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feat: MIN_REQUESTS_PER_SECOND env var #345

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merged 2 commits into from
Dec 21, 2024
Merged

feat: MIN_REQUESTS_PER_SECOND env var #345

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ec2d1e7
feat: MIN_REQUESTS_PER_SECOND env var
BobTheBuidler Dec 21, 2024
78da7ca
Update ENVIRONMENT_VARIABLES.py
BobTheBuidler Dec 21, 2024
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2 changes: 2 additions & 0 deletions dank_mids/ENVIRONMENT_VARIABLES.py
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Original file line number Diff line number Diff line change
Expand Up @@ -37,6 +37,8 @@
MAX_JSONRPC_BATCH_SIZE = _envs.create_env("MAX_JSONRPC_BATCH_SIZE", int, default=500)
# Maximum amount of requests per second
REQUESTS_PER_SECOND = _envs.create_env("REQUESTS_PER_SECOND", int, default=50)
# Minimum amount of requests per second after rate limit reduction
MIN_REQUESTS_PER_SECOND = _envs.create_env("MIN_REQUESTS_PER_SECOND", int, default=10)

# Enable Demo Mode?
demo_mode = _envs._deprecated_format.create_env("DEMO_MODE", bool, default=False, verbose=False)
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19 changes: 10 additions & 9 deletions dank_mids/helpers/_session.py
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Expand Up @@ -227,15 +227,16 @@ async def handle_too_many_requests(self, endpoint: str, error: ClientResponseErr
if (now := time()) > getattr(limiter, "_last_updated_at", 0) + 10:
current_rate = limiter._rate_per_sec
new_rate = current_rate * 0.97
limiter.time_period /= 0.97
limiter._rate_per_sec = new_rate
limiter._last_updated_at = now
_logger_info(
"reduced requests per second for %s from %s to %s",
endpoint,
current_rate,
new_rate,
)
if new_rate >= ENVS.MIN_REQUESTS_PER_SECOND:
limiter.time_period /= 0.97
limiter._rate_per_sec = new_rate
limiter._last_updated_at = now
_logger_info(
"reduced requests per second for %s from %s to %s",
endpoint,
current_rate,
new_rate,
)

now = time()
self._last_rate_limited_at = now
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