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Posted to reviews@impala.apache.org by "Alex Behm (Code Review)" <ge...@cloudera.org> on 2016/10/28 17:59:40 UTC

[Impala-ASF-CR] Add functional tests for compute stats with mt dop > 0.

Alex Behm has uploaded a new change for review.

  http://gerrit.cloudera.org:8080/4879

Change subject: Add functional tests for compute stats with mt_dop > 0.
......................................................................

Add functional tests for compute stats with mt_dop > 0.

Change-Id: Icd4e7e44f9f23f66e59ad1fb298e13da76ad817a
---
A testdata/workloads/functional-query/queries/QueryTest/mt-dop-compute-stats.test
M tests/query_test/test_mt_dop.py
2 files changed, 20 insertions(+), 1 deletion(-)


  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/79/4879/1
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Gerrit-MessageType: newchange
Gerrit-Change-Id: Icd4e7e44f9f23f66e59ad1fb298e13da76ad817a
Gerrit-PatchSet: 1
Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-Owner: Alex Behm <al...@cloudera.com>

[Impala-ASF-CR] Add functional tests for compute stats with mt dop > 0.

Posted by "Marcel Kornacker (Code Review)" <ge...@cloudera.org>.
Marcel Kornacker has posted comments on this change.

Change subject: Add functional tests for compute stats with mt_dop > 0.
......................................................................


Patch Set 3: Code-Review+2

(1 comment)

http://gerrit.cloudera.org:8080/#/c/4879/3/testdata/workloads/functional-query/queries/QueryTest/mt-dop-compute-stats.test
File testdata/workloads/functional-query/queries/QueryTest/mt-dop-compute-stats.test:

Line 3: compute stats alltypes
> The existing compute stats test does not systematically run on all file for
works for me, i just wanted to make sure we have enough coverage to release it as "mt works for compute stats".


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[Impala-ASF-CR] Add functional tests for compute stats with mt dop > 0.

Posted by "Lars Volker (Code Review)" <ge...@cloudera.org>.
Lars Volker has posted comments on this change.

Change subject: Add functional tests for compute stats with mt_dop > 0.
......................................................................


Patch Set 3: Code-Review+1

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[Impala-ASF-CR] Add functional tests for compute stats with mt dop > 0.

Posted by "Alex Behm (Code Review)" <ge...@cloudera.org>.
Alex Behm has posted comments on this change.

Change subject: Add functional tests for compute stats with mt_dop > 0.
......................................................................


Patch Set 3:

(1 comment)

http://gerrit.cloudera.org:8080/#/c/4879/3/testdata/workloads/functional-query/queries/QueryTest/mt-dop-compute-stats.test
File testdata/workloads/functional-query/queries/QueryTest/mt-dop-compute-stats.test:

Line 3: compute stats alltypes
> works for me, i just wanted to make sure we have enough coverage to release
fair point, I don't think it gives us complete confidence, but we do get basic functional coverage and a guard against regressions


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[Impala-ASF-CR] Add functional tests for compute stats with mt dop > 0.

Posted by "Marcel Kornacker (Code Review)" <ge...@cloudera.org>.
Marcel Kornacker has posted comments on this change.

Change subject: Add functional tests for compute stats with mt_dop > 0.
......................................................................


Patch Set 3:

(2 comments)

http://gerrit.cloudera.org:8080/#/c/4879/3/testdata/workloads/functional-query/queries/QueryTest/mt-dop-compute-stats.test
File testdata/workloads/functional-query/queries/QueryTest/mt-dop-compute-stats.test:

Line 3: compute stats alltypes
why create this test case instead of running the existing 'compute stats' tests?


http://gerrit.cloudera.org:8080/#/c/4879/3/tests/query_test/test_mt_dop.py
File tests/query_test/test_mt_dop.py:

Line 34:     # IMPALA-4332: The MT scheduler does not work for Kudu or HBase tables.
just a reminder: this will change with the next set of coordinator changes.


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[Impala-ASF-CR] Add functional tests for compute stats with mt dop > 0.

Posted by "Alex Behm (Code Review)" <ge...@cloudera.org>.
Alex Behm has uploaded a new patch set (#3).

Change subject: Add functional tests for compute stats with mt_dop > 0.
......................................................................

Add functional tests for compute stats with mt_dop > 0.

Change-Id: Icd4e7e44f9f23f66e59ad1fb298e13da76ad817a
---
A testdata/workloads/functional-query/queries/QueryTest/mt-dop-compute-stats.test
M tests/query_test/test_mt_dop.py
2 files changed, 21 insertions(+), 3 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/79/4879/3
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Gerrit-Change-Id: Icd4e7e44f9f23f66e59ad1fb298e13da76ad817a
Gerrit-PatchSet: 3
Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-Owner: Alex Behm <al...@cloudera.com>
Gerrit-Reviewer: Alex Behm <al...@cloudera.com>
Gerrit-Reviewer: Lars Volker <lv...@cloudera.com>

[Impala-ASF-CR] Add functional tests for compute stats with mt dop > 0.

Posted by "Alex Behm (Code Review)" <ge...@cloudera.org>.
Alex Behm has posted comments on this change.

Change subject: Add functional tests for compute stats with mt_dop > 0.
......................................................................


Patch Set 1:

(2 comments)

http://gerrit.cloudera.org:8080/#/c/4879/1/tests/query_test/test_mt_dop.py
File tests/query_test/test_mt_dop.py:

PS1, Line 52: location
> Maybe add a comment "Create a second table pointing to the same data files"
Done


http://gerrit.cloudera.org:8080/#/c/4879/2/tests/query_test/test_mt_dop.py
File tests/query_test/test_mt_dop.py:

PS2, Line 50: tion("
> format
Done


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[Impala-ASF-CR] Add functional tests for compute stats with mt dop > 0.

Posted by "Alex Behm (Code Review)" <ge...@cloudera.org>.
Hello Marcel Kornacker, Lars Volker,

I'd like you to reexamine a change.  Please visit

    http://gerrit.cloudera.org:8080/4879

to look at the new patch set (#4).

Change subject: Add functional tests for compute stats with mt_dop > 0.
......................................................................

Add functional tests for compute stats with mt_dop > 0.

Change-Id: Icd4e7e44f9f23f66e59ad1fb298e13da76ad817a
---
A testdata/workloads/functional-query/queries/QueryTest/mt-dop-compute-stats.test
M tests/query_test/test_mt_dop.py
2 files changed, 23 insertions(+), 3 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/79/4879/4
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[Impala-ASF-CR] Add functional tests for compute stats with mt dop > 0.

Posted by "Alex Behm (Code Review)" <ge...@cloudera.org>.
Alex Behm has posted comments on this change.

Change subject: Add functional tests for compute stats with mt_dop > 0.
......................................................................


Patch Set 3: Code-Review-2

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[Impala-ASF-CR] Add functional tests for compute stats with mt dop > 0.

Posted by "Alex Behm (Code Review)" <ge...@cloudera.org>.
Alex Behm has posted comments on this change.

Change subject: Add functional tests for compute stats with mt_dop > 0.
......................................................................


Patch Set 3:

(2 comments)

http://gerrit.cloudera.org:8080/#/c/4879/3/testdata/workloads/functional-query/queries/QueryTest/mt-dop-compute-stats.test
File testdata/workloads/functional-query/queries/QueryTest/mt-dop-compute-stats.test:

Line 3: compute stats alltypes
> why create this test case instead of running the existing 'compute stats' t
The existing compute stats test does not systematically run on all file formats, and several of the .test files have insert/ctas that don't work with mt_dop. Refactoring the existing test_compute_stats.py and .test file seemed much harder. I'm not even sure we want to run all the obscure regression tests with mt_dop as well.

I'm happy to refactor the existing tests if you feel strongly, but that's going to take some time.


http://gerrit.cloudera.org:8080/#/c/4879/3/tests/query_test/test_mt_dop.py
File tests/query_test/test_mt_dop.py:

Line 34:     # IMPALA-4332: The MT scheduler does not work for Kudu or HBase tables.
> just a reminder: this will change with the next set of coordinator changes.
Thanks. On my radar.


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[Impala-ASF-CR] Add functional tests for compute stats with mt dop > 0.

Posted by "Internal Jenkins (Code Review)" <ge...@cloudera.org>.
Internal Jenkins has posted comments on this change.

Change subject: Add functional tests for compute stats with mt_dop > 0.
......................................................................


Patch Set 4: Verified-1

Build failed: http://sandbox.jenkins.cloudera.com/job/impala-external-gerrit-verify-merge-ASF/397/

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[Impala-ASF-CR] Add functional tests for compute stats with mt dop > 0.

Posted by "Alex Behm (Code Review)" <ge...@cloudera.org>.
Alex Behm has uploaded a new patch set (#2).

Change subject: Add functional tests for compute stats with mt_dop > 0.
......................................................................

Add functional tests for compute stats with mt_dop > 0.

Change-Id: Icd4e7e44f9f23f66e59ad1fb298e13da76ad817a
---
A testdata/workloads/functional-query/queries/QueryTest/mt-dop-compute-stats.test
M tests/query_test/test_mt_dop.py
2 files changed, 20 insertions(+), 3 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/79/4879/2
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Gerrit-Change-Id: Icd4e7e44f9f23f66e59ad1fb298e13da76ad817a
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[Impala-ASF-CR] Add functional tests for compute stats with mt dop > 0.

Posted by "Alex Behm (Code Review)" <ge...@cloudera.org>.
Alex Behm has posted comments on this change.

Change subject: Add functional tests for compute stats with mt_dop > 0.
......................................................................


Patch Set 4: Code-Review+2

Got fixed by Henry's scheduler fix.

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[Impala-ASF-CR] Add functional tests for compute stats with mt dop > 0.

Posted by "Lars Volker (Code Review)" <ge...@cloudera.org>.
Lars Volker has posted comments on this change.

Change subject: Add functional tests for compute stats with mt_dop > 0.
......................................................................


Patch Set 2:

(3 comments)

http://gerrit.cloudera.org:8080/#/c/4879/1/tests/query_test/test_mt_dop.py
File tests/query_test/test_mt_dop.py:

PS1, Line 51: execute_query_using_client
> That version doesn't switch the DB and extracting the DB manually from the 
Cool, learned something.


PS1, Line 52: location
> I want to just create "clone" of an existing table that has the same format
Maybe add a comment "Create a second table pointing to the same data files"?


http://gerrit.cloudera.org:8080/#/c/4879/2/tests/query_test/test_mt_dop.py
File tests/query_test/test_mt_dop.py:

PS2, Line 50: fotmat
format


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[Impala-ASF-CR] Add functional tests for compute stats with mt dop > 0.

Posted by "Internal Jenkins (Code Review)" <ge...@cloudera.org>.
Internal Jenkins has submitted this change and it was merged.

Change subject: Add functional tests for compute stats with mt_dop > 0.
......................................................................


Add functional tests for compute stats with mt_dop > 0.

Change-Id: Icd4e7e44f9f23f66e59ad1fb298e13da76ad817a
Reviewed-on: http://gerrit.cloudera.org:8080/4879
Reviewed-by: Alex Behm <al...@cloudera.com>
Tested-by: Internal Jenkins
---
A testdata/workloads/functional-query/queries/QueryTest/mt-dop-compute-stats.test
M tests/query_test/test_mt_dop.py
2 files changed, 23 insertions(+), 3 deletions(-)

Approvals:
  Internal Jenkins: Verified
  Alex Behm: Looks good to me, approved



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[Impala-ASF-CR] Add functional tests for compute stats with mt dop > 0.

Posted by "Internal Jenkins (Code Review)" <ge...@cloudera.org>.
Internal Jenkins has posted comments on this change.

Change subject: Add functional tests for compute stats with mt_dop > 0.
......................................................................


Patch Set 4:

Build failed: http://sandbox.jenkins.cloudera.com/job/impala-external-gerrit-verify-merge-ASF/398/

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[Impala-ASF-CR] Add functional tests for compute stats with mt dop > 0.

Posted by "Lars Volker (Code Review)" <ge...@cloudera.org>.
Lars Volker has posted comments on this change.

Change subject: Add functional tests for compute stats with mt_dop > 0.
......................................................................


Patch Set 1:

(3 comments)

http://gerrit.cloudera.org:8080/#/c/4879/1/tests/query_test/test_mt_dop.py
File tests/query_test/test_mt_dop.py:

PS1, Line 51: execute_query_using_client
I think self.execute_query does the same.


PS1, Line 52: location
Why is it necessary to change the location here? I'm mostly curious because I did something similar in a different change and didn't specify a location, so the data files ended up in the unique_database's directory.


Line 54:     new_vector = deepcopy(vector)
can you add a comment why this copy step is needed?


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[Impala-ASF-CR] Add functional tests for compute stats with mt dop > 0.

Posted by "Alex Behm (Code Review)" <ge...@cloudera.org>.
Alex Behm has posted comments on this change.

Change subject: Add functional tests for compute stats with mt_dop > 0.
......................................................................


Patch Set 1:

(3 comments)

http://gerrit.cloudera.org:8080/#/c/4879/1/tests/query_test/test_mt_dop.py
File tests/query_test/test_mt_dop.py:

PS1, Line 51: execute_query_using_client
> I think self.execute_query does the same.
That version doesn't switch the DB and extracting the DB manually from the vector is super painful. Added comment.


PS1, Line 52: location
> Why is it necessary to change the location here? I'm mostly curious because
I want to just create "clone" of an existing table that has the same format and points to the same files. Create table like does not copy the location, so I need to specify it. Alternatives like CTAS don't work because it's not easy to specify the format in the CTAS, and we cannot insert into all formats.


Line 54:     new_vector = deepcopy(vector)
> can you add a comment why this copy step is needed?
For this test it's actually not needed because in every test we set the mt_dop exec option again. I was worried about modifying the vector in place and polluting the state of subsequent tests, but all tests use and set mt_dop anyway.


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[Impala-ASF-CR] Add functional tests for compute stats with mt dop > 0.

Posted by "Internal Jenkins (Code Review)" <ge...@cloudera.org>.
Internal Jenkins has posted comments on this change.

Change subject: Add functional tests for compute stats with mt_dop > 0.
......................................................................


Patch Set 4: Verified+1

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Gerrit-Reviewer: Lars Volker <lv...@cloudera.com>
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Gerrit-HasComments: No

[Impala-ASF-CR] Add functional tests for compute stats with mt dop > 0.

Posted by "Lars Volker (Code Review)" <ge...@cloudera.org>.
Lars Volker has posted comments on this change.

Change subject: Add functional tests for compute stats with mt_dop > 0.
......................................................................


Patch Set 4:

This ran on a jenkins worker who hit JENKINS-300 several times. I suspect this was the case here, too.

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Gerrit-MessageType: comment
Gerrit-Change-Id: Icd4e7e44f9f23f66e59ad1fb298e13da76ad817a
Gerrit-PatchSet: 4
Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-Owner: Alex Behm <al...@cloudera.com>
Gerrit-Reviewer: Alex Behm <al...@cloudera.com>
Gerrit-Reviewer: Internal Jenkins
Gerrit-Reviewer: Lars Volker <lv...@cloudera.com>
Gerrit-Reviewer: Marcel Kornacker <ma...@cloudera.com>
Gerrit-HasComments: No

[Impala-ASF-CR] Add functional tests for compute stats with mt dop > 0.

Posted by "Alex Behm (Code Review)" <ge...@cloudera.org>.
Alex Behm has posted comments on this change.

Change subject: Add functional tests for compute stats with mt_dop > 0.
......................................................................


Patch Set 3: Code-Review-1

Hits DCHECK now, need to debug.

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Gerrit-MessageType: comment
Gerrit-Change-Id: Icd4e7e44f9f23f66e59ad1fb298e13da76ad817a
Gerrit-PatchSet: 3
Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-Owner: Alex Behm <al...@cloudera.com>
Gerrit-Reviewer: Alex Behm <al...@cloudera.com>
Gerrit-Reviewer: Lars Volker <lv...@cloudera.com>
Gerrit-Reviewer: Marcel Kornacker <ma...@cloudera.com>
Gerrit-HasComments: No