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healthmgr.yaml
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healthmgr.yaml
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# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you 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.
# Topology health manager mode:
# disabled = do not launch the health manager
# cluster = launch the health manager on container-0
heron.topology.healthmgr.mode: cluster
# Default class and url for providing metrics
heron.healthmgr.metricsource.type: org.apache.heron.healthmgr.sensors.MetricsCacheMetricsProvider
heron.healthmgr.metricsource.url: http://localhost:8888
# Enable MetricsCache if MetricsCache is chosen as metrics provider
# disabled = do not launch the metricscache manager
# cluster = launch the metricscache manager on container-0
heron.topology.metricscachemgr.mode: cluster
## list of policies to be executed for self regulation
heron.class.health.policies:
# - dynamic-resource-allocation
- auto-restart-backpressure-container
## configuration specific to individual policies listed above
#dynamic-resource-allocation:
# health.policy.mode: deactivated
# health.policy.class: org.apache.heron.healthmgr.policy.DynamicResourceAllocationPolicy
# health.policy.interval.ms: 120000
# BackPressureDetector.noiseFilterMillis: 20
# GrowingWaitQueueDetector.limit: 5
auto-restart-backpressure-container:
# policy toggle value:
# deactivated = freeze this policy
# activated = turn on this policy
health.policy.mode: deactivated
health.policy.class: org.apache.heron.healthmgr.policy.AutoRestartBackpressureContainerPolicy
health.policy.interval.ms: 20000
BackPressureDetector.noiseFilterMillis: 20