On Friday 19 March 2010 03:17:29 am Vijay Bellur wrote:
> Benjamin Long wrote:
> >> Do you have details of GlusterFS's memory usage (Resident Memory and
> >> percentage of memory used) at the instant when the oom condition was
> >> observed?
> >
> > Yep. It's a VM with 1GB of ram. It runs nothing but gluster, rsync, and
> > ssh. I saw glusterfs using 97% of the ram just before it died. All the
> > swap was used up too.
> >
> > Here's the output of top about 10 min before that:
> > PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
> > 2868 root 20 0 55664 2356 648 S 14 0.2 0:23.28 rsync
> > 2239 root 20 0 933m 752m 1300 R 5 74.9 0:12.06 glusterfs
>
> Can you please provide us the GlusterFS version that you are running and
> the client volume file? If it is 3.0.0 and you are using configuration
> generated by glusterfs-volgen in a system that does not have too much
> RAM, this is a possibility.
>
> Regards,
> Vijay
>
I'm currently running 3.0.2. Here is the client volfile for the user home
directories. It was originaly created by volgen, but I made some changes.
# RAID 1
# TRANSPORT-TYPE tcp
volume 10.10.2.29-1
type protocol/client
option transport-type tcp
option remote-host 10.10.2.29
option transport.socket.nodelay on
option transport.remote-port 6997
option remote-subvolume home-ds-locks-io-filter
end-volume
volume 10.10.2.30-1
type protocol/client
option transport-type tcp
option remote-host 10.10.2.30
option transport.socket.nodelay on
option transport.remote-port 6997
option remote-subvolume home-ds-locks-io-filter
end-volume
volume mirror-0
type cluster/replicate
subvolumes 10.10.2.29-1 10.10.2.30-1
option metadata-change-log on
# option data-lock-server-count 2
# option metadata-lock-server-count 2
# option entry-lock-server-count 2
end-volume
volume writebehind
type performance/write-behind
option cache-size 4MB
subvolumes mirror-0
end-volume
volume readahead
type performance/read-ahead
option page-count 4
subvolumes writebehind
end-volume
volume iocache
type performance/io-cache
option cache-size 100MB
option cache-timeout 1
subvolumes readahead
end-volume
volume quickread
type performance/quick-read
option cache-timeout 1
option max-file-size 64kB
subvolumes iocache
end-volume
volume statprefetch
type performance/stat-prefetch
subvolumes quickread
end-volume
--
Benjamin Long
