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I am a DBA who has been asked to look at why AX is consuming lots of memory on the AOS servers. Have little knowledge in this field I was hoping someone may be able to point me in the right direction.
Since last restart of the service the memory consumption steadily rises and has now leveled at around 7.5GB. Is there anyway I can see what caused this increase. I can restart the service if necessary.
Your welcome sir. Well, I'm a man of my word.
So, this sort of evolved. This week I actually dealt with a big fire where I had to resolve these sorts of issues at night time for a client(while I was teaching during the day). I was thinking about it and decided that I couldn't appropriately writen a post on it. So, I wrote a blog post on it instead. However, I decided that I couldn't just one blog post. I actually need a 6 part series to cover everything.
Too much of what is out there is repeated microsoft documentation and that misses the essence of troubleshooting.
Now, for the good news. I think that my first post is a good start. Also, because I realized that I couldn't capture everything in one email, I did put links in there with Microsoft Guidance on how to go about troubleshooting. I think that is a good start.
Bad news: Official documentation is never as good as someone writing on how to do it from experience. The same rule applies here. I'll get the series out as soon as I can, and I promise that it will be useful.
Here is the link to the first blog post:
That should get you started. As I said, you actually have a very strong advantage with the SQL background. It may not seem like it, but it will become readily apparent within time.
Independent, Freelance Consultant and Dynamics Development Instructor
Are your databse and application at the same server? which operational systems are you using?
Dont forget to mark this as na answer!
Francisco Silva Jr.
Microsoft Dynamics AX
This posting is provided "AS IS" with no warranties, and confers no rights.
No we have 4 AOS servers connecting to a clustered SQL backend. What do you mean by operational systems?
Sorry for my english!!!
i would like to know what Windows Versions you are using. is it 64bits. is this problem ocurring for all your 4 aos's?
No problem. We are using Windows Server 2008 64bit and yes it is happening on all AOS servers it seems. How can I tell if I am running 32bit or 64bit of the application? Could I be running 32bit software on a 64bit machine?
it could be a problem if you use 32bits Windows Server.
Do you have AOS load balance or cluster configuration?
Hi - we use the AX load balancing for the AOS. We are using 64bit Windows so that should be fine. I checked our kernel version to and we are miles out of date.
Hi Tom, please don't forget to let me answer this one. I came from a very strong SQL Server background, and I can tell you that you actually have an advantage when diagnosing problems like this. But you have to use your SQL skills because they are the only thing that really works here. --> Please don't let me forget to answer this one Sunday..
I'm resolving performance problems for a client right now in Dynamics AX and my SQL fundamentals are the only reason why I can do it.
OK well thanks for any help you can provide.
Hi and thanks. I look forward to the series of posts.
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