We wrote our own java client to monitor queues. I think there is a script provided out of the box that you might be able to use.
On Tue, May 21, 2013 at 7:36 AM, Donald Masanz <don.mas...@carters.com>wrote: > I'm wondering if there is a way to automatically check to see if there are > any entries in the Visibility Inbound queue. We still have sporadic > situations where Apache stops running. We have found documentation on > where this could be caused by the producerFlowControl, however we have not > made changes to our production system. What we would like to do is to > write some scripts that could check that queue value so that if the queue > > 0 then send us notification. This past weekend MQ stopped running and we > had over 40,000 entries that needed to process. With that being said we > know that we can execute AIX scripts to monitor MQ Series so I'm wondering > if there is a way to manually monitor Apache? > > From: Gaurav Sharma [via ActiveMQ] [mailto: > ml-node+s2283324n4662994...@n4.nabble.com] > Sent: Thursday, February 07, 2013 11:13 AM > To: Masanz, Don > Subject: Re: Stuck Messages > > Aah, I see. So, a good place to start is: > http://activemq.apache.org/performance-tuning.html > > AMQ is a non-trivial distributed system and infrastructure building block. > So, like any such system, it needs to be tuned and configured for your > needs and it is highly configurable and flexible. > As you are reading the perf page, pull out your activemq.xml from the > installed edi system - mask hosts/ports/passwds and post it on here. Your > broker seems to be running low on system resources. > > On Feb 7, 2013, at 9:00, Donald Masanz <[hidden > email]</user/SendEmail.jtp?type=node&node=4662994&i=0>> wrote: > > > Do you have any document available on MQ. We had this installed in > August of 2011, they installed MQ as part of our EDI software. I am the > ADMIN, but no one in our staff has actually ever done any set up or > configurations. It was all done for us. Therefore when you mention all > these options, I really don't have much of a clue what you are talking > about. > > > > > > From: Gaurav Sharma [via ActiveMQ] [mailto:[hidden > email]</user/SendEmail.jtp?type=node&node=4662994&i=1>] > > Sent: Thursday, February 07, 2013 10:57 AM > > To: Masanz, Don > > Subject: Re: Stuck Messages > > > > Forgot to mention - since you know what queues and topics have fast > consumers that can keep up with producers, you can always setup nagios > alerts (warn/critical) on 'Pending Messages'. I use my broker liveness > monitor daemon that periodically performs synthetic transactions against > the broker so I can auto-markdown bad apple broker nodes on the client side. > > > > On Feb 7, 2013, at 8:40, Gaurav Sharma <[hidden > email]</user/SendEmail.jtp?type=node&node=4662992&i=0>> wrote: > > > >> Folks - when you notice the broker in a 'stuck' state, please take a > thread and heap dump before killing the broker process and share with devs > on here. > >> > >> Also: > >> 1. What broker topology are you using? > >> 2. How many producers/consumers? > >> 3. Are you pooling connections, producers, sessions? > >> 4. How large are your messages? > >> 5. How many concurrent connections? What is the rate of message flow > /second? > >> 6. Are messages persistent and if so, what store? > >> 7. What are your system/memory usage settings? How much heap and RAM on > brokers and on clients? > >> 8. What is the prefetch size? > >> 9. How are you using the broker - what role is it playing in your > system? Using queues, topics, both? > >> 10. Have you monitored GC activity on clients and brokers? > >> 11. What amq transport are you using and via what client? > >> > >> There might be more than one factors at play here. Very curious how > restarts are 'fixing' the problem. > >> > >> On Feb 7, 2013, at 8:18, Donald Masanz <[hidden > email]</user/SendEmail.jtp?type=node&node=4662992&i=1>> wrote: > >> > >>> I took your advice this morning when I noticed that MQ had hung up and > was able to keep my application running while I restarted MQ. Great tip. > Do you have a process that monitors MQ and notifies you if it stops > processing, or do you have to do a manual check? > >>> > >>> From: tetoconsusport [via ActiveMQ] [mailto:[hidden > email]</user/SendEmail.jtp?type=node&node=4662992&i=2>] > >>> Sent: Wednesday, February 06, 2013 4:52 PM > >>> To: Masanz, Don > >>> Subject: Re: Stuck Messages > >>> > >>> Did you find a solution for this? We are running activemq 5.7 and have > had this issue as well. If we restart activemq everything works however, we > have not been able to find the root cause. > >>> ________________________________ > >>> If you reply to this email, your message will be added to the > discussion below: > >>> > >>> NAML< > http://activemq.2283324.n4.nabble.com/template/NamlServlet.jtp?macro=macro_viewer&id=instant_html%21nabble%3Aemail.naml&base=nabble.naml.namespaces.BasicNamespace-nabble.view.web.template.NabbleNamespace-nabble.view.web.template.NodeNamespace&breadcrumbs=notify_subscribers%21nabble%3Aemail.naml-instant_emails%21nabble%3Aemail.naml-send_instant_email%21nabble%3Aemail.naml > > > >>> > >>> > >>> > >>> > >>> -- > >>> View this message in context: > http://activemq.2283324.n4.nabble.com/Stuck-Messages-tp4662092p4662985.html > >>> Sent from the ActiveMQ - User mailing list archive at Nabble.com. > > > > ________________________________ > > If you reply to this email, your message will be added to the discussion > below: > > > > NAML< > http://activemq.2283324.n4.nabble.com/template/NamlServlet.jtp?macro=macro_viewer&id=instant_html%21nabble%3Aemail.naml&base=nabble.naml.namespaces.BasicNamespace-nabble.view.web.template.NabbleNamespace-nabble.view.web.template.NodeNamespace&breadcrumbs=notify_subscribers%21nabble%3Aemail.naml-instant_emails%21nabble%3Aemail.naml-send_instant_email%21nabble%3Aemail.naml > > > > > > > > > > > > -- > > View this message in context: > http://activemq.2283324.n4.nabble.com/Stuck-Messages-tp4662092p4662993.html > > Sent from the ActiveMQ - User mailing list archive at Nabble.com. > > ________________________________ > If you reply to this email, your message will be added to the discussion > below: > http://activemq.2283324.n4.nabble.com/Stuck-Messages-tp4662092p4662994.html > To unsubscribe from Stuck Messages, click here< > http://activemq.2283324.n4.nabble.com/template/NamlServlet.jtp?macro=unsubscribe_by_code&node=4662092&code=ZG9uLm1hc2FuekBjYXJ0ZXJzLmNvbXw0NjYyMDkyfC0yMzQzNTczNA== > >. > NAML< > http://activemq.2283324.n4.nabble.com/template/NamlServlet.jtp?macro=macro_viewer&id=instant_html%21nabble%3Aemail.naml&base=nabble.naml.namespaces.BasicNamespace-nabble.view.web.template.NabbleNamespace-nabble.view.web.template.NodeNamespace&breadcrumbs=notify_subscribers%21nabble%3Aemail.naml-instant_emails%21nabble%3Aemail.naml-send_instant_email%21nabble%3Aemail.naml > > > > > > > -- > View this message in context: > http://activemq.2283324.n4.nabble.com/Stuck-Messages-tp4662092p4667280.html > Sent from the ActiveMQ - User mailing list archive at Nabble.com. >
