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https://issues.apache.org/jira/browse/SYSTEMML-2162?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matthias Boehm closed SYSTEMML-2162.
------------------------------------
Resolution: Fixed
Assignee: Matthias Boehm
Fix Version/s: SystemML 1.1
> Deserialization of compressed blocks w/ shared dictionary fails in Spark
> ------------------------------------------------------------------------
>
> Key: SYSTEMML-2162
> URL: https://issues.apache.org/jira/browse/SYSTEMML-2162
> Project: SystemML
> Issue Type: Bug
> Reporter: Matthias Boehm
> Assignee: Matthias Boehm
> Priority: Major
> Fix For: SystemML 1.1
>
>
> For very large datasets that exceed aggregate cluster memory, we
> automatically apply compression. However, in case blocks with shared DDC1
> dictionaries are evicted and subsequently deserialized this deserialization
> fails with mismatching number of bytes.
> {code}
> java.lang.IllegalStateException: unread block data
> at
> java.io.ObjectInputStream$BlockDataInputStream.setBlockDataMode(ObjectInputStream.java:2431)
> at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1383)
> at
> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2000)
> at
> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1924)
> at
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801)
> at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
> at java.io.ObjectInputStream.readObject(ObjectInputStream.java:371)
> {code}
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