[jira] [Commented] (IMPALA-6352) TestTableSample took too long in recent tests
[ https://issues.apache.org/jira/browse/IMPALA-6352?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16661323#comment-16661323 ] Tim Armstrong commented on IMPALA-6352: --- [~bikramjeet.vig] is this still critical? > TestTableSample took too long in recent tests > - > > Key: IMPALA-6352 > URL: https://issues.apache.org/jira/browse/IMPALA-6352 > Project: IMPALA > Issue Type: Bug > Components: Frontend >Affects Versions: Impala 2.12.0 >Reporter: Vuk Ercegovac >Assignee: Bikramjeet Vig >Priority: Critical > Labels: broken-build > Attachments: impala6352pstacks.tar.gz > > > TestTableSample test took ~8 hours in recent (12/21) exhaustive rhel tests. > That caused the overall test to be aborted: > ... > 01:53:10 [gw2] PASSED > query_test/test_tablesample.py::TestTableSample::test_tablesample[repeatable: > True | exec_option: {'batch_size': 0, 'num_nodes': 0, > 'disable_codegen_rows_threshold': 0, 'disable_codegen': False, > 'abort_on_error': 1, 'exec_single_node_rows_threshold': 0} | table_format: > seq/gzip/block] > 01:53:10 > query_test/test_tablesample.py::TestTableSample::test_tablesample[repeatable: > False | exec_option: {'batch_size': 0, 'num_nodes': 0, > 'disable_codegen_rows_threshold': 0, 'disable_codegen': True, > 'abort_on_error': 1, 'exec_single_node_rows_threshold': 0} | table_format: > seq/gzip/block] > 10:03:51 [gw2] PASSED > query_test/test_tablesample.py::TestTableSample::test_tablesample[repeatable: > False | exec_option: {'batch_size': 0, 'num_nodes': 0, > 'disable_codegen_rows_threshold': 0, 'disable_codegen': True, > 'abort_on_error': 1, 'exec_single_node_rows_threshold': 0} | table_format: > seq/gzip/block] Build timed out (after 1,440 minutes). Marking the build as > aborted. > 10:03:51 Build was aborted > ... -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: issues-all-unsubscr...@impala.apache.org For additional commands, e-mail: issues-all-h...@impala.apache.org
[jira] [Commented] (IMPALA-6352) TestTableSample took too long in recent tests
[ https://issues.apache.org/jira/browse/IMPALA-6352?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16661331#comment-16661331 ] Bikramjeet Vig commented on IMPALA-6352: [~tarmstrong] don't think so, haven't seen this in a while and had no luck reproducing it locally. I am working on a patch that will print the stack trace before it times out, so we ll get some more info if this happens again > TestTableSample took too long in recent tests > - > > Key: IMPALA-6352 > URL: https://issues.apache.org/jira/browse/IMPALA-6352 > Project: IMPALA > Issue Type: Bug > Components: Frontend >Affects Versions: Impala 2.12.0 >Reporter: Vuk Ercegovac >Assignee: Bikramjeet Vig >Priority: Critical > Labels: broken-build > Attachments: impala6352pstacks.tar.gz > > > TestTableSample test took ~8 hours in recent (12/21) exhaustive rhel tests. > That caused the overall test to be aborted: > ... > 01:53:10 [gw2] PASSED > query_test/test_tablesample.py::TestTableSample::test_tablesample[repeatable: > True | exec_option: {'batch_size': 0, 'num_nodes': 0, > 'disable_codegen_rows_threshold': 0, 'disable_codegen': False, > 'abort_on_error': 1, 'exec_single_node_rows_threshold': 0} | table_format: > seq/gzip/block] > 01:53:10 > query_test/test_tablesample.py::TestTableSample::test_tablesample[repeatable: > False | exec_option: {'batch_size': 0, 'num_nodes': 0, > 'disable_codegen_rows_threshold': 0, 'disable_codegen': True, > 'abort_on_error': 1, 'exec_single_node_rows_threshold': 0} | table_format: > seq/gzip/block] > 10:03:51 [gw2] PASSED > query_test/test_tablesample.py::TestTableSample::test_tablesample[repeatable: > False | exec_option: {'batch_size': 0, 'num_nodes': 0, > 'disable_codegen_rows_threshold': 0, 'disable_codegen': True, > 'abort_on_error': 1, 'exec_single_node_rows_threshold': 0} | table_format: > seq/gzip/block] Build timed out (after 1,440 minutes). Marking the build as > aborted. > 10:03:51 Build was aborted > ... -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: issues-all-unsubscr...@impala.apache.org For additional commands, e-mail: issues-all-h...@impala.apache.org
[jira] [Commented] (IMPALA-6352) TestTableSample took too long in recent tests
[ https://issues.apache.org/jira/browse/IMPALA-6352?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16779109#comment-16779109 ] ASF subversion and git services commented on IMPALA-6352: - Commit b2294c1bbf4143cc79fe770293a6255d81f72ea6 in impala's branch refs/heads/2.x from Bikramjeet Vig [ https://gitbox.apache.org/repos/asf?p=impala.git;h=b2294c1 ] IMPALA-6352: Dump backtrace on failure of TestTableSample TestTableSample is a flaky test which has been failing very rarely due to a possible hung thread. Therefore this patch adds a timeout to the test and logs the backtrace of all impalads if timeout occurs, so we can get more information on the state of those threads. Change-Id: I73fcdd30863cee105584c947bb0c48cf872809c1 Reviewed-on: http://gerrit.cloudera.org:8080/10851 Reviewed-by: Impala Public Jenkins Tested-by: Impala Public Jenkins > TestTableSample took too long in recent tests > - > > Key: IMPALA-6352 > URL: https://issues.apache.org/jira/browse/IMPALA-6352 > Project: IMPALA > Issue Type: Bug > Components: Frontend >Affects Versions: Impala 2.12.0 >Reporter: Vuk Ercegovac >Assignee: Bikramjeet Vig >Priority: Critical > Labels: broken-build > Attachments: impala6352pstacks.tar.gz > > > TestTableSample test took ~8 hours in recent (12/21) exhaustive rhel tests. > That caused the overall test to be aborted: > ... > 01:53:10 [gw2] PASSED > query_test/test_tablesample.py::TestTableSample::test_tablesample[repeatable: > True | exec_option: {'batch_size': 0, 'num_nodes': 0, > 'disable_codegen_rows_threshold': 0, 'disable_codegen': False, > 'abort_on_error': 1, 'exec_single_node_rows_threshold': 0} | table_format: > seq/gzip/block] > 01:53:10 > query_test/test_tablesample.py::TestTableSample::test_tablesample[repeatable: > False | exec_option: {'batch_size': 0, 'num_nodes': 0, > 'disable_codegen_rows_threshold': 0, 'disable_codegen': True, > 'abort_on_error': 1, 'exec_single_node_rows_threshold': 0} | table_format: > seq/gzip/block] > 10:03:51 [gw2] PASSED > query_test/test_tablesample.py::TestTableSample::test_tablesample[repeatable: > False | exec_option: {'batch_size': 0, 'num_nodes': 0, > 'disable_codegen_rows_threshold': 0, 'disable_codegen': True, > 'abort_on_error': 1, 'exec_single_node_rows_threshold': 0} | table_format: > seq/gzip/block] Build timed out (after 1,440 minutes). Marking the build as > aborted. > 10:03:51 Build was aborted > ... -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: issues-all-unsubscr...@impala.apache.org For additional commands, e-mail: issues-all-h...@impala.apache.org
[jira] [Commented] (IMPALA-6352) TestTableSample took too long in recent tests
[ https://issues.apache.org/jira/browse/IMPALA-6352?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16500883#comment-16500883 ] Tim Armstrong commented on IMPALA-6352: --- I'll see if I can reproduce locally. > TestTableSample took too long in recent tests > - > > Key: IMPALA-6352 > URL: https://issues.apache.org/jira/browse/IMPALA-6352 > Project: IMPALA > Issue Type: Bug > Components: Frontend >Affects Versions: Impala 2.12.0 >Reporter: Vuk Ercegovac >Assignee: Tim Armstrong >Priority: Critical > Labels: broken-build > > TestTableSample test took ~8 hours in recent (12/21) exhaustive rhel tests. > That caused the overall test to be aborted: > ... > 01:53:10 [gw2] PASSED > query_test/test_tablesample.py::TestTableSample::test_tablesample[repeatable: > True | exec_option: {'batch_size': 0, 'num_nodes': 0, > 'disable_codegen_rows_threshold': 0, 'disable_codegen': False, > 'abort_on_error': 1, 'exec_single_node_rows_threshold': 0} | table_format: > seq/gzip/block] > 01:53:10 > query_test/test_tablesample.py::TestTableSample::test_tablesample[repeatable: > False | exec_option: {'batch_size': 0, 'num_nodes': 0, > 'disable_codegen_rows_threshold': 0, 'disable_codegen': True, > 'abort_on_error': 1, 'exec_single_node_rows_threshold': 0} | table_format: > seq/gzip/block] > 10:03:51 [gw2] PASSED > query_test/test_tablesample.py::TestTableSample::test_tablesample[repeatable: > False | exec_option: {'batch_size': 0, 'num_nodes': 0, > 'disable_codegen_rows_threshold': 0, 'disable_codegen': True, > 'abort_on_error': 1, 'exec_single_node_rows_threshold': 0} | table_format: > seq/gzip/block] Build timed out (after 1,440 minutes). Marking the build as > aborted. > 10:03:51 Build was aborted > ... -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: issues-all-unsubscr...@impala.apache.org For additional commands, e-mail: issues-all-h...@impala.apache.org
[jira] [Commented] (IMPALA-6352) TestTableSample took too long in recent tests
[ https://issues.apache.org/jira/browse/IMPALA-6352?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16502111#comment-16502111 ] Tim Armstrong commented on IMPALA-6352: --- No luck reproducing. > TestTableSample took too long in recent tests > - > > Key: IMPALA-6352 > URL: https://issues.apache.org/jira/browse/IMPALA-6352 > Project: IMPALA > Issue Type: Bug > Components: Frontend >Affects Versions: Impala 2.12.0 >Reporter: Vuk Ercegovac >Assignee: Tim Armstrong >Priority: Critical > Labels: broken-build > > TestTableSample test took ~8 hours in recent (12/21) exhaustive rhel tests. > That caused the overall test to be aborted: > ... > 01:53:10 [gw2] PASSED > query_test/test_tablesample.py::TestTableSample::test_tablesample[repeatable: > True | exec_option: {'batch_size': 0, 'num_nodes': 0, > 'disable_codegen_rows_threshold': 0, 'disable_codegen': False, > 'abort_on_error': 1, 'exec_single_node_rows_threshold': 0} | table_format: > seq/gzip/block] > 01:53:10 > query_test/test_tablesample.py::TestTableSample::test_tablesample[repeatable: > False | exec_option: {'batch_size': 0, 'num_nodes': 0, > 'disable_codegen_rows_threshold': 0, 'disable_codegen': True, > 'abort_on_error': 1, 'exec_single_node_rows_threshold': 0} | table_format: > seq/gzip/block] > 10:03:51 [gw2] PASSED > query_test/test_tablesample.py::TestTableSample::test_tablesample[repeatable: > False | exec_option: {'batch_size': 0, 'num_nodes': 0, > 'disable_codegen_rows_threshold': 0, 'disable_codegen': True, > 'abort_on_error': 1, 'exec_single_node_rows_threshold': 0} | table_format: > seq/gzip/block] Build timed out (after 1,440 minutes). Marking the build as > aborted. > 10:03:51 Build was aborted > ... -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: issues-all-unsubscr...@impala.apache.org For additional commands, e-mail: issues-all-h...@impala.apache.org
[jira] [Commented] (IMPALA-6352) TestTableSample took too long in recent tests
[ https://issues.apache.org/jira/browse/IMPALA-6352?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16509996#comment-16509996 ] Lars Volker commented on IMPALA-6352: - I saw this today on an exhaustive build on CentOS 7. > TestTableSample took too long in recent tests > - > > Key: IMPALA-6352 > URL: https://issues.apache.org/jira/browse/IMPALA-6352 > Project: IMPALA > Issue Type: Bug > Components: Frontend >Affects Versions: Impala 2.12.0 >Reporter: Vuk Ercegovac >Assignee: Tim Armstrong >Priority: Critical > Labels: broken-build > > TestTableSample test took ~8 hours in recent (12/21) exhaustive rhel tests. > That caused the overall test to be aborted: > ... > 01:53:10 [gw2] PASSED > query_test/test_tablesample.py::TestTableSample::test_tablesample[repeatable: > True | exec_option: {'batch_size': 0, 'num_nodes': 0, > 'disable_codegen_rows_threshold': 0, 'disable_codegen': False, > 'abort_on_error': 1, 'exec_single_node_rows_threshold': 0} | table_format: > seq/gzip/block] > 01:53:10 > query_test/test_tablesample.py::TestTableSample::test_tablesample[repeatable: > False | exec_option: {'batch_size': 0, 'num_nodes': 0, > 'disable_codegen_rows_threshold': 0, 'disable_codegen': True, > 'abort_on_error': 1, 'exec_single_node_rows_threshold': 0} | table_format: > seq/gzip/block] > 10:03:51 [gw2] PASSED > query_test/test_tablesample.py::TestTableSample::test_tablesample[repeatable: > False | exec_option: {'batch_size': 0, 'num_nodes': 0, > 'disable_codegen_rows_threshold': 0, 'disable_codegen': True, > 'abort_on_error': 1, 'exec_single_node_rows_threshold': 0} | table_format: > seq/gzip/block] Build timed out (after 1,440 minutes). Marking the build as > aborted. > 10:03:51 Build was aborted > ... -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: issues-all-unsubscr...@impala.apache.org For additional commands, e-mail: issues-all-h...@impala.apache.org
[jira] [Commented] (IMPALA-6352) TestTableSample took too long in recent tests
[ https://issues.apache.org/jira/browse/IMPALA-6352?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16512998#comment-16512998 ] Tim Armstrong commented on IMPALA-6352: --- I'm not going to have a chance to look at this immediately, unassigning in case someone else can pick up. > TestTableSample took too long in recent tests > - > > Key: IMPALA-6352 > URL: https://issues.apache.org/jira/browse/IMPALA-6352 > Project: IMPALA > Issue Type: Bug > Components: Frontend >Affects Versions: Impala 2.12.0 >Reporter: Vuk Ercegovac >Priority: Critical > Labels: broken-build > > TestTableSample test took ~8 hours in recent (12/21) exhaustive rhel tests. > That caused the overall test to be aborted: > ... > 01:53:10 [gw2] PASSED > query_test/test_tablesample.py::TestTableSample::test_tablesample[repeatable: > True | exec_option: {'batch_size': 0, 'num_nodes': 0, > 'disable_codegen_rows_threshold': 0, 'disable_codegen': False, > 'abort_on_error': 1, 'exec_single_node_rows_threshold': 0} | table_format: > seq/gzip/block] > 01:53:10 > query_test/test_tablesample.py::TestTableSample::test_tablesample[repeatable: > False | exec_option: {'batch_size': 0, 'num_nodes': 0, > 'disable_codegen_rows_threshold': 0, 'disable_codegen': True, > 'abort_on_error': 1, 'exec_single_node_rows_threshold': 0} | table_format: > seq/gzip/block] > 10:03:51 [gw2] PASSED > query_test/test_tablesample.py::TestTableSample::test_tablesample[repeatable: > False | exec_option: {'batch_size': 0, 'num_nodes': 0, > 'disable_codegen_rows_threshold': 0, 'disable_codegen': True, > 'abort_on_error': 1, 'exec_single_node_rows_threshold': 0} | table_format: > seq/gzip/block] Build timed out (after 1,440 minutes). Marking the build as > aborted. > 10:03:51 Build was aborted > ... -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: issues-all-unsubscr...@impala.apache.org For additional commands, e-mail: issues-all-h...@impala.apache.org
[jira] [Commented] (IMPALA-6352) TestTableSample took too long in recent tests
[ https://issues.apache.org/jira/browse/IMPALA-6352?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16531623#comment-16531623 ] ASF subversion and git services commented on IMPALA-6352: - Commit f3b1c4bc65031899ca9d7e41ab6c7da79b18777d in impala's branch refs/heads/master from [~bikram.sngh91] [ https://git-wip-us.apache.org/repos/asf?p=impala.git;h=f3b1c4b ] IMPALA-6352: Dump backtrace on failure of TestTableSample TestTableSample is a flaky test which has been failing very rarely due to a possible hung thread. Therefore this patch adds a timeout to the test and logs the backtrace of all impalads if timeout occurs, so we can get more information on the state of those threads. Change-Id: I73fcdd30863cee105584c947bb0c48cf872809c1 Reviewed-on: http://gerrit.cloudera.org:8080/10851 Reviewed-by: Impala Public Jenkins Tested-by: Impala Public Jenkins > TestTableSample took too long in recent tests > - > > Key: IMPALA-6352 > URL: https://issues.apache.org/jira/browse/IMPALA-6352 > Project: IMPALA > Issue Type: Bug > Components: Frontend >Affects Versions: Impala 2.12.0 >Reporter: Vuk Ercegovac >Assignee: Bikramjeet Vig >Priority: Critical > Labels: broken-build > > TestTableSample test took ~8 hours in recent (12/21) exhaustive rhel tests. > That caused the overall test to be aborted: > ... > 01:53:10 [gw2] PASSED > query_test/test_tablesample.py::TestTableSample::test_tablesample[repeatable: > True | exec_option: {'batch_size': 0, 'num_nodes': 0, > 'disable_codegen_rows_threshold': 0, 'disable_codegen': False, > 'abort_on_error': 1, 'exec_single_node_rows_threshold': 0} | table_format: > seq/gzip/block] > 01:53:10 > query_test/test_tablesample.py::TestTableSample::test_tablesample[repeatable: > False | exec_option: {'batch_size': 0, 'num_nodes': 0, > 'disable_codegen_rows_threshold': 0, 'disable_codegen': True, > 'abort_on_error': 1, 'exec_single_node_rows_threshold': 0} | table_format: > seq/gzip/block] > 10:03:51 [gw2] PASSED > query_test/test_tablesample.py::TestTableSample::test_tablesample[repeatable: > False | exec_option: {'batch_size': 0, 'num_nodes': 0, > 'disable_codegen_rows_threshold': 0, 'disable_codegen': True, > 'abort_on_error': 1, 'exec_single_node_rows_threshold': 0} | table_format: > seq/gzip/block] Build timed out (after 1,440 minutes). Marking the build as > aborted. > 10:03:51 Build was aborted > ... -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: issues-all-unsubscr...@impala.apache.org For additional commands, e-mail: issues-all-h...@impala.apache.org
[jira] [Commented] (IMPALA-6352) TestTableSample took too long in recent tests
[ https://issues.apache.org/jira/browse/IMPALA-6352?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16572227#comment-16572227 ] Vuk Ercegovac commented on IMPALA-6352: --- ran into this on a core asan build today. > TestTableSample took too long in recent tests > - > > Key: IMPALA-6352 > URL: https://issues.apache.org/jira/browse/IMPALA-6352 > Project: IMPALA > Issue Type: Bug > Components: Frontend >Affects Versions: Impala 2.12.0 >Reporter: Vuk Ercegovac >Assignee: Bikramjeet Vig >Priority: Critical > Labels: broken-build > > TestTableSample test took ~8 hours in recent (12/21) exhaustive rhel tests. > That caused the overall test to be aborted: > ... > 01:53:10 [gw2] PASSED > query_test/test_tablesample.py::TestTableSample::test_tablesample[repeatable: > True | exec_option: {'batch_size': 0, 'num_nodes': 0, > 'disable_codegen_rows_threshold': 0, 'disable_codegen': False, > 'abort_on_error': 1, 'exec_single_node_rows_threshold': 0} | table_format: > seq/gzip/block] > 01:53:10 > query_test/test_tablesample.py::TestTableSample::test_tablesample[repeatable: > False | exec_option: {'batch_size': 0, 'num_nodes': 0, > 'disable_codegen_rows_threshold': 0, 'disable_codegen': True, > 'abort_on_error': 1, 'exec_single_node_rows_threshold': 0} | table_format: > seq/gzip/block] > 10:03:51 [gw2] PASSED > query_test/test_tablesample.py::TestTableSample::test_tablesample[repeatable: > False | exec_option: {'batch_size': 0, 'num_nodes': 0, > 'disable_codegen_rows_threshold': 0, 'disable_codegen': True, > 'abort_on_error': 1, 'exec_single_node_rows_threshold': 0} | table_format: > seq/gzip/block] Build timed out (after 1,440 minutes). Marking the build as > aborted. > 10:03:51 Build was aborted > ... -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: issues-all-unsubscr...@impala.apache.org For additional commands, e-mail: issues-all-h...@impala.apache.org
[jira] [Commented] (IMPALA-6352) TestTableSample took too long in recent tests
[ https://issues.apache.org/jira/browse/IMPALA-6352?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16591951#comment-16591951 ] Joe McDonnell commented on IMPALA-6352: --- Ran into a hang that looks like this on a live system and took pstacks of the impalads. They are attached. > TestTableSample took too long in recent tests > - > > Key: IMPALA-6352 > URL: https://issues.apache.org/jira/browse/IMPALA-6352 > Project: IMPALA > Issue Type: Bug > Components: Frontend >Affects Versions: Impala 2.12.0 >Reporter: Vuk Ercegovac >Assignee: Bikramjeet Vig >Priority: Critical > Labels: broken-build > Attachments: impala6352pstacks.tar.gz > > > TestTableSample test took ~8 hours in recent (12/21) exhaustive rhel tests. > That caused the overall test to be aborted: > ... > 01:53:10 [gw2] PASSED > query_test/test_tablesample.py::TestTableSample::test_tablesample[repeatable: > True | exec_option: {'batch_size': 0, 'num_nodes': 0, > 'disable_codegen_rows_threshold': 0, 'disable_codegen': False, > 'abort_on_error': 1, 'exec_single_node_rows_threshold': 0} | table_format: > seq/gzip/block] > 01:53:10 > query_test/test_tablesample.py::TestTableSample::test_tablesample[repeatable: > False | exec_option: {'batch_size': 0, 'num_nodes': 0, > 'disable_codegen_rows_threshold': 0, 'disable_codegen': True, > 'abort_on_error': 1, 'exec_single_node_rows_threshold': 0} | table_format: > seq/gzip/block] > 10:03:51 [gw2] PASSED > query_test/test_tablesample.py::TestTableSample::test_tablesample[repeatable: > False | exec_option: {'batch_size': 0, 'num_nodes': 0, > 'disable_codegen_rows_threshold': 0, 'disable_codegen': True, > 'abort_on_error': 1, 'exec_single_node_rows_threshold': 0} | table_format: > seq/gzip/block] Build timed out (after 1,440 minutes). Marking the build as > aborted. > 10:03:51 Build was aborted > ... -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: issues-all-unsubscr...@impala.apache.org For additional commands, e-mail: issues-all-h...@impala.apache.org