Tim Armstrong has posted comments on this change.

Change subject: IMPALA-4023: don't attach buffered tuple streams to batches
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Patch Set 5:

I ran into some problems with spilling_test, where it does run with the 
read_size < 8mb configuration we had spoken about.

As a solution I added in a new API that I think is the direction we'll need to 
go with buffer management, where ExecNodes have more control over when 
resources are flushed.

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Gerrit-MessageType: comment
Gerrit-Change-Id: I6471422f86ce71e4c6ab277a276000051bc2e8ff
Gerrit-PatchSet: 5
Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-Owner: Tim Armstrong <tarmstr...@cloudera.com>
Gerrit-Reviewer: Alex Behm <alex.b...@cloudera.com>
Gerrit-Reviewer: Dan Hecht <dhe...@cloudera.com>
Gerrit-Reviewer: Internal Jenkins
Gerrit-Reviewer: Michael Ho
Gerrit-Reviewer: Tim Armstrong <tarmstr...@cloudera.com>
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