Artemis: Cluster client-side discovery & load balancing questions (JBoss EAP resource adapter)

2019-07-22 Thread hostalp
Hello, we're testing the use of JBoss EAP 7.2 and its bundled Artemis resource adapter for connecting to the Artemis cluster which consists of 6 nodes total (3 master/slave pairs). The current config is based on: - https://access.redhat.com/documentation/en-us/red_hat_jboss_enterprise_ app

Re: java.lang.OutOfMemoryError: unable to create new native thread

2018-07-03 Thread hostalp
Hello, > The JVM flags used are: ... -Xss1024m Are you sure about that -Xss1024m? That would set the thread stack size to a monstrous 1GB. Perhaps you wanted to configure the initial heap size (-Xms) there but made a typo? If that's really what's configured there try to remove it or modify i

Re: java.lang.OutOfMemoryError: unable to create new native thread

2018-07-02 Thread hostalp
Hello, there are various reasons why this may happen, but with your low amount of threads - are you by any chance running this at 32-bit OS or at least JVM? If yes, it isn't that difficult to achieve that with large heap sizes when you're operating near the address space limitations. In such ca

Re: Artemis: DOC: incorrect name of cacheDestinations element?

2018-06-12 Thread hostalp
I'd also suggest to add something like "connection parameters reference" listing all possible options at single place. There's already something like that for the server configuration: http:// activemq.apache.org/artemis/docs/latest/configuration-index.html But the client side connection parame

Artemis: DOC: incorrect name of cacheDestinations element?

2018-06-12 Thread hostalp
Hello, in the Artemis docs: https://activemq.apache.org/artemis/docs/latest/using-jms.html (https://activemq.apache.org/artemis/docs/latest/using-jms.html) https://activemq.apache.org/artemis/docs/latest/perf-tuning.html (https://activemq.apache.org/artemis/docs/latest/perf-tuning.html) it'