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Updated cooldown docs #2015

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Sep 13, 2019
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Updated cooldown docs #2015

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9 changes: 6 additions & 3 deletions Docs/reference/configuration.md
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Expand Up @@ -74,11 +74,14 @@ These are settings that are more likely to be altered.
| maxRequestIdSize | 100 | Request ids over this size will cause new requests to fail with 400 | int |

#### Cooldown ####

Cooldown is divided into 2 types, fast and slow. These are essentially two sets of differing thresholds for cooldown, meant to act quickly for cases where there are rapid failures, but still provide a notification/signal for cases where there are slow but repeated failures

| Parameter | Default | Description | Type |
|-----------|---------|-------------|------|
| cooldownAfterFailures | 3 | The number of sequential failures after which a request is placed into system cooldown (a delay is added to newly scheduled tasks) - set to 0 to disable cooldown | int |
| cooldownAfterPctOfInstancesFail | 1.0 | The percentage of instances which must fail at least cooldownAfterFailures times to cause the request to enter system cooldown | double |
| cooldownExpiresAfterMinutes | 15 | The window used to evaluate task failures. Tasks must fail at least cooldownAfterFailures times during this amount of time to enter system cooldown - set to 0 to disable cooldown | long |
| fastFailureCooldownCount/slowFailureCooldownCount | 3/5 | The number of sequential failures after which a request is placed into system cooldown | int |
| fastFailureCooldownMs/slowFailureCooldownMs | 30000/600000 | The time window during which `...CooldownCount` failures must occur | long |
| fastCooldownExpiresMinutesWithoutFailure/slowCooldownExpiresMinutesWithoutFailure | 5/5 | If there are no failures after this time period, the request will exit cooldown | int |
| cooldownMinScheduleSeconds | 120 | When a request enters cooldown, new tasks are delayed by at least this long | long |

#### Load Balancer API ####
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