Обсуждение: disk access measurment

Поиск
Список
Период
Сортировка

disk access measurment

От
"monu agrawal"
Дата:

Is there any way to find out how much time & how many disk accesses a transaction has taken ? Make your own way.
Monu Agrawal
http://people.csa.iisc.ernet.in/monu
Indian Institute of Science
Bangalore
(91)9844090061

Re: disk access measurment

От
Bruce Momjian
Дата:
monu  agrawal wrote:
> Is there any way to find out how much time & how many disk
> accesses a transaction has taken ?

You can start the backend with -ta and it will show disk block accesses
for every stage.  The statistics system shows block access information,
but not broken down per transaction.

--
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman@candle.pha.pa.us               |  (610) 359-1001
  +  If your life is a hard drive,     |  13 Roberts Road
  +  Christ can be your backup.        |  Newtown Square, Pennsylvania 19073