Re: ??: postgres cpu 100% need help

["657985552@xxxxxx" <657985552@xxxxxx>]

oh .thanks i understand . but i still have a question .

[root@pg1 pgdata]# uname -a
Linux pg1 3.10.0-123.9.3.el7.x86_64 #1 SMP Thu Nov 6 15:06:03 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux   
[root@pg1 pgdata]# cat /etc/redhat-release 
CentOS Linux release 7.0.1406 (Core) 

my os is centos7 .  is there  THP problem in it ?

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657985552@xxxxxx

 

From: Tom Lane

Date: 2015-11-25 10:21

To: 657985552@xxxxxx

CC: Kevin Grittner; Merlin Moncure; Bill Moran; pgsql-general

Subject: Re: [GENERAL] ??: postgres cpu 100% need help

"657985552@xxxxxx" <657985552@xxxxxx> writes:

> thanks for you help . but the following config Indicate my OS THP is  Disable

> [root@pg1 ~]# grep -i HugePages_Total /proc/meminfo

> HugePages_Total:       0

> [root@pg1 ~]# cat /proc/sys/vm/nr_hugepages

> 0

 

Those values reflect whether *explicit* huge pages are enabled.  They do

not control *transparent* huge pages.

 

Red Hat's version of all this is documented here:

https://access.redhat.com/solutions/46111

 

regards, tom lane