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From "Hive QA (JIRA)" <>
Subject [jira] [Commented] (HIVE-5454) HCatalog runs a partition listing with an empty filter
Date Sun, 06 Oct 2013 19:27:42 GMT


Hive QA commented on HIVE-5454:

{color:red}Overall{color}: -1 at least one tests failed

Here are the results of testing the latest attachment:

{color:red}ERROR:{color} -1 due to 1 failed/errored test(s), 4059 tests executed
*Failed tests:*

Test results:
Console output:

Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
Tests failed with: TestsFailedException: 1 tests failed

This message is automatically generated.

> HCatalog runs a partition listing with an empty filter
> ------------------------------------------------------
>                 Key: HIVE-5454
>                 URL:
>             Project: Hive
>          Issue Type: Bug
>          Components: HCatalog
>    Affects Versions: 0.12.0
>            Reporter: Harsh J
>         Attachments: D13317.1.patch, D13317.2.patch, D13317.3.patch
> This is a HCATALOG-527 caused regression, wherein the HCatLoader's way of calling HCatInputFormat
causes it to do 2x partition lookups - once without the filter, and then again with the filter.
> For tables with large number partitions (100000, say), the non-filter lookup proves fatal
both to the client ("Read timed out" errors from ThriftMetaStoreClient cause the server doesn't
respond) and to the server (too much data loaded into the cache, OOME, or slowdown).
> The fix would be to use a single call that also passes a partition filter information,
as was in the case of HCatalog 0.4 sources before HCATALOG-527.
> (HCatalog-release-wise, this affects all 0.5.x users)

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