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MQSeries.net Forum Index » WebSphere Message Broker (ACE) Support » Anyone using IA0Y - CircularLogNode plugin with WBIMB V5 ??

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RatherBeGolfing
PostPosted: Fri Jan 20, 2006 10:59 am    Post subject: Anyone using IA0Y - CircularLogNode plugin with WBIMB V5 ?? Reply with quote

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Joined: 12 Nov 2002
Posts: 118
Location: Syracuse, NY, USA

We're looking at this support pack to handle trace files more automatically, but see that it is still at version 1.0, with install and use directions geared to V2.1 users.

Has anyone installed it with V5.0 ? Or, is there another way to automatically control the size of trace files (yes, in production)?

Thanks in advance!
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jefflowrey
PostPosted: Fri Jan 20, 2006 11:07 am    Post subject: Reply with quote

Grand Poobah

Joined: 16 Oct 2002
Posts: 19981

If you're on unix, you can maybe point your trace file at a pipe that will handle the circular logging for you.

There are also probably hundreds of programs out there that will read an entire file, copy the contents to another file, and then blank the original file (without deleting it).

It should be pretty easy to write such a thing in Perl, among other languages.
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RatherBeGolfing
PostPosted: Fri Jan 20, 2006 11:23 am    Post subject: Reply with quote

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Joined: 12 Nov 2002
Posts: 118
Location: Syracuse, NY, USA

Sorry I didn't mention....I'm running on Windows 2003 machines. Also, we've noticed that when the Exec Groups are running, they hold locks on the trace files....so we can't purge them unless we stop the broker service...
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jefflowrey
PostPosted: Fri Jan 20, 2006 11:59 am    Post subject: Reply with quote

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You can't delete them, no.

But, for example, Notepad can erase the contents manually.
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RatherBeGolfing
PostPosted: Fri Jan 20, 2006 12:19 pm    Post subject: Reply with quote

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Joined: 12 Nov 2002
Posts: 118
Location: Syracuse, NY, USA

And then the problem was that the files became so large that they couldn't actually be opened in Notepad!!!

We're working with the developers to ensure more intelligent tracing, however now we're facing SOX requirements to "save everything" and trace nodes are looking like a possible solution....hopefully it won't fall out that way...still in the design stages.
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jefflowrey
PostPosted: Fri Jan 20, 2006 12:28 pm    Post subject: Reply with quote

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My point about Notepad was that programs that ignore the locking can overwrite the file handle with empty data. Thus resetting the file size.

Thus, you can write a program that reads the file, echoing it into a circularly or linerally logged file, and empty the original file - as long as your program can ignore the locking.

Trace files in general are probably not what you want for logging. Write messages out to another queue, and have a flow that dumps the contents of that queue into a database.
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