Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

ref(metrics): Add pause/resume counters [INC-626] #338

Merged
merged 2 commits into from
Feb 9, 2024
Merged

ref(metrics): Add pause/resume counters [INC-626] #338

Show file tree
Hide file tree
Changes from 1 commit
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
91813a2
ref(metrics): Add pause/resume counters [INC-626]
untitaker Feb 8, 2024
cb25ed1
add to test
untitaker Feb 8, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 4 additions & 0 deletions arroyo/processing/processor.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -81,6 +81,8 @@ class InvalidStateError(RuntimeError):
ConsumerCounter = Literal[
"arroyo.consumer.run.count",
"arroyo.consumer.invalid_message.count",
"arroyo.consumer.pause",
"arroyo.consumer.resume",
]


Expand Down Expand Up @@ -421,6 +423,7 @@ def _run_once(self) -> None:
elif not self.__is_paused and (
time.time() - self.__backpressure_timestamp > 1
):
self.__metrics_buffer.incr_counter("arroyo.consumer.pause", 1)
logger.debug(
"Caught %r while submitting %r, pausing consumer...",
e,
Expand All @@ -438,6 +441,7 @@ def _run_once(self) -> None:
else:
# Resume if we are currently in a paused state
if self.__is_paused:
self.__metrics_buffer.incr_counter("arroyo.consumer.resume", 1)
self.__consumer.resume([*self.__consumer.tell().keys()])
self.__is_paused = False

Expand Down
8 changes: 8 additions & 0 deletions arroyo/utils/metric_defs.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -84,6 +84,14 @@
# Time (unitless) spent in shutting down the consumer. This metric's
# Consumer latency in seconds. Recorded by the commit offsets strategy.
"arroyo.consumer.latency",
# Counter metric for when the underlying rdkafka consumer is being paused.
#
# This flushes internal prefetch buffers.
"arroyo.consumer.pause",
# Counter metric for when the underlying rdkafka consumer is being resumed.
#
# This might cause increased network usage as messages are being re-fetched.
"arroyo.consumer.resume",
# Queue size of background queue that librdkafka uses to prefetch messages.
"arroyo.consumer.librdkafka.total_queue_size",
# Counter metric to measure how often the healthcheck file has been touched.
Expand Down
Loading