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Sat, May 24, 16:12

ycsb
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#!/usr/bin/env python
import os
import sys
import subprocess
COMMANDS = {
"load" : {
"command" : "-load",
"description" : "Execute the load phase",
},
"run" : {
"command" : "-t",
"description" : "Execute the transaction phase",
},
}
DATABASES = {
"basic" : "com.yahoo.ycsb.BasicDB",
"cassandra-7" : "com.yahoo.ycsb.db.CassandraClient7",
"cassandra-8" : "com.yahoo.ycsb.db.CassandraClient8",
"cassandra-10" : "com.yahoo.ycsb.db.CassandraClient10",
"gemfire" : "com.yahoo.ycsb.db.GemFireClient",
"hbase" : "com.yahoo.ycsb.db.HBaseClient",
"infinispan" : "com.yahoo.ycsb.db.InfinispanClient",
"jdbc" : "com.yahoo.ycsb.db.JdbcDBClient",
"mapkeeper" : "com.yahoo.ycsb.db.MapKeeperClient",
"mongodb" : "com.yahoo.ycsb.db.MongoDbClient",
"redis" : "com.yahoo.ycsb.db.RedisClient",
"voldemort" : "com.yahoo.ycsb.db.VoldemortClient",
}
OPTIONS = {
"-p key=value" : "Override workload property",
"-s" : "Print status to stderr",
"-target n" : "Target ops/sec (default: unthrottled)",
"-threads n" : "Number of client threads (default: 1)",
}
def usage():
print "Usage: %s command database workload-file [options]" % sys.argv[0]
print "\nCommands:"
for command in sorted(COMMANDS.keys()):
print " {0:13} {1}".format(command, COMMANDS[command]["description"])
print "\nDatabases:"
for db in sorted(DATABASES.keys()):
print " %s" % db
print """\nWorkload Files:
There are various predefined workloads under workloads/ directory.
See https://github.com/brianfrankcooper/YCSB/wiki/Core-Properties
for the list of workload properties."""
print "\nOptions:"
for option in sorted(OPTIONS.keys()):
print " {0:13} {1}".format(option, OPTIONS[option])
sys.exit(1)
def find_jars(dir, database):
jars = []
for (dirpath, dirnames, filenames) in os.walk(dir):
if dirpath.endswith("conf"):
jars.append(dirpath)
for filename in filenames:
if filename.endswith(".jar") and \
filename.startswith("core") or \
filename.startswith(database.split("-")[0]):
jars.append(os.path.join(dirpath, filename))
return jars
def get_ycsb_home():
dir = os.path.abspath(os.path.dirname(sys.argv[0]))
while "CHANGELOG" not in os.listdir(dir):
dir = os.path.join(dir, os.path.pardir)
return os.path.abspath(dir)
if len(sys.argv) < 4:
usage()
if sys.argv[1] not in COMMANDS:
print "ERROR: Command '%s' not found" % sys.argv[1]
usage()
if sys.argv[2] not in DATABASES:
print "ERROR: Database '%s' not found" % sys.argv[2]
usage()
ycsb_home = get_ycsb_home()
command = COMMANDS[sys.argv[1]]["command"]
database = sys.argv[2]
db_classname = DATABASES[database]
workload = sys.argv[3]
options = sys.argv[4:]
ycsb_command = ["java", "-cp", ":".join(find_jars(ycsb_home, database)), \
"com.yahoo.ycsb.Client", command, "-db", db_classname, \
"-P", workload] + options
subprocess.call(ycsb_command)

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