def __init__(self):
cfg = Config(config)
init_sampler = cfg.sampler
channel = self.local_agent_sender
reporter = Reporter(channel=channel,
flush_interval=cfg.reporter_flush_interval)
remote_sampler = RemoteControlledSampler(
channel=channel,
service_name=cfg.service_name,
sampling_refresh_interval=cfg.sampling_refresh_interval,
init_sampler=init_sampler)
remote_tracer = Tracer(service_name=cfg.service_name,
reporter=reporter,
sampler=remote_sampler)
const_tracer = Tracer(service_name=cfg.service_name,
reporter=reporter,
sampler=ConstSampler(decision=True))
self._tracers = {
SAMPLER_TYPE_CONST: const_tracer,
SAMPLER_TYPE_REMOTE: remote_tracer
}
def test_100pct_sampling_250mcs(benchmark):
tracer = Tracer.default_tracer(channel=None,
service_name='benchmark',
reporter=NullReporter(),
sampler=ConstSampler(True))
# 250 micros for request execution
benchmark(_generate_spans, tracer, sleep=0.00025)
def __init__(self):
cfg = Config(config)
init_sampler = cfg.sampler
channel = self.local_agent_sender
sender = UDPSender(
io_loop=channel.io_loop,
host=os.getenv('AGENT_HOST', 'jaeger-agent'),
port=cfg.local_agent_reporting_port,
)
reporter = Reporter(sender=sender,
flush_interval=cfg.reporter_flush_interval)
remote_sampler = RemoteControlledSampler(
channel=channel,
service_name=cfg.service_name,
sampling_refresh_interval=cfg.sampling_refresh_interval,
init_sampler=init_sampler)
remote_tracer = Tracer(service_name=cfg.service_name,
reporter=reporter,
sampler=remote_sampler)
const_tracer = Tracer(service_name=cfg.service_name,
reporter=reporter,
sampler=ConstSampler(decision=True))
self._tracers = {
SAMPLER_TYPE_CONST: const_tracer,
SAMPLER_TYPE_REMOTE: remote_tracer
}
def test_all_not_batched(benchmark):
from tchannel.sync import TChannel
ch = TChannel(name='foo')
f = ch.advertise(routers=["127.0.0.1:21300", "127.0.0.1:21301"])
f.result()
tracer = Tracer.default_tracer(ch, service_name='benchmark', sampler=ConstSampler(True))
tracer.reporter.batch_size = 1
# 250 micros for request execution
benchmark(_generate_spans, tracer, sleep=0.00025)
def test_const_sampler():
sampler = ConstSampler(True)
assert sampler.is_sampled(1)
assert sampler.is_sampled(MAX_INT)
sampler = ConstSampler(False)
sampled, tags = sampler.is_sampled(1)
assert not sampled
sampled, tags = sampler.is_sampled(MAX_INT)
assert not sampled
assert tags == get_tags('const', False)
assert '%s' % sampler == 'ConstSampler(False)'
def test_sampler_equality():
const1 = ConstSampler(True)
const2 = ConstSampler(True)
const3 = ConstSampler(False)
assert const1 == const2
assert const1 != const3
prob1 = ProbabilisticSampler(rate=0.01)
prob2 = ProbabilisticSampler(rate=0.01)
prob3 = ProbabilisticSampler(rate=0.02)
assert prob1 == prob2
assert prob1 != prob3
assert const1 != prob1
rate1 = RateLimitingSampler(max_traces_per_second=0.01)
rate2 = RateLimitingSampler(max_traces_per_second=0.01)
rate3 = RateLimitingSampler(max_traces_per_second=0.02)
assert rate1 == rate2
assert rate1 != rate3
assert rate1 != const1
assert rate1 != prob1
def test_const_sampler():
sampler = ConstSampler(True)
sampled, _ = sampler.is_sampled(1)
assert sampled
sampled, _ = sampler.is_sampled(MAX_INT)
assert sampled
sampler = ConstSampler(False)
sampled, tags = sampler.is_sampled(1)
assert not sampled
sampled, tags = sampler.is_sampled(MAX_INT)
assert not sampled
assert tags == get_tags('const', False)
assert '%s' % sampler == 'ConstSampler(False)'
def test_100pct_sampling(benchmark):
tracer = Tracer.default_tracer(channel=None,
service_name='benchmark',
reporter=NullReporter(),
sampler=ConstSampler(True))
benchmark(_generate_spans, tracer)