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From "Myrna van Lunteren (Closed) (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (DERBY-5649) make improvements to nstest so it's easier to run/analyze/debug
Date Fri, 16 Mar 2012 00:22:37 GMT

     [ https://issues.apache.org/jira/browse/DERBY-5649?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Myrna van Lunteren closed DERBY-5649.

    Resolution: Fixed
> make improvements to nstest so it's easier to run/analyze/debug
> ---------------------------------------------------------------
>                 Key: DERBY-5649
>                 URL: https://issues.apache.org/jira/browse/DERBY-5649
>             Project: Derby
>          Issue Type: Task
>          Components: Test
>    Affects Versions:
>            Reporter: Myrna van Lunteren
>            Assignee: Myrna van Lunteren
>            Priority: Minor
>             Fix For:,
>         Attachments: DERBY-5649.diff1
> The system test nstest ran into a number of error situations during the 10.8.2 QA cycle.
However, some are known, some were found to be pre-existing situations (although intermittent,
so we've been lucky/unlucky not to run into them). Some errors are expected. And some problems
were indeed new.
> However, the test output is very wordy and it's complicated identifying real issues and
sorting through the messages.
> It would be helpful to clean this up some.
> I found the following areas for easy improvement:
> - InitThread messages and Intializer.java: exited add_one_row: 1 rows
> 	seems like this is really the same message. 
> 	If we eliminate one, we'll have limited that part of the output by 50%.
> - TesterThreads - seems to send one message re 'attempting to', one for fail/success.

>    	Again, if we eliminate the 'attempted to' messages, we'd have made the output smaller.
> - db_util.pick_one - seems also unnecessary - can this be combined with the
>    insert / update / delete messages that are using the picked row?
> - ERROR 22003 -> The resulting value is ourside the range for data type DECIMAL/NUMERIC(5,0)
> 	The column is t_decimal(decimal), i.e. a decimal(5,0). The value it's attempting to
insert is clearly 
>         not suitable. From the code (in dbUtil) it does not look like this was intended
to be a negative test.
>         Eliminating the error (and its corresponding stack prints) would probably make
the output considerably smaller
>         and make looking for interesting errors easier.
> - There seems to be a section that can be used as a smaller test case, but you need to
comment out the 'normal' settings, and uncomment out these settings. It would make more sense
to make the small configuration as an option.
> - With a small configuration, the backup thread would run on when all other tests are
done, because it has the same
>    value for MAX_ITERATIONS, but in contrast to the tester threads, the backup threads
runs every 10 minutes.
>    Thus, when all other threads are done, the backup threads continue until 50x10 minutes
have passed (plus the time it takes to actually do the backup, re-encrypt, restore). So it
would make more sense to finish the backup threads if there is no further activity to the
> - there are some typos and strange line-spacings making some comments hard to read.

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