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50_dialy:2021:02:13

2021.02.13 Ceph BlueStore サイジング

RBD workloads

The general recommendation is to have block.db size in between 1% to 4% of block size. For RGW workloads, it is 
recommended that the block.db size isn’t smaller than 4% of block, because RGW heavily uses it to store its 
metadata. 
For example, if the block size is 1TB, then block.db shouldn’t be less than 40GB. 
For RBD workloads, 1% to 2% of block size is usually enough.

rocksdb = 2%
waldb = 0.02%

下記も参考RAM/CPUサイジング

50_dialy/2021/02/13.txt · 最終更新: 2022/03/03 18:02 by matsui