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