Hi again,
Thanks to a hint from another user I seem to have gotten past this.
The trick was to restart the osds with a positive merge threshold (10)
then cycle through rados bench several hundred times, e.g.
while true ; do rados bench -p default.rgw.buckets.index 10 write
-b 4096 -t 128; sle
Hi all,
We have a slight issue while trying to migrate a pool from filestore
to bluestore.
This pool used to have 20 million objects in filestore -- it now has
50,000. During its life, the filestore pgs were internally split
several times, but never merged. Now the pg _head dirs have mostly
empty