Marcel Kornacker has posted comments on this change.

Change subject: IMPALA-3007: Adjust Bloom Filter size according to NDV estimate
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Patch Set 1:

(3 comments)

http://gerrit.cloudera.org:8080/#/c/2812/1/be/src/exec/old-hash-table.cc
File be/src/exec/old-hash-table.cc:

Line 159:           RawValue::GetHashValue(e, 
build_expr_ctxs_[i]->root()->type(),
oops. this didn't cause tests to fail?


http://gerrit.cloudera.org:8080/#/c/2812/1/testdata/workloads/functional-query/queries/QueryTest/runtime_filters.test
File testdata/workloads/functional-query/queries/QueryTest/runtime_filters.test:

Line 362:     join (select * from l LIMIT 2000000) b on a.l_orderkey = 
-b.l_orderkey;
> pick a number that'll exceed the size limit
?


http://gerrit.cloudera.org:8080/#/c/2812/1/testdata/workloads/functional-query/queries/QueryTest/runtime_filters_wait.test
File 
testdata/workloads/functional-query/queries/QueryTest/runtime_filters_wait.test:

Line 37: row_regex: .*0 of 1 Runtime Filters Produced.*
> What would you prefer? In a certain sense, something did go wrong (we guess
it sounds like something might still happen. how about "0 filters published, 1 
filter disabled"? that way it's clear that this was intentional.


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Gerrit-MessageType: comment
Gerrit-Change-Id: I1fe37b8d4cfb3c52bb8e8cf0ca55e92665b87803
Gerrit-PatchSet: 1
Gerrit-Project: Impala
Gerrit-Branch: cdh5-trunk
Gerrit-Owner: Henry Robinson <[email protected]>
Gerrit-Reviewer: Henry Robinson <[email protected]>
Gerrit-Reviewer: Marcel Kornacker <[email protected]>
Gerrit-Reviewer: Mostafa Mokhtar <[email protected]>
Gerrit-HasComments: Yes

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