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https://issues.apache.org/jira/browse/TEZ-3140?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15174372#comment-15174372
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Rohini Palaniswamy commented on TEZ-3140:
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bq. The test doesn't have too much to do with DagTypeConverters.
Yes. Could not find a appropriate test class to add to and looked like
overkill to create one class for that test considering it is forking a jvm for
each test class. Added that to TestDagTypeConverters as it had
testTezEntityDescriptorSerialization which tested the protobuf serialization
for EntityDescriptor and actually started writing this test copying over stuff
from that. So think it should not be that bad to leave it there considering
there are two tests that are related though not exactly to the test class. I
can move it to a separate class if you still think that would be more clean.
> Reduce AM memory usage while serialization
> ------------------------------------------
>
> Key: TEZ-3140
> URL: https://issues.apache.org/jira/browse/TEZ-3140
> Project: Apache Tez
> Issue Type: Improvement
> Reporter: Rohini Palaniswamy
> Assignee: Rohini Palaniswamy
> Fix For: 0.7.1, 0.8.3
>
> Attachments: TEZ-3140-1.patch, TEZ-3140-2.patch
>
>
> There is an unnecessary copy of userpayload byte array during
> serialization.
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