public void handleNotification(Notification notification, Object handback) {
log.warn("================================================================================");
String message = notification.getMessage();
log.warn("Message: " + message);
String type = notification.getType();
log.warn("Type: " + type);
if (type.equals(MemoryNotificationInfo.MEMORY_THRESHOLD_EXCEEDED)
|| type.equals(MemoryNotificationInfo.MEMORY_COLLECTION_THRESHOLD_EXCEEDED)) {
CompositeData cd = (CompositeData) notification.getUserData();
MemoryNotificationInfo info = MemoryNotificationInfo.from(cd);
String poolName = info.getPoolName();
log.warn("Pool Name: " + poolName);
long count = info.getCount();
log.warn("Count: " + count);
MemoryUsage usage = info.getUsage();
long maxMemory = usage.getMax();
long maxMB = maxMemory / (1024 * 1024);
long usedMemory = usage.getUsed();
long usedMB = usedMemory / (1024 * 1024);
double percentUsed = (double) usedMemory / maxMemory;
log.debug(
"Used Memory : "
+ usedMB
+ "/"
+ maxMB
+ " MB ("
+ percentFormat.format(percentUsed)
+ ")");
}
}
private void thresholdNotificationLogger(Notification notification) {
CompositeData cd = (CompositeData) notification.getUserData();
MemoryNotificationInfo info = MemoryNotificationInfo.from(cd);
MemoryPoolMXBean memPool = memoryPoolMap.get(info.getPoolName());
log.error(
"memory threshold "
+ getPercentFormat(getThresholdPercent(memPool))
+ " exceeded on memory pool "
+ info.getPoolName()
+ ", count:"
+ info.getCount()
+ ", "
+ getUsagePercent(memPool)
+ "["
+ info.getUsage()
+ "]");
if (verbose) {
logStats(memoryPoolMap.get(info.getPoolName()), Level.WARN);
}
}
public void handleNotification(Notification notification, Object handback) {
log.debug("handleNotification", "Received notification [ " + notification.getType() + "]");
String type = notification.getType();
if (type.equals(MemoryNotificationInfo.MEMORY_THRESHOLD_EXCEEDED)
|| type.equals(MemoryNotificationInfo.MEMORY_COLLECTION_THRESHOLD_EXCEEDED)) {
MemoryNotificationInfo minfo =
MemoryNotificationInfo.from((CompositeData) notification.getUserData());
SnmpCounter64 count = new SnmpCounter64(minfo.getCount());
SnmpCounter64 used = new SnmpCounter64(minfo.getUsage().getUsed());
SnmpString poolName = new SnmpString(minfo.getPoolName());
SnmpOid entryIndex = getJvmMemPoolEntryIndex(minfo.getPoolName());
if (entryIndex == null) {
log.error(
"handleNotification",
"Error: Can't find entry index for Memory Pool: "
+ minfo.getPoolName()
+ ": "
+ "No trap emitted for "
+ type);
return;
}
SnmpOid trap = null;
final SnmpOidTable mibTable = getOidTable();
try {
SnmpOid usedOid = null;
SnmpOid countOid = null;
if (type.equals(MemoryNotificationInfo.MEMORY_THRESHOLD_EXCEEDED)) {
trap = new SnmpOid(mibTable.resolveVarName("jvmLowMemoryPoolUsageNotif").getOid());
usedOid =
new SnmpOid(mibTable.resolveVarName("jvmMemPoolUsed").getOid() + "." + entryIndex);
countOid =
new SnmpOid(
mibTable.resolveVarName("jvmMemPoolThreshdCount").getOid() + "." + entryIndex);
} else if (type.equals(MemoryNotificationInfo.MEMORY_COLLECTION_THRESHOLD_EXCEEDED)) {
trap = new SnmpOid(mibTable.resolveVarName("jvmLowMemoryPoolCollectNotif").getOid());
usedOid =
new SnmpOid(
mibTable.resolveVarName("jvmMemPoolCollectUsed").getOid() + "." + entryIndex);
countOid =
new SnmpOid(
mibTable.resolveVarName("jvmMemPoolCollectThreshdCount").getOid()
+ "."
+ entryIndex);
}
// Datas
SnmpVarBindList list = new SnmpVarBindList();
SnmpOid poolNameOid =
new SnmpOid(mibTable.resolveVarName("jvmMemPoolName").getOid() + "." + entryIndex);
SnmpVarBind varCount = new SnmpVarBind(countOid, count);
SnmpVarBind varUsed = new SnmpVarBind(usedOid, used);
SnmpVarBind varPoolName = new SnmpVarBind(poolNameOid, poolName);
list.add(varPoolName);
list.add(varCount);
list.add(varUsed);
sendTrap(trap, list);
} catch (Exception e) {
log.error("handleNotification", "Exception occured : " + e);
}
}
}
