Re: ??: postgres cpu 100% need help - Mailing list pgsql-general

From Tom Lane
Subject Re: ??: postgres cpu 100% need help
Date
Msg-id 8397.1448418081@sss.pgh.pa.us
Whole thread Raw
In response to Re: ??: postgres cpu 100% need help  ("657985552@qq.com" <657985552@qq.com>)
List pgsql-general
"657985552@qq.com" <657985552@qq.com> 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


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