Re: [Asterisk-java-users] AGI script problem

[Thameem A. <tha...@ya...>]

Hi,
  In my application there are 100+ concurrent calls and I had only 50  pool size. They worked fine but twice a day it crashes..then i  increased the threads to 250 and now no issues. The server load also  not that high.
  
  -Thameem

Brett Sutton <bs...@no...> wrote:              This sounds like a problem to me.
  I would prefer the pool size to be a lower limit on the number of  concurrent threads not an effective upper limit.
  Given we are talking about time sensitive processing I don't think that  it would be generally consider acceptable to wait for a thread to  become available.
  Given a large server is only like to have say 250 active channels  allowing the number of concurrent threads to grow to 250 isn't really  an issue.
  
  I would vote to have this changed.
  
  Stefan Reuter wrote:      
Chris Howard wrote:
  
          
If I'm not mistaken there is a setting for the default thread pool size.
Bump that up if you have more concurrent agi connection. Ah....here it
is:

private static final int DEFAULT_POOL_SIZE = 10
    
        

right. though there is no need to change the sources. From the tutorial:

Configuration

You can tune the DefaultAgiServer by setting two properties: The
bindPort and the poolSize.

The bindPort determines the TCP port the server will listen on. By
default this is the FastAGI port 4573. If you change it make sure to
include the new port in the URLs used in extensions.conf. When using
bindPort 1234 your extensions.conf will contain:

exten => 1300,1,Agi(agi://localhost:1234/hello.agi)

To understand the poolSize property you need to know that the
DefaultAgiServer uses a fixed size thread pool to serve your AgiScripts.
The poolSize determines how many threads are spawned at startup and thus
limits the number of AgiScripts that can run at the same time. So you
should set the poolSize to at least the number of concurrent calls the
AgiServer should be able to handle. The default value is 10.

These configuration properties can be set by providing a
fastagi.properties file on the classpath.

This might look like:

bindPort = 1234
poolSize = 20

=Stefan

  
    
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