Ceph

03/11/2021

03:58 PM bluestore Bug #45765: BlueStore::_collection_list causes huge latency growth pg deletion

Andy Allan wrote:
> In several cases, our df charts show a smooth decay curve (instead of a linear drop in disk us... Andy Allan

09/30/2020

09:15 AM bluestore Bug #45765: BlueStore::_collection_list causes huge latency growth pg deletion

> Can you give a brief try to osd_delete_sleep_ssd = 1? Most probably this wouldn't speed up the removal process but ... Andy Allan

09/29/2020

01:19 PM bluestore Bug #45765: BlueStore::_collection_list causes huge latency growth pg deletion

Andy Allan wrote:
> I'll set that tomorrow and see what happens.
Setting osd_delete_sleep_ssd to 0.05 didn't ma... Andy Allan

09/23/2020

05:31 PM bluestore Bug #45765: BlueStore::_collection_list causes huge latency growth pg deletion

Thanks for your help Igor.
> Could you please raise rocksdb_delete_range_threshold to e.g. 1 billion. This wouldn... Andy Allan

09/21/2020

07:55 PM bluestore Bug #45765: BlueStore::_collection_list causes huge latency growth pg deletion

I'm experiencing a similar problem with our brand new octopus cluster (default settings, radosgw only, 18 NVMe OSDs, ... Andy Allan

07/08/2015

01:28 PM Ceph Feature #12248 (Resolved): Add units to rados bench output

Most of the output of rados bench is missing units. For example, it is not clear if the average latency is shown in s... Andy Allan