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https://github.com/scylladb/scylladb.git
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7f2df8f86e
To reduce duplicated code and simplified scripts introduce scylla_lib.sh for shellscripts which provides functions to classify distributions, and load all sysconfig files. This also fixes script bugs to misdetect Debian and RHEL. Signed-off-by: Takuya ASADA <syuu@scylladb.com> Message-Id: <1480667672-9453-2-git-send-email-syuu@scylladb.com>
82 lines
2.6 KiB
Bash
Executable File
82 lines
2.6 KiB
Bash
Executable File
#!/bin/bash
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. /usr/lib/scylla/scylla_lib.sh
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print_usage() {
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echo "scylla_io_setup --ami"
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echo " --ami setup AMI instance"
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exit 1
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}
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AMI_OPT=0
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while [ $# -gt 0 ]; do
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case "$1" in
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"--ami")
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AMI_OPT=1
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shift 1
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;;
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*)
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print_usage
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;;
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esac
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done
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is_developer_mode() {
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cat /etc/scylla.d/dev-mode.conf|egrep -c "\-\-developer-mode(\s+|=)(1|true)"
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}
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output_to_user()
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{
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echo "$1"
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logger -p user.err "$1"
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}
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if [ `is_developer_mode` -eq 0 ]; then
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SMP=`echo $CPUSET|grep smp|sed -e "s/^.*smp\(\s\+\|=\)\([^ ]*\).*$/\2/"`
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CPUSET=`echo $CPUSET|grep cpuset|sed -e "s/^.*\(--cpuset\(\s\+\|=\)[^ ]*\).*$/\1/"`
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if [ $AMI_OPT -eq 1 ]; then
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NR_CPU=`cat /proc/cpuinfo |grep processor|wc -l`
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NR_DISKS=`lsblk --list --nodeps --noheadings | grep -v xvda | grep xvd | wc -l`
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TYPE=`curl http://169.254.169.254/latest/meta-data/instance-type|cut -d . -f 1`
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if [ "$SMP" != "" ]; then
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NR_CPU=$SMP
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fi
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NR_SHARDS=$NR_CPU
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if [ $NR_CPU -ge 8 ] && [ "$SET_NIC" = "no" ]; then
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NR_SHARDS=$((NR_CPU - 1))
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fi
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if [ $NR_DISKS -lt 2 ]; then NR_DISKS=2; fi
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NR_REQS=$((32 * $NR_DISKS / 2))
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NR_IO_QUEUES=$NR_SHARDS
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if [ $(($NR_REQS/$NR_IO_QUEUES)) -lt 4 ]; then
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NR_IO_QUEUES=$(($NR_REQS / 4))
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fi
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NR_IO_QUEUES=$((NR_IO_QUEUES>NR_SHARDS?NR_SHARDS:NR_IO_QUEUES))
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NR_REQS=$(($(($NR_REQS / $NR_IO_QUEUES)) * $NR_IO_QUEUES))
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if [ "$TYPE" = "i2" ]; then
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NR_REQS=$(($NR_REQS * 2))
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fi
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echo "SEASTAR_IO=\"--num-io-queues $NR_IO_QUEUES --max-io-requests $NR_REQS\"" > /etc/scylla.d/io.conf
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else
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DATA_DIR=`/usr/lib/scylla/scylla_config_get.py --config $SCYLLA_CONF/scylla.yaml --get data_file_directories|head -n1`
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IOTUNE_ARGS="$CPUSET"
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if [ "$SMP" != "" ]; then
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IOTUNE_ARGS="$IOTUNE_ARGS --smp $SMP"
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fi
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iotune --evaluation-directory $DATA_DIR --format envfile --options-file /etc/scylla.d/io.conf $IOTUNE_ARGS
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if [ $? -ne 0 ]; then
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output_to_user "/var/lib/scylla did not pass validation tests, it may not be on XFS and/or has limited disk space."
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output_to_user "This is a non-supported setup, and performance is expected to be very bad."
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output_to_user "For better performance, placing your data on XFS-formatted directories is required."
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output_to_user "To override this error, enable developer mode as follow:"
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output_to_user " sudo /usr/lib/scylla/scylla_dev_mode_setup --developer-mode 1"
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fi
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fi
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fi
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