache.org/jira/browse/CASSANDRA-21209
> Project: Apache Cassandra
> Issue Type: Bug
> Components: Feature/Compression
> Reporter: Stefan Miklosovic
> Assignee: Stefan Miklosovic
> Priority: Normal
> Fix For: 5.x
>
>
> We can specify how much sampling data there should be for training of a
> dictionary. The buffer for training is a direct buffer. If we say that we
> will be training on 2GiB, then it will try to create a direct buffer of size
> 2GiB.
> This problem is visible e.g. when starting Cassandra via IDEA which uses 1GiB
> heap. I think how it works is that max direct memory size for JVM is
> basically same as xmx so it will fail.
> The fix would consist of wrapping creation of that buffer in a try-catch and
> propagate the error in some sanitized way up to a caller informing them it is
> not possible to create such a big sampling buffer.
--
This message was sent by Atlassian Jira
(v8.20.10#820010)
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
