Here's my result of strace -f -c -p glusterPID Process 1993 detached Process 1994 detached Process 1996 detached Process 2004 detached Process 2006 detached Process 2013 detached Process 3469 detached % time seconds usecs/call calls errors syscall ------ ----------- ----------- --------- --------- ---------------- 38.39 23.261809 11899 1955 86 lgetxattr 28.31 17.155779 35667 481 52 futex 16.58 10.046922 70258 143 epoll_wait 15.33 9.292713 929271 10 nanosleep 1.36 0.826873 826873 1 restart_syscall 0.01 0.007801 51 154 getdents 0.00 0.002299 4 572 readv 0.00 0.002176 1 1787 lstat 0.00 0.001078 90 12 read 0.00 0.000896 6 141 writev 0.00 0.000472 3 142 lseek 0.00 0.000207 2 126 clock_gettime 0.00 0.000194 49 4 munmap 0.00 0.000079 4 22 fcntl 0.00 0.000000 0 26 open 0.00 0.000000 0 25 close 0.00 0.000000 0 20 stat 0.00 0.000000 0 4 fstat 0.00 0.000000 0 4 mmap 0.00 0.000000 0 4 statfs ------ ----------- ----------- --------- --------- ---------------- 100.00 60.599298 5633 138 total -----Original Message----- From: Pavan T C [mailto:tcp at gluster.com] Sent: Wednesday, July 27, 2011 6:18 PM To: ???(yongjoon kong)/Cloud Computing ????/SKCC Cc: gluster-users at gluster.org Subject: Re: gluster's cpuload is too high on specific birck daemon On Wednesday 27 July 2011 01:45 PM, ???(yongjoon kong)/Cloud Computing ????/SKCC wrote: > Hello, > > I'm gluster with distributed-replicated mode(4 brick server) > > And 10client server mount gluster volume brick1 server. ( mount -t glustefs brick1:/volume /mnt) > > And there's very strange thing. > > The brick1's cpu load is too high. From 'top' command, it's over 400% > But other brick's load is too low. It is possible that an AFR self heal is getting triggered. On the brick, run the following command: strace -f -c -p <glusterfs.pid> and provide the output. Pavan > > Is there any reason for this? Or Is there anyway tracking down this issue? > > Thanks. > > > _______________________________________________ > Gluster-users mailing list > Gluster-users at gluster.org > http://gluster.org/cgi-bin/mailman/listinfo/gluster-users
