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From: "Dałek, Piotr" <Piotr.Dalek@ts.fujitsu.com>
To: Haomai Wang <haomaiwang@gmail.com>, Sage Weil <sweil@redhat.com>
Cc: "ceph-devel@vger.kernel.org" <ceph-devel@vger.kernel.org>
Subject: RE: [NewStore]About PGLog Workload With RocksDB
Date: Wed, 9 Sep 2015 09:28:03 +0200	[thread overview]
Message-ID: <90559C83A9C7FA45B5846C975DFA612DDB5498EAB9@ABGEX73E.FSC.NET> (raw)
In-Reply-To: <CACJqLybUOPaj3kFrn6b3-1O7fEd0zom2KR5ETC+DiPpid4HQew@mail.gmail.com>

> -----Original Message-----
> From: ceph-devel-owner@vger.kernel.org [mailto:ceph-devel-
> owner@vger.kernel.org] 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

      parent reply	other threads:[~2015-09-09  7:28 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-09-08 13:58 [NewStore]About PGLog Workload With RocksDB Haomai Wang
2015-09-08 14:06 ` Haomai Wang
2015-09-08 14:12   ` Gregory Farnum
2015-09-08 14:18     ` Haomai Wang
2015-09-08 15:47     ` Gregory Farnum
2015-09-08 19:19   ` Sage Weil
2015-09-08 19:27     ` Mark Nelson
     [not found]     ` <55EF3639.3060108@redhat.com>
2015-09-08 19:32       ` Sage Weil
     [not found]         ` <6F3FA899187F0043BA1827A69DA2F7CC0361ED99@shsmsx102.ccr.corp.intel.com>
2015-09-14 12:31           ` Sage Weil
2015-09-09  7:28 ` Dałek, Piotr [this message]

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