Re: [GENERAL] Excessive vacuum times

2005-12-13 Thread Tom Lane
Wes <[EMAIL PROTECTED]> writes: > Any ideas on how I might I reconfigure to mitigate the issue? Separating > the most offending indexes to separate drives probably isn't an option. What are you using for vacuum_mem? A larger value should reduce the number of times we have to scan the indexes of

Re: [GENERAL] Excessive vacuum times

2005-12-13 Thread Wes
On 12/12/05 5:26 PM, "Tom Lane" <[EMAIL PROTECTED]> wrote: >> The problem was determined to be due to the fact that indexes are vacuumed >> in index order, not in disk storage order. I don't see anything about this >> in the "What's new" for 8.1. Has anything been done to resolve this? > > No.

Re: [GENERAL] Excessive vacuum times

2005-12-13 Thread Jim C. Nasby
On Mon, Dec 12, 2005 at 11:09:01PM -0500, Tom Lane wrote: > "Jim C. Nasby" <[EMAIL PROTECTED]> writes: > > On Mon, Dec 12, 2005 at 06:26:37PM -0500, Tom Lane wrote: > >> No. Avoiding that would require a new approach to > >> vacuum-vs-ordinary-indexscan interlocking, so it won't happen until > >>

Re: [GENERAL] Excessive vacuum times

2005-12-12 Thread Tom Lane
"Jim C. Nasby" <[EMAIL PROTECTED]> writes: > On Mon, Dec 12, 2005 at 06:26:37PM -0500, Tom Lane wrote: >> No. Avoiding that would require a new approach to >> vacuum-vs-ordinary-indexscan interlocking, so it won't happen until >> someone has a Bright Idea (tm). > Plus there is a TODO to only vacu

Re: [GENERAL] Excessive vacuum times

2005-12-12 Thread Jim C. Nasby
On Mon, Dec 12, 2005 at 06:26:37PM -0500, Tom Lane wrote: > Wes <[EMAIL PROTECTED]> writes: > > The problem was determined to be due to the fact that indexes are vacuumed > > in index order, not in disk storage order. I don't see anything about this > > in the "What's new" for 8.1. Has anything b

Re: [GENERAL] Excessive vacuum times

2005-12-12 Thread Tom Lane
Wes <[EMAIL PROTECTED]> writes: > The problem was determined to be due to the fact that indexes are vacuumed > in index order, not in disk storage order. I don't see anything about this > in the "What's new" for 8.1. Has anything been done to resolve this? No. Avoiding that would require a new