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https://issues.apache.org/jira/browse/GIRAPH-821?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13864628#comment-13864628
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Pavan Kumar commented on GIRAPH-821:
------------------------------------
The patch for testing was not included in the original patch since it requires
at least 2856MB of memory, and the test will break if such amount of memory is
not available on the client machine
> proper handling of NegativeArraySizeException for all ByteArray backed
> messagestores
> -------------------------------------------------------------------------------------
>
> Key: GIRAPH-821
> URL: https://issues.apache.org/jira/browse/GIRAPH-821
> Project: Giraph
> Issue Type: Improvement
> Reporter: Pavan Kumar
> Assignee: Pavan Kumar
> Priority: Minor
> Labels: giraph
> Attachments: GIRAPH-821.patch, Testing.patch
>
>
> For byte array backed message stores (i.e. LongByteArrayMessageStore,
> ByteArrayMessagesPerVertexMessageStore, and IntByteArrayMessageStore)
> currently, when the byte[] of underlying ExtendedDataOuput runs out of space
> (i.e. UnsafeByteArrayOutputStream) we see
> java.lang.NegativeArraySizeException in the SendWorkerMessagesRequest. We
> want to catch the exception dump the known vertex information and explain the
> issue (the amount of bytes sent to this vertex exceeded the max capacity
> of this ExtendedDataOutput). In this diff all ByteArray backed
> messagestores have been modified to behave as explained.
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