Hi,
There was a thread about this a not long ago, please check:
http://lists.ceph.com/pipermail/ceph-users-ceph.com/2017-October/021676.html
Denes.
On 10/24/2017 11:48 AM, shadow_lin wrote:
Hi All,
The cluster has 24 osd with 24 8TB hdd.
Each osd server has 2GB ram and runs 2OSD with 2 8TBHDD. I know the
memory is below the remmanded value, but this osd server is an ARM
server so I can't do anything to add more ram.
I created a replicated(2 rep) pool and an 20TB image and mounted to
the test server with xfs fs.
I have set the ceph.conf to this(according to other related post
suggested):
[osd]
bluestore_cache_size = 104857600
bluestore_cache_size_hdd = 104857600
bluestore_cache_size_ssd = 104857600
bluestore_cache_kv_max = 103809024
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