* rbd snap ls does not list more than 200 snapshots
@ 2012-01-24 22:28 Martin Mailand
2012-01-25 1:48 ` Josh Durgin
0 siblings, 1 reply; 2+ messages in thread
From: Martin Mailand @ 2012-01-24 22:28 UTC (permalink / raw)
To: ceph-devel
Hi,
I created quite a few snapshots of a rbd image. After around 200
snapshots the command rbd snap ls vm10 does not return, instead it uses
all of the memory of a 32G machine an then the oom killer gets kicked in.
Are 200 snapshots a known limit?
How to reproduce:
for i in $(seq 500); do rbd snap create --snap=a$i vm10; echo $i ; done
rbd snap ls vm10
doesn't return
top:
25381 root 20 0 5425m 5.2g 5436 S 29 16.4 1:10.21 rbd
rbd -v
ceph version 0.40-206-g6c275c8
(commit:6c275c8195a8ae04e8a492d043fa6dfd60cecd82)
-martin
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: rbd snap ls does not list more than 200 snapshots
2012-01-24 22:28 rbd snap ls does not list more than 200 snapshots Martin Mailand
@ 2012-01-25 1:48 ` Josh Durgin
0 siblings, 0 replies; 2+ messages in thread
From: Josh Durgin @ 2012-01-25 1:48 UTC (permalink / raw)
To: martin; +Cc: ceph-devel
On 01/24/2012 02:28 PM, Martin Mailand wrote:
> Hi,
> I created quite a few snapshots of a rbd image. After around 200
> snapshots the command rbd snap ls vm10 does not return, instead it uses
> all of the memory of a 32G machine an then the oom killer gets kicked in.
> Are 200 snapshots a known limit?
>
> How to reproduce:
>
> for i in $(seq 500); do rbd snap create --snap=a$i vm10; echo $i ; done
>
> rbd snap ls vm10
> doesn't return
Thanks for the info - this is fixed by
2c2cc1596cd63b6368d13a2665c6c85d3d8ed532.
> top:
> 25381 root 20 0 5425m 5.2g 5436 S 29 16.4 1:10.21 rbd
>
> rbd -v
> ceph version 0.40-206-g6c275c8
> (commit:6c275c8195a8ae04e8a492d043fa6dfd60cecd82)
>
>
> -martin
^ permalink raw reply [flat|nested] 2+ messages in thread
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2012-01-24 22:28 rbd snap ls does not list more than 200 snapshots Martin Mailand
2012-01-25 1:48 ` Josh Durgin
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