Alexander, On Mon, 10 Aug 2015, Alexander Motin wrote:
> Author: mav > Date: Mon Aug 10 10:34:23 2015 > New Revision: 286570 > URL: https://svnweb.freebsd.org/changeset/base/286570 > > Log: > MFV r277426: 5408 managing ZFS cache devices requires lots of RAM > > illumos/illumos-gate@89c86e32293a30cdd7af530c38b2073fee01411c [snip] > For an average blocksize of 8KB, this means that for the L2ARC, the ratio > of metadata to data has gone down from about 2.92% to 1.56%. For a > 'storage optimized' EC2 instance with 1600GB of SSD and 60GB of RAM, this > means that we expect a completely full L2ARC to use (1600 GB * 0.0156) / > 60GB = 41% of the available memory, down from 78%. Thanks! Any MFC planned please? -- Sincerely, D.Marck [DM5020, MCK-RIPE, DM3-RIPN] [ FreeBSD committer: ma...@freebsd.org ] ------------------------------------------------------------------------ *** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- ma...@rinet.ru *** ------------------------------------------------------------------------ _______________________________________________ svn-src-all@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
