def delayed_rebalance_worker(self, servers, num_nodes, delay_seconds, sc,
max_retries=PerfDefaults.reb_max_retries,
reb_mode=PerfDefaults.REB_MODE.IN):
time.sleep(delay_seconds)
gmt_now = time.strftime(PerfDefaults.strftime, time.gmtime())
self.log.info("rebalance started")
if not sc:
self.log.error("invalid stats collector")
return
status = False
retries = 0
while not status and retries <= max_retries:
start_time = time.time()
if reb_mode == PerfDefaults.REB_MODE.OUT:
status, nodes = RebalanceHelper.rebalance_out(servers, num_nodes)
elif reb_mode == PerfDefaults.REB_MODE.SWAP:
status, nodes = RebalanceHelper.rebalance_swap(servers, num_nodes)
else:
status, nodes = RebalanceHelper.rebalance_in(servers,
num_nodes - 1, do_check=(not retries))
end_time = time.time()
self.log.info("status: {0}, nodes: {1}, retries: {2}"
.format(status, nodes, retries))
if not status:
retries += 1
time.sleep(delay_seconds)
sc.reb_stats(start_time, end_time - start_time)
if self.parami("master_events", PerfDefaults.master_events):
filename = "master_events.log"
with open(filename, "w") as f:
f.write(self.rest.diag_master_events()[1])
def delayed_rebalance_worker(self, servers, num_nodes, delay_seconds, sc,
max_retries=PerfDefaults.reb_max_retries,
reb_mode=PerfDefaults.REB_MODE.IN):
time.sleep(delay_seconds)
gmt_now = time.strftime(PerfDefaults.strftime, time.gmtime())
self.log.info("rebalance started")
if not sc:
self.log.error("invalid stats collector")
return
status = False
retries = 0
while not status and retries <= max_retries:
start_time = time.time()
if reb_mode == PerfDefaults.REB_MODE.OUT:
status, nodes = RebalanceHelper.rebalance_out(servers, num_nodes)
elif reb_mode == PerfDefaults.REB_MODE.SWAP:
status, nodes = RebalanceHelper.rebalance_swap(servers, num_nodes)
else:
status, nodes = RebalanceHelper.rebalance_in(servers,
num_nodes - 1, do_check=(not retries))
end_time = time.time()
self.log.info("status: {0}, nodes: {1}, retries: {2}"
.format(status, nodes, retries))
if not status:
retries += 1
time.sleep(delay_seconds)
sc.reb_stats(start_time, end_time - start_time)
if self.parami("master_events", PerfDefaults.master_events):
filename = "master_events.log"
with open(filename, "w") as f:
f.write(self.rest.diag_master_events()[1])
def delayed_rebalance_worker(servers, num_nodes, delay_seconds, sc,
max_retries=PerfDefaults.reb_max_retries,
reb_mode=PerfDefaults.REB_MODE.IN):
time.sleep(delay_seconds)
gmt_now = time.strftime(PerfDefaults.strftime, time.gmtime())
print "[delayed_rebalance_worker] rebalance started: %s" % gmt_now
if not sc:
print "[delayed_rebalance_worker] invalid stats collector"
return
status = False
retries = 0
while not status and retries <= max_retries:
start_time = time.time()
if reb_mode == PerfDefaults.REB_MODE.OUT:
status, nodes = RebalanceHelper.rebalance_out(servers, num_nodes)
elif reb_mode == PerfDefaults.REB_MODE.SWAP:
status, nodes = RebalanceHelper.rebalance_swap(servers, num_nodes)
else:
status, nodes = RebalanceHelper.rebalance_in(servers,
num_nodes - 1, do_check=(not retries))
end_time = time.time()
print "[delayed_rebalance_worker] status: {0}, nodes: {1}, retries: {2}"\
.format(status, nodes, retries)
if not status:
retries += 1
time.sleep(delay_seconds)
sc.reb_stats(start_time, end_time - start_time)
def delayed_rebalance_worker(servers,
num_nodes,
delay_seconds,
sc,
max_retries=PerfDefaults.reb_max_retries,
reb_mode=PerfDefaults.REB_MODE.IN):
time.sleep(delay_seconds)
gmt_now = time.strftime(PerfDefaults.strftime, time.gmtime())
print "[delayed_rebalance_worker] rebalance started: %s" % gmt_now
if not sc:
print "[delayed_rebalance_worker] invalid stats collector"
return
status = False
retries = 0
while not status and retries <= max_retries:
start_time = time.time()
if reb_mode == PerfDefaults.REB_MODE.OUT:
status, nodes = RebalanceHelper.rebalance_out(
servers, num_nodes)
elif reb_mode == PerfDefaults.REB_MODE.SWAP:
status, nodes = RebalanceHelper.rebalance_swap(
servers, num_nodes)
else:
status, nodes = RebalanceHelper.rebalance_in(
servers, num_nodes - 1, do_check=(not retries))
end_time = time.time()
print "[delayed_rebalance_worker] status: {0}, nodes: {1}, retries: {2}"\
.format(status, nodes, retries)
if not status:
retries += 1
time.sleep(delay_seconds)
sc.reb_stats(start_time, end_time - start_time)
def rebalance_nodes(self, num_nodes):
"""Rebalance cluster(s) if more than 1 node provided"""
if len(self.input.servers) == 1 or num_nodes == 1:
self.log.warn("running on single node cluster")
return
else:
self.log.info("rebalancing nodes - num_nodes = {0}"
.format(num_nodes))
if self.input.clusters:
for cluster in self.input.clusters.values():
status, _ = RebalanceHelper.rebalance_in(cluster,
num_nodes - 1,
do_shuffle=False)
self.assertTrue(status)
else:
status, _ = RebalanceHelper.rebalance_in(self.input.servers,
num_nodes - 1,
do_shuffle=False)
self.assertTrue(status)
def rebalance_nodes(self, num_nodes):
"""Rebalance cluster(s) if more than 1 node provided"""
if len(self.input.servers) == 1 or num_nodes == 1:
print "WARNING: running on single node cluster"
return
else:
print "[perf.setUp] rebalancing nodes: num_nodes = {0}".\
format(num_nodes)
if self.input.clusters:
for cluster in self.input.clusters.values():
status, _ = RebalanceHelper.rebalance_in(cluster,
num_nodes - 1,
do_shuffle=False)
self.assertTrue(status)
else:
status, _ = RebalanceHelper.rebalance_in(self.input.servers,
num_nodes - 1,
do_shuffle=False)
self.assertTrue(status)
def rebalance_nodes(self, num_nodes):
"""Rebalance cluster(s) if more than 1 node provided"""
if len(self.input.servers) == 1 or num_nodes == 1:
print "WARNING: running on single node cluster"
return
else:
print "[perf.setUp] rebalancing nodes: num_nodes = {0}".\
format(num_nodes)
if self.input.clusters:
for cluster in self.input.clusters.values():
status, _ = RebalanceHelper.rebalance_in(cluster,
num_nodes - 1,
do_shuffle=False)
self.assertTrue(status)
else:
status, _ = RebalanceHelper.rebalance_in(self.input.servers,
num_nodes - 1,
do_shuffle=False)
self.assertTrue(status)
def rebalance_nodes(self, num_nodes, cluster=None):
"""Rebalance cluster(s) if more than 1 node provided"""
if len(self.input.servers) == 1 or num_nodes == 1:
self.log.warning("running on single node cluster")
return
else:
self.log.info("rebalancing nodes - num_nodes = {0}"
.format(num_nodes))
if not cluster:
cluster = self.input.servers
status, _ = RebalanceHelper.rebalance_in(cluster, num_nodes - 1,
do_shuffle=False)
self.assertTrue(status)
def test_alk_rebalance(self):
"""Alk's specification.
Cluster setup:
-- 4 nodes
-- 1 bucket
-- 8GB total RAM
-- 5GB bucket quota
-- no data replica
-- no index replica
-- no view compaction
All phases are enabled by default.
Load phase:
-- 10M items x 2KB average values size
-- no expiration
Index phase:
-- 1 design ddoc, 1 view
Access phase:
-- no front-end workload
-- rebalance out, from 4 to 3 nodes
-- stale=false query after rebalance
"""
# Legacy
self.spec(self.__str__().split(" ")[0])
# Disable stats
self.input.test_params['stats'] = 0
# View compaction setup
rc = RestConnection(self.input.servers[0])
vt = 30 if self.parami('view_compaction', 1) else 100
rc.set_auto_compaction(dbFragmentThresholdPercentage=30,
viewFragmntThresholdPercentage=vt)
# Consistent view setup
if self.parami('consistent_view', 1):
rc.set_reb_cons_view(disable=False)
else:
rc.set_reb_cons_view(disable=True)
# rebalance_moves_per_second setup
rmps = self.parami('rebalance_moves_per_node', 1)
cmd = 'ns_config:set(rebalance_moves_per_node, {0}).'.format(rmps)
rc.diag_eval(cmd)
# index_pausing_disabled setup
ipd = str(bool(self.parami('index_pausing_disabled', 0))).lower()
cmd = 'ns_config:set(index_pausing_disabled, {0}).'.format(ipd)
rc.diag_eval(cmd)
# rebalance_index_waiting_disabled setup
riwd = str(bool(self.parami('rebalance_index_waiting_disabled',
0))).lower()
cmd = 'ns_config:set(rebalance_index_waiting_disabled, {0}).'.format(
riwd)
rc.diag_eval(cmd)
# Customize number of design docs
view_gen = ViewGen()
views = self.param("views", None)
if views is not None:
views = [int(v) for v in eval(views)]
ddocs = view_gen.generate_ddocs(views)
elif self.parami('ddocs', 1) == 1:
ddocs = view_gen.generate_ddocs([1])
elif self.parami('ddocs', 1) == 8:
ddocs = view_gen.generate_ddocs([1, 1, 1, 1, 1, 1, 1, 1])
else:
sys.exit('Only 1 or 8 ddocs supported.')
# Load phase
if self.parami('load_phase', 0):
num_nodes = self.parami('num_nodes', PerfDefaults.num_nodes)
self.load_phase(num_nodes)
# Index phase
if self.parami('index_phase', 0):
self.index_phase(ddocs)
# Access phase
if self.parami('access_phase', 0):
if self.param('rebalance', 'out') == 'out':
RebalanceHelper.rebalance_out(servers=self.input.servers,
how_many=1,
monitor=True)
elif self.param('rebalance', 'out') == 'swap':
RebalanceHelper.rebalance_swap(servers=self.input.servers,
how_many=1,
monitor=True)
elif self.param('rebalance', 'out') == 'in':
RebalanceHelper.rebalance_in(servers=self.input.servers,
how_many=1,
monitor=True)
else:
sys.exit('Wrong "rebalance" parameter')
self.measure_indexing_time(rc, ddocs)