Install atop. It can give you more detail on where your load is coming from.
~larry On Oct 2, 2012, at 4:23 PM, "Nathan Steele" <nathan.ste...@thecrossfm.com> wrote: > I tried this: > nice -n 19 ionice -c3 rsync -av --bwlimit=20000 > > the problem remained, I stood in the controll room and watched the > rdairplay screen, it would freeze for several seconds, run a few > seconds, and freeze again, this went on for 2 minutes then I went and > killed the rsync by ctrl-c, went back to the control room and this > behaviour continued, to the end of the the song, then there was a period > of dead air, the next element ( a liner) was jumped (it was not a hard > time event either) and the next song played, things returned to normal > at this point. the whole time the screen was freezing, the song that was > playing played fine. > > if I understood correctly, 20000 should be 20000 kB, so 20 mB/s, on a > gigabit connection should not be a problem... > what am I missing? > > I did notice that out of 4GB of RAM on the server, i had only ~300 mb > free, but that seems it should be enough also. for curiosity though, how > do I find what is using the memory and free some up if possible? > > Any suggestions where to look for my bottleneck? > > thanks. > > PS I tried the ionice and bwlimit on the box I run samba on and it > worked well, this machine hosts a database for our timeclock software > and the rsync backup made it grind to a halt and timeclock becam > unresponsive, the machine was just a spare clunker we had when our old > one died, and it is pretty low spec. these commands made the timeclock > usable during the backup, sluggish, but useable. > > Nathaniel C. Steele > Assistant Chief Engineer/Technical Director > WTRM-FM / TheCrossFM > > On 10/2/2012 1:36 PM, James Harrison wrote: >> -----BEGIN PGP SIGNED MESSAGE----- >> Hash: SHA1 >> >> Correspondingly, the ionice command may help. >> >> Cheers, >> James Harrison >> >> On 02 October 2012 18:08:33, Stan Fotinos wrote: >>> Hi Nathan >>> >>> Have you tried using the following option? --bwlimit= >>> >>> Stan >>> >>> On 2/10/12 11:26 PM, Nathan Steele wrote: >>>> Hi all, >>>> >>>> Having a problem with rsync lately (don't recall having it before, but >>>> not sure what changed, or maybe I just didn't notice). >>>> >>>> The background info: >>>> Rivendell broadcast appliance on a server machine with a 6 drive raid 5 >>>> (hardware controller) hosting mysql and /var/snd, and the delta 1010 >>>> audio card, rivendell broadcast appliance on an airplay machine, CAE >>>> running on the server (airplay runs on this machine but the audio comes >>>> out the server soundcard). A network drive is mounted as /backup on the >>>> server machine. the rivendell machines have gigabit nics and are on a >>>> gigabit switch, the network drive is 100 megabit nic. >>>> >>>> The problem: >>>> Running rsync -alv /var/snd /backup causes latency between the songs >>>> playing out. the songs play fine once they start, but we get a few >>>> seconds of dead air between songs, and it really throws the jocks off if >>>> they are on air. >>>> >>>> niceing it didn't help at all nice -n 19 rsync -alv /var/snd /backup, >>>> actually seemed to make it worse... >>>> >>>> I can't imagine the network is clogging....the cpu utilization seems to >>>> be fine, as well as RAM....... >>>> >>>> Any Ideas? >>>> >>>> the purpose of course is to backup my audio. any suggestions? am I using >>>> the wrong switches? should I be using a negative number for nice? (I >>>> read the docs and it seemed like i wanted a positive number..) >>>> >>>> thanks, >>> >>> >>> _______________________________________________ >>> Rivendell-dev mailing list >>> Rivendell-dev@lists.rivendellaudio.org >>> http://lists.rivendellaudio.org/mailman/listinfo/rivendell-dev >> -----BEGIN PGP SIGNATURE----- >> Version: GnuPG v2.0.17 (MingW32) >> Comment: Using GnuPG with Mozilla - http://www.enigmail.net/ >> >> iEYEARECAAYFAlBrJjQACgkQ22kkGnnJQAxBTwCfTo1GVT5aPy23MmauYyyYkj0M >> yK0AoJpj226/UfoDlXkljfrfxlQaI2VC >> =xzYa >> -----END PGP SIGNATURE----- >> >> _______________________________________________ >> Rivendell-dev mailing list >> Rivendell-dev@lists.rivendellaudio.org >> http://lists.rivendellaudio.org/mailman/listinfo/rivendell-dev > > _______________________________________________ > Rivendell-dev mailing list > Rivendell-dev@lists.rivendellaudio.org > http://lists.rivendellaudio.org/mailman/listinfo/rivendell-dev _______________________________________________ Rivendell-dev mailing list Rivendell-dev@lists.rivendellaudio.org http://lists.rivendellaudio.org/mailman/listinfo/rivendell-dev
