benchmark.sh

#!/bin/bash

function run {
    NAME=$1
    BENCHMARK=$2
    RECORDS=$3
    VALUE_SIZE=$4
    CACHE_SIZE=$5
    REUSE_DB=$6
    BENCHMARK_NAME=${NAME}_${BENCHMARK}
    DSTAT_PID=
    export TEST_TMPDIR=/mnt

    mkdir results
    rm -rf results/${BENCHMARK_NAME}.csv
    rm -rf /mnt/db*
    sudo echo never > /sys/kernel/mm/transparent_hugepage/enabled

    dstat -tcmrd --disk-util -ny --output results/${BENCHMARK_NAME}.csv > /dev/null &
    DSTAT_PID=$!

    ./db_bench_${NAME} --stats_interval=1000 --num=$RECORDS --cache_size=$CACHE_SIZE --value_size=$VALUE_SIZE --benchmarks=$BENCHMARK --use_existing_db=$REUSE_DB > results/${BENCHMARK_NAME}.log 2>&1
    sed -i.bak -e 's/^.*thread //' -e 's/:.*and (/^\t/' -e 's/,[0-9].*,/^\t/' -e 's/) sec.*$//' results/${BENCHMARK_NAME}.log
    START=4
    LINES=`sed -n '$=' results/${BENCHMARK_NAME}.log`
    LINES=$(($LINES-10))
    echo $LINES

    `kill -9 $DSTAT_PID`
}

run leveldb fillrandsync 7500000 100 12344896000 0