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mongolab/mongolab.sh
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#!/bin/sh | |
# Warning: Do not run on production server -- may kill your existing mongod | |
set -e | |
n_shards=8 | |
mongos_port=37017 | |
standalone_port=47017 | |
function on_error() { | |
echo "Cleaning up..." | |
set +e | |
killall -9 mongos | |
killall -9 mongod | |
rm -rf mongolab | |
} | |
trap 'on_error' ERR | |
mkdir mongolab | |
mkdir mongolab/config1 | |
mkdir mongolab/config2 | |
mkdir mongolab/config3 | |
echo "Starting config servers..." | |
mongod --configsvr --dbpath mongolab/config1 --logpath mongolab/config1/mongo.log --port 31001 -v --nojournal & | |
mongod --configsvr --dbpath mongolab/config2 --logpath mongolab/config2/mongo.log --port 31002 -v --nojournal & | |
mongod --configsvr --dbpath mongolab/config3 --logpath mongolab/config3/mongo.log --port 31003 -v --nojournal & | |
sleep 3 | |
echo "Starting mongos..." | |
mongos --configdb localhost:31001,localhost:31002,localhost:31003 --logpath mongolab/mongos.log --port $mongos_port & | |
sleep 3 | |
mkdir mongolab/db | |
mongod --dbpath mongolab/db --logpath mongolab/db/mongo.log --port $standalone_port -v --nojournal & | |
echo "Starting shards..." | |
for i in $(seq 1 $n_shards) | |
do | |
mkdir mongolab/sh$i | |
mongod --dbpath mongolab/sh$i --logpath mongolab/sh$i/mongo.log --port 3500$i -v --nojournal & | |
done | |
sleep 5 | |
echo "Adding shards..." | |
for i in $(seq 1 $n_shards) | |
do | |
mongo --host localhost --port $mongos_port --eval "sh.addShard('localhost:3500$i')" | |
done | |
mongo localhost:$mongos_port/shard_test --eval 'db.dropDatabase()' | |
mongo localhost:$mongos_port/shard_test --eval 'sh.enableSharding("shard_test")' | |
mongo localhost:$mongos_port/shard_test --eval "sh.shardCollection('shard_test.foos', {_id: 'hashed'})" | |
mongo localhost:$mongos_port/shard_test --eval "sh.shardCollection('shard_test.rnd_foos', {rnd: 1})" | |
increment=$(echo "scale = 4; 1 / ($n_shards + 1)" | bc) | |
for i in $(seq 1 $n_shards) | |
do | |
split=$(echo "scale = 4; $increment * $i" | bc) | |
mongo localhost:$mongos_port/admin --eval "db.runCommand({ split: 'shard_test.rnd_foos', middle: { rnd: $split } })" | |
done | |
mongo localhost:$mongos_port/shard_test --eval 'sh.status()' |