YARN：资源调度平台
YARN参数解读与调优
yarn-site.xml文件默认参数：
http://hadoop.apache.org/docs/r2.7.3/hadoop-yarn/hadoop-yarn-common/yarn-default.xml
参数
默认值
说明
yarn.resourcemanager.address
${yarn.resourcemanager.hostname}:8032
ResourceManager 对客户端暴露的地址
yarn.resourcemanager.scheduler.address
${yarn.resourcemanager.hostname}:8030
ResourceManager 对ApplicationMaster暴露的访问地址2
yarn.resourcemanager.resource-tracker.address
${yarn.resourcemanager.hostname}:8031
ResourceManager 对NodeManager暴露的地址
yarn.resourcemanager.admin.address
${yarn.resourcemanager.hostname}:8033
ResourceManager 对管理员暴露的访问地址
yarn.resourcemanager.webapp.address
${yarn.resourcemanager.hostname}:8088
ResourceManager对外WebUI地址
yarn.resourcemanager.scheduler.class
capacity.CapacityScheduler
启用的资源调度器主类，目前可用的有FIFO、Capacity Scheduler和Fair Scheduler
yarn.resourcemanager.resource-tracker.client.thread-count
50
处理来自NodeManager的RPC请求的Handler数目
yarn.resourcemanager.scheduler.client.thread-count
50
处理来自ApplicationMaster的RPC请求的Handler数目
yarn.scheduler.minimum-allocation-mb
1024
单个可申请的最小内存资源量
yarn.scheduler.maximum-allocation-mb
8192
单个可申请的最大内存资源量
yarn.scheduler.minimum-allocation-vcores
1
单个可申请的最小虚拟CPU个数
yarn.scheduler.maximum-allocation-vcores
32
单个可申请的最大虚拟CPU个数
yarn.resourcemanager.nodemanagers.heartbeat-interval-ms
1000（毫秒）
NodeManager心跳间隔
capacity.CapacityScheduler的完整名称： org.apache.Hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler
NodeManager相关配置参数
mapred-site.xml
参数调优
参照
http://docs.hortonworks.com/HDPDocuments/HDP2/HDP-2.6.0/index.html
单击“Command Line Installation”超链接后的PDF图标，即可打开HDP安装文档。
单击“1.10. Determining HDP Memory Configuration Settings”条目，跳转到对应页面
单击“Download Companion Files”连接，可以看到两条命令
1wget http://public-repo-1.hortonworks.com/HDP/tools/2.6.0.3/ 2hdp_manual_install_rpm_helper_files-2.6.0.3.8.tar.gz 3tar zxvf hdp_manual_install_rpm_helper_files-2.6.0.3.8.tar.gz 4 5[root@node1 ~]# wget http://public-repo-1.hortonworks.com/HDP/tools/2.6.0.3/hdp_manual_install_rpm_helper_files-2.6.0.3.8.tar.gz--2018-11-26 22:11:09-- http://public-repo-1.hortonworks.com/HDP/tools/2.6.0.3/hdp_manual_install_rpm_helper_files-2.6.0.3.8.tar.gz 6Resolving public-repo-1.hortonworks.com (public-repo-1.hortonworks.com)... 13.33.231.53, 13.33.231.93, 13.33.231.120, ... 7Connecting to public-repo-1.hortonworks.com (public-repo-1.hortonworks.com)|13.33.231.53|:80... connected. 8HTTP request sent, awaiting response... 200 OK 9Length: 85173 (83K) [application/x-tar] 10Saving to: ‘hdp_manual_install_rpm_helper_files-2.6.0.3.8.tar.gz’ 11 12100%[======================================================================================>] 85,173 313KB/s in 0.3s 13 142018-11-26 22:11:10 (313 KB/s) - ‘hdp_manual_install_rpm_helper_files-2.6.0.3.8.tar.gz’ saved [85173/85173] 15 16[root@node1 ~]#
1[root@node1 ~]# tar -zxvf hdp_manual_install_rpm_helper_files-2.6.0.3.8.tar.gz 2hdp_manual_install_rpm_helper_files-2.6.0.3.8/ 3hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/ 4hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/hive/ 5hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/hive/hive-log4j.properties.template 6hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/hive/hive-site.xml 7hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/hive/hive-env.sh 8hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/hive/hive-exec-log4j.properties.template 9hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/nagios/ 10hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/nagios/objects/ 11hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/nagios/objects/nagios.cfg-centos 12hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/nagios/objects/hadoop-hosts.cfg 13hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/nagios/objects/hadoop-commands.cfg 14hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/nagios/objects/hadoop-hostgroups.cfg 15hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/nagios/objects/hadoop-servicegroups.cfg 16hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/nagios/objects/hadoop-services.cfg 17hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/nagios/objects/nagios.cfg-suse 18hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/nagios/plugins/ 19hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/nagios/plugins/check_resourcemanager_nodes_percentage.sh 20hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/nagios/plugins/check_name_dir_status.php 21hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/nagios/plugins/check_datanode_storage.php 22hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/nagios/plugins/check_mapred_local_dir_used.sh 23hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/nagios/plugins/check_aggregate.php 24hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/nagios/plugins/check_hdfs_blocks.php 25hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/nagios/plugins/check_rpcq_latency.php 26hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/nagios/plugins/check_webui.sh 27hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/nagios/plugins/check_oozie_status.sh 28hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/nagios/plugins/check_webhcat_status.sh 29hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/nagios/plugins/check_hdfs_capacity.php 30hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/nagios/plugins/check_cpu.pl 31hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/nagios/plugins/check_hive_metastore_status.sh 32hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/nagios/plugins/check_nodemanager_health.sh 33hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/core_hadoop/ 34hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/core_hadoop/hadoop-metrics2.properties 35hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/core_hadoop/capacity-scheduler.xml 36hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/core_hadoop/hadoop-policy.xml 37hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/core_hadoop/hadoop-env.sh 38hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/core_hadoop/core-site.xml 39hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/core_hadoop/yarn-site.xml 40hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/core_hadoop/mapred-site.xml 41hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/core_hadoop/container-executor.cfg 42hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/core_hadoop/yarn-env.sh 43hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/core_hadoop/health_check 44hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/core_hadoop/mapred-queue-acls.xml 45hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/core_hadoop/commons-logging.properties 46hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/core_hadoop/hadoop-metrics2.properties-GANGLIA 47hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/core_hadoop/log4j.properties 48hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/core_hadoop/hdfs-site.xml 49hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/sqoop/ 50hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/sqoop/sqoop-site-template.xml 51hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/sqoop/sqoop-env-template.cmd 52hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/sqoop/sqoop-env.sh 53hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/sqoop/sqoop-site.xml 54hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/sqoop/sqoop-env-template.sh 55hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/ganglia/ 56hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/ganglia/scripts/ 57hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/ganglia/scripts/hdp-gmetad 58hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/ganglia/scripts/hdp-gmond 59hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/ganglia/objects/ 60hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/ganglia/objects/checkGmetad.sh 61hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/ganglia/objects/startRrdcached.sh 62hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/ganglia/objects/checkGmond.sh 63hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/ganglia/objects/gmond.init 64hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/ganglia/objects/rrdcachedLib.sh 65hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/ganglia/objects/gmetad.init 66hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/ganglia/objects/startGmond.sh 67hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/ganglia/objects/gangliaEnv.sh 68hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/ganglia/objects/startGmetad.sh 69hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/ganglia/objects/rrd.py 70hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/ganglia/objects/gmondLib.sh 71hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/ganglia/objects/setupGanglia.sh 72hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/ganglia/objects/gangliaClusters.conf 73hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/ganglia/objects/stopGmetad.sh 74hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/ganglia/objects/teardownGanglia.sh 75hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/ganglia/objects/gangliaLib.sh 76hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/ganglia/objects/stopGmond.sh 77hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/ganglia/objects/stopRrdcached.sh 78hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/ganglia/objects/checkRrdcached.sh 79hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/ganglia/objects/gmetadLib.sh 80hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/zookeeper/ 81hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/zookeeper/zookeeper-env.sh 82hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/zookeeper/configuration.xsl 83hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/zookeeper/log4j.properties 84hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/zookeeper/zoo.cfg 85hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/pig/ 86hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/pig/pig-env.sh 87hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/pig/pig.properties 88hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/pig/log4j.properties 89hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/oozie/ 90hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/oozie/oozie-log4j.properties 91hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/oozie/oozie-env.sh 92hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/oozie/oozie-site.xml 93hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/oozie/adminusers.txt 94hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/oozie/hadoop-config.xml 95hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/oozie/oozie-default.xml 96hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/hbase/ 97hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/hbase/hbase-policy.xml 98hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/hbase/regionservers 99hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/hbase/hadoop-metrics.properties 100hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/hbase/hbase-env.sh 101hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/hbase/hadoop-metrics.properties.master-GANGLIA 102hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/hbase/hadoop-metrics.properties.regionservers-GANGLIA 103hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/hbase/hbase-site.xml 104hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/hbase/log4j.properties 105hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/webhcat/ 106hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/webhcat/webhcat-env.sh 107hdp_manual_install_rpm_helper_files-2.6.0.3.8/configuration_files/webhcat/webhcat-site.xml 108hdp_manual_install_rpm_helper_files-2.6.0.3.8/scripts/ 109hdp_manual_install_rpm_helper_files-2.6.0.3.8/scripts/directories.sh 110hdp_manual_install_rpm_helper_files-2.6.0.3.8/scripts/yarn-utils.py 111hdp_manual_install_rpm_helper_files-2.6.0.3.8/scripts/usersAndGroups.sh 112hdp_manual_install_rpm_helper_files-2.6.0.3.8/readme.txt 113hdp_manual_install_rpm_helper_files-2.6.0.3.8/HDP-CHANGES.txt
如果节点有4核8G内存1块硬盘，该节点同时安装HBase，通过下面命令即可获得优化参数
[root@nb0 scripts]# python yarn-utils.py -c 4 -m 8 -d 1 -k True Using cores=4 memory=8GB disks=1 hbase=True Profile: cores=4 memory=5120MB reserved=3GB usableMem=5GB disks=1 Num Container=3 Container Ram=1536MB Used Ram=4GB Unused Ram=3GB yarn.scheduler.minimum-allocation-mb=1536 yarn.scheduler.maximum-allocation-mb=4608 yarn.nodemanager.resource.memory-mb=4608 mapreduce.map.memory.mb=1536 mapreduce.map.java.opts=-Xmx1228m mapreduce.reduce.memory.mb=3072 mapreduce.reduce.java.opts=-Xmx2457m yarn.app.mapreduce.am.resource.mb=3072 yarn.app.mapreduce.am.command-opts=-Xmx2457m mapreduce.task.io.sort.mb=614
选项说明
选项
描述
-c
每一个客户机的核数目
-m
每一个客户机拥有的内存总数
-d
每一个客户机拥有的磁盘数目
-k
如果Hbase安装了为”True”，否则为”False”