hbase-webapps.master.startupProgress.jsp Maven / Gradle / Ivy
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Server functionality for HBase
<%--
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
--%>
<%@ page contentType="text/html;charset=UTF-8"
import="java.util.Date"
import="java.util.Iterator"
import="java.util.List"
%>
<%@ page import="org.apache.hadoop.hbase.master.HMaster" %>
<%@ page import="org.apache.hadoop.hbase.monitoring.MonitoredTask" %>
<%@ page import="org.apache.hadoop.hbase.monitoring.TaskGroup" %>
<%
final HMaster master = (HMaster) getServletContext().getAttribute(HMaster.MASTER);
%>
Startup Progress (
<% TaskGroup startupTaskGroup = master.getStartupProgress();
if(startupTaskGroup != null){ %>
<%= getStartupStatusString(startupTaskGroup) %>
<% } else { %>
<%= ""%>
<% } %>
)
Task
Current State
Start Time
Last status Time
Elapsed Time(ms)
Journals
<%
if(startupTaskGroup != null){
for (MonitoredTask task : startupTaskGroup.getTasks()) { %>
<%= task.getDescription() %>
<%= task.getState().name() %>
<%= new Date(task.getStartTime()) %>
<%= new Date(task.getStatusTime()) %>
<%= task.getStatusTime() - task.getStartTime() %>
<%= printLatestJournals(task, 30) %>
<% }
} %>
journal = task.getStatusJournal();
if (journal == null) {
return "";
}
int journalSize = journal.size();
StringBuilder sb = new StringBuilder();
int skips = journalSize - count;
if (skips > 0) {
sb.append("Current journal size is ").append(journalSize).append(", ");
sb.append("skip the previous ones and show the latest ").append(count).append(" journals...");
sb.append(" ");
}
Iterator iter = journal.iterator();
MonitoredTask.StatusJournalEntry previousEntry = null;
int i = 0;
while (iter.hasNext()) {
MonitoredTask.StatusJournalEntry entry = iter.next();
if (i >= skips) {
sb.append(entry);
if (previousEntry != null) {
long delta = entry.getTimeStamp() - previousEntry.getTimeStamp();
if (delta != 0) {
sb.append(" (+").append(delta).append(" ms)");
}
}
sb.append(" ");
previousEntry = entry;
}
i++;
}
return sb.toString();
}
private static String getStartupStatusString(TaskGroup startupTaskGroup) {
MonitoredTask.State currentState = startupTaskGroup.getState();
if (currentState.equals(MonitoredTask.State.COMPLETE)) {
return "Master initialized";
} else if (currentState.equals(MonitoredTask.State.RUNNING) |
currentState.equals(MonitoredTask.State.WAITING)) {
return "Master initialize in progress";
} else {
return currentState.toString();
}
}
%>