标签:park com xxxx 转换 root bsp class err nat
coordinator application:
coordinator application是在满足一组条件时触发动作(通常是工作流作业)的程序。条件可以是时间频率、新数据集实例或其他外部事件。
coordinator application的类型:同步:它的协调器动作是在指定的时间间隔创建的,通常是参数化的。
coordinator job:
要创建一个coordinator job,必须向协调器引擎提供解决所有coordinator application参数的作业配置.
coordinator job是从开始时间到结束时间运行的coordinator application的运行实例,开始时间必须比结束时间早。
通常情况下,一个coordinator 作业是下列状态之一:PREP, RUNNING, RUNNINGWITHERROR, PREPSUSPENDED, SUSPENDED, SUSPENDEDWITHERROR, PREPPAUSED, PAUSED, PAUSEDWITHERROR, SUCCEEDED, DONEWITHERROR, KILLED, FAILED .
有效的coordinator job状态转换是:
PREP --> PREPSUSPENDED | PREPPAUSED | RUNNING | KILLED
RUNNING --> RUNNINGWITHERROR | SUSPENDED | PAUSED | SUCCEEDED | KILLED
RUNNINGWITHERROR --> RUNNING | SUSPENDEDWITHERROR | PAUSEDWITHERROR | DONEWITHERROR | KILLED | FAILED
PREPSUSPENDED --> PREP | KILLED
SUSPENDED --> RUNNING | KILLED
SUSPENDEDWITHERROR --> RUNNINGWITHERROR | KILLED
PREPPAUSED --> PREP | KILLED
PAUSED --> SUSPENDED | RUNNING | KILLED
PAUSEDWITHERROR --> SUSPENDEDWITHERROR | RUNNINGWITHERROR | KILLED
FAILED | KILLED --> IGNORED
IGNORED --> RUNNING
当一个coordinator 提交作业,Oozie解析 coordinator job XML。Oozie然后创建与状态准备coordinator 记录并返回一个唯一的ID,如果没有设置暂停时间coordinator 也立即开始.
coordinator job 创建并执行 coordinator actions.
coordinator action通常是一个workflow job ,它消耗并生成数据集实例。
一旦创建了coordinator action(这也被称为正在实现的action), coordinator action 将一直等待,直到满足执行所需的所有输入,或者直到等待超时为止。
Synchronous Coordinator Application定义:
synchronous coordinator 是由 name, start time ,end time, the frequency of creation of its coordinator actions, the input events, the output events , action control information来定义的.
语法:
<coordinator-app name="[NAME]" frequency="[FREQUENCY]" start="[DATETIME]" end="[DATETIME]" timezone="[TIMEZONE]" xmlns="uri:oozie:coordinator:0.1"> <controls> <timeout>[TIME_PERIOD]</timeout> <concurrency>[CONCURRENCY]</concurrency> <execution>[EXECUTION_STRATEGY]</execution> </controls> . <datasets> <include>[SHARED_DATASETS]</include> ... . <!-- Synchronous datasets --> <dataset name="[NAME]" frequency="[FREQUENCY]" initial-instance="[DATETIME]" timezone="[TIMEZONE]"> <uri-template>[URI_TEMPLATE]</uri-template> </dataset> ... . </datasets> . <input-events> <data-in name="[NAME]" dataset="[DATASET]"> <instance>[INSTANCE]</instance> ... </data-in> ... <data-in name="[NAME]" dataset="[DATASET]"> <start-instance>[INSTANCE]</start-instance> <end-instance>[INSTANCE]</end-instance> </data-in> ... </input-events> <output-events> <data-out name="[NAME]" dataset="[DATASET]"> <instance>[INSTANCE]</instance> </data-out> ... </output-events> <action> <workflow> <app-path>[WF-APPLICATION-PATH]</app-path> <configuration> <property> <name>[PROPERTY-NAME]</name> <value>[PROPERTY-VALUE]</value> </property> ... </configuration> </workflow> </action> </coordinator-app>
官网给出的例子:
<coordinator-app name="hello-coord" frequency="${coord:days(1)}" start="2009-01-02T08:00Z" end="2009-01-02T08:00Z" timezone="America/Los_Angeles" xmlns="uri:oozie:coordinator:0.1"> <datasets> <dataset name="logs" frequency="${coord:days(1)}" initial-instance="2009-01-02T08:00Z" timezone="America/Los_Angeles"> <uri-template>hdfs://bar:8020/app/logs/${YEAR}${MONTH}/${DAY}/data</uri-template> </dataset> <dataset name="siteAccessStats" frequency="${coord:days(1)}" initial-instance="2009-01-02T08:00Z" timezone="America/Los_Angeles"> <uri-template>hdfs://bar:8020/app/stats/${YEAR}/${MONTH}/${DAY}/data</uri-template> </dataset> </datasets> <input-events> <data-in name="input" dataset="logs"> <instance>2009-01-02T08:00Z</instance> </data-in> </input-events> <output-events> <data-out name="output" dataset="siteAccessStats"> <instance>2009-01-02T08:00Z</instance> </data-out> </output-events> <action> <workflow> <app-path>hdfs://bar:8020/usr/joe/logsprocessor-wf</app-path> <configuration> <property> <name>wfInput</name> <value>${coord:dataIn(‘input‘)}</value> </property> <property> <name>wfOutput</name> <value>${coord:dataOut(‘output‘)}</value> </property> </configuration> </workflow> </action> </coordinator-app>
我们工作时写的:
coordinator.xml
<coordinator-app name="cron-coord" frequency="${coord:minutes(6)}" start="${start}" end="${end}" timezone="UTC"
xmlns="uri:oozie:coordinator:0.2"> <action> <workflow> <app-path>${workflowAppUri}</app-path> <configuration> <property> <name>jobTracker</name> <value>${jobTracker}</value> </property> <property> <name>nameNode</name> <value>${nameNode}</value> </property> <property> <name>queueName</name> <value>${queueName}</value> </property> <property> <name>mainClass</name> <value>com.ocn.itv.rinse.ErrorCollectRinse</value> </property> </configuration> </workflow> </action> </coordinator-app>
workflow.xml
<workflow-app name="Spark-example1" xmlns="uri:oozie:workflow:0.5"> <start to="spark-SparkOozieAction"/> <action name="spark-SparkOozieAction"> <spark xmlns="uri:oozie:spark-action:0.1"> <job-tracker>${jobTracker}</job-tracker> <name-node>${nameNode}</name-node> <configuration> <property> <name>mapred.job.queue.name</name> <value>${queueName}</value> </property> </configuration> <master>yarn-cluster</master> <mode>cluster</mode> <name>Spark Example</name> <class>${mainClass}</class> <jar>ocn-itv-spark-3.0.3-rc1.jar</jar> <spark-opts>${sparkopts}</spark-opts> <arg>${input}</arg> </spark > <ok to="end"/> <error to="fail"/> </action> <kill name="fail"> <message>Action failed, error message[${wf:errorMessage(wf:lastErrorNode())}]</message> </kill> <end name="end"/> </workflow-app>
job.properties
nameNode=hdfs://hgdp-001:8020 jobTracker=hgdp-001:8032 queueName=default input=2017-05-09 start=2017-08-28T17:50+0800 end=2017-08-28T18:50+0800 sparkopts=--executor-memory 1G oozie.use.system.libpath=True hdfspath=user/root examplesRoot=ocn-itv-oozie oozie.libpath=${nameNode}/${hdfspath}/${examplesRoot}/lib/ workflowAppUri=${nameNode}/${hdfspath}/${examplesRoot}/wf/wf1/ oozie.coord.application.path=${nameNode}/${hdfspath}/${examplesRoot}/cd/cd1/
最后运行:
启动任务:oozie job -config job.properties -run -oozie http://xxxx(地址):11000/oozie
运行结果:
标签:park com xxxx 转换 root bsp class err nat
原文地址:http://www.cnblogs.com/jjSmileEveryDay/p/7457385.html