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Diffstat (limited to 'container-search/src/main/resources/configdefinitions/search.config.rate-limiting.def')
| -rw-r--r-- | container-search/src/main/resources/configdefinitions/search.config.rate-limiting.def | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/container-search/src/main/resources/configdefinitions/search.config.rate-limiting.def b/container-search/src/main/resources/configdefinitions/search.config.rate-limiting.def new file mode 100644 index 00000000000..23235617f8c --- /dev/null +++ b/container-search/src/main/resources/configdefinitions/search.config.rate-limiting.def @@ -0,0 +1,19 @@ +# Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root. +# Configuration of the rate limiting algorithm +namespace=search.config + +# How much additional capacity to assign to a thread each time it has run out. +# A higher number means less thread contention and less accuracy +capacityIncrement double default=1000 + +# The max capacity which will ever (and initially) be available to requesting threads on one node +# A higher number means we'll be less sensitive to intermittent overlap +# A good number may be capacityIncrement * 10 +maxAvailableCapacity double default=10000 + +# The probability per request that we check for more quota when we have run out. +# A higher number means less probability of rejecting a request unnecessarily +# but also more thread contention. +# A good number may be 1 / (maxAvailableCapacity * average-cost) +recheckForCapacityProbability double default=0.001 + |