boolean init(FairSchedulerConfiguration conf) {
if (conf.isEventLogEnabled()) {
try {
logDir = conf.getEventlogDir();
File logDirFile = new File(logDir);
if (!logDirFile.exists()) {
if (!logDirFile.mkdirs()) {
throw new IOException(
"Mkdirs failed to create " + logDirFile.toString());
}
}
String username = System.getProperty("user.name");
logFile = String.format("%s%shadoop-%s-fairscheduler.log",
logDir, File.separator, username);
logDisabled = false;
PatternLayout layout = new PatternLayout("%d{ISO8601}\t%m%n");
appender = new DailyRollingFileAppender(layout, logFile, "'.'yyyy-MM-dd");
appender.activateOptions();
LOG.info("Initialized fair scheduler event log, logging to " + logFile);
} catch (IOException e) {
LOG.error(
"Failed to initialize fair scheduler event log. Disabling it.", e);
logDisabled = true;
}
} else {
logDisabled = true;
}
return !(logDisabled);
}
FairSchedulerEventLog.java 文件源码
java
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项目:aliyun-oss-hadoop-fs
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