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https://issues.apache.org/jira/browse/IMPALA-7025?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16480153#comment-16480153
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ASF subversion and git services commented on IMPALA-7025:
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Commit 14c715c02bdb2285f14e3defc55dae6cdc9acd6b in impala's branch
refs/heads/2.x from [~tarmstr...@cloudera.com]
[ https://git-wip-us.apache.org/repos/asf?p=impala.git;h=14c715c ]
IMPALA-7025: ignore resources in some planner test
The issue was that the tablesample test verified the mem-estimate
number, which depends on file sizes, which can vary slightly between
data loads.
Instead of trying to tweak the test to avoid the issue, instead provide
a mechanism to ignore the exact values of resources in planner tests
where they are not significant.
Testing:
Manually modified some values in tablesample.test, made sure that the
test still passed. Manually modified the partition count in the
expected output, made sure that the test failed.
Change-Id: I91e3e416ec6242fbf22d9f566fdd1ce225cb16ac
Reviewed-on: http://gerrit.cloudera.org:8080/10410
Reviewed-by: Tim Armstrong <tarmstr...@cloudera.com>
Tested-by: Impala Public Jenkins <impala-public-jenk...@cloudera.com>
> PlannerTest.testTableSample has wrong mem-reservation
> -----------------------------------------------------
>
> Key: IMPALA-7025
> URL: https://issues.apache.org/jira/browse/IMPALA-7025
> Project: IMPALA
> Issue Type: Bug
> Components: Frontend
> Affects Versions: Impala 3.1.0
> Reporter: Joe McDonnell
> Assignee: Tim Armstrong
> Priority: Critical
> Labels: broken-build, flaky
> Fix For: Impala 2.13.0, Impala 3.1.0
>
>
> Seen once on master exhaustive:
> {noformat}
> Error Message
> Section PLAN of query:
> select id from functional_parquet.alltypes tablesample system(10)
> repeatable(1234)
> Actual does not match expected result:
> F00:PLAN FRAGMENT [UNPARTITIONED] hosts=1 instances=1
> | Per-Host Resources: mem-estimate=16.00MB mem-reservation=8.00KB
> thread-reservation=2
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> PLAN-ROOT SINK
> | mem-estimate=0B mem-reservation=0B thread-reservation=0
> |
> 00:SCAN HDFS [functional_parquet.alltypes]
> partitions=3/24 files=3 size=23.70KB
> stored statistics:
> table: rows=unavailable size=unavailable
> partitions: 0/24 rows=unavailable
> columns: unavailable
> extrapolated-rows=disabled max-scan-range-rows=unavailable
> mem-estimate=16.00MB mem-reservation=8.00KB thread-reservation=1
> tuple-ids=0 row-size=4B cardinality=unavailable
> Expected:
> F00:PLAN FRAGMENT [UNPARTITIONED] hosts=1 instances=1
> | Per-Host Resources: mem-estimate=16.00MB mem-reservation=16.00KB
> thread-reservation=2
> PLAN-ROOT SINK
> | mem-estimate=0B mem-reservation=0B thread-reservation=0
> |
> 00:SCAN HDFS [functional_parquet.alltypes]
> partitions=3/24 files=3 size=24.23KB
> stored statistics:
> table: rows=unavailable size=unavailable
> partitions: 0/24 rows=unavailable
> columns: unavailable
> extrapolated-rows=disabled max-scan-range-rows=unavailable
> mem-estimate=16.00MB mem-reservation=16.00KB thread-reservation=1
> tuple-ids=0 row-size=4B cardinality=unavailable{noformat}
> This succeeded on the next build, so it is flaky and might not recur.
>
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