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dist: allow more requests for i2 instances

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i2 instances has better performance than others, so allow more requests.
Fixes #921

Signed-off-by: Takuya ASADA <syuu@scylladb.com>
Message-Id: <1458251067-1533-1-git-send-email-syuu@scylladb.com>
(cherry picked from commit 769204d41e)
This commit is contained in:
Takuya ASADA
2016-03-18 06:44:27 +09:00
committed by Pekka Enberg
parent 3c40c1be71
commit 0396a94eaf
1 changed files with 4 additions and 0 deletions
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4
dist/common/scripts/scylla_io_setup vendored
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@@ -36,6 +36,7 @@ if [ `is_developer_mode` -eq 0 ]; then
CPUSET=`echo $SCYLLA_ARGS|grep cpuset|sed -e "s/^.*\(--cpuset\(\s\+\|=\)[0-9\-]*\).*$/\1/"`
NR_CPU=`cat /proc/cpuinfo |grep processor|wc -l`
NR_DISKS=`curl http://169.254.169.254/latest/meta-data/block-device-mapping/|grep ephemeral|wc -l`
TYPE=`curl http://169.254.169.254/latest/meta-data/instance-type|cut -d . -f 1`
if [ "$SMP" != "" ]; then
NR_CPU=$SMP
@@ -54,6 +55,9 @@ if [ `is_developer_mode` -eq 0 ]; then
fi
NR_REQS=$(($(($NR_REQS / $NR_IO_QUEUES)) * $NR_IO_QUEUES))
if [ "$TYPE" = "i2" ]; then
NR_REQS=$(($NR_REQS * 2))
fi
echo "SEASTAR_IO=\"--num-io-queues $NR_IO_QUEUES --max-io-requests $NR_REQS\"" > /etc/scylla.d/io.conf
else