| /* |
| * 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. |
| */ |
| |
| package org.apache.slider.api; |
| |
| /** |
| * These are the keys valid in resource options |
| * |
| /* |
| |
| Container failure window. |
| |
| The window is calculated in minutes as as (days * 24 *60 + hours* 24 + minutes) |
| |
| Every interval of this period after the AM is started/restarted becomes |
| the time period in which the CONTAINER_FAILURE_THRESHOLD value is calculated. |
| |
| After the window limit is reached, the failure counts are reset. This |
| is not a sliding window/moving average policy, simply a rule such as |
| "every six hours the failure count is reset" |
| |
| |
| <pre> |
| =========================================================================== |
| </pre> |
| |
| */ |
| public interface ResourceKeys { |
| |
| |
| /** |
| * #of instances of a component: {@value} |
| * |
| */ |
| String COMPONENT_INSTANCES = "yarn.component.instances"; |
| |
| /** |
| * Amount of memory to ask YARN for in MB. |
| * <i>Important:</i> this may be a hard limit on the |
| * amount of RAM that the service can use |
| * {@value} |
| */ |
| String YARN_MEMORY = "yarn.memory"; |
| |
| /** {@value} */ |
| int DEF_YARN_MEMORY = 256; |
| |
| /** |
| * Number of cores/virtual cores to ask YARN for |
| * {@value} |
| */ |
| String YARN_CORES = "yarn.vcores"; |
| |
| /** {@value} */ |
| int DEF_YARN_CORES = 1; |
| |
| |
| /** |
| * Label expression that this container must satisfy |
| * {@value} |
| */ |
| String YARN_LABEL_EXPRESSION = "yarn.label.expression"; |
| |
| /** default label expression: */ |
| String DEF_YARN_LABEL_EXPRESSION = null; |
| |
| |
| /** |
| * Constant to indicate that the requirements of a YARN resource limit |
| * (cores, memory, ...) should be set to the maximum allowed by |
| * the queue into which the YARN container requests are placed. |
| */ |
| String YARN_RESOURCE_MAX = "max"; |
| |
| /** |
| * Mandatory property for all roles |
| * 1. this must be defined. |
| * 2. this must be >= 1 |
| * 3. this must not match any other role priority in the cluster. |
| */ |
| String COMPONENT_PRIORITY = "yarn.role.priority"; |
| |
| /** |
| * placement policy |
| */ |
| String COMPONENT_PLACEMENT_POLICY = "yarn.component.placement.policy"; |
| |
| /** |
| * Maximum number of node failures that can be tolerated by a component on a specific node |
| */ |
| String NODE_FAILURE_THRESHOLD = |
| "yarn.node.failure.threshold"; |
| |
| /** |
| * maximum number of failed containers (in a single role) |
| * before the cluster is deemed to have failed {@value} |
| */ |
| String CONTAINER_FAILURE_THRESHOLD = |
| "yarn.container.failure.threshold"; |
| |
| /** |
| * prefix for the time of the container failure reset window. |
| * {@value} |
| */ |
| |
| String CONTAINER_FAILURE_WINDOW = |
| "yarn.container.failure.window"; |
| |
| |
| |
| int DEFAULT_CONTAINER_FAILURE_WINDOW_DAYS = 0; |
| int DEFAULT_CONTAINER_FAILURE_WINDOW_HOURS = 6; |
| int DEFAULT_CONTAINER_FAILURE_WINDOW_MINUTES = 0; |
| |
| |
| /** |
| * Default failure threshold: {@value} |
| */ |
| int DEFAULT_CONTAINER_FAILURE_THRESHOLD = 5; |
| |
| /** |
| * Default node failure threshold for a component instance: {@value} |
| * Should to be lower than default component failure threshold to allow |
| * the component to start elsewhere |
| */ |
| int DEFAULT_NODE_FAILURE_THRESHOLD = 3; |
| |
| /** |
| * Log aggregation include, exclude patterns |
| */ |
| String YARN_LOG_INCLUDE_PATTERNS = "yarn.log.include.patterns"; |
| String YARN_LOG_EXCLUDE_PATTERNS = "yarn.log.exclude.patterns"; |
| } |