From: Mike Almateia <mike.almateia@gmail.com>
To: Ceph Development <ceph-devel@vger.kernel.org>
Subject: All-Flash Ceph cluster and journal
Date: Thu, 19 Nov 2015 14:29:37 +0300 [thread overview]
Message-ID: <564DB2A1.9080603@gmail.com> (raw)
Hello.
By now we have SSD disks with a great perfomance under O_DIRECT/O_SYNC
flags (and we recomended to use they for journal).
Why in a All-Flash type Ceph clusters we still use journal and them put
a data into OSD?
Why we can't just write a data into OSD with O_DIRECT/O_SYNC flags,
without journal?
Can we just switch off the journal functional for all-flash ceph clusters?
--
Mike, runs.
next reply other threads:[~2015-11-19 11:29 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-19 11:29 Mike Almateia [this message]
2015-11-19 14:34 ` All-Flash Ceph cluster and journal Mark Nelson
2015-11-20 10:42 ` Mike Almateia
2015-11-20 10:49 ` Piotr.Dalek
2015-11-23 17:37 ` Blinick, Stephen L
2015-11-23 18:39 ` Daniel Swarbrick
2015-11-23 21:20 ` Blinick, Stephen L
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