From: Michael Vrable Date: Mon, 26 Sep 2011 08:23:16 +0000 (-0700) Subject: Merge ssh://vrable1.sysnet.ucsd.edu/scratch/bluesky X-Git-Url: http://git.vrable.net/?p=bluesky.git;a=commitdiff_plain;h=f25981daece838a116a21ba8a7dc89582f1641d5;hp=7c753dc524614a26784edd7b00fc8fcbe9768d74 Merge ssh://vrable1.sysnet.ucsd.edu/scratch/bluesky --- diff --git a/cleaner/cleanbench.sh b/cleaner/cleanbench.sh new file mode 100755 index 0000000..2d0bf1d --- /dev/null +++ b/cleaner/cleanbench.sh @@ -0,0 +1,22 @@ +#!/bin/bash +# +# Simple script to perform various random writes to files in a directory to +# create a workload for the cleaner. + +NUM_FILES=8 +NUM_BLOCKS=16 +BLOCKSIZE=512K + +NUM_WRITES=128 + +for n in $(seq 0 $(($NUM_FILES - 1))); do + [ -f file-$n ] || dd if=/dev/zero of=file-$n bs=$BLOCKSIZE count=$NUM_BLOCKS +done + +for i in $(seq $NUM_WRITES); do + f=$(($RANDOM % $NUM_FILES)) + b=$(($RANDOM % $NUM_BLOCKS)) + echo "Write $i: file $f block $b" + dd if=/dev/zero of=file-$f bs=$BLOCKSIZE count=1 seek=$b conv=notrunc + sleep 2 +done diff --git a/microbench/gb-write.sh b/microbench/gb-write.sh new file mode 100755 index 0000000..33bdca2 --- /dev/null +++ b/microbench/gb-write.sh @@ -0,0 +1,7 @@ +#!/bin/bash + +for i in $(seq $1); do + for j in $(seq 8); do + dd if=/dev/zero of=block-$i-$j bs=1M count=128 conv=fsync + done +done