tag:blogger.com,1999:blog-802995254219063820.post6675332389197911231..comments2023-11-05T04:11:25.357-08:00Comments on The Zone Manager: Directory Data Priming StrategiesBrad Diggshttp://www.blogger.com/profile/17620306971847144685noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-802995254219063820.post-37455266802664219662010-02-11T01:18:46.288-08:002010-02-11T01:18:46.288-08:00Hi Brad,
excellent analysis, congratulations!
Yo...Hi Brad,<br /><br />excellent analysis, congratulations!<br /><br />Your priming observations are not limited to LDAP servers. I'm sure that other types of databases as well as other applications with significant data sets would equally well benefit from dd priming.<br /><br />The usefulness of priming the L2ARC you have found suggests that ZFS should be given subcommands to do efficient priming. One could imagine something like "zfs prime tank/fs1 /tank/fs1/data1.db /tank/fs1/data2.db ..." This would have two benefits: 1) ZFS could walk through the priming data faster than dd, and 2) ZFS would be able to mark the data as "frequently used" in the L2ARC even though it has effectively only been used once (which is the essence of priming: Make the system aware of frequently used data).<br /><br />Thanks for posting this, especially the graphs show how useful L2ARC is and how priming can improve this even further.Constantinhttps://www.blogger.com/profile/01512488549888678902noreply@blogger.com