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CM Wang
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Question CM Wang · Jul 16, 2017

How to configure the size for global buffer

#Caché

Below are the output messages when Cache start.

Allocated 178MB shared memory: 1MB global buffers, 26MB routine buffers

I try to configure the global buffer size by [System] -> [Configuration] -> [Memory and Startup] from SMP,

but it seems like the changes does not apply to the global buffer.

Thanks for your help.

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Comments

Eduard Lebedyuk · Jul 17, 2017

You need to restart Caché after making and saving the changes.

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CM Wang  Jul 17, 2017 to Eduard Lebedyuk

I did, but it still remain the same.

Is this field of SMP corresponding to the global buffer [Memory Allocated for 8KB Database Cache (MB)] ?

I would like to 10G memory to global buffer, is there any constraint about the upper limit ?

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CM Wang  Jul 17, 2017 to Eduard Lebedyuk

Never mind, it works now. Thanks you.

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Danny Wijnschenk  Jul 18, 2017 to CM Wang

Make sure you don't assign more memory than the available physical memory : your OS will swap to the hard disk which will cancel the benenefits of global buffers.

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