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From "Hive QA (Jira)" <>
Subject [jira] [Commented] (HIVE-22284) Improve LLAP CacheContentsTracker to collect and display correct statistics
Date Thu, 03 Oct 2019 09:03:00 GMT


Hive QA commented on HIVE-22284:

Here are the results of testing the latest attachment:

{color:red}ERROR:{color} -1 due to no test(s) being added or modified.

{color:red}ERROR:{color} -1 due to 6 failed/errored test(s), 17168 tests executed
*Failed tests:*
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[infer_bucket_sort_num_buckets] (batchId=67)
org.apache.hadoop.hive.cli.TestMiniLlapCliDriver.testCliDriver[rcfile_merge2] (batchId=159)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[partition_ctas] (batchId=173)
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver[load_dyn_part2] (batchId=140)

Test results:
Console output:
Test logs:

Executing org.apache.hive.ptest.execution.TestCheckPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.YetusPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
Tests exited with: TestsFailedException: 6 tests failed

This message is automatically generated.

ATTACHMENT ID: 12982017 - PreCommit-HIVE-Build

> Improve LLAP CacheContentsTracker to collect and display correct statistics
> ---------------------------------------------------------------------------
>                 Key: HIVE-22284
>                 URL:
>             Project: Hive
>          Issue Type: Improvement
>          Components: llap
>            Reporter: Ádám Szita
>            Assignee: Ádám Szita
>            Priority: Major
>         Attachments: HIVE-22284.0.patch
> When keeping track of which buffers correspond to what Hive objects, CacheContentsTracker
relies on cache tags.
> Currently a tag is a simple String that ideally holds DB and table name, and a partition
spec concatenated by . and / . The information here is derived from the Path of the file that
is getting cached. Needless to say sometimes this produces a wrong tag especially for external
> Also there's a bug when calculating aggregated stats for a 'parent' tag (corresponding
to the table of the partition) because the overall maxCount and maxSize do not add up to the
sum of those in the partitions. This happens when buffers get removed from the cache.

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