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From "Marcus Eriksson (JIRA)" <>
Subject [jira] [Commented] (CASSANDRA-10843) compaction data_size_tests are failing
Date Wed, 20 Jan 2016 12:27:40 GMT


Marcus Eriksson commented on CASSANDRA-10843:

I think this slight increase in live size is OK - seems we flush to a single sstable on cassci
(more memory than locally I guess), then running a compaction can increase the live size slightly

Patch to allow 5% increase in live size:

> compaction data_size_tests are failing
> --------------------------------------
>                 Key: CASSANDRA-10843
>                 URL:
>             Project: Cassandra
>          Issue Type: Sub-task
>          Components: Compaction, Testing
>            Reporter: Philip Thompson
>            Assignee: Marcus Eriksson
>             Fix For: 2.1.x, 2.2.x
> {{compaction_test.TestCompaction_with_LeveledCompactionStrategy.data_size_test}} as well
as the data_size tests for STCS and DTCS are failing. See
> These tests write out some data, check live size, compact, then check live size again.
On 2.1 and 2.2, we are seeing an increase in live size after the compaction. This is not occurring
on 3.0. I cannot reproduce locally on OSX.

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