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Hi Wen, Could you send the corresponding xrootd log in the time frame: 091009 22:23:00 to 091009 22:24:00? Andy On Tue, 13 Oct 2009, wen guan wrote: > Hi Andrew, > >> I assume that you started xrootd with the -d option as the XrdCnsd is >> producing a full trace. Yes? > yes. > >> The only "problem" here that I see is that it claims it lost the connection >> to the xrootd server. Did you kill the server or restart it at >> 091009 22:23:31? > No. I haven't kill the xrootd server. I think it received a event "" > which caused it lost connection. > > Wen > > >> >> On Tue, 13 Oct 2009, wen guan wrote: >> >>> Hi Andrew, >>> >>> When using xrootd-20090904, XrdCnsd still has some problem. >>> Sometimes(2 times in 3 days are found) xrdcnsd prints some errors >>> below and then no response. >>> (*) >>> 091009 21:20:07 15685 XrdCnsdoEvents: Event: >>> 'haifeng.32505:22@pcuwsun30 create 664 >>> >>> /xrootd/users/russlan/mc_112911_ttbar_mcnlo_10TeV_ee.e111_a86_dmp95_tid000908/DUMP/DUM.000908._00570005.pool.root.4?' >>> 091009 21:20:07 15685 XrdCnsXeq: thread started >>> 091009 21:20:07 15685 XrdCnsdoEvents: Event: >>> 'haifeng.32505:22@pcuwsun30 closew >>> >>> /xrootd/users/russlan/mc_112911_ttbar_mcnlo_10TeV_ee.e111_a86_dmp95_tid000908/DUMP/DUM.000908._00570005.pool.root.4 >>> 12317450' >>> 091009 21:29:52 15685 XrdCnsdoEvents: Event: >>> 'haifeng.6132:20@pcuwsun20 create 664 >>> >>> /xrootd/users/russlan/mc_112911_ttbar_mcnlo_10TeV_ee.e111_a86_dmp95_tid000908/AOD/AOD.000908._00570003.pool.root.4?' >>> 091009 21:29:52 15685 XrdCnsXeq: thread started >>> 091009 21:29:52 15685 XrdCnsdoEvents: Event: >>> 'haifeng.6132:20@pcuwsun20 closew >>> >>> /xrootd/users/russlan/mc_112911_ttbar_mcnlo_10TeV_ee.e111_a86_dmp95_tid000908/AOD/AOD.000908._00570003.pool.root.4 >>> 47660354' >>> 091009 21:32:07 15685 XrdCnsSched: running underused thread monitor inq=0 >>> 091009 21:32:07 15685 XrdCnsSched: 2 threads; 1 idle >>> 091009 21:32:07 15685 XrdCnsSched: scheduling underused thread monitor >>> in 780 seconds >>> 091009 21:33:03 15685 XrdCnsdoEvents: Event: >>> 'haifeng.11089:22@pcuwsun22 create 664 >>> >>> /xrootd/users/russlan/mc_112911_ttbar_mcnlo_10TeV_ee.e111_a86_dmp95_tid000908/DUMP/DUM.000908._00530003.pool.root.4?' >>> 091009 21:33:03 15685 XrdCnsdoEvents: Event: >>> 'haifeng.11089:22@pcuwsun22 closew >>> >>> /xrootd/users/russlan/mc_112911_ttbar_mcnlo_10TeV_ee.e111_a86_dmp95_tid000908/DUMP/DUM.000908._00530003.pool.root.4 >>> 12482563' >>> 091009 21:37:25 15685 XrdCnsdoEvents: Event: >>> 'haifeng.11685:20@pcuwsun22 create 664 >>> >>> /xrootd/users/russlan/mc_112911_ttbar_mcnlo_10TeV_ee.e111_a86_dmp95_tid000908/LOG/sim.000908._00560015.log.4?' >>> 091009 21:37:25 15685 XrdCnsdoEvents: Event: >>> 'haifeng.11685:20@pcuwsun22 closew >>> >>> /xrootd/users/russlan/mc_112911_ttbar_mcnlo_10TeV_ee.e111_a86_dmp95_tid000908/LOG/sim.000908._00560015.log.4 >>> 4568199' >>> 091009 21:45:07 15685 XrdCnsSched: running underused thread monitor inq=0 >>> 091009 21:45:07 15685 XrdCnsSched: 2 threads; 1 idle >>> 091009 21:45:07 15685 XrdCnsSched: scheduling underused thread monitor >>> in 780 seconds >>> 091009 21:54:13 15685 XrdCnsdoEvents: Event: >>> 'haifeng.11106:22@pcuwsun31 create 664 >>> >>> /xrootd/users/russlan/mc_112911_ttbar_mcnlo_10TeV_ee.e111_a86_dmp95_tid000908/DUMP/DUM.000908._00550005.pool.root.4?' >>> 091009 21:54:13 15685 XrdCnsXeq: thread started >>> 091009 21:54:13 15685 XrdCnsdoEvents: Event: >>> 'haifeng.11106:22@pcuwsun31 closew >>> >>> /xrootd/users/russlan/mc_112911_ttbar_mcnlo_10TeV_ee.e111_a86_dmp95_tid000908/DUMP/DUM.000908._00550005.pool.root.4 >>> 12460586' >>> 091009 21:58:07 15685 XrdCnsSched: running underused thread monitor inq=0 >>> 091009 21:58:07 15685 XrdCnsSched: 2 threads; 1 idle >>> 091009 21:58:07 15685 XrdCnsSched: scheduling underused thread monitor >>> in 780 seconds >>> 091009 22:11:07 15685 XrdCnsSched: running underused thread monitor inq=0 >>> 091009 22:11:07 15685 XrdCnsSched: 2 threads; 1 idle >>> 091009 22:11:07 15685 XrdCnsSched: scheduling underused thread monitor >>> in 780 seconds >>> 091009 22:23:31 15685 XrdCnsdoEvents: Event: '' >>> 091009 22:23:31 15685 XrdCnsdoEvents: traceid missing in event ? >>> 091009 22:23:31 15685 XrdCnsdoEvents: Exiting; lost event connection to >>> xrootd! >>> >>> >>> Wen >>> >>> On Sun, Oct 11, 2009 at 4:23 PM, Andrew Hanushevsky >>> <[log in to unmask]> wrote: >>>> >>>> Hi Wen, >>>> >>>> Could be but I will ask the client developer about it. For now, let's let >>>> it >>>> run idle for a while and hen see if it gets itself into that state. >>>> >>>> Andy >>>> >>>> On Sat, 10 Oct 2009, wen guan wrote: >>>> >>>>> Hi andrew, >>>>> >>>>> I only found it happened in slc5 machines with version >>>>> xrootd-20090623(x86_64_linux_26,g++ (GCC) 3.4.6 20060404 (Red Hat >>>>> 3.4.6-9) binary version) . Sometimes I even cannot kill "XrdCnsd" with >>>>> "Kill" command. I need to use "Kill -9 " to kill it. >>>>> Last night I downloaded xrootd-20090904 src version and compiled it >>>>> locally. Until now I haven't found this problem again. Maybe the >>>>> problem is related to gcc. >>>>> >>>>> Thanks >>>>> Wen >>>>> >>>>> On Sat, Oct 10, 2009 at 3:17 AM, Andrew Hanushevsky >>>>> <[log in to unmask]> wrote: >>>>>> >>>>>> Hi Wen, >>>>>> >>>>>> OK. Does this only happen in SLC5 or does it happen in all kernels. >>>>>> >>>>>> Andy >>>>>> >>>>>> On Fri, 9 Oct 2009, wen guan wrote: >>>>>> >>>>>>> Hi Andrew, >>>>>>> >>>>>>> For newly started XrdCnsd, when doing a xrdcp, the >>>>>>> disappeared "poll" thread will appear again and an shadow will be >>>>>>> created in cns server. But for old Xrdcnsd, when doing xrdcp, no >>>>>>> "poll" thread will be started. no shadow will be created in cns >>>>>>> server. >>>>>>> >>>>>>> Wen >>>>>>> >>>>>>> On Fri, Oct 9, 2009 at 12:58 AM, Andrew Hanushevsky <[log in to unmask]> >>>>>>> wrote: >>>>>>>> >>>>>>>> Hi Wen, >>>>>>>> >>>>>>>> I guess I don't understand the actual problem. When you say 'not >>>>>>>> respond" >>>>>>>> what do you actually see to come to that conclusion. As for the >>>>>>>> analysis, >>>>>>>> and stack traces, these are all perfectly normal. The "poll" thread >>>>>>>> need >>>>>>>> not >>>>>>>> exist at all times and, in fact, will disappear after a long period >>>>>>>> of >>>>>>>> inactivity. I will look some more but I need to know what "no >>>>>>>> response" >>>>>>>> appears like. >>>>>>>> >>>>>>>> Andy >>>>>>>> >>>>>>>> ----- Original Message ----- From: "wen guan" >>>>>>>> <[log in to unmask]> >>>>>>>> To: <[log in to unmask]> >>>>>>>> Sent: Tuesday, October 06, 2009 12:46 PM >>>>>>>> Subject: XrdCnsd problem in slc5 with version xrootd-20090623 >>>>>>>> >>>>>>>> >>>>>>>>> Hi, >>>>>>>>> >>>>>>>>> The XrdCnsd in xrootd-20090623 failed to create cns frequestly. >>>>>>>>> When starting XrdCnsd, it works fine. But when trying it next day, >>>>>>>>> it >>>>>>>>> will not response. Below is the test result. >>>>>>>>> >>>>>>>>> It seems the "poll" thread cannot be started for old XrdCnsd(started >>>>>>>>> more than one day and there is no active in long time(maybe 780s)). >>>>>>>>> For (*), Process 10816 was an old XrdCnsd(started more than one day) >>>>>>>>> process which didn't response. After killed it, a new process 13665 >>>>>>>>> was created which worked fine. From here we can see process 13665 >>>>>>>>> had >>>>>>>>> a thread "poll"(thread 2) but process 10816 didn't have it. >>>>>>>>> For (**), When there was no files copied to xrootd for 10 minutes, >>>>>>>>> the "poll" thread in Process 13665 disappeared. But when I did a >>>>>>>>> xrdcp to this server. We will saw this "poll" thread again. But for >>>>>>>>> process which has on active for long time, the "poll" thread cannot >>>>>>>>> be >>>>>>>>> restart again. >>>>>>>>> >>>>>>>>> (*) >>>>>>>>> [root@pcuwdata12 ~]# ps -ef|grep xrootd-2 >>>>>>>>> xrootd 10798 1 0 Oct02 ? 00:21:21 >>>>>>>>> /opt/xrootd-20090623/bin//xrootd -b -d -R xrootd -l >>>>>>>>> /tmp/log/xrootd/xrd.log -c /opt/xrootd-20090623/conf/xrdcluster.cfg >>>>>>>>> xrootd 10809 1 0 Oct02 ? 00:00:05 >>>>>>>>> /opt/xrootd-20090623/bin//cmsd -b -d -R xrootd -l >>>>>>>>> /tmp/log/xrootd/cms.log -c /opt/xrootd-20090623/conf/xrdcluster.cfg >>>>>>>>> xrootd 10816 10798 0 Oct02 ? 00:00:00 >>>>>>>>> /opt/xrootd-20090623/bin/XrdCnsd -d -l /tmp/log/xrootd/cnsd.log >>>>>>>>> root://pcuwsun04.cern.ch:1095 >>>>>>>>> root 13452 13340 0 20:59 pts/1 00:00:00 grep xrootd-2 >>>>>>>>> [root@pcuwdata12 ~]# pstack 10816 >>>>>>>>> Thread 7 (Thread 0x410cf940 (LWP 10826)): >>>>>>>>> #0 0x000000370e40ae00 in pthread_cond_timedwait@@GLIBC_2.3.2 () >>>>>>>>> #1 0x0000000000479707 in XrdSysCondVar::Wait () >>>>>>>>> #2 0x000000000047b8e9 in XrdScheduler::TimeSched () >>>>>>>>> #3 0x000000000047a21d in XrdStartTSched () >>>>>>>>> #4 0x0000000000479637 in XrdSysThread_Xeq () >>>>>>>>> #5 0x000000370e4064a7 in start_thread () from >>>>>>>>> /lib64/libpthread.so.0 >>>>>>>>> #6 0x000000370d8d3c2d in clone () from /lib64/libc.so.6 >>>>>>>>> Thread 6 (Thread 0x416ed940 (LWP 10827)): >>>>>>>>> #0 0x000000370e40c9b1 in sem_wait () from /lib64/libpthread.so.0 >>>>>>>>> #1 0x000000000041ffb7 in XrdSysSemaphore::Wait () >>>>>>>>> #2 0x000000000047ae11 in XrdScheduler::Run () >>>>>>>>> #3 0x000000000047a241 in XrdStartWorking () >>>>>>>>> #4 0x0000000000479637 in XrdSysThread_Xeq () >>>>>>>>> #5 0x000000370e4064a7 in start_thread () from >>>>>>>>> /lib64/libpthread.so.0 >>>>>>>>> #6 0x000000370d8d3c2d in clone () from /lib64/libc.so.6 >>>>>>>>> Thread 5 (Thread 0x417ee940 (LWP 10828)): >>>>>>>>> #0 0x000000370e40c9b1 in sem_wait () from /lib64/libpthread.so.0 >>>>>>>>> #1 0x000000000041ffb7 in XrdSysSemaphore::Wait () >>>>>>>>> #2 0x000000000047ae11 in XrdScheduler::Run () >>>>>>>>> #3 0x000000000047a241 in XrdStartWorking () >>>>>>>>> #4 0x0000000000479637 in XrdSysThread_Xeq () >>>>>>>>> #5 0x000000370e4064a7 in start_thread () from >>>>>>>>> /lib64/libpthread.so.0 >>>>>>>>> #6 0x000000370d8d3c2d in clone () from /lib64/libc.so.6 >>>>>>>>> Thread 4 (Thread 0x418ef940 (LWP 10834)): >>>>>>>>> #0 0x000000370e40d5cb in read () from /lib64/libpthread.so.0 >>>>>>>>> #1 0x00000000004736b9 in XrdOucStream::GetLine () >>>>>>>>> #2 0x000000000041eb06 in XrdCnsDaemon::getEvents () >>>>>>>>> #3 0x000000000041dcfc in CnsEvents () >>>>>>>>> #4 0x0000000000479637 in XrdSysThread_Xeq () >>>>>>>>> #5 0x000000370e4064a7 in start_thread () from >>>>>>>>> /lib64/libpthread.so.0 >>>>>>>>> #6 0x000000370d8d3c2d in clone () from /lib64/libc.so.6 >>>>>>>>> Thread 3 (Thread 0x419f0940 (LWP 10835)): >>>>>>>>> #0 0x000000370e40d174 in __lll_lock_wait () from >>>>>>>>> /lib64/libpthread.so.0 >>>>>>>>> #1 0x000000370e408aca in _L_lock_1034 () from >>>>>>>>> /lib64/libpthread.so.0 >>>>>>>>> #2 0x000000370e40898c in pthread_mutex_lock () from >>>>>>>>> /lib64/libpthread.so.0 >>>>>>>>> #3 0x000000000041ff5b in XrdSysMutex::Lock () >>>>>>>>> #4 0x000000000041f6d4 in XrdCnsEvent::Queue () >>>>>>>>> #5 0x000000000041ee43 in XrdCnsDaemon::getEvents () >>>>>>>>> #6 0x000000000041dcfc in CnsEvents () >>>>>>>>> #7 0x0000000000479637 in XrdSysThread_Xeq () >>>>>>>>> #8 0x000000370e4064a7 in start_thread () from >>>>>>>>> /lib64/libpthread.so.0 >>>>>>>>> #9 0x000000370d8d3c2d in clone () from /lib64/libc.so.6 >>>>>>>>> Thread 2 (Thread 0x41af1940 (LWP 11659)): >>>>>>>>> #0 0x000000370d89a0b1 in nanosleep () from /lib64/libc.so.6 >>>>>>>>> #1 0x000000370d899ed4 in sleep () from /lib64/libc.so.6 >>>>>>>>> #2 0x000000000044117a in GarbageCollectorThread () >>>>>>>>> #3 0x000000000045413a in XrdClientThreadDispatcher () >>>>>>>>> #4 0x0000000000479637 in XrdSysThread_Xeq () >>>>>>>>> #5 0x000000370e4064a7 in start_thread () from >>>>>>>>> /lib64/libpthread.so.0 >>>>>>>>> #6 0x000000370d8d3c2d in clone () from /lib64/libc.so.6 >>>>>>>>> Thread 1 (Thread 0x2b53e8698db0 (LWP 10816)): >>>>>>>>> #0 0x000000370e40c9b1 in sem_wait () from /lib64/libpthread.so.0 >>>>>>>>> #1 0x000000000041ffb7 in XrdSysSemaphore::Wait () >>>>>>>>> #2 0x000000000041f8bd in XrdCnsEvent::Remove () >>>>>>>>> #3 0x000000000041ea05 in XrdCnsDaemon::doRequests () >>>>>>>>> #4 0x00000000004202d1 in main () >>>>>>>>> [root@pcuwdata12 ~]# kill 10816 >>>>>>>>> [root@pcuwdata12 ~]# kill 10816 >>>>>>>>> -bash: kill: (10816) - No such process >>>>>>>>> [root@pcuwdata12 ~]# ps -ef|grep xrootd-2 >>>>>>>>> xrootd 10798 1 0 Oct02 ? 00:21:21 >>>>>>>>> /opt/xrootd-20090623/bin//xrootd -b -d -R xrootd -l >>>>>>>>> /tmp/log/xrootd/xrd.log -c /opt/xrootd-20090623/conf/xrdcluster.cfg >>>>>>>>> xrootd 10809 1 0 Oct02 ? 00:00:05 >>>>>>>>> /opt/xrootd-20090623/bin//cmsd -b -d -R xrootd -l >>>>>>>>> /tmp/log/xrootd/cms.log -c /opt/xrootd-20090623/conf/xrdcluster.cfg >>>>>>>>> xrootd 13665 10798 0 21:03 ? 00:00:00 >>>>>>>>> /opt/xrootd-20090623/bin/XrdCnsd -d -l /tmp/log/xrootd/cnsd.log >>>>>>>>> root://pcuwsun04.cern.ch:1095 >>>>>>>>> root 13678 13340 0 21:03 pts/1 00:00:00 grep xrootd-2 >>>>>>>>> [root@pcuwdata12 ~]# pstack 13665 >>>>>>>>> Thread 8 (Thread 0x4074b940 (LWP 13666)): >>>>>>>>> #0 0x000000370e40ae00 in pthread_cond_timedwait@@GLIBC_2.3.2 () >>>>>>>>> #1 0x0000000000479707 in XrdSysCondVar::Wait () >>>>>>>>> #2 0x000000000047b8e9 in XrdScheduler::TimeSched () >>>>>>>>> #3 0x000000000047a21d in XrdStartTSched () >>>>>>>>> #4 0x0000000000479637 in XrdSysThread_Xeq () >>>>>>>>> #5 0x000000370e4064a7 in start_thread () from >>>>>>>>> /lib64/libpthread.so.0 >>>>>>>>> #6 0x000000370d8d3c2d in clone () from /lib64/libc.so.6 >>>>>>>>> Thread 7 (Thread 0x41b0f940 (LWP 13667)): >>>>>>>>> #0 0x000000370e40c9b1 in sem_wait () from /lib64/libpthread.so.0 >>>>>>>>> #1 0x000000000041ffb7 in XrdSysSemaphore::Wait () >>>>>>>>> #2 0x000000000047ae11 in XrdScheduler::Run () >>>>>>>>> #3 0x000000000047a241 in XrdStartWorking () >>>>>>>>> #4 0x0000000000479637 in XrdSysThread_Xeq () >>>>>>>>> #5 0x000000370e4064a7 in start_thread () from >>>>>>>>> /lib64/libpthread.so.0 >>>>>>>>> #6 0x000000370d8d3c2d in clone () from /lib64/libc.so.6 >>>>>>>>> Thread 6 (Thread 0x41d8c940 (LWP 13668)): >>>>>>>>> #0 0x000000370e40c9b1 in sem_wait () from /lib64/libpthread.so.0 >>>>>>>>> #1 0x000000000041ffb7 in XrdSysSemaphore::Wait () >>>>>>>>> #2 0x000000000047ae11 in XrdScheduler::Run () >>>>>>>>> #3 0x000000000047a241 in XrdStartWorking () >>>>>>>>> #4 0x0000000000479637 in XrdSysThread_Xeq () >>>>>>>>> #5 0x000000370e4064a7 in start_thread () from >>>>>>>>> /lib64/libpthread.so.0 >>>>>>>>> #6 0x000000370d8d3c2d in clone () from /lib64/libc.so.6 >>>>>>>>> Thread 5 (Thread 0x41e8d940 (LWP 13669)): >>>>>>>>> #0 0x000000370e40d5cb in read () from /lib64/libpthread.so.0 >>>>>>>>> #1 0x00000000004736b9 in XrdOucStream::GetLine () >>>>>>>>> #2 0x000000000041eb06 in XrdCnsDaemon::getEvents () >>>>>>>>> #3 0x000000000041dcfc in CnsEvents () >>>>>>>>> #4 0x0000000000479637 in XrdSysThread_Xeq () >>>>>>>>> #5 0x000000370e4064a7 in start_thread () from >>>>>>>>> /lib64/libpthread.so.0 >>>>>>>>> #6 0x000000370d8d3c2d in clone () from /lib64/libc.so.6 >>>>>>>>> Thread 4 (Thread 0x41f8e940 (LWP 13670)): >>>>>>>>> #0 0x000000370e40d5cb in read () from /lib64/libpthread.so.0 >>>>>>>>> #1 0x00000000004736b9 in XrdOucStream::GetLine () >>>>>>>>> #2 0x000000000041eb06 in XrdCnsDaemon::getEvents () >>>>>>>>> #3 0x000000000041dcfc in CnsEvents () >>>>>>>>> #4 0x0000000000479637 in XrdSysThread_Xeq () >>>>>>>>> #5 0x000000370e4064a7 in start_thread () from >>>>>>>>> /lib64/libpthread.so.0 >>>>>>>>> #6 0x000000370d8d3c2d in clone () from /lib64/libc.so.6 >>>>>>>>> Thread 3 (Thread 0x4208f940 (LWP 13671)): >>>>>>>>> #0 0x000000370d89a0b1 in nanosleep () from /lib64/libc.so.6 >>>>>>>>> #1 0x000000370d899ed4 in sleep () from /lib64/libc.so.6 >>>>>>>>> #2 0x000000000044117a in GarbageCollectorThread () >>>>>>>>> #3 0x000000000045413a in XrdClientThreadDispatcher () >>>>>>>>> #4 0x0000000000479637 in XrdSysThread_Xeq () >>>>>>>>> #5 0x000000370e4064a7 in start_thread () from >>>>>>>>> /lib64/libpthread.so.0 >>>>>>>>> #6 0x000000370d8d3c2d in clone () from /lib64/libc.so.6 >>>>>>>>> Thread 2 (Thread 0x41279940 (LWP 13672)): >>>>>>>>> #0 0x000000370d8cae46 in poll () from /lib64/libc.so.6 >>>>>>>>> #1 0x000000000046b945 in XrdClientSock::RecvRaw () >>>>>>>>> #2 0x000000000044e08c in XrdClientPhyConnection::ReadRaw () >>>>>>>>> #3 0x000000000044ac3e in XrdClientMessage::ReadRaw () >>>>>>>>> #4 0x000000000044e84c in XrdClientPhyConnection::BuildMessage () >>>>>>>>> #5 0x000000000044b730 in SocketReaderThread () >>>>>>>>> #6 0x000000000045413a in XrdClientThreadDispatcher () >>>>>>>>> #7 0x0000000000479637 in XrdSysThread_Xeq () >>>>>>>>> #8 0x000000370e4064a7 in start_thread () from >>>>>>>>> /lib64/libpthread.so.0 >>>>>>>>> #9 0x000000370d8d3c2d in clone () from /lib64/libc.so.6 >>>>>>>>> Thread 1 (Thread 0x2b06bb478db0 (LWP 13665)): >>>>>>>>> #0 0x000000370e40c9b1 in sem_wait () from /lib64/libpthread.so.0 >>>>>>>>> #1 0x000000000041ffb7 in XrdSysSemaphore::Wait () >>>>>>>>> #2 0x000000000041f8bd in XrdCnsEvent::Remove () >>>>>>>>> #3 0x000000000041ea05 in XrdCnsDaemon::doRequests () >>>>>>>>> #4 0x00000000004202d1 in main () >>>>>>>>> [root@pcuwdata12 ~]# >>>>>>>>> [root@pcuwdata12 ~]# >>>>>>>>> >>>>>>>>> >>>>>>>>> (***) cnsd.log >>>>>>>>> 091006 20:56:10 1828 XrdCnsSched: running underused thread monitor >>>>>>>>> inq=0 >>>>>>>>> 091006 20:56:10 1828 XrdCnsSched: 2 threads; 1 idle >>>>>>>>> 091006 20:56:10 1828 XrdCnsSched: scheduling underused thread >>>>>>>>> monitor >>>>>>>>> in 780 seconds >>>>>>>>> >>>>>>>>> >>>>>>>>> Thanks >>>>>>>>> Wen >>>>>>>>> >>>>>>>> >>>>>>>> >>>>>> >>>> >> >