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set knobs dynamically

This commit is contained in:
bohanjason 2020-05-30 03:49:54 -04:00 committed by Bohan Zhang
parent 915fca2089
commit a003891bef
1 changed files with 9 additions and 2 deletions
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11
client/driver/fabfile.py vendored
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@ -801,16 +801,19 @@ def set_dynamic_knobs(recommendation, context):
LOG.info('Start setting knobs dynamically.') LOG.info('Start setting knobs dynamically.')
with hide('everything'), settings(warn_only=True): # pylint: disable=not-context-manager with hide('everything'), settings(warn_only=True): # pylint: disable=not-context-manager
for knob, value in recommendation.items(): for knob, value in recommendation.items():
if value is None:
LOG.warning('Cannot set knob %s dynamically, skip this.', knob)
continue
mode = context.get(knob, UNKNOWN) mode = context.get(knob, UNKNOWN)
if mode == DYNAMIC: if mode == DYNAMIC:
res = run(cmd_fmt(dconf.DB_USER, dconf.DB_PASSWORD, knob, value)) res = run(cmd_fmt(dconf.DB_USER, dconf.DB_PASSWORD, knob, value))
elif mode == RESTART: elif mode == RESTART:
LOG.error('Knob %s cannot be set dynamically, restarting database is required, ' LOG.error('Knob %s cannot be set dynamically, restarting database is required, '
'ignore this knob.', knob) 'skip this knob.', knob)
continue continue
elif mode == UNKNOWN: elif mode == UNKNOWN:
LOG.warning('It is unclear whether knob %s can be set dynamically or not, ' LOG.warning('It is unclear whether knob %s can be set dynamically or not, '
'set it anyway', knob) 'still set it to value %s', knob, value)
res = run(cmd_fmt(dconf.DB_USER, dconf.DB_PASSWORD, knob, value)) res = run(cmd_fmt(dconf.DB_USER, dconf.DB_PASSWORD, knob, value))
if res.failed: if res.failed:
@ -873,6 +876,10 @@ def monitor(max_iter=1):
@task @task
def monitor_tune(max_iter=1): def monitor_tune(max_iter=1):
# Monitor the database, with tuning. OLTPBench is also disabled # Monitor the database, with tuning. OLTPBench is also disabled
# Set base config
set_dynamic_knobs(dconf.BASE_DB_CONF, {})
for i in range(int(max_iter)): for i in range(int(max_iter)):
LOG.info('The %s-th Monitor Loop (with Tuning) Starts / Total Loops %s', i + 1, max_iter) LOG.info('The %s-th Monitor Loop (with Tuning) Starts / Total Loops %s', i + 1, max_iter)
clean_controller_results() clean_controller_results()