HAMMER Update 17-June-2008 - HEADS UP: MEDIA CHANGED AGAIN (2.5 of 4)

Previous thread: Re: HAMMER Update 13-June-2008 - HEADS UP: MEDIA CHANGED AGAIN by Matthew Dillon on Tuesday, June 17, 2008 - 6:25 pm. (1 message)

Next thread: [amd64] reusing FreeBSD code by Jordan Gordeev on Wednesday, June 18, 2008 - 12:29 pm. (3 messages)
From: Matthew Dillon
Date: Tuesday, June 17, 2008 - 6:54 pm

More media changes have gone in.  Not the one I intended to put in
    today so there are still two left.

    Testers need to rebuild kernel / utilities and a newfs_hammer is
    needed (and will be throughout this week).  Please expect that the
    commits going in this week will require newfs'ing for testing purposes.

    56B Fixes numerous performance issues, including a very nasty 25uS crc
    calculation that was being made on every B-Tree node access and every
    B-Tree node modification.  That calculation is now only being made
    on the initial buffer load into the cache and when the modified nodes
    are written out.

					-Matt
					Matthew Dillon 
					<dillon@backplane.com>
Previous thread: Re: HAMMER Update 13-June-2008 - HEADS UP: MEDIA CHANGED AGAIN by Matthew Dillon on Tuesday, June 17, 2008 - 6:25 pm. (1 message)

Next thread: [amd64] reusing FreeBSD code by Jordan Gordeev on Wednesday, June 18, 2008 - 12:29 pm. (3 messages)