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From "Thilo Goetz (JIRA)" <uima-...@incubator.apache.org>
Subject [jira] Commented: (UIMA-1426) More control for apps against OOMs from UIMA core: Add configuration option to set the maximum heap size the CAS will grow to
Date Wed, 12 Aug 2009 05:29:14 GMT

    [ https://issues.apache.org/jira/browse/UIMA-1426?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12742225#action_12742225
] 

Thilo Goetz commented on UIMA-1426:
-----------------------------------

No, let's leave open (unless somebody else wants a go).

> More control for apps against OOMs from UIMA core: Add configuration option to set the
maximum heap size the CAS will grow to
> -----------------------------------------------------------------------------------------------------------------------------
>
>                 Key: UIMA-1426
>                 URL: https://issues.apache.org/jira/browse/UIMA-1426
>             Project: UIMA
>          Issue Type: Improvement
>          Components: Core Java Framework
>            Reporter: Thomas Hampp
>
> Applications need to protect themselves against out of memory exceptions (OOMs). UIMA
should help with that by making sure a growth in the CAS heap size will not cause an OOM.
One way to do this is to add a config param that controls the maximum heap size for a CAS
and throw a runtime exception if that threshold is exceeded.
> Since apps often use multiple CASes in pools in multihreaded fashion they would still
need to exercise some app specific math (and guesswork) to determine the right value for this
param. But at least they would be able to have some control.
> (There could still be OOMs during UIMA processing from other sources)

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