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Posted to commits@cassandra.apache.org by "Eduard Tudenhoefner (JIRA)" <ji...@apache.org> on 2017/05/16 16:12:04 UTC
[jira] [Updated] (CASSANDRA-13533) ColumnIdentifier object size
wrong when tables are not flushed
[ https://issues.apache.org/jira/browse/CASSANDRA-13533?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Eduard Tudenhoefner updated CASSANDRA-13533:
--------------------------------------------
Since Version: 3.0.0
> ColumnIdentifier object size wrong when tables are not flushed
> --------------------------------------------------------------
>
> Key: CASSANDRA-13533
> URL: https://issues.apache.org/jira/browse/CASSANDRA-13533
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Reporter: Eduard Tudenhoefner
> Assignee: Eduard Tudenhoefner
>
> It turns out that the object size of {{ColumnIdentifier}} is wrong when *cassandra.test.flush_local_schema_changes: false*. This looks like stuff is being wrongly reused when no flush is happening.
> We only noticed this because we were using the prepared stmt cache and noticed that prepared statements would account for *1-6mb* when *cassandra.test.flush_local_schema_changes: false*. With *cassandra.test.flush_local_schema_changes: true* (which is the default) those would be around *5000 bytes*.
> Attached is a test that reproduces the problem and also a fix.
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