Hi Noah,
see comments inline...
On 02/29/2012 06:32 PM, forums_at_java.net wrote:
> I tried grep'ing the online documentation but I haven't come across
> anything that can tell me what the relationship is between the following:
>
> http-listener-1 -> HTTP
>
> That tab contains the following properties:
>
> Timeout
>
> Request Timeout
>
> Timeout has a comment that says, "Max time a connection can be deemed
> as idle
> and kept in the keep-alive state"
Right, if you're using HTTP/1.1 keep-alive mechanism, this is max time
GF will keep connection open and wait for another HTTP request to come
on this connection.
>
> Request Timeout has a comment that says, "Time after which a request
> times
> out"
This timeout, is max time one specific HTTP Request can be processed by
GF, for example if your servlet is stuck w/ DB request longer than this
timeout value - GF will try to interrupt the processing thread and force
the servlet to finish request processing.
> Now under http-listener-1 -> General there is a Thread Pool setting
> which by
> default uses http-thread-pool
>
> In the http-thread-pool configuration there is an Idle Thread Timeout
> value
> which has the comment, "The max amount of time that a thread can
> remain idle
> in the pool. After this time expires, the thread is removed from the
> pool."
This timeout is related to threads, which are doing nothing for
<timeout> time.
Thread-pool config has min and max threads count, so GF is able to
increase number of threads in a pool on high load and decrease them once
load got lower.
We determine that thread in a pool can be released, when this thread
doesn't do any job for a "timeout" time.
>
> Also, the http-listener properties are configurable via asadmin in the
> server-config.network-config.protocols.protocol.http-listener-1
> namespace.
> However, it does not look like the http-thread-pool "Idle Thread Timeout"
> value is configurable in
> the server.thread-pools.thread-pool.http-thread-pool namespace even
> though
> the other properties are. Is this a bug or is in for some reason in
> another
> namespace?
I ran this command (GF 3.1.1):
asadmin get server-config.thread-pools.thread-pool.http-thread-pool.*
and here is the output:
server-config.thread-pools.thread-pool.http-thread-pool.classname=com.sun.grizzly.http.StatsThreadPool
*server-config.thread-pools.thread-pool.http-thread-pool.idle-thread-timeout-seconds=900*
server-config.thread-pools.thread-pool.http-thread-pool.max-queue-size=4096
server-config.thread-pools.thread-pool.http-thread-pool.max-thread-pool-size=5
server-config.thread-pools.thread-pool.http-thread-pool.min-thread-pool-size=2
server-config.thread-pools.thread-pool.http-thread-pool.name=http-thread-pool
Command get executed successfully.
WBR,
Alexey.
>
> Thanks,
>
> -Noah
>
>
>
>
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>
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