54 lines
1.8 KiB
Python
54 lines
1.8 KiB
Python
# Copyright (c) 2013 Rackspace Hosting, Inc.
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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
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# implied.
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#
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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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"""MongoDB storage driver configuration options."""
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from marconi.common import config
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# TODO(kgriffs): Expose documentation to oslo.config
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OPTIONS = {
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# Connection string
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'uri': None,
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# Database name. Will be postfixed with partition identifiers.
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'database': 'marconi',
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# Number of databases across which to partition message data,
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# in order to reduce writer lock %. DO NOT change this setting
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# after initial deployment. It MUST remain static. Also,
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# you should not need a large number of partitions to improve
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# performance, esp. if deploying MongoDB on SSD storage.
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'partitions': 2,
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# Maximum number of times to retry a failed operation. Currently
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# only used for retrying a message post.
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'max_attempts': 1000,
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# Maximum sleep interval between retries (actual sleep time
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# increases linearly according to number of attempts performed).
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'max_retry_sleep': 0.1,
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# Maximum jitter interval, to be added to the sleep interval, in
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# order to decrease probability that parallel requests will retry
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# at the same instant.
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'max_retry_jitter': 0.005,
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}
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CFG = config.namespace('queues:drivers:storage:mongodb').from_options(
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**OPTIONS
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)
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