我看了这篇文章,但没帮我什么忙。
我试图让Yarn在现有的集群上工作。到目前为止,我们一直在使用spark独立管理器作为我们的资源分配器,它已经按预期工作。
这是我们架构的基本概述。白盒子里的东西都装在码头集装箱里。
从 master-machine
我可以在yarn资源管理器容器中运行以下命令,并运行使用yarn的spark shell: ./pyspark --master yarn --driver-memory 1G --executor-memory 1G --executor-cores 1 --conf "spark.yarn.am.memory=1G"
但是,如果我尝试从 client-machine
在jupyter容器中,我在yarn ui中得到以下错误。
Application application_1512999329660_0001 failed 2 times due to AM
Container for appattempt_1512999329660_0001_000002 exited with exitCode: -1000
For more detailed output, check application tracking page:http://master-machine:5000/proxy/application_1512999329660_0001/Then, click on links to logs of each attempt.
Diagnostics: File file:/sparktmp/spark-58732bb2-f513-4aff-b1f0-27f0a8d79947/__spark_libs__5915104925224729874.zip does not exist
java.io.FileNotFoundException: File file:/sparktmp/spark-58732bb2-f513-4aff-b1f0-27f0a8d79947/__spark_libs__5915104925224729874.zip does not exist
我能找到 file:/sparktmp/spark-58732bb2-f513-4aff-b1f0-27f0a8d79947/
上 client-machine
但我找不到 spark-58732bb2-f513-4aff-b1f0-27f0a8d79947
上 master machine
作为一个注意事项,Spark壳工程从 client-machine
当它指向 master machine
.
工人机器上的Yarn日志目录也没有打印日志。
如果我在spark/examples/src/main/python/pi.py上运行spark submit,会得到与上面相同的错误。
下面是yarn-site.xml
<configuration>
<property>
<description>YARN hostname</description>
<name>yarn.resourcemanager.hostname</name>
<value>master-machine</value>
</property>
<property>
<name>yarn.resourcemanager.scheduler.class</name>
<value>org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler</value>
<!-- <value>org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo.FifoScheduler</value> -->
<!-- <value>org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler</value> -->
</property>
<property>
<description>The address of the RM web application.</description>
<name>yarn.resourcemanager.webapp.address</name>
<value>${yarn.resourcemanager.hostname}:5000</value>
</property>
<property>
<name>yarn.resourcemanager.resource-tracker.address</name>
<value>${yarn.resourcemanager.hostname}:8031</value>
</property>
<property>
<description>The address of the scheduler interface.</description>
<name>yarn.resourcemanager.scheduler.address</name>
<value>${yarn.resourcemanager.hostname}:8030</value>
</property>
<property>
<description>The address of the applications manager interface in the RM.</description>
<name>yarn.resourcemanager.address</name>
<value>${yarn.resourcemanager.hostname}:8032</value>
</property>
<property>
<description>The address of the RM admin interface.</description>
<name>yarn.resourcemanager.admin.address</name>
<value>${yarn.resourcemanager.hostname}:8033</value>
</property>
<property>
<description>Set to false, to avoid ip check</description>
<name>hadoop.security.token.service.use_ip</name>
<value>false</value>
</property>
<property>
<name>yarn.scheduler.capacity.maximum-applications</name>
<value>1000</value>
<description>Maximum number of applications in the system which
can be concurrently active both running and pending</description>
</property>
<property>
<description>Whether to use preemption. Note that preemption is experimental
in the current version. Defaults to false.</description>
<name>yarn.scheduler.fair.preemption</name>
<value>true</value>
</property>
<property>
<description>Whether to allow multiple container assignments in one
heartbeat. Defaults to false.</description>
<name>yarn.scheduler.fair.assignmultiple</name>
<value>true</value>
</property>
<property>
<name>yarn.nodemanager.pmem-check-enabled</name>
<value>false</value>
</property>
<property>
<name>yarn.nodemanager.vmem-check-enabled</name>
<value>false</value>
</property>
</configuration>
下面是spark.conf:
# Default system properties included when running spark-submit.
# This is useful for setting default environmental settings.
# DRIVER PROPERTIES
spark.driver.port 7011
spark.fileserver.port 7021
spark.broadcast.port 7031
spark.replClassServer.port 7041
spark.akka.threads 6
spark.driver.cores 4
spark.driver.memory 32g
spark.master yarn
spark.deploy.mode client
# DRIVER AND EXECUTORS
spark.blockManager.port 7051
# EXECUTORS
spark.executor.port 7101
# GENERAL
spark.broadcast.factory=org.apache.spark.broadcast.HttpBroadcastFactory
spark.port.maxRetries 10
spark.local.dir /sparktmp
spark.scheduler.mode FAIR
# SPARK UI
spark.ui.port 4140
# DYNAMIC ALLOCATION AND SHUFFLE SERVICE
# http://spark.apache.org/docs/latest/configuration.html#dynamic-allocation
spark.dynamicAllocation.enabled false
spark.shuffle.service.enabled false
spark.shuffle.service.port 7061
spark.dynamicAllocation.initialExecutors 5
spark.dynamicAllocation.minExecutors 0
spark.dynamicAllocation.maxExecutors 8
spark.dynamicAllocation.executorIdleTimeout 60s
# LOGGING
spark.executor.logs.rolling.maxRetainedFiles 5
spark.executor.logs.rolling.strategy size
spark.executor.logs.rolling.maxSize 100000000
# JMX
# Testing
# spark.driver.extraJavaOptions -Dcom.sun.management.jmxremote.port=8897 -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false
# Spark Yarn Configs
spark.hadoop.yarn.resourcemanager.address <master-machine IP>:8032
spark.hadoop.yarn.resourcemanager.hostname master-machine
这个shell脚本在所有mahcines上运行:
# The main ones
export CONDA_DIR=/cluster/conda
export HADOOP_HOME=/usr/hadoop
export SPARK_HOME=/usr/spark
export JAVA_HOME=/usr/java/latest
export PATH=$PATH:$SPARK_HOME/bin:$HADOOP_HOME/bin:$JAVA_HOME/bin:$CONDA_DIR/bin:/cluster/libs-python:/cluster/batch
export PYTHONPATH=/cluster/libs-python:$SPARK_HOME/python:$PY4JPATH:$PYTHONPATH
export SPARK_CLASSPATH=/cluster/libs-java/*:/cluster/libs-python:$SPARK_CLASSPATH
# Core spark configuration
export PYSPARK_PYTHON="/cluster/conda/bin/python"
export SPARK_MASTER_PORT=7077
export SPARK_WORKER_PORT=7078
export SPARK_MASTER_WEBUI_PORT=7080
export SPARK_WORKER_WEBUI_PORT=7081
export SPARK_WORKER_OPTS="-Dspark.worker.cleanup.enabled=true -Duser.timezone=UTC+02:00"
export SPARK_WORKER_DIR="/sparktmp"
export SPARK_WORKER_CORES=22
export SPARK_WORKER_MEMORY=43G
export SPARK_DAEMON_MEMORY=1G
export SPARK_WORKER_INSTANCEs=1
export SPARK_EXECUTOR_INSTANCES=2
export SPARK_EXECUTOR_MEMORY=4G
export SPARK_EXECUTOR_CORES=2
export SPARK_LOCAL_IP=$(hostname -I | cut -f1 -d " ")
export SPARK_PUBLIC_DNS=$(hostname -I | cut -f1 -d " ")
export SPARK_MASTER_OPTS="-Duser.timezone=UTC+02:00"
这是主计算机上的hdfs-site.xml(namenodes):
<configuration>
<property>
<name>dfs.datanode.data.dir</name>
<value>/hdfs</value>
</property>
<property>
<name>dfs.namenode.name.dir</name>
<value>/hdfs/name</value>
</property>
<property>
<name>dfs.replication</name>
<value>2</value>
</property>
<property>
<name>dfs.replication.max</name>
<value>3</value>
</property>
<property>
<name>dfs.replication.min</name>
<value>1</value>
</property>
<property>
<name>dfs.permissions.superusergroup</name>
<value>supergroup</value>
</property>
<property>
<name>dfs.blocksize</name>
<value>268435456</value>
</property>
<property>
<name>dfs.permissions.enabled</name>
<value>true</value>
</property>
<property>
<name>fs.permissions.umask-mode</name>
<value>002</value>
</property>
<property>
<name>dfs.namenode.datanode.registration.ip-hostname-check</name>
<value>false</value>
</property>
<property>
<!-- 1000Mbit/s -->
<name>dfs.balance.bandwidthPerSec</name>
<value>125000000</value>
</property>
<property>
<name>dfs.hosts.exclude</name>
<value>/cluster/config/hadoopconf/namenode/dfs.hosts.exclude</value>
<final>true</final>
</property>
<property>
<name>dfs.namenode.replication.work.multiplier.per.iteration</name>
<value>10</value>
</property>
<property>
<name>dfs.namenode.replication.max-streams</name>
<value>50</value>
</property>
<property>
<name>dfs.namenode.replication.max-streams-hard-limit</name>
<value>100</value>
</property>
</configuration>
这是工作机(数据节点)上的hdfs-site.xml:
<configuration>
<property>
<name>dfs.datanode.data.dir</name>
<value>/hdfs,/hdfs2,/hdfs3</value>
</property>
<property>
<name>dfs.namenode.name.dir</name>
<value>/hdfs/name</value>
</property>
<property>
<name>dfs.replication</name>
<value>2</value>
</property>
<property>
<name>dfs.replication.max</name>
<value>3</value>
</property>
<property>
<name>dfs.replication.min</name>
<value>1</value>
</property>
<property>
<name>dfs.permissions.superusergroup</name>
<value>supergroup</value>
</property>
<property>
<name>dfs.blocksize</name>
<value>268435456</value>
</property>
<property>
<name>dfs.permissions.enabled</name>
<value>true</value>
</property>
<property>
<name>fs.permissions.umask-mode</name>
<value>002</value>
</property>
<property>
<!-- 1000Mbit/s -->
<name>dfs.balance.bandwidthPerSec</name>
<value>125000000</value>
</property>
</configuration>
这是工作机(datanodes)上的core-site.xml
<configuration>
<property>
<name>fs.defaultFS</name>
<value>hdfs://master-machine:54310/</value>
</property>
</configuration>
这是主计算机(名称节点)上的core-site.xml:
<configuration>
<property>
<name>fs.defaultFS</name>
<value>hdfs://master-machine:54310/</value>
</property>
</configuration>
1条答案
按热度按时间brjng4g31#
经过大量调试后,我发现由于某种原因,jupyter容器没有在正确的hadoop conf目录中查找,即使hadoop\u home环境变量指向正确的位置。为了解决上述问题,我所要做的就是将hadoop\u conf\u dir指向正确的目录,然后一切又开始工作了。