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Re: high io BUT huge amount of free memory - Mailing list pgsql-hackers

From Shaun Thomas
Subject Re: high io BUT huge amount of free memory
Date
Msg-id 51769FA4.1040502@optionshouse.com
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In response to Re: high io BUT huge amount of free memory  (Merlin Moncure <mmoncure@gmail.com>)
Responses Re: high io BUT huge amount of free memory
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On 04/22/2013 05:12 PM, Merlin Moncure wrote:

>> free -g
>>               total       used       free     shared    buffers     cached
>> Mem:           378        250        128          0          0        229
>> -/+ buffers/cache:         20        357

This is most likely a NUMA issue. There really seems to be some kind of 
horrible flaw in the Linux kernel when it comes to properly handling 
NUMA on large memory systems.

What does this say:

numactl --hardware

-- 
Shaun Thomas
OptionsHouse | 141 W. Jackson Blvd. | Suite 500 | Chicago IL, 60604
312-676-8870
sthomas@optionshouse.com

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