[performance] remove throttling timers (#1466)

* remove throttling timers, support setting retry-after, use retry-after in transport

* remove unused variables

* add throttling-retry-after to cmd flags

* update envparsing to include new throttling-retry-after

* update example config to include retry-after documentation

* also support retry-after formatted as date-time, ensure max backoff time

---------

Signed-off-by: kim <grufwub@gmail.com>
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kim 2023-02-10 20:16:01 +00:00 committed by GitHub
commit 70739d32cc
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8 changed files with 98 additions and 62 deletions

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@ -133,9 +133,10 @@ type Configuration struct {
SyslogProtocol string `name:"syslog-protocol" usage:"Protocol to use when directing logs to syslog. Leave empty to connect to local syslog."`
SyslogAddress string `name:"syslog-address" usage:"Address:port to send syslog logs to. Leave empty to connect to local syslog."`
AdvancedCookiesSamesite string `name:"advanced-cookies-samesite" usage:"'strict' or 'lax', see https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie/SameSite"`
AdvancedRateLimitRequests int `name:"advanced-rate-limit-requests" usage:"Amount of HTTP requests to permit within a 5 minute window. 0 or less turns rate limiting off."`
AdvancedThrottlingMultiplier int `name:"advanced-throttling-multiplier" usage:"Multiplier to use per cpu for http request throttling. 0 or less turns throttling off."`
AdvancedCookiesSamesite string `name:"advanced-cookies-samesite" usage:"'strict' or 'lax', see https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie/SameSite"`
AdvancedRateLimitRequests int `name:"advanced-rate-limit-requests" usage:"Amount of HTTP requests to permit within a 5 minute window. 0 or less turns rate limiting off."`
AdvancedThrottlingMultiplier int `name:"advanced-throttling-multiplier" usage:"Multiplier to use per cpu for http request throttling. 0 or less turns throttling off."`
AdvancedThrottlingRetryAfter time.Duration `name:"advanced-throttling-retry-after" usage:"Retry-After duration response to send for throttled requests."`
// Cache configuration vars.
Cache CacheConfiguration `name:"cache"`