Re: [ceph-users] Cache Tiering Question

: 16 October 2015 00:50 > To: ceph-users@lists.ceph.com > Subject: Re: [ceph-users] Cache Tiering Question > > > Hello, > > Having run into this myself two days ago (setting relative sizing values > doesn't > flush things when expected) I'd say that the documentati

Re: [ceph-users] Cache Tiering Question

PGP SIGNED MESSAGE- >> >> Hash: SHA256 >> >> >> >> hmmm... >> >> >> >> http://docs.ceph.com/docs/master/rados/operations/cache-tiering/#relative-sizing >> >> >> >> makes it sound like it should be based on the size of the po

Re: [ceph-users] Cache Tiering Question

e sizing values >> >> doesn't flush things when expected) I'd say that the documentation is >> >> highly misleading when it comes to the relative settings. >> >> >> >> And unclear when it comes to the size/object settings. >> >> >&g

Re: [ceph-users] Cache Tiering Question

ull must be set explicitly to match your >>> > configuration. >>> > >>> > Note that you can at the same time define max_bytes and max_objects. >>> > The first of the 2 values that breaches using your ratio settings will >>> > trigger

Re: [ceph-users] Cache Tiering Question

A256 > >>> > >>> One more question. Is max_{bytes,objects} before or after replication > >>> factor? > >>> - > >>> Robert LeBlanc > >>> PGP Fingerprint 79A2 9CA4 6CC4 45DD A904 C70E E654 3BB2 FA62 B9F1 >

Re: [ceph-users] Cache Tiering Question

; uNQ8 > >> > =z47G > >> > -END PGP SIGNATURE- > >> > > >> > Robert LeBlanc > >> > PGP Fingerprint 79A2 9CA4 6CC4 45DD A904 C70E E654 3BB2 FA62 B9F1 > >> > > >> > > >> > On T

Re: [ceph-users] Cache Tiering Question

of target_max_bytes set? >>> - >>> Robert LeBlanc >>> PGP Fingerprint 79A2 9CA4 6CC4 45DD A904 C70E E654 3BB2 FA62 B9F1 >>> >>> >>> On Thu, Oct 15, 2015 at 3:32 PM, Nick Fisk wrote: >>>> >>>>

Re: [ceph-users] Cache Tiering Question

>> - > >> Robert LeBlanc > >> PGP Fingerprint 79A2 9CA4 6CC4 45DD A904 C70E E654 3BB2 FA62 B9F1 > >> > >> > >> On Thu, Oct 15, 2015 at 3:32 PM, Nick Fisk wrote: > >>> > >>> > >>> > >>> >

Re: [ceph-users] Cache Tiering Question

t LeBlanc >> PGP Fingerprint 79A2 9CA4 6CC4 45DD A904 C70E E654 3BB2 FA62 B9F1 >> >> >> On Thu, Oct 15, 2015 at 3:32 PM, Nick Fisk wrote: >>> >>> >>> >>> >>>> -----Original Message----- >>>> From: ceph-users [mailto:cep

Re: [ceph-users] Cache Tiering Question

t_{dirty,dirty_high,full}_ratio works as a >>>> ratio of target_max_bytes set? >>>> - >>>> Robert LeBlanc >>>> PGP Fingerprint 79A2 9CA4 6CC4 45DD A904 C70E E654 3BB2 FA62 B9F1 >>>> >>>> >>

[ceph-users] Cache Tiering Question

-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 ceph df (ceph version 0.94.3-252-g629b631 (629b631488f044150422371ac77dfc005f3de1bc)) is showing some odd results: root@nodez:~# ceph df GLOBAL: SIZE AVAIL RAW USED %RAW USED 24518G 21670G1602G 6.53

Re: [ceph-users] Cache Tiering Question

I was not able to trigger eviction using percentage settings. I run the hot pool into "cluster is full" and the eviction did not start. As an option a threshold on # of objects did trigger an eviction. Unfortunately it stalled all the writes to the hot pool until the eviction was complete. On

Re: [ceph-users] Cache Tiering Question

> -Original Message- > From: ceph-users [mailto:ceph-users-boun...@lists.ceph.com] On Behalf Of > Robert LeBlanc > Sent: 15 October 2015 22:06 > To: ceph-users@lists.ceph.com > Subject: [ceph-users] Cache Tiering Question > > -BEGIN PGP SIGNED MESSAGE-

Re: [ceph-users] Cache Tiering Question

ceph-users [mailto:ceph-users-boun...@lists.ceph.com] On Behalf Of >> Robert LeBlanc >> Sent: 15 October 2015 22:06 >> To: ceph-users@lists.ceph.com >> Subject: [ceph-users] Cache Tiering Question >> >> -BEGIN PGP SIGNED MESSAGE- >