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Posted to issues@ignite.apache.org by "Ilya Kasnacheev (Jira)" <ji...@apache.org> on 2019/08/30 14:26:00 UTC
[jira] [Commented] (IGNITE-12131) MMAP mode should be disabled by
default for WAL manager
[ https://issues.apache.org/jira/browse/IGNITE-12131?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16919593#comment-16919593 ]
Ilya Kasnacheev commented on IGNITE-12131:
------------------------------------------
Can we please have a boolean property 'walMmap' on DataStorageConfiguration instead of IGNITE_ARCANE_INVOCATION variables?
> MMAP mode should be disabled by default for WAL manager
> -------------------------------------------------------
>
> Key: IGNITE-12131
> URL: https://issues.apache.org/jira/browse/IGNITE-12131
> Project: Ignite
> Issue Type: Improvement
> Reporter: Andrey Gura
> Assignee: Andrey Gura
> Priority: Major
> Fix For: 2.8
>
>
> MMAP mode has a bunch of problems (see for example http://www.mapdb.org/blog/mmap_files_alloc_and_jvm_crash/ )
> Users are increasingly stumbling over these issues especially in virtualized environments.
> MMAP should be disabled by default because it requires additional care from user stand point.
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