Hi,
I am performaing load testing on Jboss 4.0.0 and expecting 500 messages/second.
I have simple HTTPServlet implemented which receives HTTP POST messages (approx
100 characters string) and put in hsql database table. (I have to use hsql :( )
1. What should be thread pool configuration in Jboss for such load? Below is
server.xml of tomcat.
(server.xml)
< Connector port="8080" address="${jboss.bind.address}"
maxThreads="500" minSpareThreads="75" maxSpareThreads="150"
enableLookups="false" redirectPort="8443" acceptCount="100"
connectionTimeout="20000" disableUploadTimeout="true" / >
2. I understand that each request is handled by JBoss in *different* thread. So
my application does not require their own thread pooling. Please correct me if
wrong.
3. I am using inbuilt HSQL database for storing messages. What is maximum
number of connection possible at a time with this database (basically, can HSQL
handle this much load - as each message by thread is going to added in a
table). What should be my min/max pool size of hsql?
(hsqbdb-ds.xml)
<!-- The minimum connections in a pool/sub-pool. Pools are lazily constructed
on first use -->
<min-pool-size>30</min-pool-size>
<!-- The maximum connections in a pool/sub-pool -->
<max-pool-size>100</max-pool-size>
I have gone through tuning/slimming of jboss wiki and did optimization. But
still i am getting connection refused in client. Also JBoss server memory grows
over period of time eventually causing out of memory.
Does database connection plays here?
I am using -Xms512M -Xmx1024 option.
My Server is PIV 3 GHz - 2 GB - Windows XP SP2.
JBoss version 4.0.0 with inbuild HSQL database.
Appreciate your prompt reply.
Thanks
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