Hi,

I'm still seeing memory leak with 12.2.5.

seem to leak some MB each 5 minutes.

I'll try to resent some stats next weekend.


----- Mail original -----
De: "Patrick Donnelly" <[email protected]>
À: "Brady Deetz" <[email protected]>
Cc: "Alexandre Derumier" <[email protected]>, "ceph-users" 
<[email protected]>
Envoyé: Jeudi 10 Mai 2018 21:11:19
Objet: Re: [ceph-users] ceph mds memory usage 20GB : is it normal ?

On Thu, May 10, 2018 at 12:00 PM, Brady Deetz <[email protected]> wrote: 
> [ceph-admin@mds0 ~]$ ps aux | grep ceph-mds 
> ceph 1841 3.5 94.3 133703308 124425384 ? Ssl Apr04 1808:32 
> /usr/bin/ceph-mds -f --cluster ceph --id mds0 --setuser ceph --setgroup ceph 
> 
> 
> [ceph-admin@mds0 ~]$ sudo ceph daemon mds.mds0 cache status 
> { 
> "pool": { 
> "items": 173261056, 
> "bytes": 76504108600 
> } 
> } 
> 
> So, 80GB is my configured limit for the cache and it appears the mds is 
> following that limit. But, the mds process is using over 100GB RAM in my 
> 128GB host. I thought I was playing it safe by configuring at 80. What other 
> things consume a lot of RAM for this process? 
> 
> Let me know if I need to create a new thread. 

The cache size measurement is imprecise pre-12.2.5 [1]. You should upgrade 
ASAP. 

[1] https://tracker.ceph.com/issues/22972 

-- 
Patrick Donnelly 

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