From mboxrd@z Thu Jan  1 00:00:00 1970
From: "E. Gryaznova" <grev@namesys.com>
Subject: Re: mongo.pl PHASE_* options question
Date: Fri, 23 Jul 2004 02:25:59 +0400
Message-ID: <41003EF7.6000003@namesys.com>
References: <20040722203115.2922715E03@mail03.powweb.com>
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To: David Dabbs <david@dabbs.net>
Cc: reiserfs-list@namesys.com

Hello,

unfortunately this is the very old mongo version. Please try the new one :

http://www.namesys.com/benchmarks/mongo-2003.06.24.tar.gz

which has an ability to selectively turn phases on/off.

The new options documentation will be added tomorrow.

Thanks,
Lena.

David Dabbs wrote:

>I=92d like to reproduce the mongo tests as shown at=20
>
>	http://www.namesys.com/benchmarks/v4marks.html
>
>The page presents the mongo options used to generate the results, but not
>all of these are documented at=20
>
>	http://www.namesys.com/benchmarks/mongo_readme.html
>
>,and they are not mentioned in the mongo distribution README.
>
>
>FSTYPE=3D ext3 | reiserfs | reiser4
>MKFS=3D mkfs.<FSTYPE>
>
>DEV=3D/dev/hda2   (or whatever disk device)=20
>DIR=3D/mnt/testfs (mountpoint you must create)
>FILE_SIZE=3D4000=20
>BYTES=3D512000000=20
>#
># To have results free from buffer cache influence,=20
># settings must satisfy=20
>#
>#    BYTES * REP_COUNTER > ramsize
>#
>
>MOUNT_OPTIONS=3D<fs-specific mount options passed to MKFS command>
>
>NPROC=3D1
>REP_COUNTER=3D1=20
>SYNC=3Doff=20
>WRITE_BUFFER=3D131072=20
>GAMMA=3D0.2=20
>
>DD_MBCOUNT=3D768
>
>#
># these are not documented
>#
>PHASE_COPY=3Dcp=20
>PHASE_OVERWRITE=3Doff=20
>PHASE_APPEND=3Doff=20
>PHASE_READ=3Dfind=20
>PHASE_DELETE=3Drm=20
>PHASE_MODIFY=3Doff
>
>
>A quick scan of mongo.pl code that validates options shows that the PHASE_*
>options are not present, so it is safe to assume that the PHASE* options a=
re
>defunct. If this is the case, perhaps these options should be removed from
>the page.
>
>David
>
>
># description of all valid options which can be in an input file is a
># hash array each element of it has the following form:=20
># "key" =3D> ["default value", flags, comment string]
>
>%OPTIONS =3D (
>"FSTYPE"  =3D> [ undef, $SHOULD_BE_SET, "filesystem type"],
>"DIR"     =3D> [ undef, $SHOULD_BE_SET, "fs mount point"],
>"MKFS"    =3D> [ undef, 0, "mkfs command"],
>"DEV"     =3D> [ undef, $SHOULD_BE_SET, "device file name"],
>"JOURNAL_DEV"  =3D> [ undef, 0, "journal device file name"],
>"JOURNAL_SIZE" =3D> [ undef, 0, "journal size in 4K blocks"],
>"MOUNT_OPTIONS" =3D> [ undef, 0, "mount options"],
>"BYTES" =3D> [ undef, $SHOULD_BE_SET, "file set size (in bytes) created by=
 all
>instances of reiser_fract_tree in one pass, "],
>"FILE_SIZE" =3D> [ undef, $SHOULD_BE_SET, "median file size (a
>reiser_fract_tree parameter)"],
>"REP_COUNTER" =3D> [3, 0, "number of passes for each mongo phase"],
>"NPROC" =3D> [3, 0, "munber of processes running simultaneously"],
>"WRITE_BUFFER" =3D> [4096, 0, "read/write buffer size parameter for mongo
>utilities"],=20
>"GAMMA" =3D> ["0.0", 0, "the exponent of core distribution in
>reiser_fract_tree"],
>"SYNC" =3D> [off, 0, "using O_SYNC/fsync options to iozone"],
>"DD_MBCOUNT" =3D> [undef, 0, "size of largefile in megabytes"]
>=20
>=20
>
>
>
>
>
> =20
>