Search Postgresql Archives

Re: Statistics mismatch between n_live_tup and actual row count

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



  <http://postgresql.1045698.n5.nabble.com/file/n5735593/pg_drift.png> 



86% of the updates are HOT updates!

The difference between the first and second line of this image above is that
366 updates happened of which 299 where HOT. And a vacuum on the table was
run. 
Look at the retuples number change after the vacuum!

Open transactions... how does this impact those numbers?



--
View this message in context: http://postgresql.1045698.n5.nabble.com/Statistics-mismatch-between-n-live-tup-and-actual-row-count-tp5059317p5735593.html
Sent from the PostgreSQL - general mailing list archive at Nabble.com.


-- 
Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-general


[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [Postgresql Jobs]     [Postgresql Admin]     [Postgresql Performance]     [Linux Clusters]     [PHP Home]     [PHP on Windows]     [Kernel Newbies]     [PHP Classes]     [PHP Books]     [PHP Databases]     [Postgresql & PHP]     [Yosemite]
  Powered by Linux