Best practice to reduce size of BIA trace files

Hi,
I saw alert on BIA monitor says 'check size of trace files'. Most of my trace files are above 20MB. I clicked on details it says "Check the size of your trace files. Remove or move the trace files with the memory usage that is too high or trace files that are no longer needed."
I would like to reduce them these trace files but not sure what is the safetest way to do it. Any suggestion would be appreciated!
Thanks.
Mimosa

Mimosa,
Let's be clear here first. The tracing set via sm50 is for tracing on the ABAP side of BI not the BIA.
Yes, it is safe to move/delete TrexAlertServer.trc, TrexIndexServer.trc, etc from the OS level. You can also right click the individual trace when you enter the "Trace" tab in the TREX Admin Tool (python) and I believe there is options to delete them there but it is certaintly OKAY to do this on the OS level. They are simply recreated when new traces are generated.
I would recommend that you simply .zip the files and move the .zip files to another folder in case SAP support may need them to analyze an issue. As long as they aren't huge, and if hard disk space permits, this shouldnt be an issue. After this you then will need to delete the trace file. It is important that if a trace file has an open handle registered to it then it wont let you delete/move it. Therefore it might be a good idea to do this task when system activity is low or non-existent.
2 things also to check:
1. Make sure the python trace is not on.
2. In the python TREXAdmin Tool, check the Alerts tab and click "Alert Server Configuration". Make sure the trace level is set to "error".
Hope that helps. As always check the TOM for any concerns:
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/46e11c10-0e01-0010-1182-b02db2e8bafb
Edited by: Mike Bestvina on Apr 1, 2008 3:59 AM - revised some statements to be more clear

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On 04.05.2012 02:26, djhess wrote:
>
> Hi fellow Groupwise gurus,
> Am taking a position with a new company that has just informed me they
> have a 400GB PO message store. I informed them that, uh yea, this is a
> bit of a problem.
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