Hive QA commented on HIVE-12631:

Here are the results of testing the latest attachment:

{color:green}SUCCESS:{color} +1 due to 2 test(s) being added or modified.

{color:red}ERROR:{color} -1 due to 7 failed/errored test(s), 10238 tests 
*Failed tests:*
TestDerbyConnector - did not produce a TEST-*.xml file (likely timed out) 
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[join31] (batchId=81)

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/3594/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/3594/console
Test logs:

Executing org.apache.hive.ptest.execution.TestCheckPhase
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: 7 tests failed

This message is automatically generated.

ATTACHMENT ID: 12852969 - PreCommit-HIVE-Build

> LLAP: support ORC ACID tables
> -----------------------------
>                 Key: HIVE-12631
>                 URL: https://issues.apache.org/jira/browse/HIVE-12631
>             Project: Hive
>          Issue Type: Bug
>          Components: llap, Transactions
>            Reporter: Sergey Shelukhin
>            Assignee: Teddy Choi
>         Attachments: HIVE-12631.1.patch, HIVE-12631.2.patch, 
> HIVE-12631.3.patch
> LLAP uses a completely separate read path in ORC to allow for caching and 
> parallelization of reads and processing. This path does not support ACID. As 
> far as I remember ACID logic is embedded inside ORC format; we need to 
> refactor it to be on top of some interface, if practical; or just port it to 
> LLAP read path.
> Another consideration is how the logic will work with cache. The cache is 
> currently low-level (CB-level in ORC), so we could just use it to read bases 
> and deltas (deltas should be cached with higher priority) and merge as usual. 
> We could also cache merged representation in future.

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