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Posted to issues@systemml.apache.org by "Matthias Boehm (JIRA)" <ji...@apache.org> on 2016/09/29 20:58:21 UTC
[jira] [Closed] (SYSTEMML-968) Missing bufferpool eviction of
frames
[ https://issues.apache.org/jira/browse/SYSTEMML-968?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Matthias Boehm closed SYSTEMML-968.
-----------------------------------
> Missing bufferpool eviction of frames
> -------------------------------------
>
> Key: SYSTEMML-968
> URL: https://issues.apache.org/jira/browse/SYSTEMML-968
> Project: SystemML
> Issue Type: Bug
> Affects Versions: SystemML 0.11
> Reporter: Matthias Boehm
> Assignee: Matthias Boehm
> Priority: Blocker
> Fix For: SystemML 0.11
>
>
> Frames have been integrated into the buffer pool. However, the implementation of getInMemorySize and getExactSerializedSize always returns 1 which means that frame are effectively never evicted. This is problematic as it leads to out-of-memory errors.
> This task tracks the proper full integration of frames into the buffer pool which entails (1) an implementation of size estimation methods, and (2) the fix of the input/output code path in order to prevent the usage of FastBufferDataInputStream and FastBufferedDataOutputStream for frames because these streams do not implement readUTF/writeUTF.
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