Messages in this thread | | | Date | Fri, 01 Nov 2002 04:55:14 +0300 | From | Hans Reiser <> | Subject | Re: [BK][PATCH] Reiser4, will double Linux FS performance, pleaseapply |
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Andrew Morton wrote:
>Hans Reiser wrote: > > >>Well, if we are only 2.5 times as fast for writes as ext3 after your >>patch is applied, I'll still feel good.;-) >> >> >> > >whupping ext3's butt on write performance isn't very hard, really ;) > >But it should be done based on "feature equivalency". By default, >ext3 uses ordered data writes. Data is written to disk before >the metadata to which that data refers is committed to journal. > >It would be questionable to compare a metadata-only journalling >approach to ext3 with data=journal or data=ordered. > > > > > The atomic transactions that reiser4 offers are a much higher level of data security than data journaling. Really, you should read the 17 page papers I send you URLs to;-)..... (www.namesys.com/v4/fast_reiser4.html).
-- Hans
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