Hi Martin, There's a new change in /conf/red5-common.xml in rev. 1715, which disables bandwidth control, so maybe the latest version works better now?
Martin Schipper wrote: > Hi Klaus, > > That sounds familiar indeed; If you monitor your CPU usage, is one CPU > doing 100% and the other almost 0%? > > Grtz, > > Martin > > Klaus wrote: > >> I think I experince the same. >> >> I'm running a live webcam chat. It's all published lived and not recorded. >> >> At first everything is working fine, but after a while (hours?) , the >> stream freezes. Also for a few seconds and then resumes. Even if red5 is >> only taking up less than 1mbit of bandwidth. >> >> It also takes up more and more memory. appserver-33 ? >> >> After I restart red5, it works fine again for a while. So at the moment >> I restart red5 when no one is online :p >> >> I'm running red5 0.6 rc1 on redhat enterprise 4, 2gb ram, 2 x 3.2ghz >> cpu's , java1_5 >> >> Regard, >> Klaus >> >> >> >> >> Martin Schipper wrote: >> >> >>> Ey Thijs, >>> >>> I use the trunk version (1681) today I'll try updating, I saw the >>> current Rev is 1700. >>> I'm also wondering if others have experience with a heavily loaded >>> Red5 on a multiprocessor machine, does it use all processors? >>> >>> Tnx, >>> >>> Martin >>> >>> Thijs Triemstra | Collab wrote: >>> >>> >>>> Hoi Martin, >>>> >>>> what version of red5 are you using? There a bug with large flv's >>>> which is fixed, just wondering if you're already using that version >>>> or not.. >>>> check http://jira.red5.org/browse/SN-2 and http://jira.red5.org/ >>>> browse/APPSERVER-8 for details. >>>> >>>> grt, >>>> >>>> Thijs >>>> >>>> >>>> Op 6-feb-2007, om 13:38 heeft Martin Schipper het volgende geschreven: >>>> >>>> >>>> >>>> >>>>> Hi peoples, >>>>> >>>>> I think I found a nasty issue (or I'm doing something wrong ;)). >>>>> I use Red5 as a streaming video server like used on http:// >>>>> www.geefme.nl/ >>>>> >>>>> The problem is that when serving several different and big flv files >>>>> (300MB+) and having more than 20 clients (some connecting, seeking or >>>>> just watching) Red5 stops responding for a couple of seconds and than >>>>> resumes. >>>>> >>>>> First I tested on a single core, single processor P4 3.0GHz. At 15~20+ >>>>> clients this event occurs frequently (freezing for a couple of >>>>> seconds) >>>>> and the server has a CPU usage of 100%. >>>>> Than I tested on a dual core, single processor Core2duo 2GHz. At the >>>>> same amount of clients the same problems occurs but the CPU usage hits >>>>> 25%... >>>>> 20 clients is approximate 20~25Mbps of traffic and when the >>>>> application >>>>> 'freezes', the traffic drops to 100Kbps and the CPU maxes out (single >>>>> proc = 100% on the Core2duo system: 25%). >>>>> >>>>> For you're information; I run Debian Linux first with JRE 1.5 and >>>>> later >>>>> with JRE 1.6 (tested with both JRE's). Both machines have 4GB >>>>> memory and >>>>> the FLV's are served from a fileserver using NFS connected by a 1Gbps >>>>> Ethernet connection. >>>>> >>>>> When I checked the logs I found out all IO uses the same thread. >>>>> Like this: >>>>> >>>>> [DEBUG] 2007-02-05 23:02:40,621 SocketAcceptorIoProcessor-0.0:( >>>>> flvPlayer.debug ) giveMovie; found 7 >>>>> [DEBUG] 2007-02-05 23:02:40,621 SocketAcceptorIoProcessor-0.0:( >>>>> flvPlayer.debug ) 512 -- .flv >>>>> [DEBUG] 2007-02-05 23:02:40,622 SocketAcceptorIoProcessor-0.0:( >>>>> flvPlayer.debug ) found: 512 >>>>> [DEBUG] 2007-02-05 23:02:40,622 SocketAcceptorIoProcessor-0.0:( >>>>> flvPlayer.debug ) 1024 -- .flv >>>>> [DEBUG] 2007-02-05 23:02:40,622 SocketAcceptorIoProcessor-0.0:( >>>>> flvPlayer.debug ) found: 1024 >>>>> [DEBUG] 2007-02-05 23:02:40,622 SocketAcceptorIoProcessor-0.0:( >>>>> flvPlayer.debug ) 33 -- .flv >>>>> [DEBUG] 2007-02-05 23:02:40,622 SocketAcceptorIoProcessor-0.0:( >>>>> flvPlayer.debug ) found: 33 >>>>> [DEBUG] 2007-02-05 23:02:40,622 SocketAcceptorIoProcessor-0.0:( >>>>> flvPlayer.debug ) 56 -- .flv >>>>> [DEBUG] 2007-02-05 23:02:40,623 SocketAcceptorIoProcessor-0.0:( >>>>> flvPlayer.debug ) found: 56 >>>>> [DEBUG] 2007-02-05 23:02:40,623 SocketAcceptorIoProcessor-0.0:( >>>>> flvPlayer.debug ) 256 -- .flv >>>>> [DEBUG] 2007-02-05 23:02:40,623 SocketAcceptorIoProcessor-0.0:( >>>>> flvPlayer.debug ) found: 256 >>>>> [DEBUG] 2007-02-05 23:02:40,623 SocketAcceptorIoProcessor-0.0:( >>>>> flvPlayer.debug ) 128 -- .flv >>>>> [DEBUG] 2007-02-05 23:02:40,623 SocketAcceptorIoProcessor-0.0:( >>>>> flvPlayer.debug ) found: 128 >>>>> [DEBUG] 2007-02-05 23:02:40,624 SocketAcceptorIoProcessor-0.0:( >>>>> flvPlayer.debug ) 64 -- .flv >>>>> [DEBUG] 2007-02-05 23:02:40,624 SocketAcceptorIoProcessor-0.0:( >>>>> flvPlayer.debug ) found: 64 >>>>> [DEBUG] 2007-02-05 23:02:40,760 SocketAcceptorIoProcessor-0.0:( >>>>> Application.debug ) Success, APPconnect from /62.45.13.69:1151 >>>>> [ERROR] 2007-02-05 23:02:40,764 SocketAcceptorIoProcessor-0.0:( >>>>> FLVReader.error ) Check for KeyFramesCache >>>>> [DEBUG] 2007-02-05 23:02:40,808 accessCheckerThread:( >>>>> accessChecker.debug ) accessChecker run >>>>> [DEBUG] 2007-02-05 23:02:40,816 accessCheckerThread:( >>>>> ipAccessChecker.debug ) ipAccessChecker run >>>>> [DEBUG] 2007-02-05 23:02:40,992 Thread-25:( messageFetcher.debug ) >>>>> Fetching message >>>>> [ERROR] 2007-02-05 23:02:42,046 SocketAcceptorIoProcessor-0.0:( >>>>> FLVReader.error ) Loaded KeyFramesCache for file >>>>> /data/fcs/red5/_webapps/1euro50/streams/shar >>>>> [DEBUG] 2007-02-05 23:02:42,047 SocketAcceptorIoProcessor-0.0:( >>>>> flvPlayer.debug ) APPdisconnect. 81.68.67.83 >>>>> [DEBUG] 2007-02-05 23:02:43,577 SocketAcceptorIoProcessor-0.0:( >>>>> Application.debug ) giveLastMessage >>>>> [DEBUG] 2007-02-05 23:02:43,605 SocketAcceptorIoProcessor-0.0:( >>>>> Application.debug ) Success, APPconnect from /82.192.92.180:55136 >>>>> [DEBUG] 2007-02-05 23:02:43,624 SocketAcceptorIoProcessor-0.0:( >>>>> Application.debug ) giveLastMessage >>>>> [DEBUG] 2007-02-05 23:02:43,625 SocketAcceptorIoProcessor-0.0:( >>>>> Application.debug ) Success, APPconnect from /82.74.68.183:3902 >>>>> [DEBUG] 2007-02-05 23:02:43,627 SocketAcceptorIoProcessor-0.0:( >>>>> Application.debug ) Success, APPconnect from /212.187.62.65:3287 >>>>> [DEBUG] 2007-02-05 23:02:43,628 SocketAcceptorIoProcessor-0.0:( >>>>> Application.debug ) Success, APPconnect from /84.28.208.229:2588 >>>>> [DEBUG] 2007-02-05 23:02:43,636 SocketAcceptorIoProcessor-0.0:( >>>>> Application.debug ) Success, APPconnect from /84.26.48.12:1542 >>>>> [DEBUG] 2007-02-05 23:02:43,649 SocketAcceptorIoProcessor-0.0:( >>>>> Application.debug ) Success, APPconnect from /80.126.13.14:49991 >>>>> [DEBUG] 2007-02-05 23:02:43,651 SocketAcceptorIoProcessor-0.0:( >>>>> Application.debug ) giveLastMessage >>>>> >>>>> The first lines (flvPlayer.debug) are from my main application >>>>> handler. >>>>> The 'error' line (Check for KeyFramesCache) is patched by me in the >>>>> Red5 >>>>> FLVReader class, as far as i know, the same call serves the file. >>>>> Please >>>>> notice all debug calls come from the same thread >>>>> "SocketAcceptorIoProcessor-0.0", even the "Application.debug" lines >>>>> with >>>>> "giveLastMessage" and the "APPconnect" messages, they're from a >>>>> totally >>>>> different application running on the same server. >>>>> >>>>> I think the 'freezing' problem is caused by the seek feature. Can it >>>>> "hold" a thread for a while? It consumes a lot of CPU time (which is >>>>> obvious though) but on a multiprocessor machine, the application >>>>> runs on >>>>> only 1 processor..... So all other calls/buffering-routines stall >>>>> when a >>>>> seek is performed, and seeking in a 300MB+ FLV file could take a >>>>> while I >>>>> think :) >>>>> >>>>> Can it also be a threading issue? >>>>> I already played with the configuration files, changed the max threads >>>>> variables, even tried switching from Jetty to TomCat, but it makes no >>>>> difference. >>>>> In debugmode I see 2 SocketAcceptor processes but in both (production >>>>> and develop) environments all debug messages come from >>>>> "SocketAcceptorIoProcessor-0.0"; for all active applications; for all >>>>> connected clients. >>>>> >>>>> How can I take advantage of a multiprocessor system? >>>>> Am I doing something wrong? >>>>> >>>>> Kind regards, >>>>> >>>>> Martin Schipper >>>>> >>>>> >>>>> _______________________________________________ >>>>> Red5 mailing list >>>>> [email protected] >>>>> http://osflash.org/mailman/listinfo/red5_osflash.org >>>>> >>>>> >>>>> >>>> _______________________________________________ >>>> Red5 mailing list >>>> [email protected] >>>> http://osflash.org/mailman/listinfo/red5_osflash.org >>>> >>>> >>>> >>> ------------------------------------------------------------------------ >>> >>> _______________________________________________ >>> Red5 mailing list >>> [email protected] >>> http://osflash.org/mailman/listinfo/red5_osflash.org >>> >>> >>> >> _______________________________________________ >> Red5 mailing list >> [email protected] >> http://osflash.org/mailman/listinfo/red5_osflash.org >> >> > > > _______________________________________________ > Red5 mailing list > [email protected] > http://osflash.org/mailman/listinfo/red5_osflash.org > > _______________________________________________ Red5 mailing list [email protected] http://osflash.org/mailman/listinfo/red5_osflash.org
