Hi Janet,
As you have mentioned the CP Service setting has
no of workers = 2 and
max no of clients per worker = 4.
This means that only (2 x 4) 8 users can access the app. concurrently.
Though I don't have much knowledge about scalability, one answer is to
go in for multiple SM's having the same configuration name.
-- Prasad
> -----Original Message-----
> From: [EMAIL PROTECTED] [SMTP:[EMAIL PROTECTED]]
> Sent: Thursday, November 11, 1999 4:50 PM
> To: [EMAIL PROTECTED]
> Subject: [ND] No Free workers
>
>
>
> Hi folks, I searched the archives and TechNotes but couldn't find any
> answers
> about this one
>
> We have about 20 users piloting our ND4 app that runs on HP-UX. The ND4
> app
> server stopped responding today and when I looked in the
> smDefaultPartition.log
> I saw this message
>
> **************SM is started*****************
> exception CNdNoFreeWorkersException{string reason="no free workers";}
> at
> netdyn.cosi.service.loadBalancing.CNdLoadBalancingManager.allocateWorker(C
> ompiled
>
> Code)
> at netdyn.cosi.service.CNdServiceImpl.allocateWorker(Compiled Code)
> at netdyn.cosi.stubs._tie_INdService.allocateWorker(Compiled Code)
> at netdyn.cosi.stubs._INdServiceImplBase._execute(Compiled Code)
> at netdyn.cosi.stubs._INdServiceImplBase._execute(Compiled Code)
> at com.visigenic.vbroker.orb.SkeletonDelegateImpl.execute(Compiled
> Code)
> at com.visigenic.vbroker.orb.GiopProtocolAdapter.doRequest(Compiled
> Code)
> at
> com.visigenic.vbroker.orb.GiopProtocolAdapter.dispatchMessage(Compiled
> Code)
> at com.visigenic.vbroker.orb.ThreadPoolDispatcher.run(Compiled Code)
> at com.visigenic.vbroker.orb.WorkerThread.run(Compiled Code
>
> and that "no free workers" junk was repeated 8 times.
>
> I chked our CP service settings...and I see we have:
> # of workers = 2
> max # clients per worker = 4
>
> (Hmnn, 2 x 4 = 8...is that why it was repeated 8 times?)
>
> Questions:
> Does it seem likely that with only 20 total users (and most likely no more
> then
> 10 of them accessing the app concurrently) we would hit a "no free worker"
> problem?
>
> Could the scarcity of memory/space on the HP server box contribute to this
> problem?
>
> If anyone has a decent understanding of this, could you please shed some
> light
> on this?
>
> Thanks!
> Janet
>
>
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