Re: Amanda Performance

2013-03-14 Thread Jean-Louis Martineau
Compression is often a CPU bottleneck, did you check for cpu usage? You can try to use pigz instead of gzip if you have available core. How many dump are you doing in parallel? You can try to increase inparallel, netusage and/or maxdumps. You can use amplot and amstatus to check amanda perfor

Re: Amanda Performance

2013-03-14 Thread Brian Cuttler
Amit, I don't think you told us how many client systems, compression can be done on the client or the server. Also, besides the inparallel and maxdump settings, are you short on work area - as Jean-Louis said, the amplot output will help you spot those bottlenecks. Brian On Thu, Mar 14, 2013 at

Re: Amanda Performance

2013-03-14 Thread Amit Karpe
Thanks gurus, let me share more info about my setup: Network-speed: On main server: # dmesg | grep -i duplex bnx2: eth0 NIC Copper Link is Up, 1000 Mbps full duplex On few clients: # dmesg | grep -i duplex tg3: eth0: Link is up at 1000 Mbps, full duplex. # dmesg | grep -i duplex [ 13.122791] e1

Re: Amanda Performance

2013-03-14 Thread Amit Karpe
I am sharing her more Info: cpu usage On server (Intel® Xeon® series Quad core processors @ 2.66GHz) # ps -eo pcpu,pid,user,args | sort -r -k1 | head %CPU PID USER COMMAND 6.0 26873 33 /usr/bin/gzip --fast 4.3 26906 33 /usr/bin/gzip --fast 27.7 30002 ntop ntop 2.1 26517 3