> From: Mikheev, Vadim > Sent: Monday, May 21, 2001 10:23 AM > To: 'Jan Wieck'; Tom Lane > Cc: The Hermit Hacker; 'Bruce Momjian'; > [EMAIL PROTECTED] Strange address, Jan? > Subject: RE: [HACKERS] Plans for solving the VACUUM problem > > > > I think the in-shared-mem FSM could have some max-per-table > > limit and the background VACUUM just skips the entire table > > as long as nobody reused any space. Also it might only > > compact pages that lead to 25 or more percent of freespace in > > the first place. That makes it more likely that if someone > > looks for a place to store a tuple that it'll fit into that > > block (remember that the toaster tries to keep main tuples > > below BLKSZ/4). > > This should be configurable parameter like PCFREE (or something > like that) in Oracle: consider page for insertion only if it's > PCFREE % empty. > > Vadim > ---------------------------(end of broadcast)--------------------------- TIP 2: you can get off all lists at once with the unregister command (send "unregister YourEmailAddressHere" to [EMAIL PROTECTED])
- Re: [HACKERS] Plans for solving the VACUUM problem Tom Lane
- Re: [HACKERS] Plans for solving the VACUUM problem Tom Lane
- Re: [HACKERS] Plans for solving the VACUUM problem Tom Lane
- Re: [HACKERS] Plans for solving the VACUUM problem Vadim Mikheev
- RE: [HACKERS] Plans for solving the VACUUM problem Mikheev, Vadim
- RE: [HACKERS] Plans for solving the VACUUM problem Mikheev, Vadim
- RE: [HACKERS] Plans for solving the VACUUM problem Mikheev, Vadim
- RE: [HACKERS] Plans for solving the VACUUM problem Mikheev, Vadim
- Re: [HACKERS] Plans for solving the VACUUM problem Tom Lane
- RE: [HACKERS] Plans for solving the VACUUM problem Mikheev, Vadim
- RE: [HACKERS] Plans for solving the VACUUM problem Mikheev, Vadim
- RE: [HACKERS] Plans for solving the VACUUM problem Mikheev, Vadim
- RE: [HACKERS] Plans for solving the VACUUM problem Mikheev, Vadim
- RE: [HACKERS] Plans for solving the VACUUM problem Philip Warner
- Re: [HACKERS] Plans for solving the VACUUM problem Tom Lane
- RE: [HACKERS] Plans for solving the VACUUM problem Mikheev, Vadim
- Re: [HACKERS] Plans for solving the VACUUM problem Philip Warner
- RE: [HACKERS] Plans for solving the VACUUM problem Mikheev, Vadim
- RE: [HACKERS] Plans for solving the VACUUM problem Mikheev, Vadim