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From "Tim Armstrong (Code Review)" <>
Subject [Impala-CR](cdh5-trunk) IMPALA-3344: Simplify sorter and document/enforce invariants.
Date Tue, 31 May 2016 23:04:38 GMT
Tim Armstrong has posted comments on this change.

Change subject: IMPALA-3344: Simplify sorter and document/enforce invariants.

Patch Set 16:

File be/src/runtime/

Line 102: in a batch
> from 'batch'

Line 159: runs
> 'runs'

Line 159: vector
> 'runs' (not necessarily a vector).

Line 720:   var_len_copy_block_ = NULL;
> okay to ignore, but maybe move this to line 673, and then the DCHECK at L68

Line 1055: tuple_
> is this referring to the member (tuple_) or should it just say tuple?
It was a typo

Line 1458: 
> remove extraneous blank line
File be/src/runtime/sorter.h:

Line 52:  
> a
File testdata/workloads/functional-query/queries/QueryTest/analytic-fns.test:

Line 1588: SET max_block_mgr_memory=36m;
> why did this change?
see below.

Line 1596: SET max_block_mgr_memory=64m;
> and this? did something change in your last patch to necessitate this?
I tuned it locally, but the first time around I accidentally had the mini-cluster leftover
from test_spilling, which has a tiny block size. Meant to leave a comment but forgot.

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Gerrit-MessageType: comment
Gerrit-Change-Id: I9c619e81fd1b8ac50e257172c8bce101a112b52a
Gerrit-PatchSet: 16
Gerrit-Project: Impala
Gerrit-Branch: cdh5-trunk
Gerrit-Owner: Tim Armstrong <>
Gerrit-Reviewer: Dan Hecht <>
Gerrit-Reviewer: Matthew Jacobs <>
Gerrit-Reviewer: Tim Armstrong <>
Gerrit-HasComments: Yes

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