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From "Karl Wright (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CONNECTORS-114) Derby seems too unstable in multithreaded situations to be a good database for ManifoldCF, so try to add support for HSQLDB
Date Sat, 02 Apr 2011 11:56:05 GMT

    [ https://issues.apache.org/jira/browse/CONNECTORS-114?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13015013#comment-13015013
] 

Karl Wright commented on CONNECTORS-114:
----------------------------------------

This is stalled, because HSQLDB is not yet ready for the kinds of demands that ManifoldCF
will put on it.  Working with Derby seems more appropriate since they've been able to respond
to bugs.


> Derby seems too unstable in multithreaded situations to be a good database for ManifoldCF,
so try to add support for HSQLDB
> ---------------------------------------------------------------------------------------------------------------------------
>
>                 Key: CONNECTORS-114
>                 URL: https://issues.apache.org/jira/browse/CONNECTORS-114
>             Project: ManifoldCF
>          Issue Type: Bug
>          Components: Framework core
>            Reporter: Karl Wright
>
> Derby seems to have multiple problems:
> (1) It has internal deadlocks, which even if caught cause poor performance due to stalling
(CONNECTORS-111);
> (2) It has no support for certain SQL constructs (CONNECTORS-109 and CONNECTORS-110);
> (3) It locks up entirely for some people (CONNECTORS-100).
> HSQLDB has been recommended as another potential embedded database that might work better.

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