本文整理汇总了Java中org.apache.hadoop.mapred.AdminOperationsProtocol类的典型用法代码示例。如果您正苦于以下问题：Java AdminOperationsProtocol类的具体用法？Java AdminOperationsProtocol怎么用？Java AdminOperationsProtocol使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
AdminOperationsProtocol类属于org.apache.hadoop.mapred包，在下文中一共展示了AdminOperationsProtocol类的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: refreshQueues
import org.apache.hadoop.mapred.AdminOperationsProtocol; //导入依赖的package包/类
private int refreshQueues() throws IOException {
// Get the current configuration
Configuration conf = getConf();
// Create the client
AdminOperationsProtocol adminOperationsProtocol =
(AdminOperationsProtocol)
RPC.getProxy(AdminOperationsProtocol.class,
AdminOperationsProtocol.versionID,
JobTracker.getAddress(conf), getUGI(conf), conf,
NetUtils.getSocketFactory(conf,
AdminOperationsProtocol.class));
// Refresh the queue properties
adminOperationsProtocol.refreshQueues();
return 0;
}
示例2: refreshNodes
import org.apache.hadoop.mapred.AdminOperationsProtocol; //导入依赖的package包/类
/**
* Command to ask the jobtracker to reread the hosts and excluded hosts
* file.
* Usage: java MRAdmin -refreshNodes
* @exception IOException
*/
private int refreshNodes() throws IOException {
// Get the current configuration
Configuration conf = getConf();
// Create the client
AdminOperationsProtocol adminOperationsProtocol =
(AdminOperationsProtocol)
RPC.getProxy(AdminOperationsProtocol.class,
AdminOperationsProtocol.versionID,
JobTracker.getAddress(conf), getUGI(conf), conf,
NetUtils.getSocketFactory(conf,
AdminOperationsProtocol.class));
// Refresh the queue properties
adminOperationsProtocol.refreshNodes();
return 0;
}
示例3: refreshQueueAcls
import org.apache.hadoop.mapred.AdminOperationsProtocol; //导入依赖的package包/类
private int refreshQueueAcls() throws IOException {
// Get the current configuration
Configuration conf = getConf();
// Create the client
AdminOperationsProtocol adminOperationsProtocol =
(AdminOperationsProtocol)
RPC.getProxy(AdminOperationsProtocol.class,
AdminOperationsProtocol.versionID,
JobTracker.getAddress(conf), getUGI(conf), conf,
NetUtils.getSocketFactory(conf,
AdminOperationsProtocol.class));
// Refresh the queue properties
adminOperationsProtocol.refreshQueueAcls();
return 0;
}
示例4: setSafeMode
import org.apache.hadoop.mapred.AdminOperationsProtocol; //导入依赖的package包/类
private int setSafeMode(String actionString) throws IOException {
JobTracker.SafeModeAction action;
Boolean waitExitSafe = false;
if ("leave".equalsIgnoreCase(actionString)) {
action = JobTracker.SafeModeAction.SAFEMODE_LEAVE;
} else if ("enter".equalsIgnoreCase(actionString)) {
action = JobTracker.SafeModeAction.SAFEMODE_ENTER;
} else if ("get".equalsIgnoreCase(actionString)) {
action = JobTracker.SafeModeAction.SAFEMODE_GET;
} else if ("wait".equalsIgnoreCase(actionString)) {
action = JobTracker.SafeModeAction.SAFEMODE_GET;
waitExitSafe = true;
} else {
printUsage("-safemode");
return -1;
}
// Get the current configuration
Configuration conf = getConf();
// Create the client
AdminOperationsProtocol adminOperationsProtocol =
(AdminOperationsProtocol)
RPC.getProxy(AdminOperationsProtocol.class,
AdminOperationsProtocol.versionID,
JobTracker.getAddress(conf), getUGI(conf), conf,
NetUtils.getSocketFactory(conf,
AdminOperationsProtocol.class));
boolean inSafeMode = adminOperationsProtocol.setSafeMode(action);
//
// If we are waiting for safemode to exit, then poll and
// sleep till we are out of safemode.
//
if (waitExitSafe) {
while (inSafeMode) {
try {
Thread.sleep(3000);
} catch (java.lang.InterruptedException e) {
throw new IOException("Wait Interrupted");
}
inSafeMode = adminOperationsProtocol.setSafeMode(action);
}
}
System.out.println("Safe mode is " + (inSafeMode ? "ON" : "OFF"));
return 0;
}