pgobserver might do that as well, particulary useful for functions performances.
https://github.com/zalando/PGObserver On Mon, Jul 23, 2018 at 1:18 PM, Thomas Güttler < guettl...@thomas-guettler.de> wrote: > Is there a tool which does this for PostgreSQL? > > Take a "snapshot" of what the server is doing about 10 times per second. > Write this to a file. > After N hours you can aggregate the file. > What does the server do most of the time? > Which tables/index gets used the most. > > Before optimizing a database, I would like to know what is going > on in the production system. > > I know that there are internal tables like pg_stat_statements. > But I guess doing a snapshot every N millseconds will present a > better picture of what is going in in real life. > > Is there already a tool which goes this way? > > Or is there a better way? > > Regards, > Thomas Güttler > > -- > Thomas Guettler http://www.thomas-guettler.de/ > I am looking for feedback: https://github.com/guettli/pro > gramming-guidelines > >
