Re: Explain Analyze - actual time in loops

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Neto pr <netopr9(at)gmail(dot)com>
Cc: Igor Neyman <ineyman(at)perceptron(dot)com>, "pgsql-performance(at)postgresql(dot)org" <pgsql-performance(at)postgresql(dot)org>
Subject: Re: Explain Analyze - actual time in loops
Date: 2017-09-08 14:07:30
Message-ID: 19229.1504879650@sss.pgh.pa.us
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-performance

Neto pr <netopr9(at)gmail(dot)com> writes:
> I need to know the height of a B-tree index (level of the leaf node
> farthest from the root).

pageinspect's bt_metap() will give you that --- it's the "level"
field, I believe.

regards, tom lane

In response to

Browse pgsql-performance by date

  From Date Subject
Next Message Soni M 2017-09-10 05:48:23 Re: OS cache management
Previous Message Neto pr 2017-09-08 14:02:37 Re: Explain Analyze - actual time in loops