RE: [NewStore]About PGLog Workload With RocksDB

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> -----Original Message-----
> From: ceph-devel-owner@xxxxxxxxxxxxxxx [mailto:ceph-devel-
> owner@xxxxxxxxxxxxxxx] On Behalf Of Haomai Wang
> Sent: Tuesday, September 08, 2015 3:58 PM
> To: Sage Weil
 
> Hi Sage,
> 
> I notice your post in rocksdb page about make rocksdb aware of short alive
> key/value pairs.
> 
> I think it would be great if one keyvalue db impl could support different key
> types with different store behaviors. But it looks like difficult for me to add
> this feature to an existing db.
> 
> [..]

Somewhat radical (and maybe also reckless) point of view here, but do we actually need that RocksDB? I'm perfectly aware of fact that writing own RocksDB replacement will take a lot of man-hours, but maybe they'll be better spent than going around current RocksDB limitations, fixing their bugs and tuning Ceph for their code?



With best regards / Pozdrawiam
Piotr Dałek
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