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https://issues.apache.org/jira/browse/DERBY-1272?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12778661#action_12778661
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Myrna van Lunteren commented on DERBY-1272:
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I can understand how valuable it will be in a Tech Support situation of a 
product that embeds another product that embeds another product that embeds 
Derby to have sysinfo - with additional jvm data - show up in derby.log without 
having to figure out where to set a property.

But I do think if someone has already set derby.infolog.append=true, and is 
used to doing a lot of starting and shutting down, the derby.log could now grow 
quite large quickly. So I worry about doing this by default...
Did you intend to backport such a change?

I was thinking perhaps sysinfo output could go to a separate log file, to show 
up wherever derby.log lives...?
But likely I over-estimate the growth of derby.log; and I agree something more 
than what we get currently will be useful.

> Change sysinfo to print to error log (derby.log) on boot of derby  if 
> derby.stream.error.logSeverityLevel=0
> -----------------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-1272
>                 URL: https://issues.apache.org/jira/browse/DERBY-1272
>             Project: Derby
>          Issue Type: Improvement
>          Components: Tools
>    Affects Versions: 10.1.2.1, 10.1.3.1, 10.2.1.6
>            Reporter: Kathey Marsden
>            Priority: Minor
>         Attachments: derby-1272-pre.diff, derby-1272-pre2.diff, 
> derby-1272-pre3.diff, derby-1272-v4.diff, DERBY-1272v5.diff, 
> DERBY-1272v6.diff, DERBY-1272v6.stat, DERBY-1272v8.diff
>
>
> It is often very difficult to collect correct sysinfo output from user 
> environments because  sysinfo run from the commandline does not have the same 
> classpath as the jvm that started Derby or Derby was loaded with a custom 
> classloader.
> It would be very helpful in assisting users in diagnosing their issues if 
> sysinfo dumped to the error log if  derby.stream.error.logSeverityLevel=0  or 
> even by default.

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