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https://issues.apache.org/jira/browse/HIVE-1511?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13744043#comment-13744043
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Brock Noland commented on HIVE-1511:
------------------------------------
Indeed, it is odd. I disabled the deleting of the test tables in QTestUtil.
Bad:
{noformat}
$ find build/ql/test/data/warehouse/test_table* -type f | grep -v crc | xargs
ls -l
-rwxrwxrwx 1 brock brock 48 Aug 19 12:27
build/ql/test/data/warehouse/test_table1/ds=1/000000_0
-rwxrwxrwx 1 brock brock 32 Aug 19 12:27
build/ql/test/data/warehouse/test_table1/ds=1/000001_0
-rwxrwxrwx 1 brock brock 48 Aug 19 12:27
build/ql/test/data/warehouse/test_table1/ds=2/000000_0
-rwxrwxrwx 1 brock brock 32 Aug 19 12:27
build/ql/test/data/warehouse/test_table1/ds=2/000001_0
-rwxrwxrwx 1 brock brock 468 Aug 19 12:27
build/ql/test/data/warehouse/test_table2/ds=1/000000_0
-rwxrwxrwx 1 brock brock 352 Aug 19 12:27
build/ql/test/data/warehouse/test_table2/ds=1/000001_0
-rwxrwxrwx 1 brock brock 468 Aug 19 12:27
build/ql/test/data/warehouse/test_table2/ds=2/000000_0
-rwxrwxrwx 1 brock brock 352 Aug 19 12:27
build/ql/test/data/warehouse/test_table2/ds=2/000001_0
-rwxrwxrwx 1 brock brock 156 Aug 19 12:27
build/ql/test/data/warehouse/test_table3/ds=1/(ds%3D1)000000_0
{noformat}
Good:
{noformat}
$ find build/ql/test/data/warehouse/test_table* -type f | grep -v crc | xargs
ls -l
-rwxrwxrwx 1 noland noland 48 Aug 19 12:32
build/ql/test/data/warehouse/test_table1/ds=1/000000_0
-rwxrwxrwx 1 noland noland 32 Aug 19 12:32
build/ql/test/data/warehouse/test_table1/ds=1/000001_0
-rwxrwxrwx 1 noland noland 48 Aug 19 12:32
build/ql/test/data/warehouse/test_table1/ds=2/000000_0
-rwxrwxrwx 1 noland noland 32 Aug 19 12:32
build/ql/test/data/warehouse/test_table1/ds=2/000001_0
-rwxrwxrwx 1 noland noland 468 Aug 19 12:32
build/ql/test/data/warehouse/test_table2/ds=1/000000_0
-rwxrwxrwx 1 noland noland 352 Aug 19 12:32
build/ql/test/data/warehouse/test_table2/ds=1/000001_0
-rwxrwxrwx 1 noland noland 468 Aug 19 12:32
build/ql/test/data/warehouse/test_table2/ds=2/000000_0
-rwxrwxrwx 1 noland noland 352 Aug 19 12:32
build/ql/test/data/warehouse/test_table2/ds=2/000001_0
-rwxrwxrwx 1 noland noland 156 Aug 19 12:32
build/ql/test/data/warehouse/test_table3/ds=1/(ds%3D1)000000_0
-rwxrwxrwx 1 noland noland 130 Aug 19 12:33
build/ql/test/data/warehouse/test_table3/ds=1/(ds%3D1)000001_0
{noformat}
> Hive plan serialization is slow
> -------------------------------
>
> Key: HIVE-1511
> URL: https://issues.apache.org/jira/browse/HIVE-1511
> Project: Hive
> Issue Type: Improvement
> Affects Versions: 0.7.0
> Reporter: Ning Zhang
> Assignee: Mohammad Kamrul Islam
> Attachments: HIVE-1511.4.patch, HIVE-1511.5.patch, HIVE-1511.patch,
> HIVE-1511-wip2.patch, HIVE-1511-wip3.patch, HIVE-1511-wip4.patch,
> HIVE-1511-wip.patch
>
>
> As reported by Edward Capriolo:
> For reference I did this as a test case....
> SELECT * FROM src where
> key=0 OR key=0 OR key=0 OR key=0 OR key=0 OR key=0 OR key=0 OR key=0
> OR key=0 OR key=0 OR key=0 OR
> key=0 OR key=0 OR key=0 OR key=0 OR key=0 OR key=0 OR key=0 OR key=0
> OR key=0 OR key=0 OR key=0 OR
> ...(100 more of these)
> No OOM but I gave up after the test case did not go anywhere for about
> 2 minutes.
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