Re: database bloat,non removovable rows, slow query etc... [RESOLVED]

Tom Lane <tgl@sss.pgh.pa.us> writes:

> Matteo Sgalaberni <sgala@sgala.com> writes:
> > Good to know this...but why this behaviour? it'is lovely...:)
>
> Open transactions are tracked across the whole cluster.  This is
> necessary when vacuuming shared catalogs.  In principle we could
> track per-database xmin values as well, but the distributed overhead
> that'd be added to *every* GetSnapshotData call is a bit worrisome.

Don't we do that now in CVS (ie, in 8.2)?

--
  Gregory Stark
  EnterpriseDB          http://www.enterprisedb.com