public static String getLiveSystemOverview() {
// get the start time
long t = SystemStatsCollector.getStartTime();
Date date = new Date(t);
long duration = System.currentTimeMillis() - t;
long minutes = duration / 60000;
long hours = minutes / 60;
minutes -= hours * 60;
long days = hours / 24;
hours -= days * 24;
String starttime = String.format("%s (%dd %dh %dm)", date.toString(), days, hours, minutes);
// handle the basic info page below this
SiteTracker st = VoltDB.instance().getSiteTrackerForSnapshot();
// get the cluster info
String clusterinfo = st.getAllHosts().size() + " hosts ";
clusterinfo += " with " + st.getAllSites().size() + " sites ";
clusterinfo += " (" + st.getAllSites().size() / st.getAllHosts().size();
clusterinfo += " per host)";
StringBuilder sb = new StringBuilder();
sb.append("<table class='table table-condensed'>\n");
sb.append(
"<tr><td>Mode </td><td>"
+ VoltDB.instance().getMode().toString()
+ "</td><td>\n");
sb.append(
"<tr><td>VoltDB Version </td><td>"
+ VoltDB.instance().getVersionString()
+ "</td><td>\n");
sb.append(
"<tr><td>Buildstring </td><td>"
+ VoltDB.instance().getBuildString()
+ "</td><td>\n");
sb.append("<tr><td>Cluster Composition </td><td>" + clusterinfo + "</td><td>\n");
sb.append("<tr><td>Running Since </td><td>" + starttime + "</td><td>\n");
sb.append("</table>\n");
return sb.toString();
}
