From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
---|---|
To: | Simon Riggs <simon(at)2ndQuadrant(dot)com> |
Cc: | pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: Re: [COMMITTERS] pgsql: Remove old-style VACUUM FULL (which was known for a little while |
Date: | 2010-02-11 15:55:28 |
Message-ID: | 9881.1265903728@sss.pgh.pa.us |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-committers pgsql-hackers |
Simon Riggs <simon(at)2ndQuadrant(dot)com> writes:
> This would only happen if a VACUUM FULL had been run on the pre-9.0
> database and it had failed part way through.
If that were true, you might have an argument, but it isn't. VACUUM
FULL was never very careful about getting rid of all MOVED_xxx bits.
See the comments for update_hint_bits().
> We should remove the moved in/off flag bits and make it a part of the
> upgrade process to ensure the absence of those states.
That's not happening. The whole point of upgrade in place is to not do
anything as expensive as a full-database scan.
regards, tom lane
From | Date | Subject | |
---|---|---|---|
Next Message | Tom Lane | 2010-02-11 16:27:38 | Re: Re: [COMMITTERS] pgsql: Remove old-style VACUUM FULL (which was known for a little while |
Previous Message | Euler Taveira de Oliveira | 2010-02-11 15:29:38 | Re: Re: [COMMITTERS] pgsql: Make standby server continuously retry restoring the next WAL |
From | Date | Subject | |
---|---|---|---|
Next Message | Alexey Klyukin | 2010-02-11 16:10:30 | a common place for pl/perlu modules |
Previous Message | Robert Haas | 2010-02-11 15:53:22 | Re: Writeable CTEs and empty relations |