Jean-Marc Orliaguet wrote at 2005-12-6 21:45 +0100: > ... >>You err: I do want to see them in the logfile and >>I stole Florents idea to use "threadframe" (in his "DeadlockDebugger") >>to include a traceback for long running requests in the logfile. >>This way, it is >>easy not only to identify long running requests but also to >>get hints where they are spending their time... >> >> >>You will not believe how fast this has eliminated our remaining >>long running requests and especially to track down >>a non deterministic rarely occuring apparent deadlock situation... >> >> >>Thus, I can *very* strongly recommend to include such logging entries :-) >> >> >> >> > >Absolutely, this is called "debugging an application" (=> DEBUG, TRACE). >Our sysadms are not really interested in this kind of info.
Ours are -- especially to hunt down non-deterministic problems that actually are mail server problems (the above mentioned "apparent deadlock" was caused by a mail server occationally not responding for many minutes). >They want to >know if some action should be taken or not and messages such as these >are misleading. Long running requests (and a high rate of "ConflictError"s) *ARE* instances when "some action should be taken" -- probably to contact the vendor/developper. > ... >>But, we use our own Zope. And our Zope learned very early to emit >>informative "ConflictError" log entries -- those that show >>*which* object caused the "ConflictError". >>These log entries gave valuable hints on how to improve our application. > >Sure, but I think that you are both developer and sysadm at the same >time. This is not the case everywhere. True. But "ConflictError"s occur non-deterministically. Whenever, you are faced with non-deterministical problems, you are quite happy when the true operational system provides enough information to guide the analysis -- because it is so difficult to reproduce the behaviour in a development environment. -- Dieter _______________________________________________ Zope-Dev maillist - Zope-Dev@zope.org http://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope )