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Posted to issues-all@impala.apache.org by "Quanlong Huang (Jira)" <ji...@apache.org> on 2024/04/01 01:42:00 UTC
[jira] [Commented] (IMPALA-12216) Print timestamp for impala-shell errors
[ https://issues.apache.org/jira/browse/IMPALA-12216?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17832687#comment-17832687 ]
Quanlong Huang commented on IMPALA-12216:
-----------------------------------------
A simple way to reproduce the issue is running a query with sleep and shutdown the impala cluster.
{code:sql}
impala-shell> create table three_rows (i int) stored as textfile;
impala-shell> insert into three_rows values (0),(1),(2);
impala-shell> select count(*) from three_rows where i = sleep(10000); {code}
Then shutdown the impala cluster in another terminal by
{code:bash}
bin/start-impala-cluster.py --kill{code}
You will see the impala-shell quit without any timestamp to indicate when it happens:
{noformat}
[localhost:21050] default> select count(*) from three_rows where i = sleep(10000);
Query: select count(*) from three_rows where i = sleep(10000)
Query submitted at: 2024-04-01 09:37:29 (Coordinator: http://quanlong-OptiPlex-BJ:25000)
Query state can be monitored at: http://quanlong-OptiPlex-BJ:25000/query_plan?query_id=314a87750bffe176:c53e922d00000000
Scan Progress:[ ] 0%
Query Progress:[ ] 0%
Caught exception TSocket read 0 bytes, type=<class 'thrift.transport.TTransport.TTransportException'> in GetOperationStatus.
Error communicating with impalad: TSocket read 0 bytes
[Not connected] > {noformat}
We need to print a timestamp like "Query failed at 2024-04-01 09:40:32".
> Print timestamp for impala-shell errors
> ---------------------------------------
>
> Key: IMPALA-12216
> URL: https://issues.apache.org/jira/browse/IMPALA-12216
> Project: IMPALA
> Issue Type: Improvement
> Components: Clients
> Reporter: Quanlong Huang
> Priority: Major
> Labels: newbie, ramp-up
>
> Impala-shell prints the query submit time. It should also print the timestamp when it encounter failures:
> {noformat}
> default> select ...
> Query: select ...
> Query submitted at: 2023-06-14 18:32:21 (Coordinator: ...)
> Query progress can be monitored at: ...
> Error communicating with impalad: TSocket read 0 bytes{noformat}
> So we know when exactly the connection is closed in client's pespective.
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