[Red5] performance questions

Wed Jan 2 03:24:18 PST 2008

Dan,

On Jan 2, 2008 7:16 PM, Dan Rossi <spam at electroteque.org> wrote:

> Steve I sent you the custom webapp aswell as the GC flags I believe the
> garbage collection flags were partially causing the high CPU, just setting
> the min and max memory settings doesnt really improve the cpu though. In our
> busy periods its peaking at 100% , im not really sure what im suppose to
> increase here sorry about that or debug this.
> I believe there was a change in trunk recently about an update to mina,
> could this have been the cause for the streaming issues under load ?
>
Don't know if the mina lib update is the cause. But the update is very
recent change. Can you try the load on 0.6.3 to see if it exists? I also saw
the high CPU usage here with the trunk and will use profiling tool to see
where is the bottleneck...

>
>
> On 30/12/2007, at 1:20 PM, Steven Gong wrote:
>
>
>
> On Dec 30, 2007 10:04 AM, Dan Rossi <spam at electroteque.org> wrote:
>
> > Steve this is from an old trunk or previous versions. I cannot get the
> > latest changes working yet re previous emails where stream will cut out. I'm
> > guessing i need to resolve that problem, get them working and then review
> > performance then I think.
> > How can we resolve the stream cutting out issue ?
> >
> Well, it's hard to answer this question as I need to find a way to
> reproduce this issue. Can you help to describe how I can reproduce this
> problem?
>
> >
> >
> > On 30/12/2007, at 11:20 AM, Steven Gong wrote:
> >
> > Dan,
> > Thanks for the info. Can you submit this to JIRA?
> >
> > On Dec 29, 2007 10:01 PM, Dan Rossi < spam at electroteque.org> wrote:
> >
> > > Sorry about that not up with the technical terms. I think its been a
> > > problem for a while. I run them inside a java service wrapper.
> > > So the entire config is
> > >
> > > 4 x
> > >
> > > Processor:  P4 3.0Ghz
> > > RAM: 2GB
> > > Drives:  1  160 GB SATA (RAID: None)
> > >
> > > Windows 2003 Server
> > >
> > > Java6 with java service wrapper and GC java arguments
> > >
> > > Gigabit ethernet on public and lan
> > >
> > > Single storage controller machine with Dell MD1000 NAS rack attached
> > > for 3TB of storage, all machines get the content over the gigabit lan and
> > > shared drive.
> > >
> > > It will start to peak after a certain amount of connections it seems,
> > > at about 20 connections it will display about up to 30%.  Windows media has
> > > hundreds of connections and 1% cpu load.
> > >
> > > We are due to switch a system over to default to flash instead so may
> > > become a problem at hundreds of connections.
> > >
> > > On 30/12/2007, at 12:32 AM, Steven Gong wrote:
> > >
> > > Dan,
> > > I mean whether it's a regression bug or a new issue you found.
> > >
> > > On Dec 29, 2007 6:41 PM, Dan Rossi < spam at electroteque.org> wrote:
> > >
> > > >
> > > > On 29/12/2007, at 12:05 PM, Steven Gong wrote:
> > > >
> > > > Dan,
> > > > Is it a regression?
> > > >
> > > >
> > > > Sorry steve what do you mean by regression ? Its just normal
> > > > traffic, I dont have any such tool to try and do it manually.
> > > >
> > > >
> > > >
> > > > On Dec 29, 2007 2:39 AM, Dan Rossi <spam at electroteque.org > wrote:
> > > >
> > > > > Hi there after looking at the connections in the adminPanel im
> > > > > noticing that our machines are under quite a bit of stress for VOD
> > > > >
> > > > > streams with less than 100 concurrent connections. What mina
> > > > > settings
> > > > > should i tweak to make it possible to fix these issues in the JVM
> > > > > ?
> > > > > Its always been like this but is now going from 60-100% on one
> > > > > machine
> > > > > in particular.
> > > > >
> > > > > Let me know thanks.
> > > > >
> > > > > _______________________________________________
> > > > > Red5 mailing list
> > > > > Red5 at osflash.org
> > > > > http://osflash.org/mailman/listinfo/red5_osflash.org
> > > > >
> > > >
> > > >
> > > >
> > > > --
> > > > Best Regards
> > > > Steven Gong
> > > >
> > > > InfraRed5 Red5 Consultant: http://www.infrared5.com,
> > > > steven at infrared5.com
> > > >
> > > > Red5 Developer: http://osflash.org/red5,
> > > > http://jira.red5.org/confluence/display/~steven/Home<http://jira.red5.org/confluence/display/%7Esteven/Home>
> > > >
> > > > Modesty is an overrated quality in men of no great accomplishment.
> > > >  -- Ricky Jay _______________________________________________
> > > > Red5 mailing list
> > > > Red5 at osflash.org
> > > > http://osflash.org/mailman/listinfo/red5_osflash.org
> > > >
> > > >
> > > >
> > > > _______________________________________________
> > > > Red5 mailing list
> > > > Red5 at osflash.org
> > > > http://osflash.org/mailman/listinfo/red5_osflash.org
> > > >
> > > >
> > >
> > >
> > > --
> > > Best Regards
> > > Steven Gong
> > >
> > > InfraRed5 Red5 Consultant: http://www.infrared5.com ,
> > > steven at infrared5.com
> > >
> > > Red5 Developer: http://osflash.org/red5, http://jira.red5.org/confluence/display/~steven/Home
> > > <http://jira.red5.org/confluence/display/%7Esteven/Home>
> > >
> > > Modesty is an overrated quality in men of no great accomplishment.  --
> > > Ricky Jay _______________________________________________
> > > Red5 mailing list
> > > Red5 at osflash.org
> > > http://osflash.org/mailman/listinfo/red5_osflash.org
> > >
> > >
> > >
> > > _______________________________________________
> > > Red5 mailing list
> > > Red5 at osflash.org
> > > http://osflash.org/mailman/listinfo/red5_osflash.org
> > >
> > >
> >
> >
> > --
> > Best Regards
> > Steven Gong
> >
> > InfraRed5 Red5 Consultant: http://www.infrared5.com ,
> > steven at infrared5.com
> >
> > Red5 Developer: http://osflash.org/red5, http://jira.red5.org/confluence/display/~steven/Home
> > <http://jira.red5.org/confluence/display/%7Esteven/Home>
> >
> > Modesty is an overrated quality in men of no great accomplishment.  --
> > Ricky Jay _______________________________________________
> > Red5 mailing list
> > Red5 at osflash.org
> > http://osflash.org/mailman/listinfo/red5_osflash.org
> >
> >
> >
> > _______________________________________________
> > Red5 mailing list
> > Red5 at osflash.org
> > http://osflash.org/mailman/listinfo/red5_osflash.org
> >
> >
>
>
> --
> Best Regards
> Steven Gong
>
> InfraRed5 Red5 Consultant: http://www.infrared5.com , steven at infrared5.com
>
> Red5 Developer: http://osflash.org/red5, http://jira.red5.org/confluence/display/~steven/Home
> <http://jira.red5.org/confluence/display/%7Esteven/Home>
>
> Modesty is an overrated quality in men of no great accomplishment.  --
> Ricky Jay _______________________________________________
> Red5 mailing list
> Red5 at osflash.org
> http://osflash.org/mailman/listinfo/red5_osflash.org
>
>
>
> _______________________________________________
> Red5 mailing list
> Red5 at osflash.org
> http://osflash.org/mailman/listinfo/red5_osflash.org
>
>

-- 
Best Regards
Steven Gong

InfraRed5 Red5 Consultant: http://www.infrared5.com, steven at infrared5.com

Red5 Developer: http://osflash.org/red5,
http://jira.red5.org/confluence/display/~steven/Home

Modesty is an overrated quality in men of no great accomplishment.  -- Ricky
Jay
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