sample-yarn-site.md

Sample: yarn-site.xml

The following is a sample yarn-site.xml file.

<?xml version="1.0" encoding="UTF-8"?>
<configuration>

<!-- Site-specific YARN configuration properties -->
   <property>
        <name>yarn.nodemanager.aux-services</name>
        <value>mapreduce_shuffle,myriad_executor</value>
        <!-- If using MapR distro, please use the following value:
        <value>mapreduce_shuffle,mapr_direct_shuffle,myriad_executor</value> -->
    </property>
    <property>
        <name>yarn.nodemanager.aux-services.mapreduce_shuffle.class</name>
        <value>org.apache.hadoop.mapred.ShuffleHandler</value>
    </property>
    <property>
        <name>yarn.nodemanager.aux-services.myriad_executor.class</name>
        <value>org.apache.myriad.executor.MyriadExecutorAuxService</value>
    </property>
    <property>
        <name>yarn.nm.liveness-monitor.expiry-interval-ms</name>
        <value>2000</value>
    </property>
    <property>
        <name>yarn.am.liveness-monitor.expiry-interval-ms</name>
        <value>10000</value>
    </property>
    <property>
        <name>yarn.resourcemanager.nm.liveness-monitor.interval-ms</name>
        <value>1000</value>
    </property>
<!-- (more) Site-specific YARN configuration properties -->
    <property>
        <name>yarn.nodemanager.resource.cpu-vcores</name>
        <value>${nodemanager.resource.cpu-vcores}</value>
    </property>
    <property>
        <name>yarn.nodemanager.resource.memory-mb</name>
        <value>${nodemanager.resource.memory-mb}</value>
    </property>
<!-- Dynamic Port Assignment enablement by Mesos -->
    <property>
        <name>yarn.nodemanager.address</name>
        <value>${myriad.yarn.nodemanager.address}</value>
    </property>
    <property>
        <name>yarn.nodemanager.webapp.address</name>
        <value>${myriad.yarn.nodemanager.webapp.address}</value>
    </property>
    <property>
        <name>yarn.nodemanager.webapp.https.address</name>
        <value>${myriad.yarn.nodemanager.webapp.address}</value>
    </property>
    <property>
        <name>yarn.nodemanager.localizer.address</name>
        <value>${myriad.yarn.nodemanager.localizer.address}</value>
    </property>

<!-- Myriad Scheduler configuration -->
    <property>
        <name>yarn.resourcemanager.scheduler.class</name>
        <value>org.apache.myriad.scheduler.yarn.MyriadFairScheduler</value>
    </property>
<!-- Needed for Fine Grain Scaling -->
    <property>
        <name>yarn.scheduler.minimum-allocation-mb</name>
        <value>0</value>
    </property>
    <property>
        <name>yarn.scheduler.minimum-allocation-vcores</name>
        <value>0</value>
    </property>
<!-- Cgroups specific configuration -->
<!--
    <property>
        <description>Who will execute(launch) the containers.</description>
        <name>yarn.nodemanager.container-executor.class</name>
        <value>${yarn.nodemanager.container-executor.class}</value>
    </property>
    <property>
        <description>The class which should help the LCE handle resources.</description>
        <name>yarn.nodemanager.linux-container-executor.resources-handler.class</name>
        <value>${yarn.nodemanager.linux-container-executor.resources-handler.class}</value>
    </property>
    <property>
        <name>yarn.nodemanager.linux-container-executor.cgroups.hierarchy</name>
        <value>${yarn.nodemanager.linux-container-executor.cgroups.hierarchy}</value>
    </property>
    <property>
        <name>yarn.nodemanager.linux-container-executor.cgroups.mount</name>
        <value>${yarn.nodemanager.linux-container-executor.cgroups.mount}</value>
    </property>
    <property>
        <name>yarn.nodemanager.linux-container-executor.cgroups.mount-path</name>
        <value>${yarn.nodemanager.linux-container-executor.cgroups.mount-path}</value>
    </property>
    <property>
        <name>yarn.nodemanager.linux-container-executor.group</name>
        <value>${yarn.nodemanager.linux-container-executor.group}</value>
    </property>
    <property>
        <name>yarn.nodemanager.linux-container-executor.path</name>
        <value>${yarn.home}/bin/container-executor</value>
    </property>
-->
</configuration>

---

_{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.}