Re: clarification about redhat and vm

Alan Cox (alan@lxorguk.ukuu.org.uk)
Thu, 17 Jan 2002 16:17:21 +0000 (GMT)


> "If redhat doesn't use the -aa VM " was a short form of "if redhat
> cannot see the goodness of all the bugfixing work that happened between
> the 2.4.9 VM and any current branch 2.4, and so if they keep shipping
> 2.4.9 VM as the best one for DBMS and critical VM apps like the SAP
> benchmark".

The RH VM is totally unrelated to the crap in 2.4.9 vanilla. The SAP comment
begs a question. 2.4.10 seems to have problems remembering to actually
do fsync()'s. How much of your SAP benchmark is from fsync's that dont
happen ? Do you get the same values with 2.4.18-aa ?

Alan
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