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https://issues.apache.org/jira/browse/HIVE-6157?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13881770#comment-13881770
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Hive QA commented on HIVE-6157:
-------------------------------
{color:red}Overall{color}: -1 at least one tests failed
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12625080/HIVE-6157.03.patch
{color:red}ERROR:{color} -1 due to 6 failed/errored test(s), 4958 tests executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestMinimrCliDriver.testCliDriver_bucket_num_reducers
org.apache.hadoop.hive.cli.TestMinimrCliDriver.testCliDriver_bucketmapjoin6
org.apache.hadoop.hive.cli.TestMinimrCliDriver.testCliDriver_import_exported_table
org.apache.hadoop.hive.cli.TestMinimrCliDriver.testCliDriver_infer_bucket_sort_reducers_power_two
org.apache.hadoop.hive.cli.TestMinimrCliDriver.testCliDriver_load_hdfs_file_with_space_in_the_name
org.apache.hadoop.hive.cli.TestNegativeMinimrCliDriver.testNegativeCliDriver_file_with_header_footer_negative
{noformat}
Test results:
http://bigtop01.cloudera.org:8080/job/PreCommit-HIVE-Build/1010/testReport
Console output:
http://bigtop01.cloudera.org:8080/job/PreCommit-HIVE-Build/1010/console
Messages:
{noformat}
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
Tests exited with: TestsFailedException: 6 tests failed
{noformat}
This message is automatically generated.
ATTACHMENT ID: 12625080
> Fetching column stats slower than the 101 during rush hour
> ----------------------------------------------------------
>
> Key: HIVE-6157
> URL: https://issues.apache.org/jira/browse/HIVE-6157
> Project: Hive
> Issue Type: Bug
> Affects Versions: 0.13.0
> Reporter: Gunther Hagleitner
> Assignee: Sergey Shelukhin
> Attachments: HIVE-6157.01.patch, HIVE-6157.01.patch,
> HIVE-6157.03.patch, HIVE-6157.03.patch, HIVE-6157.nogen.patch,
> HIVE-6157.nogen.patch, HIVE-6157.prelim.patch
>
>
> "hive.stats.fetch.column.stats" controls whether the column stats for a table
> are fetched during explain (in Tez: during query planning). On my setup (1
> table 4000 partitions, 24 columns) the time spent in semantic analyze goes
> from ~1 second to ~66 seconds when turning the flag on. 65 seconds spent
> fetching column stats...
> The reason is probably that the APIs force you to make separate metastore
> calls for each column in each partition. That's probably the first thing that
> has to change. The question is if in addition to that we need to cache this
> in the client or store the stats as a single blob in the database to further
> cut down on the time. However, the way it stands right now column stats seem
> unusable.
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