[jira] Updated: (CASSANDRA-208) OOM intermittently during compaction

["Michael Greene (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CASSANDRA-208?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael Greene updated CASSANDRA-208:
-------------------------------------

    Component/s: Core

> OOM intermittently during compaction
> ------------------------------------
>
>                 Key: CASSANDRA-208
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-208
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>         Environment: arch: x86_64
> os: Linux version 2.6.18-92.1.22.el5 
> java: nio2-ea-bin-b99-linux-x64-05_feb_2009
>            Reporter: Jiansheng Huang
>            Assignee: Jonathan Ellis
>            Priority: Critical
>             Fix For: 0.4
>
>         Attachments: 0001-CASSANDRA-208-cleanup.txt, 0002-r-m-touch.txt, 0003-split-sstable-into-data-index-and-bloom-filter-files.txt, 0004-fix-ColumnReader-add-tests.patch, 0005-fix-test-order-dependent-failures.patch, 208-2.patch, 208-3.patch, 208.patch
>
>
> jvm crashes intermittently during compaction. Our test data set is not that big, less than 10 GB.
> When jvm is about to crash, we see that it consumes a lot of memory (exceeding the max heap size).
> The excessive memory usage during compaction is caused by the maintenance of blockIndexes_ in SSTable. this blockIndexes_ was only introduced to the apache version.

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