Michael Ho has posted comments on this change.

Change subject: IMPALA-3332: Free local allocations in sorter.
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Patch Set 1:

(1 comment)

http://gerrit.cloudera.org:8080/#/c/3116/1/testdata/workloads/functional-query/queries/QueryTest/spilling.test
File testdata/workloads/functional-query/queries/QueryTest/spilling.test:

Line 397: set max_block_mgr_memory=4m;
> What changed to make a difference here? This test has been running for a wh
I noticed that with 4M as the limit, the sort node actually consumes up to 900m 
of memory if no memory limit is set. If I just change it to 8M or higher, the 
peak consumption sticks to 8M or so even if no memory limit is set. I am still 
digging through the sort-node /sorter code to understand this behavior.


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Gerrit-MessageType: comment
Gerrit-Change-Id: I941729b4836e5dbb827d4313a0b45bc5df2fa8e1
Gerrit-PatchSet: 1
Gerrit-Project: Impala
Gerrit-Branch: cdh5-2.6.0_5.8.0
Gerrit-Owner: Michael Ho <[email protected]>
Gerrit-Reviewer: Michael Ho <[email protected]>
Gerrit-Reviewer: Tim Armstrong <[email protected]>
Gerrit-HasComments: Yes

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