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fix: better retry timing (#1855) 

* fix retries

* increase default backoff to 1s

* remove comment

* fmt
This commit is contained in:
Noah Citron 2022-11-13 07:50:00 -05:00 committed by GitHub
parent cba6f071ae
commit 921dfa6b1c
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1 changed files with 2 additions and 8 deletions
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10
ethers-providers/src/transports/retry.rs
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@ -188,7 +188,7 @@ impl Default for RetryClientBuilder {
timeout_retries: 3, timeout_retries: 3,
// this should be enough to even out heavy loads // this should be enough to even out heavy loads
rate_limit_retries: 10, rate_limit_retries: 10,
initial_backoff: Duration::from_millis(100), initial_backoff: Duration::from_millis(1000),
// alchemy max cpus <https://github.com/alchemyplatform/alchemy-docs/blob/master/documentation/compute-units.md#rate-limits-cups> // alchemy max cpus <https://github.com/alchemyplatform/alchemy-docs/blob/master/documentation/compute-units.md#rate-limits-cups>
compute_units_per_second: 330, compute_units_per_second: 330,
} }
@ -289,13 +289,7 @@ where
// try to extract the requested backoff from the error or compute the next backoff // try to extract the requested backoff from the error or compute the next backoff
// based on retry count // based on retry count
let mut next_backoff = self.policy.backoff_hint(&err).unwrap_or_else(|| { let mut next_backoff = self.policy.backoff_hint(&err).unwrap_or_else(|| {
// using `retry_number` for creating back pressure because Duration::from_millis(self.initial_backoff.as_millis() as u64)
// of already queued requests
// this increases exponentially with retries and adds a delay based on how many
// requests are currently queued
Duration::from_millis(
self.initial_backoff.as_millis().pow(rate_limit_retry_number) as u64,
)
}); });
// requests are usually weighted and can vary from 10 CU to several 100 CU, cheaper // requests are usually weighted and can vary from 10 CU to several 100 CU, cheaper