[Openstack] How much partition number should be on disk

Vil Surkin vill.srk at gmail.com
Fri Sep 6 08:22:18 UTC 2013


When i create ring, i use formula like "disks_numbers * 100 and round to nearest power of two". I calculate param "part_power" to be near 100 on each disk. But when i add devices to ring and rebalance them, then i get number of partitions multiplied to "replica_count" number.

So, how much partitions should be on one disk?
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