Also I don't see where a ram usage paramenter is given on start up.
#!/bin/bash export SUNJMX="-Dcom.sun.management.jmxremote.port=1099 -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false -Dcom.sun.management.jmxremote=true" export JDK_HOME=/usr/java/jdk1.6.0_06 export JAVA_HOME=/usr/java/jdk1.6.0_06 /opt/activemq/apache-activemq-5.2.0/bin/activemq-admin start & DataMover wrote: > > Version is 5.2 > > I will check on the ram allocated to queues. > We only use queues. > Some need to be persistence a few do not need to be. > > One thing that may be relevant is that the server is behind a firewall > that closes connections after a timeout of no activity. We have no control > over the firewall. > > So ... the clients will close an reopen a connection to communicate their > information every 20 seconds. Wonder if that is an issue. > > We were using Mysql as the persitence store but took it out thinking that > may be the cause. > So it has been using the default store and the problem did not go away. > > > Thank you for your responses > > > rajdavies wrote: >> >> >> On 10 May 2009, at 21:03, DataMover wrote: >> >>> >>> I have seems several posts on this but I have not been able to solve >>> our >>> situation. >>> >>> We have 30 clients (producers) working with one activemq server. >>> All worked amazingly well. >>> >>> Then we tried a test with around 250 clients. >>> >>> That would get many transport errors. >>> Increasing the file limits on the os caused the system to come to a >>> crawl >>> with no benefit. >>> >>> I am assuming the problem can be solved with multiple brokers being >>> run. >>> One question is do they have to be on different machines, or can we >>> have >>> multiple activemqs running on the same server, each listening on a >>> different >>> ip? >>> >>> >>> -- >>> View this message in context: >>> http://www.nabble.com/too-many-open-files-tp23473539p23473539.html >>> Sent from the ActiveMQ - User mailing list archive at Nabble.com. >>> >> >> You can use multiple brokers on the same machine - but could you >> provide a little more detail about your setup ?: >> How much memory did you allocate for your broker? >> What version of ActiveMQ are you running ? >> Are you using Topics or Queues ? >> Do you need the Queue messages to be persistent ? >> >> >> >> cheers, >> >> Rob >> >> Rob Davies >> http://fusesource.com >> http://rajdavies.blogspot.com/ >> >> >> >> >> >> >> >> >> >> > > -- View this message in context: http://www.nabble.com/too-many-open-files-tp23473539p23478140.html Sent from the ActiveMQ - User mailing list archive at Nabble.com.
