68 lines
2.1 KiB
Python
68 lines
2.1 KiB
Python
|
#
|
||
|
|
# ratekeeper.py
|
||
|
|
#
|
||
|
|
# This source file is part of the FoundationDB open source project
|
||
|
|
#
|
||
|
|
# Copyright 2013-2020 Apple Inc. and the FoundationDB project authors
|
||
|
|
#
|
||
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
# you may not use this file except in compliance with the License.
|
||
|
|
# You may obtain a copy of the License at
|
||
|
|
#
|
||
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
#
|
||
|
|
# Unless required by applicable law or agreed to in writing, software
|
||
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
# See the License for the specific language governing permissions and
|
||
|
|
# limitations under the License.
|
||
|
|
#
|
||
|
|
|
||
|
|
import numpy
|
||
|
|
import rate_model
|
||
|
|
from priority import Priority
|
||
|
|
|
||
|
|
class RatekeeperModel:
|
||
|
|
def __init__(self, limit_models):
|
||
|
|
self.limit_models = limit_models
|
||
|
|
|
||
|
|
def get_limit(self, time, priority):
|
||
|
|
return self.limit_models[priority].get_rate(time)
|
||
|
|
|
||
|
|
predefined_ratekeeper = {}
|
||
|
|
|
||
|
|
predefined_ratekeeper['default200_batch100'] = RatekeeperModel(
|
||
|
|
{
|
||
|
|
Priority.SYSTEM: rate_model.UnlimitedRateModel(),
|
||
|
|
Priority.DEFAULT: rate_model.FixedRateModel(200),
|
||
|
|
Priority.BATCH: rate_model.FixedRateModel(100)
|
||
|
|
})
|
||
|
|
|
||
|
|
predefined_ratekeeper['default_sawtooth'] = RatekeeperModel(
|
||
|
|
{
|
||
|
|
Priority.SYSTEM: rate_model.UnlimitedRateModel(),
|
||
|
|
Priority.DEFAULT: rate_model.SawtoothRateModel(10, 200, 1),
|
||
|
|
Priority.BATCH: rate_model.FixedRateModel(0)
|
||
|
|
})
|
||
|
|
|
||
|
|
predefined_ratekeeper['default_uniform_random'] = RatekeeperModel(
|
||
|
|
{
|
||
|
|
Priority.SYSTEM: rate_model.UnlimitedRateModel(),
|
||
|
|
Priority.DEFAULT: rate_model.DistributionRateModel(lambda: numpy.random.uniform(10, 200), 1),
|
||
|
|
Priority.BATCH: rate_model.FixedRateModel(0)
|
||
|
|
})
|
||
|
|
|
||
|
|
predefined_ratekeeper['default_trickle'] = RatekeeperModel(
|
||
|
|
{
|
||
|
|
Priority.SYSTEM: rate_model.UnlimitedRateModel(),
|
||
|
|
Priority.DEFAULT: rate_model.FixedRateModel(3),
|
||
|
|
Priority.BATCH: rate_model.FixedRateModel(0)
|
||
|
|
})
|
||
|
|
|
||
|
|
predefined_ratekeeper['default1000'] = RatekeeperModel(
|
||
|
|
{
|
||
|
|
Priority.SYSTEM: rate_model.UnlimitedRateModel(),
|
||
|
|
Priority.DEFAULT: rate_model.FixedRateModel(1000),
|
||
|
|
Priority.BATCH: rate_model.FixedRateModel(500)
|
||
|
|
})
|