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From "Stefania (JIRA)" <>
Subject [jira] [Commented] (CASSANDRA-8897) Remove FileCacheService, instead pooling the buffers
Date Sat, 06 Jun 2015 12:07:01 GMT


Stefania commented on CASSANDRA-8897:

Hi [~benedict], thank you for taking the time to improve the burn test, it's in much better
shape now.

I've integrated all your suggestions, which do make a lot of sense, and rebased. I made a
couple of changes, nothing of significance, last two commits on the branch.

All tests are good, CI results:

A couple of cperf tests:

Burn test ran for 30 minutes on my box with no errors reported.

> Remove FileCacheService, instead pooling the buffers
> ----------------------------------------------------
>                 Key: CASSANDRA-8897
>                 URL:
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>            Reporter: Benedict
>            Assignee: Stefania
>             Fix For: 3.x
>         Attachments: 8897.yaml, 9240_test_results.txt, snapshot-1431582436640-cpu-backtraces.png,
snapshot-1431582436640-cpu-calltree-compression-8897.nps, snapshot-1431582436640-cpu-calltree-compression-trunk.nps
> After CASSANDRA-8893, a RAR will be a very lightweight object and will not need caching,
so we can eliminate this cache entirely. Instead we should have a pool of buffers that are

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