[ceph-users] Re: ceph rbox test on passive compressed pool

2020-09-16 Thread Marc Roos
Hi David, Jan, Terribly terribly sorry, I just noticed that the imaptest program used this 'DON'T DELETE THIS MESSAGE -- FOLDER INTERNAL DATA' to test with, which is 537 bytes. This explains at least why half the messages were so small. So conclusion is that. - either the hint is not corre

[ceph-users] Re: ceph rbox test on passive compressed pool

2020-09-14 Thread Marc Roos
> mail/b875f40571f1545ff43052412a8e mtime 2020-09-06 > 16:25:53.00, > size 63580 > mail/e87c120b19f1545ff43052412a8e mtime 2020-09-06 > 16:24:25.00, > size 525 Hi David, How is this going? To me this looks more like deduplication than compression. This

[ceph-users] Re: ceph rbox test on passive compressed pool

2020-09-14 Thread Marc Roos
> mail/b875f40571f1545ff43052412a8e mtime 2020-09-06 > 16:25:53.00, > size 63580 > mail/e87c120b19f1545ff43052412a8e mtime 2020-09-06 > 16:24:25.00, > size 525 Hi David, How is this going. To me this looks more like deduplication than compression. This

[ceph-users] Re: ceph rbox test on passive compressed pool

2020-09-11 Thread Marc Roos
It is a hdd pool, all bluestore, configured with ceph-disk. Upgrades seem not to have 'updated' bluefs, some osds report like this: { "/dev/sdb2": { "osd_uuid": "xxx", "size": 4000681103360, "btime": "2019-01-08 13:45:59.488533", "description": "main"

[ceph-users] Re: ceph rbox test on passive compressed pool

2020-09-11 Thread david
On 09/11 09:36, Marc Roos wrote: > > Hi David, > > Just to let you know, this hint is being set, what is the reason for > ceph of doing only half the objects? Can it be that there is some issue > with my osd's? Like some maybe have an old fs (still using disk not > volume)? Is this still to be

[ceph-users] Re: ceph rbox test on passive compressed pool

2020-09-11 Thread Marc Roos
Hi David, Just to let you know, this hint is being set, what is the reason for ceph of doing only half the objects? Can it be that there is some issue with my osd's? Like some maybe have an old fs (still using disk not volume)? Is this still to be expected or does ceph under pressure drop co

[ceph-users] Re: ceph rbox test on passive compressed pool

2020-09-06 Thread Marc Roos
Hi David, I suppose it is this part https://github.com/ceph-dovecot/dovecot-ceph-plugin/tree/master/src/storage-rbox -Original Message- To: ceph-users@ceph.io; Subject: Re: [ceph-users] ceph rbox test on passive compressed pool The hints have to be given from the client side as far as

[ceph-users] Re: ceph rbox test on passive compressed pool

2020-09-06 Thread David Caro
The hints have to be given from the client side as far as I understand, can you share the client code too? Also,not seems that there's no guarantees that it will actually do anything (best effort I guess): https://docs.ceph.com/docs/mimic/rados/api/librados/#c.rados_set_alloc_hint Cheers On 6