17 Dec
2024
17 Dec
'24
3:07 p.m.
To be honest with 3:8 we could protect the cluster more from osd flapping. Let's say you have less chance to have 8 down pgs on 8 separate nodes then with 8:3 only 3pgs on 3 nodes. Of course this comes with the cost on storage used. Is there any disadvantage performance wise on this?
A few years back someone asserted that EC values with small prime factors are advantageous, so 23,11 would be doubleplus ungood.
I thought it was that K should preferably be a power of two, M as many as your security demands require. Also pools should have power-of-two PGs, and bucket shards would be primes. I could be wrong though. -- May the most significant bit of your life be positive.