Given your formula, you would have 512 PGs in total. Instead of dividing that evenly you could also do
128 PGs for pool-1 and 384 PGs for pool-2, which gives you 1/4 and 3/4 of total PGs. This might not be 100% optimal for
the pools but keeps the calculated total PGs and the 100PG/OSD target.
On 8/9/18 10:11 PM, Satish Patel wrote:
Thanks Subhachandra,
That is good point but how do i calculate that PG based on size?
On Thu, Aug 9, 2018 at 1:42 PM, Subhachandra Chandra
<schandra@xxxxxxxxxxxx> wrote:
If pool1 is going to be much smaller than pool2, you may want more PGs in
pool2 for better distribution of data.
On Wed, Aug 8, 2018 at 12:40 AM, Sébastien VIGNERON
<sebastien.vigneron@xxxxxxxxx> wrote:
The formula seems correct for a 100 pg/OSD target.
Le 8 août 2018 à 04:21, Satish Patel <satish.txt@xxxxxxxxx> a écrit :
Thanks!
Do you have any comments on Question: 1 ?
On Tue, Aug 7, 2018 at 10:59 AM, Sébastien VIGNERON
<sebastien.vigneron@xxxxxxxxx> wrote:
Question 2:
ceph osd pool set-quota <poolname> max_objects|max_bytes <val>
set object or byte limit on pool
Le 7 août 2018 à 16:50, Satish Patel <satish.txt@xxxxxxxxx> a écrit :
Folks,
I am little confused so just need clarification, I have 14 osd in my
cluster and i want to create two pool (pool-1 & pool-2) how do i
device pg between two pool with replication 3
Question: 1
Is this correct formula?
14 * 100 / 3 / 2 = 233 ( power of 2 would be 256)
So should i give 256 PG per pool right?
pool-1 = 256 pg & pgp
poo-2 = 256 pg & pgp
Question: 2
How do i set limit on pool for example if i want pool-1 can only use
500GB and pool-2 can use rest of the space?
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