I can confirm higher server CPU usage on recording, will try to find the
reason.


On Mon, Mar 17, 2014 at 8:54 AM, Maxim Solodovnik <solomax...@gmail.com>wrote:

> They have moved to git less than a month ago :)
> I was going to update our build to use EGit but had no time for this :((
> I'll check the EGit (or will ask it's developers) if it can clone/update
> to the specific git revision.
>
> Tags will work as long as we will stay on the release :) Additionally we
> can fork their repo and stay on the revision we need, but I would avoid
> this if possible.
>
>
> On Mon, Mar 17, 2014 at 4:31 AM, seba.wag...@gmail.com <
> seba.wag...@gmail.com> wrote:
>
>> What concerns me most is currently the red5 server process cpu while
>> recording.
>> "5) red5 version was more or less up to date in the trunk (4756),"
>> Trunk is doing a Git checkout, so our old system using red5 revision
>> numbers is not applicable anymore.
>> I think the build.xml should be changed so that it does not checkout HEAD
>> of https://github.com/Red5/red5-server.git, instead it should checkout a
>> tag. I will ask the red5-devs to create a tag. I wonder why they did not
>> do
>> that in case they do a release or major milestone.
>>
>> Sebastian
>>
>>
>>
>>
>>
>> 2014-03-17 0:16 GMT+13:00 Maxim Solodovnik <solomax...@gmail.com>:
>>
>> > Detailed answers:
>> >
>> > 1) there is now a FPS per second changer. How does that incorporate with
>> > the recordings produced?
>> > Video frames are now being captured using constant delay timer task
>> (with
>> > the FPS based delay)
>> > If none frames are ready to be sent, "no_change" frame is sended
>> >
>> > 2)  Is the audio and the video in sync no matter what FPS I choose?
>> > I believe so, Vasiliy has tested it and found no issues (if I'm not
>> > mistaken), additional testing might be required
>> >
>> > 3) Did anybody monitor the red5 server process CPU while doing a
>> > screen-sharing
>> > recording?
>> > No, we can perform such testing
>> >
>> > 4)  CPU usage jumps to 100% whenever I start recording.
>> > I can also see lots of statements similar to this in the log output:
>> > [INFO] [NioProcessor-4] org.red5.server.stream.codec.ScreenVideo -
>> > Allocating memory for 748 compressed blocks.
>> > I believe this is caused by creating CachedEvent and copy byte buffers
>> >
>> > 5) red5 version was more or less up to date in the trunk (4756),
>> currently
>> > trunk is updated to the latest git version (need to be additionaly
>> > tested/fixed)
>> >    a) client and server versions should be fixed (or we will have build
>> > broken or unstable one day)
>> >    b) screen sharing is broken (need to be investigated/fixed)
>> >    c) up to r4756 red5 server was unstable while video is published this
>> > should be tested more carefully
>> >
>> > 6) I think there is also a need to do it because partially some
>> ressources
>> > are no more available in the SVN repository
>> > We have all necessary resources in our repocitory (just in case)
>> >
>> > 7) We could also consider downloading red5 server/client from Jenkins
>> > I don't think it is good idea since we don't need HEAD version all the
>> time
>> > I'm trying to rewrite our build to be maven based (not very successful
>> so
>> > far) so I guess things will change a lot if this step will be
>> implemented.
>> > Until then I would leave the build as it is now
>> >
>> > 8) My red5 CPU load is also fine as long as I don't record something.
>> > I'll try to double check on my machines
>> >
>> >
>> >
>> > On Sun, Mar 16, 2014 at 5:06 PM, seba.wag...@gmail.com <
>> > seba.wag...@gmail.com> wrote:
>> >
>> > > My red5 CPU load is also fine as long as I don't record something.
>> > >
>> > > Thanks,
>> > > Sebastian
>> > > On 16 Mar 2014 19:38, "Maxim Solodovnik" <solomax...@gmail.com>
>> wrote:
>> > >
>> > > > trunk is building red5 using maven already
>> > > > I'll review the code and merge compilation from the trunk.
>> > > >
>> > > > red5 was not updated in 3.0.x branch since video calls were broken
>> > (still
>> > > > broken in trunk, will check the release)
>> > > >
>> > > > I have not monitored server CPU, but it seems to be ~1% on my
>> machine
>> > > >
>> > > > Will double check and provide detailed answers to all of your
>> questions
>> > > > later today :)
>> > > >
>> > > >
>> > > > On Sun, Mar 16, 2014 at 12:53 PM, seba.wag...@gmail.com <
>> > > > seba.wag...@gmail.com> wrote:
>> > > >
>> > > > > Btw: We could also consider downloading red5 server/client from
>> > > Jenkins:
>> > > > >
>> > > > >
>> > > >
>> > >
>> >
>> https://builds.apache.org/view/M-R/view/OpenMeetings/job/Red5-server/lastSuccessfulBuild/artifact/target/red5-server-1.0.2-M1-server.zip
>> > > > >
>> > > > > Although integrating Git and Maven build into ANT is also
>> possible.
>> > > > >
>> > > > > What is the preference ?
>> > > > >
>> > > > > Sebastian
>> > > > >
>> > > > >
>> > > > > 2014-03-16 18:51 GMT+13:00 seba.wag...@gmail.com <
>> > > seba.wag...@gmail.com
>> > > > >:
>> > > > >
>> > > > > >  http://svn.apache.org/r1577984 does fix to do a Git checkout
>> > using
>> > > > the
>> > > > > > latest code from their repository and for the client and server.
>> > > > > > The folder structure is slightly different, needs some further
>> > > > > adjustments.
>> > > > > > Also I think some of the patches (Tomcat7 patch) is no more
>> > required
>> > > as
>> > > > > > the latest red5 is already using Tomcat 7.
>> > > > > >
>> > > > > > I have created a ticket to capture the progress:
>> > > > > > https://issues.apache.org/jira/browse/OPENMEETINGS-950
>> > > > > > It will require some more work and review before this piece of
>> work
>> > > is
>> > > > > > ready to be merged back to any of the other branches.
>> > > > > >
>> > > > > > However I think it might be useful for our CPU issues and moving
>> > > > forward.
>> > > > > > Getting rid of the Tomcat7 patches and SVN-kit checkout stuff
>> seems
>> > > to
>> > > > > make
>> > > > > > our life also a little bit easier.
>> > > > > >
>> > > > > > Sebastian
>> > > > > >
>> > > > > >
>> > > > > > 2014-03-16 17:19 GMT+13:00 seba.wag...@gmail.com <
>> > > > seba.wag...@gmail.com
>> > > > > >:
>> > > > > >
>> > > > > > I think there is also a need to do it because partially some
>> > > ressources
>> > > > > >> are no more available in the SVN repository:
>> > > > > >> http://red5.googlecode.com/svn/java/client/readme.txt
>> > > > > >>
>> > > > > >>
>> > > > > >> 2014-03-16 15:25 GMT+13:00 seba.wag...@gmail.com <
>> > > > seba.wag...@gmail.com
>> > > > > >:
>> > > > > >>
>> > > > > >> I also tried updating to the latest release of Red5 (1.0.2
>> seems
>> > to
>> > > be
>> > > > > >>> just released).
>> > > > > >>> I was more or less successful.
>> > > > > >>>
>> > > > > >>> When using red5 in its latest version the CPU usage when
>> doing a
>> > > > screen
>> > > > > >>> sharing of the red5 server side process is a lot less.
>> > > > > >>>
>> > > > > >>> I can see that there are a couple of issues updating to the
>> > latest
>> > > > red5
>> > > > > >>> versions. However letting them too much out of sync was always
>> > > > > difficult in
>> > > > > >>> the past as there are regularly changes that you need to
>> > duplicate
>> > > in
>> > > > > the
>> > > > > >>> OpenMeetings API/Configuration files et cetera. And of course
>> > > > > regression
>> > > > > >>> testing is a pain.
>> > > > > >>> However we rely on the improvements of the red5 server API.
>> > > > > >>>
>> > > > > >>> What is the current status of the red5 version? Our version
>> r4393
>> > > is
>> > > > > >>> from 07/2012 (
>> > https://code.google.com/p/red5/source/detail?r=4393)
>> > > > :)
>> > > > > >>> We should make a move I think. There seems to be maybe a good
>> > point
>> > > > now
>> > > > > >>> when there is a new stable release to review a migration to
>> the
>> > > > latest
>> > > > > >>> version.
>> > > > > >>>
>> > > > > >>> What do you think?
>> > > > > >>> What are the current show stoppers from upgrading to the
>> latest
>> > > red5
>> > > > > >>> version?
>> > > > > >>> I can see a couple of issues when upgrading, but it seems
>> there
>> > is
>> > > no
>> > > > > >>> major incompatibility between OpenMeetings and later Red5
>> > versions.
>> > > > > Spring
>> > > > > >>> is now 4.0 in red5. And some minor changes in the
>> red5-web.xml.
>> > > > > >>> And it seems like the .upload servlet is not correctly
>> > initialized.
>> > > > > >>> I can share my upgraded OpenMeetings instance if anybody is
>> > > > interested.
>> > > > > >>>
>> > > > > >>> Sebastian
>> > > > > >>>
>> > > > > >>>
>> > > > > >>>
>> > > > > >>>
>> > > > > >>>
>> > > > > >>> 2014-03-16 14:28 GMT+13:00 seba.wag...@gmail.com <
>> > > > > seba.wag...@gmail.com>
>> > > > > >>> :
>> > > > > >>>
>> > > > > >>> Regarding the Red5 CPU usage: I did a couple of tests. It does
>> > not
>> > > > seem
>> > > > > >>>> to be like previously a writer problem (writer too slow to
>> write
>> > > > > packets to
>> > > > > >>>> disk). Even if I comment out the stream listeners so that
>> > nothing
>> > > > > will be
>> > > > > >>>> written to disk the CPU usage jumps to 100% whenever I start
>> > > > > recording.
>> > > > > >>>> I can also see lots of statements similar to this in the log
>> > > output:
>> > > > > >>>> [INFO] [NioProcessor-4]
>> > org.red5.server.stream.codec.ScreenVideo -
>> > > > > >>>> Allocating memory for 748 compressed blocks.
>> > > > > >>>> [INFO] [NioProcessor-4]
>> > org.red5.server.stream.codec.ScreenVideo -
>> > > > > >>>> Allocating memory for 1305 compressed blocks.
>> > > > > >>>>
>> > > > > >>>> I have not seen this kind of logging output in past versions
>> of
>> > > > red5.
>> > > > > >>>>
>> > > > > >>>> Sebastian
>> > > > > >>>>
>> > > > > >>>>
>> > > > > >>>>
>> > > > > >>>>
>> > > > > >>>> 2014-03-16 12:44 GMT+13:00 seba.wag...@gmail.com <
>> > > > > seba.wag...@gmail.com
>> > > > > >>>> >:
>> > > > > >>>>
>> > > > > >>>> Hi,
>> > > > > >>>>>
>> > > > > >>>>> there is now a FPS per second changer. How does that
>> > incorporate
>> > > > with
>> > > > > >>>>> the recordings produced? Is the audio and the video in sync
>> no
>> > > > > matter what
>> > > > > >>>>> FPS I choose?
>> > > > > >>>>>
>> > > > > >>>>> Did anybody monitor the red5 server process CPU while doing
>> a
>> > > > > >>>>> screen-sharing recording? I can still see the CPU jump to
>> 100%
>> > of
>> > > > the
>> > > > > >>>>> server process if I start a recording.
>> > > > > >>>>>
>> > > > > >>>>> It would be really good to have a demo server instead of
>> doing
>> > > this
>> > > > > >>>>> local verification.
>> > > > > >>>>>
>> > > > > >>>>> Thanks,
>> > > > > >>>>> Sebastian
>> > > > > >>>>> --
>> > > > > >>>>> Sebastian Wagner
>> > > > > >>>>> https://twitter.com/#!/dead_lock
>> > > > > >>>>> http://www.webbase-design.de
>> > > > > >>>>> http://www.wagner-sebastian.com
>> > > > > >>>>> seba.wag...@gmail.com
>> > > > > >>>>>
>> > > > > >>>>
>> > > > > >>>>
>> > > > > >>>>
>> > > > > >>>> --
>> > > > > >>>> Sebastian Wagner
>> > > > > >>>> https://twitter.com/#!/dead_lock
>> > > > > >>>> http://www.webbase-design.de
>> > > > > >>>> http://www.wagner-sebastian.com
>> > > > > >>>> seba.wag...@gmail.com
>> > > > > >>>>
>> > > > > >>>
>> > > > > >>>
>> > > > > >>>
>> > > > > >>> --
>> > > > > >>> Sebastian Wagner
>> > > > > >>> https://twitter.com/#!/dead_lock
>> > > > > >>> http://www.webbase-design.de
>> > > > > >>> http://www.wagner-sebastian.com
>> > > > > >>> seba.wag...@gmail.com
>> > > > > >>>
>> > > > > >>
>> > > > > >>
>> > > > > >>
>> > > > > >> --
>> > > > > >> Sebastian Wagner
>> > > > > >> https://twitter.com/#!/dead_lock
>> > > > > >> http://www.webbase-design.de
>> > > > > >> http://www.wagner-sebastian.com
>> > > > > >> seba.wag...@gmail.com
>> > > > > >>
>> > > > > >
>> > > > > >
>> > > > > >
>> > > > > > --
>> > > > > > Sebastian Wagner
>> > > > > > https://twitter.com/#!/dead_lock
>> > > > > > http://www.webbase-design.de
>> > > > > > http://www.wagner-sebastian.com
>> > > > > > seba.wag...@gmail.com
>> > > > > >
>> > > > >
>> > > > >
>> > > > >
>> > > > > --
>> > > > > Sebastian Wagner
>> > > > > https://twitter.com/#!/dead_lock
>> > > > > http://www.webbase-design.de
>> > > > > http://www.wagner-sebastian.com
>> > > > > seba.wag...@gmail.com
>> > > > >
>> > > >
>> > > >
>> > > >
>> > > > --
>> > > > WBR
>> > > > Maxim aka solomax
>> > > >
>> > >
>> >
>> >
>> >
>> > --
>> > WBR
>> > Maxim aka solomax
>> >
>>
>>
>>
>> --
>> Sebastian Wagner
>> https://twitter.com/#!/dead_lock
>> http://www.webbase-design.de
>> http://www.wagner-sebastian.com
>> seba.wag...@gmail.com
>>
>
>
>
> --
> WBR
> Maxim aka solomax
>



-- 
WBR
Maxim aka solomax

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