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- # Copyright 2016 OpenMarket Ltd
- #
- # 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 logging
- import resource
- logger = logging.getLogger("synapse.app.homeserver")
- def change_resource_limit(soft_file_no: int) -> None:
- try:
- soft, hard = resource.getrlimit(resource.RLIMIT_NOFILE)
- if not soft_file_no:
- soft_file_no = hard
- resource.setrlimit(resource.RLIMIT_NOFILE, (soft_file_no, hard))
- logger.info("Set file limit to: %d", soft_file_no)
- resource.setrlimit(
- resource.RLIMIT_CORE, (resource.RLIM_INFINITY, resource.RLIM_INFINITY)
- )
- except (ValueError, resource.error) as e:
- logger.warning("Failed to set file or core limit: %s", e)
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