Re: keeping a timestamp of the last stats reset (for a db, table and function)
Tom Lane <tgl@sss.pgh.pa.us>
From: Tom Lane <tgl@sss.pgh.pa.us>
To: Tomas Vondra <tv@fuzzy.cz>
Cc: pgsql-hackers@postgresql.org
Date: 2010-12-19T19:28:34Z
Lists: pgsql-hackers
Tomas Vondra <tv@fuzzy.cz> writes: > Dne 19.12.2010 17:26, Tom Lane napsal(a): >> That seems like quite a bizarre definition. What I was envisioning was >> that we'd track only the time of the last whole-database stats reset. > Well, but that does not quite work. I need is to know whether the > snapshot is 'consistent' i.e. whether I can compare it to the previous > snapshot and get meaningful results (so that I can perform some analysis > on the difference). Oh, I see. Yeah, if that's what you want it for then partial resets have to change the timestamp too. I guess if we are careful to document it properly, this won't be too horrid. regards, tom lane