422 lines
12 KiB
Python
422 lines
12 KiB
Python
#
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# OtterTune - fabfile.py
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#
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# Copyright (c) 2017-18, Carnegie Mellon University Database Group
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#
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'''
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Created on Mar 23, 2018
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@author: bohan
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'''
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import sys
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import json
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import logging
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import time
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import os.path
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import re
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import glob
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from multiprocessing import Process
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from fabric.api import (env, local, task, lcd)
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from fabric.state import output as fabric_output
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LOG = logging.getLogger()
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LOG.setLevel(logging.DEBUG)
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Formatter = logging.Formatter( # pylint: disable=invalid-name
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"%(asctime)s [%(levelname)s] %(message)s")
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# print the log
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ConsoleHandler = logging.StreamHandler(sys.stdout) # pylint: disable=invalid-name
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ConsoleHandler.setFormatter(Formatter)
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LOG.addHandler(ConsoleHandler)
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# Fabric environment settings
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env.hosts = ['localhost']
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fabric_output.update({
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'running': True,
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'stdout': True,
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})
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# intervals of restoring the databse
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RELOAD_INTERVAL = 10
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# maximum disk usage
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MAX_DISK_USAGE = 90
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with open('driver_config.json', 'r') as f:
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CONF = json.load(f)
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@task
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def check_disk_usage():
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partition = CONF['database_disk']
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disk_use = 0
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cmd = "df -h {}".format(partition)
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out = local(cmd, capture=True).splitlines()[1]
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m = re.search('\d+(?=%)', out) # pylint: disable=anomalous-backslash-in-string
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if m:
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disk_use = int(m.group(0))
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LOG.info("Current Disk Usage: %s%s", disk_use, '%')
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return disk_use
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@task
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def check_memory_usage():
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cmd = 'free -m -h'
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local(cmd)
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@task
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def restart_database():
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if CONF['database_type'] == 'postgres':
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cmd = 'sudo service postgresql restart'
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elif CONF['database_type'] == 'oracle':
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cmd = 'sh oracleScripts/shutdownOracle.sh && sh oracleScripts/startupOracle.sh'
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else:
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raise Exception("Database Type {} Not Implemented !".format(CONF['database_type']))
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local(cmd)
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@task
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def drop_database():
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if CONF['database_type'] == 'postgres':
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cmd = "PGPASSWORD={} dropdb -e --if-exists {} -U {}".\
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format(CONF['password'], CONF['database_name'], CONF['username'])
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else:
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raise Exception("Database Type {} Not Implemented !".format(CONF['database_type']))
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local(cmd)
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@task
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def create_database():
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if CONF['database_type'] == 'postgres':
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cmd = "PGPASSWORD={} createdb -e {} -U {}".\
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format(CONF['password'], CONF['database_name'], CONF['username'])
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else:
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raise Exception("Database Type {} Not Implemented !".format(CONF['database_type']))
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local(cmd)
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@task
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def change_conf():
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next_conf = 'next_config'
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cmd = "sudo python3 ConfParser.py {} {} {}".\
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format(CONF['database_type'], next_conf, CONF['database_conf'])
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local(cmd)
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@task
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def load_oltpbench():
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cmd = "./oltpbenchmark -b {} -c {} --create=true --load=true".\
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format(CONF['oltpbench_workload'], CONF['oltpbench_config'])
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with lcd(CONF['oltpbench_home']): # pylint: disable=not-context-manager
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local(cmd)
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@task
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def run_oltpbench():
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cmd = "./oltpbenchmark -b {} -c {} --execute=true -s 5 -o outputfile".\
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format(CONF['oltpbench_workload'], CONF['oltpbench_config'])
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with lcd(CONF['oltpbench_home']): # pylint: disable=not-context-manager
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local(cmd)
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@task
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def run_oltpbench_bg():
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cmd = "./oltpbenchmark -b {} -c {} --execute=true -s 5 -o outputfile > {} 2>&1 &".\
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format(CONF['oltpbench_workload'], CONF['oltpbench_config'], CONF['oltpbench_log'])
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with lcd(CONF['oltpbench_home']): # pylint: disable=not-context-manager
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local(cmd)
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@task
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def run_controller():
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cmd = 'sudo gradle run -PappArgs="-c {} -d output/" --no-daemon > {}'.\
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format(CONF['controller_config'], CONF['controller_log'])
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with lcd("../controller"): # pylint: disable=not-context-manager
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local(cmd)
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@task
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def signal_controller():
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pid = int(open('../controller/pid.txt').read())
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cmd = 'sudo kill -2 {}'.format(pid)
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with lcd("../controller"): # pylint: disable=not-context-manager
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local(cmd)
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@task
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def save_dbms_result():
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t = int(time.time())
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files = ['knobs.json', 'metrics_after.json', 'metrics_before.json', 'summary.json']
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for f_ in files:
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f_prefix = f_.split('.')[0]
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cmd = 'cp ../controller/output/{} {}/{}__{}.json'.\
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format(f_, CONF['save_path'], t, f_prefix)
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local(cmd)
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@task
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def free_cache():
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cmd = 'sync; sudo bash -c "echo 1 > /proc/sys/vm/drop_caches"'
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local(cmd)
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@task
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def upload_result():
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cmd = 'python3 ../../server/website/script/upload/upload.py \
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../controller/output/ {} {}/new_result/'.format(CONF['upload_code'],
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CONF['upload_url'])
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local(cmd)
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@task
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def get_result():
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cmd = 'python3 ../../script/query_and_get.py {} {} 5'.\
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format(CONF['upload_url'], CONF['upload_code'])
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local(cmd)
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@task
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def add_udf():
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cmd = 'sudo python3 ./LatencyUDF.py ../controller/output/'
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local(cmd)
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@task
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def upload_batch():
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cmd = 'python3 ./upload_batch.py {} {} {}/new_result/'.format(CONF['save_path'],
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CONF['upload_code'],
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CONF['upload_url'])
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local(cmd)
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@task
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def dump_database():
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db_file_path = '{}/{}.dump'.format(CONF['database_save_path'], CONF['database_name'])
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if os.path.exists(db_file_path):
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LOG.info('%s already exists ! ', db_file_path)
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return False
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else:
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LOG.info('Dump database %s to %s', CONF['database_name'], db_file_path)
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# You must create a directory named dpdata through sqlplus in your Oracle database
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if CONF['database_type'] == 'oracle':
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cmd = 'expdp {}/{}@{} schemas={} dumpfile={}.dump DIRECTORY=dpdata'.format(
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'c##tpcc', 'oracle', 'orcldb', 'c##tpcc', 'orcldb')
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elif CONF['database_type'] == 'postgres':
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cmd = 'PGPASSWORD={} pg_dump -U {} -F c -d {} > {}'.format(CONF['password'],
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CONF['username'],
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CONF['database_name'],
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db_file_path)
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else:
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raise Exception("Database Type {} Not Implemented !".format(CONF['database_type']))
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local(cmd)
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return True
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@task
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def restore_database():
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if CONF['database_type'] == 'oracle':
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# You must create a directory named dpdata through sqlplus in your Oracle database
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# The following script assumes such directory exists.
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# You may want to modify the username, password, and dump file name in the script
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cmd = 'sh oracleScripts/restoreOracle.sh'
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elif CONF['database_type'] == 'postgres':
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db_file_path = '{}/{}.dump'.format(CONF['database_save_path'], CONF['database_name'])
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drop_database()
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create_database()
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cmd = 'PGPASSWORD={} pg_restore -U {} -n public -j 8 -F c -d {} {}'.\
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format(CONF['password'], CONF['username'], CONF['database_name'], db_file_path)
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else:
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raise Exception("Database Type {} Not Implemented !".format(CONF['database_type']))
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LOG.info('Start restoring database')
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local(cmd)
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LOG.info('Finish restoring database')
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def _ready_to_start_oltpbench():
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return (os.path.exists(CONF['controller_log']) and
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'Output the process pid to'
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in open(CONF['controller_log']).read())
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def _ready_to_start_controller():
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return (os.path.exists(CONF['oltpbench_log']) and
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'Warmup complete, starting measurements'
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in open(CONF['oltpbench_log']).read())
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def _ready_to_shut_down_controller():
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pid_file_path = '../controller/pid.txt'
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return (os.path.exists(pid_file_path) and os.path.exists(CONF['oltpbench_log']) and
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'Output throughput samples into file' in open(CONF['oltpbench_log']).read())
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def clean_logs():
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# remove oltpbench log
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cmd = 'rm -f {}'.format(CONF['oltpbench_log'])
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local(cmd)
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# remove controller log
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cmd = 'rm -f {}'.format(CONF['controller_log'])
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local(cmd)
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@task
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def lhs_samples(count=10):
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cmd = 'python3 lhs.py {} {} {}'.format(count, CONF['lhs_knob_path'], CONF['lhs_save_path'])
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local(cmd)
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@task
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def loop():
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# free cache
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free_cache()
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# remove oltpbench log and controller log
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clean_logs()
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# restart database
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restart_database()
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# check disk usage
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if check_disk_usage() > MAX_DISK_USAGE:
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LOG.WARN('Exceeds max disk usage %s', MAX_DISK_USAGE)
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# run controller from another process
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p = Process(target=run_controller, args=())
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p.start()
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LOG.info('Run the controller')
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# run oltpbench as a background job
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while not _ready_to_start_oltpbench():
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pass
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run_oltpbench_bg()
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LOG.info('Run OLTP-Bench')
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# the controller starts the first collection
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while not _ready_to_start_controller():
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pass
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signal_controller()
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LOG.info('Start the first collection')
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# stop the experiment
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while not _ready_to_shut_down_controller():
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pass
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signal_controller()
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LOG.info('Start the second collection, shut down the controller')
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p.join()
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# add user defined target objective
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# add_udf()
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# save result
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save_dbms_result()
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# upload result
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upload_result()
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# get result
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get_result()
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# change config
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change_conf()
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@task
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def run_lhs():
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datadir = CONF['lhs_save_path']
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samples = glob.glob(os.path.join(datadir, 'config_*'))
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# dump database if it's not done before.
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dump = dump_database()
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for i, sample in enumerate(samples):
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# reload database periodically
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if RELOAD_INTERVAL > 0:
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if i % RELOAD_INTERVAL == 0:
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if i == 0 and dump is False:
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restore_database()
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elif i > 0:
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restore_database()
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# free cache
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free_cache()
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LOG.info('\n\n Start %s-th sample %s \n\n', i, sample)
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# check memory usage
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# check_memory_usage()
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# check disk usage
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if check_disk_usage() > MAX_DISK_USAGE:
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LOG.WARN('Exceeds max disk usage %s', MAX_DISK_USAGE)
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# copy lhs-sampled config to the to-be-used config
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cmd = 'cp {} next_config'.format(sample)
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local(cmd)
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# remove oltpbench log and controller log
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clean_logs()
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# change config
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change_conf()
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# restart database
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restart_database()
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if CONF.get('oracle_awr_enabled', False):
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# create snapshot for oracle AWR report
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if CONF['database_type'] == 'oracle':
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local('sh snapshotOracle.sh')
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# run controller from another process
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p = Process(target=run_controller, args=())
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p.start()
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# run oltpbench as a background job
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while not _ready_to_start_oltpbench():
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pass
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run_oltpbench_bg()
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LOG.info('Run OLTP-Bench')
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while not _ready_to_start_controller():
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pass
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signal_controller()
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LOG.info('Start the first collection')
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while not _ready_to_shut_down_controller():
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pass
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# stop the experiment
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signal_controller()
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LOG.info('Start the second collection, shut down the controller')
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p.join()
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# save result
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save_dbms_result()
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# upload result
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upload_result()
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if CONF.get('oracle_awr_enabled', False):
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# create oracle AWR report for performance analysis
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if CONF['database_type'] == 'oracle':
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local('sh oracleScripts/snapshotOracle.sh && sh oracleScripts/awrOracle.sh')
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@task
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def run_loops(max_iter=1):
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# dump database if it's not done before.
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dump = dump_database()
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for i in range(int(max_iter)):
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if RELOAD_INTERVAL > 0:
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if i % RELOAD_INTERVAL == 0:
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if i == 0 and dump is False:
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restore_database()
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elif i > 0:
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restore_database()
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LOG.info('The %s-th Loop Starts / Total Loops %s', i + 1, max_iter)
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loop()
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LOG.info('The %s-th Loop Ends / Total Loops %s', i + 1, max_iter)
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