| #!/usr/bin/env python |
| # |
| # Copyright 2007 Google Inc. |
| # |
| # 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. |
| # |
| """Parameters to control Mapreduce.""" |
| |
| |
| __all__ = [] |
| |
| DEFAULT_SHARD_RETRY_LIMIT = 3 |
| DEFAULT_QUEUE_NAME = "default" |
| DEFAULT_SHARD_COUNT = 8 |
| |
| |
| |
| |
| |
| _RETRY_SLICE_ERROR_MAX_RETRIES = 10 |
| |
| |
| _MAX_TASK_RETRIES = 30 |
| |
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| |
| |
| _SLICE_DURATION_SEC = 15 |
| |
| |
| _LEASE_GRACE_PERIOD = 1 |
| |
| |
| _REQUEST_EVENTUAL_TIMEOUT = 10 * 60 + 30 |
| |
| |
| _CONTROLLER_PERIOD_SEC = 2 |
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| |
| |
| _DEFAULT_PROCESSING_RATE_PER_SEC = 1000000 |
| |
| |
| _DEFAULT_BASE_PATH = "/_ah/mapreduce" |
| _DEFAULT_PIPELINE_BASE_PATH = _DEFAULT_BASE_PATH + "/pipeline" |
