On 11.08.2015 12:38, Dmitry Morozovsky wrote: > 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?
Theoretically planned, but no specific terms yet -- too many changes. -- Alexander Motin _______________________________________________ svn-src-head@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
