Re: Ceph with high disk densities?

[Corin Langosch <corin.langosch@xxxxxxxxxxx>]

Am 07.10.2013 18:23, schrieb Gregory Farnum:

There are a few tradeoffs you can make to reduce memory usage (I
believe the big one is maintaining a shorter PG log, which lets nodes
catch up without going through a full backfill), and there is also a

I wonder why this log has to be fully kept in memory and not stored on disk? Is there an easy way to calculate how long an OSD can be down with a given PG log size and iops? See http://tracker.ceph.com/issues/570

Corin

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