Re: [GENERAL] BDR, wal sender, high system cpu, mutex_lock_common
От | milist ujang |
---|---|
Тема | Re: [GENERAL] BDR, wal sender, high system cpu, mutex_lock_common |
Дата | |
Msg-id | CACG9ogx0uiuXtUF5MpNa_32nzxcxpnNocLYk+rnwQQFv=7UkpQ@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: [GENERAL] BDR, wal sender, high system cpu, mutex_lock_common (Craig Ringer <craig@2ndquadrant.com>) |
Ответы |
Re: [GENERAL] BDR, wal sender, high system cpu, mutex_lock_common
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Список | pgsql-general |
Hi Craig,
Anyway, this OS is guess OS in vmware (vsphere).
Thank for your response and help.
On Tue, Oct 3, 2017 at 8:49 PM, Craig Ringer <craig@2ndquadrant.com> wrote:
Can you get stacks please?Use -g
# Events: 2K cpu-clock
#
# Overhead Command Shared Object Symbol
# ........ ........ ................. ............................
#
86.96% postgres [kernel.kallsyms] [k] __mutex_lock_common.isra.5
|
--- __mutex_lock_common.isra.5
read
2.85% postgres [kernel.kallsyms] [k] do_raw_spin_lock
|
--- do_raw_spin_lock
|
|--90.48%-- read
|
|--8.33%-- recv
|
--1.19%-- write
2.44% postgres [kernel.kallsyms] [k] mutex_unlock
|
--- mutex_unlock
read
2.03% postgres [kernel.kallsyms] [k] arch_local_irq_restore
|
--- arch_local_irq_restore
read
1.32% postgres postgres [.] ValidXLogRecord
|
--- ValidXLogRecord
1.25% postgres [kernel.kallsyms] [k] mutex_lock
|
--- mutex_lock
read
regards
ujang jaenudin | DBA Consultant (Freelancer)
http://ora62.wordpress.com
http://id.linkedin.com/pub/ujang-jaenudin/12/64/bab
ujang jaenudin | DBA Consultant (Freelancer)
http://ora62.wordpress.com
http://id.linkedin.com/pub/ujang-jaenudin/12/64/bab
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