ASG
IBM
Zystems
Cressida
Icon
Netflexity
 
  MQSeries.net
Search  Search       Tech Exchange      Education      Certifications      Library      Info Center      SupportPacs      LinkedIn  Search  Search                                                                   FAQ  FAQ   Usergroups  Usergroups
 
Register  ::  Log in Log in to check your private messages
 
RSS Feed - WebSphere MQ Support RSS Feed - Message Broker Support

MQSeries.net Forum Index » General IBM MQ Support » SYSTEM.ADMIN.COMMAND.EVENT queue getting filled up

Post new topic  Reply to topic
 SYSTEM.ADMIN.COMMAND.EVENT queue getting filled up « View previous topic :: View next topic » 
Author Message
mqusr
PostPosted: Mon Apr 02, 2018 10:18 am    Post subject: SYSTEM.ADMIN.COMMAND.EVENT queue getting filled up Reply with quote

Novice

Joined: 24 Feb 2018
Posts: 20

Hi All,

I have enabled command event in my queue manager by setting CMDEV to enabled for the queue manager. What i observe is SYSTEM.ADMIN.COMMAND.EVENT queue now has messages and a certain queue depth. However, what I observe is that the queue depth of this queue is constantly increasing even without any activities being performed.

My query is - Is it normal for this queue depth to keep on increasing? What happens when it reaches the max queue depth (5000)? Is there any impact on the MQ system - does it hang or stop or crash if this queue reaches it limit? Is it mandatory to read these messages in case the event is enabled?

Similarly, I have also enabled config event by setting CONFIGEV to enabled. But I have not observed such a behavior of SYSTEM.ADMIN.CONFIG.EVENT queue.

Any help will be really appreciated.

Thanks,
mqusr
Back to top
View user's profile Send private message
bruce2359
PostPosted: Mon Apr 02, 2018 12:02 pm    Post subject: Reply with quote

Poobah

Joined: 05 Jan 2008
Posts: 9394
Location: US: west coast, almost. Otherwise, enroute.

Moved to General forum
_________________
I like deadlines. I like to wave as they pass by.
ב''ה
Lex Orandi, Lex Credendi, Lex Vivendi. As we Worship, So we Believe, So we Live.
Back to top
View user's profile Send private message
bruce2359
PostPosted: Mon Apr 02, 2018 12:10 pm    Post subject: Reply with quote

Poobah

Joined: 05 Jan 2008
Posts: 9394
Location: US: west coast, almost. Otherwise, enroute.

MQ provides a set of so-called 'instrumentation event queues.' If you enable the event type, and the event occurs, then the qmgr will put an event message in the associated queue.

No harm if the queue fills up.

MQ installation does not provide tooling to process these messages.

For the command event queue, if you issue no MQSC (or equivalent) commands, then you will see no messages in the command event queue.
_________________
I like deadlines. I like to wave as they pass by.
ב''ה
Lex Orandi, Lex Credendi, Lex Vivendi. As we Worship, So we Believe, So we Live.
Back to top
View user's profile Send private message
Vitor
PostPosted: Mon Apr 02, 2018 12:14 pm    Post subject: Reply with quote

Grand High Poobah

Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA

bruce2359 wrote:
No harm if the queue fills up.


Well apart from the non arrival of later messages.
_________________
Honesty is the best policy.
Insanity is the best defence.
Back to top
View user's profile Send private message
bruce2359
PostPosted: Mon Apr 02, 2018 12:51 pm    Post subject: Reply with quote

Poobah

Joined: 05 Jan 2008
Posts: 9394
Location: US: west coast, almost. Otherwise, enroute.

Vitor wrote:
bruce2359 wrote:
No harm if the queue fills up.


Well apart from the non arrival of later messages.


If one asks for event messages, one must plan for, and then take action when these event messages arrive on the event queue.
_________________
I like deadlines. I like to wave as they pass by.
ב''ה
Lex Orandi, Lex Credendi, Lex Vivendi. As we Worship, So we Believe, So we Live.
Back to top
View user's profile Send private message
PeterPotkay
PostPosted: Mon Apr 02, 2018 4:33 pm    Post subject: Re: SYSTEM.ADMIN.COMMAND.EVENT queue getting filled up Reply with quote

Poobah

Joined: 15 May 2001
Posts: 7717

mqusr wrote:
I have enabled command event in my queue manager by setting CMDEV to enabled for the queue manager. What i observe is SYSTEM.ADMIN.COMMAND.EVENT queue now has messages and a certain queue depth. However, what I observe is that the queue depth of this queue is constantly increasing even without any activities being performed.

Rest assured that activities are being performed. If only you had some messages that described these events that are occurring...
_________________
Peter Potkay
Keep Calm and MQ On
Back to top
View user's profile Send private message
mqusr
PostPosted: Mon Apr 02, 2018 10:28 pm    Post subject: Reply with quote

Novice

Joined: 24 Feb 2018
Posts: 20

Thanks All.

Is there any standard method of using these events for monitoring?

I am aware of the amqsevt.exe sample program to read these messages.
But other than this, what should be the way/process of using/consuming this data in the event queues.

regards,
mqusr
Back to top
View user's profile Send private message
bruce2359
PostPosted: Tue Apr 03, 2018 4:21 am    Post subject: Reply with quote

Poobah

Joined: 05 Jan 2008
Posts: 9394
Location: US: west coast, almost. Otherwise, enroute.

Become familiar with Google to search for answers to your questions.

Go to google. Search for 'how to process mq event messages'.
_________________
I like deadlines. I like to wave as they pass by.
ב''ה
Lex Orandi, Lex Credendi, Lex Vivendi. As we Worship, So we Believe, So we Live.
Back to top
View user's profile Send private message
fjb_saper
PostPosted: Tue Apr 03, 2018 8:30 pm    Post subject: Reply with quote

Grand High Poobah

Joined: 18 Nov 2003
Posts: 20696
Location: LI,NY

bruce2359 wrote:
MQ provides a set of so-called 'instrumentation event queues.' If you enable the event type, and the event occurs, then the qmgr will put an event message in the associated queue.

No harm if the queue fills up.

MQ installation does not provide tooling to process these messages.

For the command event queue, if you issue no MQSC (or equivalent) commands, then you will see no messages in the command event queue.


Be aware however that MQExplorer and some monitoring software may issue PCF messages to request information from the queue manager. This traffic will be captured by the event setup and sent to the event queue. And MQExplorer is quite chatty!
_________________
MQ & Broker admin
Back to top
View user's profile Send private message Send e-mail
Display posts from previous:   
Post new topic  Reply to topic Page 1 of 1

MQSeries.net Forum Index » General IBM MQ Support » SYSTEM.ADMIN.COMMAND.EVENT queue getting filled up
Jump to:  



You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum
Protected by Anti-Spam ACP
 
 


Theme by Dustin Baccetti
Powered by phpBB © 2001, 2002 phpBB Group

Copyright © MQSeries.net. All rights reserved.