Java Code Examples for org.apache.hadoop.util.StringUtils#simpleHostname()
The following examples show how to use
org.apache.hadoop.util.StringUtils#simpleHostname() .
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Example 1
| Source File: FairSchedulerAdmissionControlServlet.java From RDFS with Apache License 2.0 | 4 votes |
|
public void doActualGet(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
// Check for user set or pool set filters
Set<String> userFilterSet = null;
String userFilter = request.getParameter("users");
if (userFilter != null) {
userFilterSet = new HashSet<String>(Arrays.asList(userFilter.split(",")));
}
Set<String> poolFilterSet = null;
String poolFilter = request.getParameter("pools");
if (poolFilter != null) {
poolFilterSet = new HashSet<String>(Arrays.asList(poolFilter.split(",")));
}
// Print out the normal response
response.setContentType("text/html");
// Because the client may read arbitrarily slow, and we hold locks while
// the servlet output, we want to write to our own buffer which we know
// won't block.
ByteArrayOutputStream baos = new ByteArrayOutputStream();
PrintWriter out = new PrintWriter(baos);
String hostname = StringUtils.simpleHostname(
jobTracker.getJobTrackerMachine());
out.print("<html><head>");
out.printf("<title>%s Job Scheduler Admininstration</title>\n", hostname);
out.print("<link rel=\"stylesheet\" type=\"text/css\" " +
"href=\"/static/hadoop.css\">\n");
out.print("<link rel=\"stylesheet\" type=\"text/css\" " +
"href=\"/static/tablesorter/style.css\">\n");
out.print("<script type=\"text/javascript\" " +
"src=\"/static/jquery-1.7.1.min.js\"></script>");
out.print("<script type=\"text/javascript\" " +
"src=\"/static/tablesorter/jquery.tablesorter.js\"></script>");
out.print("<script type=\"text/javascript\" " +
"src=\"/static/tablesorter/jobtablesorter.js\"></script>");
out.print("<script type=\"text/javascript\" " +
"src=\"/static/dynamic-selector.js\"></script>\n");
out.print("<script type=\"text/javascript\" " +
"src=\"/static/tablefilter.js\"></script>\n");
out.print("<script type=\"text/javascript\">");
out.print("function init() {\n");
out.print(" var table=document.getElementById('NotAdmittedJobsTable');\n");
out.print(" var startRow = 1; // Rows 0 is a header row\n");
out.print(" var filteredColumns = [" +
"new ColumnSearchToggle(0, 'SubmittedTimeFilterToggle')," +
"new ColumnSearchToggle(1, 'JobIDFilterToggle')," +
"new ColumnSearchToggle(2, 'UserFilterToggle')," +
"new ColumnSearchToggle(4, 'PoolFilterToggle')," +
"new ColumnSearchToggle(5, 'PrioFilterToggle')];\n\n");
out.print("addTable(table, startRow, filteredColumns);\n");
out.print("}\nwindow.onload=init;</script>\n");
out.print("<style type=\"text/css\">" +
".fake-link {color: blue; " +
"text-decoration: underline; " +
"cursor: pointer;}</style>\n");
out.print("</head><body>\n");
out.printf("<h1><a href=\"/jobtracker.jsp\">%s</a> " +
"Job Scheduler Administration</h1>\n", hostname);
AdmissionControlData admissionControlData =
scheduler.getJobInitializer().getAdmissionControlData();
out.printf("<b>Cluster-Wide Soft Task Limit :</b> %d<br>",
admissionControlData.getSoftTaskLimit());
out.printf("<b>Cluster-Wide Hard Task Limit :</b> %d<br>",
admissionControlData.getHardTaskLimit());
out.printf("<b>Cluster-Wide Total Tasks:</b> %d<br>",
admissionControlData.getTotalTasks());
if (admissionControlData.getHardTaskLimit() <
admissionControlData.getTotalTasks()) {
out.print("<b style=\"color:#FF0000\">" +
"Cluster is now in hard admission control. All new jobs will " +
"have to wait until tasks clear before admission.</b><br>");
} else if (admissionControlData.getSoftTaskLimit() <
admissionControlData.getTotalTasks()) {
out.print("<b style=\"color:#FF6600\">" +
"Cluster is now in soft admission control. Only jobs submitted to " +
"SLA pools that also meet the SLA pool limits will be " +
"admitted.</b><br>");
}
FairSchedulerServlet.printFilterInfo(
out, poolFilter, userFilter, "fairscheduleradmissioncontrol");
FairSchedulerServlet.showCluster(out, false, jobTracker);
showJobsNotAdmitted(out, userFilterSet, poolFilterSet);
out.print("</body></html>\n");
out.close();
// Flush our buffer to the real servlet output
OutputStream servletOut = response.getOutputStream();
baos.writeTo(servletOut);
servletOut.close();
}
Example 2
| Source File: jobqueue_005fdetails_jsp.java From hadoop-gpu with Apache License 2.0 | 4 votes |
|
public void _jspService(HttpServletRequest request, HttpServletResponse response)
throws java.io.IOException, ServletException {
JspFactory _jspxFactory = null;
PageContext pageContext = null;
HttpSession session = null;
ServletContext application = null;
ServletConfig config = null;
JspWriter out = null;
Object page = this;
JspWriter _jspx_out = null;
PageContext _jspx_page_context = null;
try {
_jspxFactory = JspFactory.getDefaultFactory();
response.setContentType("text/html; charset=UTF-8");
pageContext = _jspxFactory.getPageContext(this, request, response,
null, true, 8192, true);
_jspx_page_context = pageContext;
application = pageContext.getServletContext();
config = pageContext.getServletConfig();
session = pageContext.getSession();
out = pageContext.getOut();
_jspx_out = out;
out.write('\n');
out.write('\n');
JobTracker tracker =
(JobTracker) application.getAttribute("job.tracker");
String trackerName =
StringUtils.simpleHostname(tracker.getJobTrackerMachine());
String queueName =
StringUtils.escapeHTML(request.getParameter("queueName"));
TaskScheduler scheduler = tracker.getTaskScheduler();
Collection<JobInProgress> jobs = scheduler.getJobs(queueName);
JobQueueInfo schedInfo = tracker.getQueueInfo(queueName);
out.write("\n<html>\n<head>\n<title>Queue details for ");
out.print(queueName!=null?queueName:"");
out.write(" </title>\n<link rel=\"stylesheet\" type=\"text/css\" href=\"/static/hadoop.css\">\n<script type=\"text/javascript\" src=\"/static/jobtracker.js\"></script>\n</head>\n<body>\n");
JSPUtil.processButtons(request, response, tracker);
out.write('\n');
String schedulingInfoString = schedInfo.getSchedulingInfo();
out.write("\n<h1>Hadoop Job Queue Scheduling Information on \n <a href=\"jobtracker.jsp\">");
out.print(trackerName);
out.write("</a>\n</h1>\n<div>\nScheduling Information : ");
out.print( schedulingInfoString.replaceAll("\n","<br/>") );
out.write("\n</div>\n<hr/>\n");
if(jobs == null || jobs.isEmpty()) {
out.write("\n<center>\n<h2> No Jobs found for the Queue :: ");
out.print(queueName!=null?queueName:"");
out.write(" </h2>\n<hr/>\n</center>\n");
}else {
out.write("\n<center>\n<h2> Job Summary for the Queue :: ");
out.print(queueName!=null?queueName:"" );
out.write(" </h2>\n</center>\n<div style=\"text-align: center;text-indent: center;font-style: italic;\">\n(In the order maintained by the scheduler)\n</div>\n<br/>\n<hr/>\n");
out.print(
JSPUtil.generateJobTable("Job List", jobs, 30, 0)
);
out.write("\n<hr>\n");
}
out.write('\n');
out.write('\n');
out.println(ServletUtil.htmlFooter());
out.write('\n');
out.write('\n');
} catch (Throwable t) {
if (!(t instanceof SkipPageException)){
out = _jspx_out;
if (out != null && out.getBufferSize() != 0)
out.clearBuffer();
if (_jspx_page_context != null) _jspx_page_context.handlePageException(t);
}
} finally {
if (_jspxFactory != null) _jspxFactory.releasePageContext(_jspx_page_context);
}
}
