Ceph

11/11/2020

09:36 AM bluestore Bug #46027: bufferlist c_str() sometimes clears assignment to mempool

It could be beneficial to backport this fix to octypus and nautilus. I suspect that it fixes a rebuild leak to the bu... Zac Medico

11/07/2020

02:34 AM RADOS Bug #45706: Memory usage in buffer_anon showing unbounded growth in osds on EC pool. (14.2.9)

There's this buffer::list::rebuild buffer_anon leak fix in the master branch that may solve the issue:
https://git... Zac Medico

09/06/2018

09:17 PM Ceph Revision 1f1c6f39 (ceph): osd/PGPool::update: optimize with subset_of

Replace expensive inverval_set intersection_of and operator==
calls with a single subset_of call. I borrowed this ide... Zac Medico

09:12 PM Ceph Revision e9ee4dd9 (ceph): PGPool::update: optimize removed_snaps comparison when possible

In self/unmanaged snaps mode, optimize removed_snaps comparison
for cases where removed_snaps has not changed. This e... Zac Medico

09:11 PM Ceph Revision 70bb615b (ceph): PGPool::update: avoid expensive union_of

Achieve the same result using a swap (constant complexity),
and an assignment (linear complexity).
Signed-off-by: Za... Zac Medico

09:10 PM Ceph Revision d68cff3d (ceph): PGPool::update: optimize with interval_set.swap

Use constant complexity swap instead of linear complexity
assignment.
Signed-off-by: Zac Medico <zmedico@gmail.com>
... Zac Medico

04/12/2018

06:34 PM Ceph Revision 4aefab03 (ceph): interval_set: optimize intersection_of

Iterate over all elements of the smaller set, and use find_inc to
locate elements from the larger set in logarithmic ... Zac Medico

06:34 PM Ceph Revision 61c66a1e (ceph): inverval_set: optimize subset_of with sequential search

Optimize subset_of to use sequential search when it
performs better than the lower_bound method, for set
size ratios ... Zac Medico

09/27/2017

01:33 AM Ceph Revision 18cbba4d (ceph): osd/PGPool::update: optimize with subset_of

Replace expensive inverval_set intersection_of and operator==
calls with a single subset_of call. I borrowed this ide... Zac Medico

12:33 AM Ceph Revision 5c377581 (ceph): inverval_set: optimize subset_of with sequential search

Optimize subset_of to use sequential search when it
performs better than the lower_bound method, for set
size ratios ... Zac Medico