Is compression impacted when setting block size? --zoly
-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Richard Elling Sent: Thursday, November 08, 2007 1:56 PM To: Louwtjie Burger Cc: zfs-discuss@opensolaris.org Subject: Re: [zfs-discuss] ZFS + DB + default blocksize Louwtjie Burger wrote: > Hi > > What is the impact of not aligning the DB blocksize (16K) with ZFS, > especially when it comes to random reads on single HW RAID LUN. > Potentially, depending on the write part of the workload, the system may read 128 kBytes to get a 16 kByte block. This is not efficient and may be noticeable as a performance degradation. > How would one go about measuring the impact (if any) on the workload? > Try it and see if it meets your requirements. -- richard _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
