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Add custom buckets setting for size histograms #342

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Add custom buckets setting for size histograms #342

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10 changes: 8 additions & 2 deletions django_prometheus/middleware.py
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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,8 @@
float("inf"),
)

DEFAULT_BYTES_BUCKETS = PowersOf(2, 30)


class Metrics:
_instance = None
Expand Down Expand Up @@ -121,7 +123,9 @@ def register(self):
Histogram,
"django_http_requests_body_total_bytes",
"Histogram of requests by body size.",
buckets=PowersOf(2, 30),
buckets=getattr(
settings, "PROMETHEUS_BYTES_BUCKETS", DEFAULT_BYTES_BUCKETS
),
namespace=NAMESPACE,
)
# Set in process_template_response
Expand Down Expand Up @@ -151,7 +155,9 @@ def register(self):
Histogram,
"django_http_responses_body_total_bytes",
"Histogram of responses by body size.",
buckets=PowersOf(2, 30),
buckets=getattr(
settings, "PROMETHEUS_BYTES_BUCKETS", DEFAULT_BYTES_BUCKETS
),
namespace=NAMESPACE,
)
self.responses_by_charset = self.register_metric(
Expand Down