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From "Kim van der Riet (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (QPID-7651) [linearstore] Using write page cache sizes of 1 and 2 (kiB) cause floating point exception on startup
Date Wed, 01 Feb 2017 16:21:51 GMT

    [ https://issues.apache.org/jira/browse/QPID-7651?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15848429#comment-15848429
] 

Kim van der Riet edited comment on QPID-7651 at 2/1/17 4:21 PM:
----------------------------------------------------------------

Changed logic to only allow powers of 2 between 4 and 128 for the --wcache-page-size parameter.


was (Author: kpvdr):
Changed logic to only allow powers of 2 between 4 and 128 for the --wcache-num-pages parameter.

> [linearstore] Using write page cache sizes of 1 and 2 (kiB) cause floating point exception
on startup
> -----------------------------------------------------------------------------------------------------
>
>                 Key: QPID-7651
>                 URL: https://issues.apache.org/jira/browse/QPID-7651
>             Project: Qpid
>          Issue Type: Bug
>          Components: C++ Broker
>            Reporter: Kim van der Riet
>            Assignee: Kim van der Riet
>
> The help for linearstore parameter wcache-page-size indicates that legal values are powers
of 2 between 1 and 128. In addition, the validation for this parameter allows these values.
However, the minimum value should be 4, and using either 1 or 2 as a value will cause a floating
point exception when the broker is started.



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