Hello,
Has anyone some experience using defragmentation tools on Linux against
tablespaces ?
we are facing fragmentation problems with postgres instances having a few TB of
data.
( RAID 5 )
I/O througput decreased from 300MB/s to 160.
- We first moved some schemas to separate servers.
Marc Mamin m.ma...@intershop.de wrote:
I/O througput decreased from 300MB/s to 160.
I don't have any experience with ext4 defrag tools, but just wanted
to point out that the difference in performance you cite above is
about the same as the difference between accessing data on the
outer (and
