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тАО05-08-2013 02:49 AM
тАО05-08-2013 02:49 AM
Hi
We have recently upgraded from a single server IMC V5.0 to dual server IMC V5.2. Server 1 is used for IMC V5.2 platform and Server 2 is used for SQL DB.
It seems very slow when navigating around IMC. Also links are slow to refresh in maps and alarms take an age to clear.
Has anybody had experience with DB on a seperate server. Is there any tweaks I can make to speed up IMC user experience?
Thanks
Solved! Go to Solution.
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тАО05-08-2013 02:23 PM
тАО05-08-2013 02:23 PM
Re: IMC V5.2 Dual Server
I did notice some increases in required memory when moving through different versions. How much memory do you have allocated to IMC? Remember that just giving the VM more memory is not enough - you need to use setmem.bat to configure Java to use the extra memory.
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тАО05-09-2013 06:03 AM
тАО05-09-2013 06:03 AM
Re: IMC V5.2 Dual Server
I have 48GB installed to IMC Platform Server and 12GB installed to SQL DB Server.
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тАО05-09-2013 12:42 PM
тАО05-09-2013 12:42 PM
Re: IMC V5.2 Dual Server
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тАО05-09-2013 01:25 PM
тАО05-09-2013 01:25 PM
Re: IMC V5.2 Dual Server
Managing around 1500 nodes. I have not set max heap size to anything. Where is this config? The IMC or SQL.
Thanks
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тАО05-09-2013 02:22 PM
тАО05-09-2013 02:22 PM
Re: IMC V5.2 Dual Server
If you've not set the Max Heap size, it's probably still the default at 2GB. If you look at memory consumption on your IMC server, it's probably only using ~5GB out of that 48GB. The max heap size sets an upper limit on the amount of memory that Java will allocate. Simply adding more memory to the system won't make it use more memory - you have to change the configuration to tell it to use more.
The Admin Guide provides some guidance on heap sizes, but if you've got that much memory, you might as well use a good chunk of it. I think they're a little low on their recommendations anyway. Since you've got so much, you might as well go straight to 16GB. Would probably be fine with 8GB.
The Getting Started guide has a section on using "setmem.bat" to set the heap size. The heap recommendations in the Getting Started guide are far too low.
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тАО05-09-2013 02:38 PM
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тАО05-14-2013 02:21 AM - edited тАО05-14-2013 02:21 AM
тАО05-14-2013 02:21 AM - edited тАО05-14-2013 02:21 AM
Re: IMC V5.2 Dual Server
Thanks northlandboy.