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Posted to issues@systemml.apache.org by "Matthias Boehm (JIRA)" <ji...@apache.org> on 2016/10/12 07:37:20 UTC

[jira] [Created] (SYSTEMML-1032) Bufferpool integer size overflow w/ entries >2GB

Matthias Boehm created SYSTEMML-1032:
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             Summary: Bufferpool integer size overflow w/ entries >2GB
                 Key: SYSTEMML-1032
                 URL: https://issues.apache.org/jira/browse/SYSTEMML-1032
             Project: SystemML
          Issue Type: Bug
    Affects Versions: SystemML 0.11
            Reporter: Matthias Boehm
            Assignee: Matthias Boehm
            Priority: Blocker


The recent buffer pool integration of frames in SYSTEMML-968 introduced a buffer pool integer overflow. This only shows up with heap sizes >13.5GB, entries >2GB, and shallow serialize (dense or CSR). Potential errors are OOMs or {{NoSuchElementException}} from the buffer pool on eviction as the buffer pool cannot be cleaned to size 0 anymore.  



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