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From "Hive QA (JIRA)" <>
Subject [jira] [Commented] (HIVE-20047) [phase 1.5] consider removing txnID argument for txn stats methods
Date Thu, 19 Jul 2018 16:06:00 GMT


Hive QA commented on HIVE-20047:

Here are the results of testing the latest attachment:

{color:green}SUCCESS:{color} +1 due to 25 test(s) being added or modified.

{color:red}ERROR:{color} -1 due to 8 failed/errored test(s), 14684 tests executed
*Failed tests:*
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[acid_stats4] (batchId=64)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[alter_partition_update_status] (batchId=94)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[alter_table_update_status] (batchId=84)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[compute_stats_date] (batchId=47)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[acid_no_buckets] (batchId=173)
org.apache.hadoop.hive.ql.stats.TestStatsUpdaterThread.testTxnTable (batchId=283)

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: 8 tests failed

This message is automatically generated.

ATTACHMENT ID: 12932181 - PreCommit-HIVE-Build

> [phase 1.5] consider removing txnID argument for txn stats methods
> ------------------------------------------------------------------
>                 Key: HIVE-20047
>                 URL:
>             Project: Hive
>          Issue Type: Sub-task
>            Reporter: Sergey Shelukhin
>            Assignee: Sergey Shelukhin
>            Priority: Major
>         Attachments: HIVE-20047.patch
> Followup from HIVE-19975.
> W.r.t. write IDs and txn IDs, stats validity check currently verifies one of two things
- that stats write ID is valid for query write ID list, or that stats txn ID (derived from
write ID) is the same as the query txn ID.
> I'm not sure the latter check is needed; removing it would allow us to make a bunch of
APIs a little bit simpler.
> [~ekoifman] do you have any feedback? Can any stats reader (e.g. compile) observe stats
written by the same txn; but in such manner that it doesn't have the write ID of the same-txn
stats writer, in its valid write ID list? I'm assuming it's not possible, e.g. in multi statement
txn each query would have the previous same-txn writer for the same table in its valid write
ID list?

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