Re: [GENERAL] vacuum - reclaiming disk space.

2016-03-19 Thread Chris Travers
Autovacuum will eventually free your extra pages regarding index bloat but it takes multiple runs. You could also use reindex instead of vacuum full since you are only interested in the index. For the table there may be other options but they depend on your pattern of writes. On Thu, Mar 17, 201

Re: [GENERAL] vacuum - reclaiming disk space.

2016-03-19 Thread Melvin Davidson
On Thu, Mar 17, 2016 at 10:57 AM, bricklen wrote: > On Thu, Mar 17, 2016 at 7:27 AM, Mike Blackwell > wrote: > >> I have a large table with numerous indexes which has approximately >> doubled in size after adding a column - every row was rewritten and 50% of >> the tuples are dead. I'd like to

[GENERAL] vacuum - reclaiming disk space.

2016-03-19 Thread Mike Blackwell
I have a large table with numerous indexes which has approximately doubled in size after adding a column - every row was rewritten and 50% of the tuples are dead. I'd like to reclaim this space, but VACUUM FULL cannot seem to finish within the scheduled downtime. Any suggestions for reclaiming th

Re: [GENERAL] vacuum - reclaiming disk space.

2016-03-19 Thread bricklen
On Thu, Mar 17, 2016 at 7:27 AM, Mike Blackwell wrote: > I have a large table with numerous indexes which has approximately doubled > in size after adding a column - every row was rewritten and 50% of the > tuples are dead. I'd like to reclaim this space, but VACUUM FULL cannot > seem to finish

Re: [GENERAL] vacuum - reclaiming disk space.

2016-03-19 Thread Robert McAlpine
Just to throw some extreme ideas out there, you could stand up a postgres on some other server, pg_dump your current database and use that dump to build up your second postgres. Use that new postgres when your system goes live again after downtime. Restoring from a dump means your database would no