GCStatus status = Monitor.getGcStatus();
if (status != null) {
Table gcActivity = new Table("gcActivity", "Collection Activity");
gcActivity.addSortableColumn("Activity");
gcActivity.addSortableColumn("Finished", new DateTimeType(new SimpleDateFormat("MMM dd, yyyy kk:mm")), null);
gcActivity.addSortableColumn("Candidates", new NumberType<Long>(), null);
gcActivity.addSortableColumn("Deleted", new NumberType<Long>(), null);
gcActivity.addSortableColumn("In Use", new NumberType<Long>(), null);
gcActivity.addSortableColumn("Errors", new NumberType<Long>(0l, 1l), null);
gcActivity.addSortableColumn("Duration", new DurationType(), null);