Re: question for users of NFS master/slave setups

2016-02-27 Thread Sunil Vishwanath
Hi Jim, I am currently using in production two AMQ servers (ver 5.12) with NFSv4. The failover from one to the other happens seamlessly without any issues. As Art stated, NFSv4 is a must for failover to work properly. I have the following recommendation to achieve a quick failover: . 1) It

Re: activemq consumer does not return data even when queue not empty

2016-02-27 Thread Tim Bain
Are you hitting your catch block? Add logging before you re-throw to find out. Also, a thread dump could help determine if you're stuck in a blocking call or bombing out early, though it won't tell you why you bombed out (that's what the logging in the catch block is for). What are the queue sta

RE: Daily Message Count - HELP

2016-02-27 Thread Tim Bain
Until https://issues.apache.org/jira/browse/AMQ-3978 is implemented, the KahaDB fragmentation issue won't be fixed. On Feb 27, 2016 12:18 AM, "artnaseef" wrote: > So, slow consumption is a major anti-pattern for ActiveMQ. > > By definition, a queue with no consumers and with messages stored has a

mqtt with virtual topics doesn't work for websocket connector

2016-02-27 Thread baskin
Hi, I'm exploring the use of mqtt with virtual topics to scale by mqtt subscription fleet. I was testing with a ws connector and a mqtt connector by having the following transport connectors: I noticed that publishing on the mqtt connector (port 1883) successfully pu

activemq consumer does not return data even when queue not empty

2016-02-27 Thread vishva
I wrote a sample code to add elements to activemq, and then retrieve them. I was successfully able to add around 1000 elements, but while retrieving the elements, somehow code gets stuck after retrieving around 50 - 200 elements, even when the queue has a lot of elements. Following is the code i u

Re: question for users of NFS master/slave setups

2016-02-27 Thread James A. Robinson
Hi, Thank you for the reply. Do you happen to know what the mount settings actually are in your setup? Yes, we are using nfs4 for this. Jim On Thu, Feb 25, 2016 at 20:21 artnaseef wrote: > I've used it successfully more than once without any specific tuning to > NFS. > With that said, systems