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https://issues.apache.org/jira/browse/SYSTEMML-2482?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16567464#comment-16567464
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Matthias Boehm commented on SYSTEMML-2482:
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OK I think you were talking about unnecessary evictions. The reason was that
paramserv relies on the status of list objects which is no longer used or
maintained. However, I now temporarily enabled it again for paramserv to
restore the original behavior. Down the road we should completely remove this
status and all related usage.
> Unexpected cleanup of list object
> ---------------------------------
>
> Key: SYSTEMML-2482
> URL: https://issues.apache.org/jira/browse/SYSTEMML-2482
> Project: SystemML
> Issue Type: Bug
> Reporter: LI Guobao
> Priority: Major
>
> Some unexpected overhead occurred when running the
> {{*testParamservASPEpochDisjointContiguous*}} in test
> {{*org.apache.sysml.test.integration.functions.paramserv.ParamservSparkNNTest*}}.
> It took more time to finish the test in the case that the output of
> instruction is a list which will be cleaned up after the execution. However,
> the matrices referenced by the list should be pinned to avoid being cleaned
> up. And this issue is related to
> [SYSTEMML-2481|https://issues.apache.org/jira/browse/SYSTEMML-2481]
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