diff --git a/synapse/http/request_metrics.py b/synapse/http/request_metrics.py
index 5917c83958..dc06f6c443 100644
--- a/synapse/http/request_metrics.py
+++ b/synapse/http/request_metrics.py
@@ -16,137 +16,109 @@
import logging
-import synapse.metrics
+from prometheus_client.core import Counter, Histogram
+from synapse.metrics import LaterGauge
+
from synapse.util.logcontext import LoggingContext
logger = logging.getLogger(__name__)
-metrics = synapse.metrics.get_metrics_for("synapse.http.server")
# total number of responses served, split by method/servlet/tag
-response_count = metrics.register_counter(
- "response_count",
- labels=["method", "servlet", "tag"],
- alternative_names=(
- # the following are all deprecated aliases for the same metric
- metrics.name_prefix + x for x in (
- "_requests",
- "_response_time:count",
- "_response_ru_utime:count",
- "_response_ru_stime:count",
- "_response_db_txn_count:count",
- "_response_db_txn_duration:count",
- )
- )
+response_count = Counter(
+ "synapse_http_server_response_count", "", ["method", "servlet", "tag"]
)
-requests_counter = metrics.register_counter(
- "requests_received",
- labels=["method", "servlet", ],
+requests_counter = Counter(
+ "synapse_http_server_requests_received", "", ["method", "servlet"]
)
-outgoing_responses_counter = metrics.register_counter(
- "responses",
- labels=["method", "code"],
+outgoing_responses_counter = Counter(
+ "synapse_http_server_responses", "", ["method", "code"]
)
-response_timer = metrics.register_counter(
- "response_time_seconds",
- labels=["method", "servlet", "tag"],
- alternative_names=(
- metrics.name_prefix + "_response_time:total",
- ),
+response_timer = Histogram(
+ "synapse_http_server_response_time_seconds", "sec", ["method", "servlet", "tag"]
)
-response_ru_utime = metrics.register_counter(
- "response_ru_utime_seconds", labels=["method", "servlet", "tag"],
- alternative_names=(
- metrics.name_prefix + "_response_ru_utime:total",
- ),
+response_ru_utime = Counter(
+ "synapse_http_server_response_ru_utime_seconds", "sec", ["method", "servlet", "tag"]
)
-response_ru_stime = metrics.register_counter(
- "response_ru_stime_seconds", labels=["method", "servlet", "tag"],
- alternative_names=(
- metrics.name_prefix + "_response_ru_stime:total",
- ),
+response_ru_stime = Counter(
+ "synapse_http_server_response_ru_stime_seconds", "sec", ["method", "servlet", "tag"]
)
-response_db_txn_count = metrics.register_counter(
- "response_db_txn_count", labels=["method", "servlet", "tag"],
- alternative_names=(
- metrics.name_prefix + "_response_db_txn_count:total",
- ),
+response_db_txn_count = Counter(
+ "synapse_http_server_response_db_txn_count", "", ["method", "servlet", "tag"]
)
# seconds spent waiting for db txns, excluding scheduling time, when processing
# this request
-response_db_txn_duration = metrics.register_counter(
- "response_db_txn_duration_seconds", labels=["method", "servlet", "tag"],
- alternative_names=(
- metrics.name_prefix + "_response_db_txn_duration:total",
- ),
+response_db_txn_duration = Counter(
+ "synapse_http_server_response_db_txn_duration_seconds",
+ "",
+ ["method", "servlet", "tag"],
)
# seconds spent waiting for a db connection, when processing this request
-response_db_sched_duration = metrics.register_counter(
- "response_db_sched_duration_seconds", labels=["method", "servlet", "tag"]
+response_db_sched_duration = Counter(
+ "synapse_http_server_response_db_sched_duration_seconds",
+ "",
+ ["method", "servlet", "tag"],
)
# size in bytes of the response written
-response_size = metrics.register_counter(
- "response_size", labels=["method", "servlet", "tag"]
+response_size = Counter(
+ "synapse_http_server_response_size", "", ["method", "servlet", "tag"]
)
# In flight metrics are incremented while the requests are in flight, rather
# than when the response was written.
-in_flight_requests_ru_utime = metrics.register_counter(
- "in_flight_requests_ru_utime_seconds", labels=["method", "servlet"],
+in_flight_requests_ru_utime = Counter(
+ "synapse_http_server_in_flight_requests_ru_utime_seconds",
+ "",
+ ["method", "servlet"],
)
-in_flight_requests_ru_stime = metrics.register_counter(
- "in_flight_requests_ru_stime_seconds", labels=["method", "servlet"],
+in_flight_requests_ru_stime = Counter(
+ "synapse_http_server_in_flight_requests_ru_stime_seconds",
+ "",
+ ["method", "servlet"],
)
-in_flight_requests_db_txn_count = metrics.register_counter(
- "in_flight_requests_db_txn_count", labels=["method", "servlet"],
+in_flight_requests_db_txn_count = Counter(
+ "synapse_http_server_in_flight_requests_db_txn_count", "", ["method", "servlet"]
)
# seconds spent waiting for db txns, excluding scheduling time, when processing
# this request
-in_flight_requests_db_txn_duration = metrics.register_counter(
- "in_flight_requests_db_txn_duration_seconds", labels=["method", "servlet"],
+in_flight_requests_db_txn_duration = Counter(
+ "synapse_http_server_in_flight_requests_db_txn_duration_seconds",
+ "",
+ ["method", "servlet"],
)
# seconds spent waiting for a db connection, when processing this request
-in_flight_requests_db_sched_duration = metrics.register_counter(
- "in_flight_requests_db_sched_duration_seconds", labels=["method", "servlet"]
+in_flight_requests_db_sched_duration = Counter(
+ "synapse_http_server_in_flight_requests_db_sched_duration_seconds",
+ "",
+ ["method", "servlet"],
)
-
# The set of all in flight requests, set[RequestMetrics]
_in_flight_requests = set()
-def _collect_in_flight():
- """Called just before metrics are collected, so we use it to update all
- the in flight request metrics
- """
-
- for rm in _in_flight_requests:
- rm.update_metrics()
-
-
-metrics.register_collector(_collect_in_flight)
-
-
def _get_in_flight_counts():
"""Returns a count of all in flight requests by (method, server_name)
Returns:
dict[tuple[str, str], int]
"""
+ for rm in _in_flight_requests:
+ rm.update_metrics()
# Map from (method, name) -> int, the number of in flight requests of that
# type
@@ -158,16 +130,17 @@ def _get_in_flight_counts():
return counts
-metrics.register_callback(
- "in_flight_requests_count",
+LaterGauge(
+ "synapse_http_request_metrics_in_flight_requests_count",
+ "",
+ ["method", "servlet"],
_get_in_flight_counts,
- labels=["method", "servlet"]
)
class RequestMetrics(object):
- def start(self, time_msec, name, method):
- self.start = time_msec
+ def start(self, time_sec, name, method):
+ self.start = time_sec
self.start_context = LoggingContext.current_context()
self.name = name
self.method = method
@@ -176,7 +149,7 @@ class RequestMetrics(object):
_in_flight_requests.add(self)
- def stop(self, time_msec, request):
+ def stop(self, time_sec, request):
_in_flight_requests.discard(self)
context = LoggingContext.current_context()
@@ -192,34 +165,29 @@ class RequestMetrics(object):
)
return
- outgoing_responses_counter.inc(request.method, str(request.code))
+ outgoing_responses_counter.labels(request.method, str(request.code)).inc()
- response_count.inc(request.method, self.name, tag)
+ response_count.labels(request.method, self.name, tag).inc()
- response_timer.inc_by(
- time_msec - self.start, request.method,
- self.name, tag
+ response_timer.labels(request.method, self.name, tag).observe(
+ time_sec - self.start
)
ru_utime, ru_stime = context.get_resource_usage()
- response_ru_utime.inc_by(
- ru_utime, request.method, self.name, tag
- )
- response_ru_stime.inc_by(
- ru_stime, request.method, self.name, tag
- )
- response_db_txn_count.inc_by(
- context.db_txn_count, request.method, self.name, tag
+ response_ru_utime.labels(request.method, self.name, tag).inc(ru_utime)
+ response_ru_stime.labels(request.method, self.name, tag).inc(ru_stime)
+ response_db_txn_count.labels(request.method, self.name, tag).inc(
+ context.db_txn_count
)
- response_db_txn_duration.inc_by(
- context.db_txn_duration_ms / 1000., request.method, self.name, tag
+ response_db_txn_duration.labels(request.method, self.name, tag).inc(
+ context.db_txn_duration_sec
)
- response_db_sched_duration.inc_by(
- context.db_sched_duration_ms / 1000., request.method, self.name, tag
+ response_db_sched_duration.labels(request.method, self.name, tag).inc(
+ context.db_sched_duration_sec
)
- response_size.inc_by(request.sentLength, request.method, self.name, tag)
+ response_size.labels(request.method, self.name, tag).inc(request.sentLength)
# We always call this at the end to ensure that we update the metrics
# regardless of whether a call to /metrics while the request was in
@@ -229,27 +197,21 @@ class RequestMetrics(object):
def update_metrics(self):
"""Updates the in flight metrics with values from this request.
"""
-
diff = self._request_stats.update(self.start_context)
- in_flight_requests_ru_utime.inc_by(
- diff.ru_utime, self.method, self.name,
- )
-
- in_flight_requests_ru_stime.inc_by(
- diff.ru_stime, self.method, self.name,
- )
+ in_flight_requests_ru_utime.labels(self.method, self.name).inc(diff.ru_utime)
+ in_flight_requests_ru_stime.labels(self.method, self.name).inc(diff.ru_stime)
- in_flight_requests_db_txn_count.inc_by(
- diff.db_txn_count, self.method, self.name,
+ in_flight_requests_db_txn_count.labels(self.method, self.name).inc(
+ diff.db_txn_count
)
- in_flight_requests_db_txn_duration.inc_by(
- diff.db_txn_duration_ms / 1000., self.method, self.name,
+ in_flight_requests_db_txn_duration.labels(self.method, self.name).inc(
+ diff.db_txn_duration_sec
)
- in_flight_requests_db_sched_duration.inc_by(
- diff.db_sched_duration_ms / 1000., self.method, self.name,
+ in_flight_requests_db_sched_duration.labels(self.method, self.name).inc(
+ diff.db_sched_duration_sec
)
@@ -258,17 +220,21 @@ class _RequestStats(object):
"""
__slots__ = [
- "ru_utime", "ru_stime",
- "db_txn_count", "db_txn_duration_ms", "db_sched_duration_ms",
+ "ru_utime",
+ "ru_stime",
+ "db_txn_count",
+ "db_txn_duration_sec",
+ "db_sched_duration_sec",
]
- def __init__(self, ru_utime, ru_stime, db_txn_count,
- db_txn_duration_ms, db_sched_duration_ms):
+ def __init__(
+ self, ru_utime, ru_stime, db_txn_count, db_txn_duration_sec, db_sched_duration_sec
+ ):
self.ru_utime = ru_utime
self.ru_stime = ru_stime
self.db_txn_count = db_txn_count
- self.db_txn_duration_ms = db_txn_duration_ms
- self.db_sched_duration_ms = db_sched_duration_ms
+ self.db_txn_duration_sec = db_txn_duration_sec
+ self.db_sched_duration_sec = db_sched_duration_sec
@staticmethod
def from_context(context):
@@ -277,8 +243,8 @@ class _RequestStats(object):
return _RequestStats(
ru_utime, ru_stime,
context.db_txn_count,
- context.db_txn_duration_ms,
- context.db_sched_duration_ms,
+ context.db_txn_duration_sec,
+ context.db_sched_duration_sec,
)
def update(self, context):
@@ -294,14 +260,14 @@ class _RequestStats(object):
new.ru_utime - self.ru_utime,
new.ru_stime - self.ru_stime,
new.db_txn_count - self.db_txn_count,
- new.db_txn_duration_ms - self.db_txn_duration_ms,
- new.db_sched_duration_ms - self.db_sched_duration_ms,
+ new.db_txn_duration_sec - self.db_txn_duration_sec,
+ new.db_sched_duration_sec - self.db_sched_duration_sec,
)
self.ru_utime = new.ru_utime
self.ru_stime = new.ru_stime
self.db_txn_count = new.db_txn_count
- self.db_txn_duration_ms = new.db_txn_duration_ms
- self.db_sched_duration_ms = new.db_sched_duration_ms
+ self.db_txn_duration_sec = new.db_txn_duration_sec
+ self.db_sched_duration_sec = new.db_sched_duration_sec
return diff
|
