Seeing ASA 5540 with High CPU Utilization

I have a remote site customer with a Cisco ASA 5540 running SSLVPN (Anyconnect)(8.03). It currently only serves about 450 SSLVPN clients. Since last friday, they've seen the CPU utilization go up to high 90% while only serving 400+ remote users. Please help us troubleshoot the root cause of the CPU high utilization on Cisco ASA 5540.

This doc is a good starting point:
http://www.cisco.com/en/US/products/hw/vpndevc/ps2030/products_tech_note09186a008009491c.shtml

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High CPU utilization in cisco 6509E

I am facing a issue with CISCO 6509E switch with high CPU utilization. it reaches to 65%-70% which usually reaches 20 to 30%.

Hi
Your High CPU is due to interrupts, see 65% alone due to interrupts out of 89%.
Also, see last 72 hours CPU history, CPU always between 50-70%.
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0....5....1....1....2....2....3....3....4....4....5....5....6....6....7.
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* = maximum CPU% # = average CPU%
Here's very good guide to troubleshoot the High CPU Utilization Due to Interrupts
Troubleshooting High CPU Utilization Due to Interrupts
http://www.cisco.com/c/en/us/support/docs/routers/7500-series-routers/41120-highcpu-interrupts.html
- Ashok
Please rate the post or mark as correct answer as it will help others looking for similar information

BTServer causing high CPU utilization

Just got a new MacBook Pro with OS X Lion and updated to 10.7.1. I've seen the BTServer process cause high CPU utilization twice now. One morning I also noticed that the fan was running loudly while the lid was closed and the computer was locked up; I had to force power it off. Anyone seeing similar issues? Doing a search for BTServer on Google or even here in the Apple Support Communities does not bring up anything related to Lion at all, only iPhone-related articles.

yup, i had this problem too. i have a new 2.2ghz macbook pro and while at a coffee shop, i noticed my battery draining very quickly, and a look at activity monitor showed that BTServer was running away with high-cpu utilization. i killed off the process and didn't notice any loss of functionality.
not sure what it was supposed to do with so much freaking cpu cycles!!!
is this for bluetooth? i dont even have bluetooth on. im not happy about this having to be something i'd need to keep a eye on when i'm trying to maximize my battery life.

High CPU Utilization on ASA 5540

I have a remote site customer with a Cisco ASA 5540 running SSLVPN (Anyconnect)(8.03). It currently only serves about 450 SSLVPN clients. Since last friday, they've seen the CPU utilization go up to high 90% while only serving 400+ remote users. I saw some high cpu utilization bugs, but none looked to be relevant. Any ideas on how I can find the root cause of the CPU high utilization?

Hi rlortiz,
I ran into this issue as well on an ASA 5540 with only about 150 users. In the case if you are using large modulus operations including large key size certificates and a higher Diffie-Hellman group, it will cause for high processing.
Since the default method of processing these operations is software-based, it will cause higher CPU usage and also slower SSL/IPsec connection establishment.
If this is the scenario for you, use hardware-based processing by using the following configuration:
"crypto engine large-mod-accel"

Very high cpu utilization with mq broker

Hi all,
I see a very high cpu utilization (400% on 8 cpu server) when I connect consumers to OpenQ. It increase close to 100% for every consumer I add. Slowly, the consumer comes to a halt, as the producers are sending messages at a good rate too.
Environment Setup
Glassfish version 2.1
com.sun.messaging.jmq Version Information Product Compatibility Version: 4.3 Protocol Version: 4.3 Target JMS API Version: 1.1
Cluster set up using persistent storage. snippet from broker log.
Java Runtime: 1.6.0_14 Sun Microsystems Inc. /home/user/foundation/jdk-1.6/jre [06/Apr/2011:12:48:44 EDT] IMQ_HOME=/home/user/foundation/sges/imq [06/Apr/2011:12:48:44 EDT] IMQ_VARHOME=/home/user/foundation/installation/node-agent-server1/server1/imq [06/Apr/2011:12:48:44 EDT] Linux 2.6.18-164.10.1.el5xen i386 server1 (8 cpu) user [06/Apr/2011:12:48:44 EDT] Java Heap Size: max=394432k, current=193920k [06/Apr/2011:12:48:44 EDT] Arguments: -javahome /home/user/foundation/jdk-1.6 -Dimq.autocreate.queue=false -Dimq.autocreate.topic=false -Dimq.cluster.masterbroker=mq://server1:37676/ -Dimq.cluster.brokerlist=mq://server1:37676/,mq://server2:37676/ -Dimq.cluster.nowaitForMasterBroker=true -varhome /home/user/foundation/installation/node-agent-server1/server1/imq -startRmiRegistry -rmiRegistryPort 37776 -Dimq.imqcmd.user=admin -passfile /tmp/asmq5711749746025968663.tmp -save -name clusterservercom -port 37676 -bgnd -silent [06/Apr/2011:12:48:44 EDT] [B1004]: Starting the portmapper service using tcp [ 37676, 50, * ] with min threads 1 and max threads of 1 [06/Apr/2011:12:48:45 EDT] [B1060]: Loading persistent data...
I followed step in http://middlewaremagic.com/weblogic/?p=4884 to narrow it down to Threads that was causing high cpu. Both were around 94%.
Following is the stack for those threads.
"Thread-jms[224]" prio=10 tid=0xd635f400 nid=0x5665 runnable [0xd18fe000] java.lang.Thread.State: RUNNABLE at com.sun.messaging.jmq.jmsserver.data.TransactionList.isConsumedInTransaction(TransactionList.java:697) at com.sun.messaging.jmq.jmsserver.core.Session.detatchConsumer(Session.java:918) - locked <0xf3d35730> (a java.util.Collections$SynchronizedMap) at com.sun.messaging.jmq.jmsserver.core.Session.detatchConsumer(Session.java:810) at com.sun.messaging.jmq.jmsserver.data.handlers.ConsumerHandler.destroyConsumer(ConsumerHandler.java:577) at com.sun.messaging.jmq.jmsserver.data.handlers.ConsumerHandler.handle(ConsumerHandler.java:422) at com.sun.messaging.jmq.jmsserver.data.PacketRouter.handleMessage(PacketRouter.java:181) at com.sun.messaging.jmq.jmsserver.service.imq.IMQIPConnection.readData(IMQIPConnection.java:1489) at com.sun.messaging.jmq.jmsserver.service.imq.IMQIPConnection.process(IMQIPConnection.java:644) at com.sun.messaging.jmq.jmsserver.service.imq.OperationRunnable.process(OperationRunnable.java:170) at com.sun.messaging.jmq.jmsserver.util.pool.BasicRunnable.run(BasicRunnable.java:493) at java.lang.Thread.run(Thread.java:619) Locked ownable synchronizers: - None
"Thread-jms[214]" prio=10 tid=0xd56c8000 nid=0x566c waiting for monitor entry [0xd2838000] java.lang.Thread.State: BLOCKED (on object monitor) at com.sun.messaging.jmq.jmsserver.data.TransactionInformation.isConsumedMessage(TransactionList.java:2544) - locked <0xdbeeb538> (a com.sun.messaging.jmq.jmsserver.data.TransactionInformation) at com.sun.messaging.jmq.jmsserver.data.TransactionList.isConsumedInTransaction(TransactionList.java:697) at com.sun.messaging.jmq.jmsserver.core.Session.detatchConsumer(Session.java:918) - locked <0xe4c9abf0> (a java.util.Collections$SynchronizedMap) at com.sun.messaging.jmq.jmsserver.core.Session.detatchConsumer(Session.java:810) at com.sun.messaging.jmq.jmsserver.data.handlers.ConsumerHandler.destroyConsumer(ConsumerHandler.java:577) at com.sun.messaging.jmq.jmsserver.data.handlers.ConsumerHandler.handle(ConsumerHandler.java:422) at com.sun.messaging.jmq.jmsserver.data.PacketRouter.handleMessage(PacketRouter.java:181) at com.sun.messaging.jmq.jmsserver.service.imq.IMQIPConnection.readData(IMQIPConnection.java:1489) at com.sun.messaging.jmq.jmsserver.service.imq.IMQIPConnection.process(IMQIPConnection.java:644) at com.sun.messaging.jmq.jmsserver.service.imq.OperationRunnable.process(OperationRunnable.java:170) at com.sun.messaging.jmq.jmsserver.util.pool.BasicRunnable.run(BasicRunnable.java:493) at java.lang.Thread.run(Thread.java:619) Locked ownable synchronizers: - None
"Thread-jms[213]" prio=10 tid=0xd65be800 nid=0x5670 runnable [0xd1a28000] java.lang.Thread.State: RUNNABLE at com.sun.messaging.jmq.jmsserver.data.TransactionList.isConsumedInTransaction(TransactionList.java:697) at com.sun.messaging.jmq.jmsserver.core.Session.detatchConsumer(Session.java:918) - locked <0xe4c4bad8> (a java.util.Collections$SynchronizedMap) at com.sun.messaging.jmq.jmsserver.core.Session.detatchConsumer(Session.java:810) at com.sun.messaging.jmq.jmsserver.data.handlers.ConsumerHandler.destroyConsumer(ConsumerHandler.java:577) at com.sun.messaging.jmq.jmsserver.data.handlers.ConsumerHandler.handle(ConsumerHandler.java:422) at com.sun.messaging.jmq.jmsserver.data.PacketRouter.handleMessage(PacketRouter.java:181) at com.sun.messaging.jmq.jmsserver.service.imq.IMQIPConnection.readData(IMQIPConnection.java:1489) at com.sun.messaging.jmq.jmsserver.service.imq.IMQIPConnection.process(IMQIPConnection.java:644) at com.sun.messaging.jmq.jmsserver.service.imq.OperationRunnable.process(OperationRunnable.java:170) at com.sun.messaging.jmq.jmsserver.util.pool.BasicRunnable.run(BasicRunnable.java:493) at java.lang.Thread.run(Thread.java:619) Locked ownable synchronizers: - None
Any ideas will be appreciated.
--

Thanks ak, for the response.
Yes, the messages are consumed in transactions. I set imq.txn.reapLimit=200 in Start Arguments in jvm configuration.
I verified that it is being set in the log.txt file for the broker:
-Dimq.autocreate.queue=false -Dimq.autocreate.topic=false -Dimq.txn.reapLimit=250
It did not make any difference. Do I need to set this property somewhere else ?
As far as upgrading MQ is concerned, I am using glassfish 2.1. And I think MQ 4.3 is packaged with it. Can you suggest a safe way to upgrade to OpenMQ 4.5 in a running environment. I can bring down the cluster temporarily. Can I just change the jar file somwhere to use MQ4.5 ?
Here is the snippet of the consumer code :
I create Connection in @postConstruct and close it in @preDestroy, so that I don't have to do it everytime.
private ResultMessage[] doRetrieve(String username, String password, String jndiDestination, String filter, int maxMessages, long timeout, RetrieveType type)
throws InvalidCredentialsException, InvalidFilterException, ConsumerException {
// Resources
Session session = null;
try {
if (log.isTraceEnabled()) log.trace("Creating transacted session with JMS broker.");
session = connection.createSession(true, Session.SESSION_TRANSACTED);
// Locate bound destination and create consumer
if (log.isTraceEnabled()) log.trace("Searching for named destination: " + jndiDestination);
Destination destination = (Destination) ic.lookup(jndiDestination);
if (log.isTraceEnabled()) log.trace("Creating consumer for named destination " + jndiDestination);
MessageConsumer consumer = (filter == null || filter.trim().length() == 0) ? session.createConsumer(destination) : session.createConsumer(destination, filter);
if (log.isTraceEnabled()) log.trace("Starting JMS connection.");
connection.start();
// Consume messages
if (log.isDebugEnabled()) log.trace("Creating retrieval containers.");
List<ResultMessage> processedMessages = new ArrayList<ResultMessage>(maxMessages);
BytesMessage jmsMessage = null;
for (int i = 0 ; i < maxMessages ; i++) {
// Attempt message retrieve
if (log.isTraceEnabled()) log.trace("Attempting retrieval: " + i);
switch (type) {
case BLOCKING :
jmsMessage = (BytesMessage) consumer.receive();
break;
case IMMEDIATE :
jmsMessage = (BytesMessage) consumer.receiveNoWait();
break;
case TIMED :
jmsMessage = (BytesMessage) consumer.receive(timeout);
break;
// Process retrieved message
if (jmsMessage != null) {
if (log.isTraceEnabled()) log.trace("Message retrieved\n" + jmsMessage);
// Extract message
if (log.isTraceEnabled()) log.trace("Extracting result message container from JMS message.");
byte[] extracted = new byte[(int) jmsMessage.getBodyLength()];
jmsMessage.readBytes(extracted);
// Decompress message
if (jmsMessage.propertyExists(COMPRESSED_HEADER) && jmsMessage.getBooleanProperty(COMPRESSED_HEADER)) {
if (log.isTraceEnabled()) log.trace("Decompressing message.");
extracted = decompress(extracted);
// Done processing message
if (log.isTraceEnabled()) log.trace("Message added to retrieval container.");
String signature = jmsMessage.getStringProperty(DIGITAL_SIGNATURE);
processedMessages.add(new ResultMessage(extracted, signature));
} else
if (log.isTraceEnabled()) log.trace("No message was available.");
// Package return container
if (log.isTraceEnabled()) log.trace("Packing retrieved messages to return.");
ResultMessage[] collectorMessages = new ResultMessage[processedMessages.size()];
for (int i = 0 ; i < collectorMessages.length ; i++)
collectorMessages[i] = processedMessages.get(i);
if (log.isTraceEnabled()) log.trace("Returning " + collectorMessages.length + " messages.");
return collectorMessages;
} catch (NamingException ex) {
sessionContext.setRollbackOnly();
log.error("Unable to locate named queue: " + jndiDestination, ex);
throw new ConsumerException("Unable to locate named queue: " + jndiDestination, ex);
} catch (InvalidSelectorException ex) {
sessionContext.setRollbackOnly();
log.error("Invalid filter: " + filter, ex);
throw new InvalidFilterException("Invalid filter: " + filter, ex);
} catch (IOException ex) {
sessionContext.setRollbackOnly();
log.error("Message decompression failed.", ex);
throw new ConsumerException("Message decompression failed.", ex);
} catch (GeneralSecurityException ex) {
sessionContext.setRollbackOnly();
log.error("Message decryption failed.", ex);
throw new ConsumerException("Message decryption failed.", ex);
} catch (JMSException ex) {
sessionContext.setRollbackOnly();
log.error("Unable to consumer messages.", ex);
throw new ConsumerException("Unable to consume messages.", ex);
} catch (Throwable ex) {
sessionContext.setRollbackOnly();
log.error("Unexpected error.", ex);
throw new ConsumerException("Unexpected error.", ex);
} finally {
try {
if (session != null) session.close();
} catch (JMSException ex) {
log.error("Unexpected error.", ex);
Thanks for your help.
Edited by: vineet on Apr 7, 2011 10:06 AM

High CPU Utilization in 7603 router with RSP720-10GE

Hi everyone
We have a 7603 router with "RSP720-10GE" and we have high cpu utilization due to high amount of interrupts.
The output of “show cef drop” and “show ip cef switching statistics” commands show lots of packets that have been dropped by CEF.
But CEF is enabled on every physical interfaces and on every GRE tunnel that we have on this router.
As I understand the output of “show ip cef switching statistics” command shows some of the reasons for CEF dropping packets like “Routed to Null0” but I don’t know how to solve them. For example I can’t delete routes to Null0 because it’s going to cause routing loops in our network. Could you please help me

Hey,
The output shows high interrupt to CPU, So collect the last output multiple times to see if the DROP values are incrementing. Also configure NetDr captures to see what packets are punted to CPU. I am adding a link for same:
http://www.cisco.com/c/en/us/support/docs/switches/catalyst-6500-series-switches/116475-technote-product-00.html
HTH.
Regards,
RS

High CPU utilization with javascript

Has anyone noticed how Safari 10.4.4 has high CPU utilization (e.g. >60%) when javascript is enabled, particularly for certain websites? Opening FoxNews.com and a few Wired.com pages in separate tabs sends my Powerbook fans screaming. Disabling javascript brings utilization down to under 2%.
Any suggestions on how to fix this, or do I have to live with it? I prefer not to permanently disable javascript as a number of websites I frequent depend upon it, without consuming CPU.
Thanks,
Ira

Hi,
I agree that it's a function of the javascript code itself on the webpage, and not with the browser. It's possible to even write infinite loops in Javascript which can practically hang a web browser due to the high percentage of CPU cycles being consumed. I only knowingly encountered such a site once, when I was at a customer site with my PowerBook running on battery power. I unknowingly navigated to a site which apparently had some Javascript of some other executable code, which had the result of running my battery from about 95% charge to about 60% in about 10 minutes!
The only way to avoid this is to avoid the sites that cause this kind of problem, or to disable Javascript when visiting these sites. And if possible, send a complaint to the webmaster of the site. He/she might not be aware of this problem.
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NSAPI plugin has high CPU utilization on Sunone web server 6.0 SP5

Hi,
I am running WL 6.1 SP3 with pluginProxy SP03 on Sunone web server 6.0SP5 on Solaris.
Seeing very high CPU utilization with 3 threads running wl_proxy (about 33% each).
Any latest NSAPI pluginproxy patch I can use to fix this?
Walter

I'm having the same problems as all the above posts. I run a colloborative tool which uses IPlanet as a directory server and I receive the Event ID:25 Source: WebServer 6.0 error as well as Event ID:0 Source:https-admnserv6.0 which gives "the local computer may not have the necessary registry information or message DLL files to display messages from a remote computer". I have 3 servers built and all exhibit the same errors.

CB21AG High CPU Utilization

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Does anyone know anything about this?

It'd be hard to say anything for certain without seeing all the test stuff ... but it sounds like old or corrupt drivers / utilities.
There are some Microsoft-side patches / updates that may be useful as well.
Try reloading the (and / or updating) the drivers & utilities. If you're using Zero Wireless Config, try (at least for experimentation) the Cisco utilities (ADU) or vice-versa. It might narrow down which specific software modules are involved.
IF you have a spare card, it might also be worth a shot ... there could be a bad software component in EPROM that's causing the problem.
I believe some of the driver/utility updates include updated firmware loads for the NIC too.
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Scott

3G High CPU utilization when waking

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Now it pretty consistently is unresponsive when trying to wake it. By bringing up the System Activity Monitor App as soon as possible after powering it up, and leaving that app active when putting it to sleep I can see that the CPU gets slammed for a while during initial startup and has a significant period of very high CPU when waking. At this point I believe the cause of the unresponsive behavior is that the CPU is maxed out doing something.
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There are 2 things about the initial setup of this phone for my wife that are causing me some concern;
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Any other insight from others that have been through this?

I ended up restoring the 3G phone to Factory settings and then sync'ing the desired information / applications onto it (did not restore the previous backup). The behavior is improved but this phone does seem to get bogged down when waking (observing high CPU utilization when monitoring with System Activity Monitor and experiencing sluggish / jerky response to user actions with no applications or just Mail running). The periods of non-responsiveness are not as long or as severe at this point, but still noticeable.
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High CPU Utilization on Lync Mediation Servers -

All,
We are experiencing an issue for last couple of weeks where we are seeing very high CPU utilization on our Lync Mediation Servers (connected
directly to SIP gateway). It is resulting in a high Jitter value and so the poor call quality.
The CPU utilization is normal on mediation boxes on our other Lync hubs regardless of the number of inbound/outbound calls
but on new Lync hub, as soon as the call volume (inbound/outbound) reaches over ~10-15 calls, CPU peaks nearly 80%-90% utilization. To reduce the call volume, we have routed our outbound calls to different hub.
To resolve this we have already taken following troubleshooting actions:
Increase CPU Cores from 4 to 8 on original Mediation VM (The mediation boxes in other hubs have 4 CPU Cores and there is no issue)
Copied known good Mediation VM and replaced a mediation box on new Lync hub
Created new VM and deployed into Mediation Pool
Monitoring of HVH’s showed no resource allocation issue
No indication on Lync Logs or Monitoring reports as to the root cause of the issue
Raised this with our SIP suppliers to compare SIP configuration with all our SIPs and they came back with no differences.
Unfortunately, after all of the above actions, we have still seeing a high CPU utilization.
Can anyone suggest something which helps us to resolve this issue?
Any assistance appreciated
Cheers,
Hemat

Anti-virus exclusion list/exceptions properly configured on the affected Lync Mediation Servers? Using dynamic instead of fixed-size virtual disks? Is the host hypervisor on the official supported list (see
Windows Server Virtualization Validation Program)?
Also do check out the recently updated guide:
Planning a Lync Server 2013 Deployment on Virtual Servers
Thanks / rgds,
TechNet/MSDN Forum Moderator - http://www.leedesmond.com

Airport Process utilizing high CPU utilization

I currently have a 13 inch MacBook Pro i7 (2012 version). Recently I upgraded to Mavericks. After using the computer for a day after the upgrade, I began to notice it becoming very hot and the fans running very high. Looking at the running processes i noticed that a process called "airport" was running and utilizing high CPU times causing the heating up and fans running. Once I stopped this process, the laptop went back to operating at normal levels.
Unfortunately this issue began to come back several times....the "airport" process starting at any time and utilizing high CPU utilization....again only by killing this process fixed this issue.
After seeing this behavior over several days, I decised to wipe the drive and install a clean copy of Mavericks in the computer. Thought here was that possibly something did not carry over correctly from the upgrade from Mountain Lion to Mavericks. Unfortunely this did not correct the issue with the "airport" process as it still is continiung to launch at any time and spike the processor until I manually kill the process.
I do not recall this issue occuring while running Mountain Lion so it seems to be specific to Mavericks at this point.
I was hoping to hear if any other have experienced this type of issues while running Mavericks.

You should be able to find the information you are looking for from the default Total CPU Utilization Percentage monitor. This monitor has a built in diagnostic task that will kick off when an alert is triggered to list the top cpu consuming processes.
To find which processes were causing CPU to spike, simply review the State Change Events history in health explorer for the machine that was affected, for the Total CPU Utilization Percentage monitor. I have modified my second screen shot
to remove machine names, but you should get the idea. If a cpu monitor went from green to red, it will run the diagnostic task and list the process information and cpu usage at the time of the alert under state change events.

LMS 4.2.3 Server high CPU Utilization

Hi All,
We are observing high CPU utilization on the lms server. tomcat is the process eating more than 1GB of the memory i checked from the task manager.
Server details:
device license : 100
windows server 2k8 R2, with 8gb physical memory.
anybody suggest what might be causing the issue.?? because of this performance reports were affected.
Regards,
Channa

Hi Channa,
log into dbreader using the following::
http://servername : 1741/dbreader/dbreader.html
or
https:// servername : 443/dbreader/dbreader.html
user Id is DBA
Database Name is upm
password :: user defined (by default password is c2ky2k)
1. Here is the query to get the pollerwise managed MIBObjects:
"select count (*), PollerName from Poller_Details_Table a,Poller_Definition_Table b where a.PollerId = b.PollerId and b.Poller_State NOT IN (1) Group by b.PollerName;"
2. Here is the query to get the total mibobject count for the active pollers
“select count (*) from Poller_Details_Table a,Poller_Definition_Table b where a.PollerId =
b.PollerId and b.Poller_State NOT IN (1);”
Hope it will help
Thanks-
Afroz
***Ratings Encourages Contributors ***

Desktop Window Manager high CPU utilization

I have several Windows 2012 servers that are showing high CPU utilization (70% or higher) coming from the Desktop Window Manager. I do not have the Desktop Experience feature installed on these machines. The interesting thing is that the process
for dwm.exe does not show up as a service that I can stop or restart. I've read through the various posts about re-registering dmw.exe so that the service shows up again, but nothing has worked. Since these are application and file servers with
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Joe

Hi Joe,
Based on my research, On Windows 8 and Windows Server 2012, DWM is used at all times and cannot be disabled.
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Desktop Window Manager is always on:
To troubleshoot the high usage of CPU, I would like to recommend to follow this article to collect and analyse the relevant log files and dump files:
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I hope this helps.

WAAS experiencing high CPU utilization

We are monitoring WAAS devices for CPU utilization in our Network.Currently we have set the threshold for 70%. At this threshold we see a large number of alerts from WAAS crossing 70% CPU utilization. I guess 70% CPU utilization is normal for WAAS. Am I right???

Hi Daniel,
Yes, during the peak hours sometimes the CPU shoots even upto 95% and then in next 5 min comes down to normal below 70%.
Since our threshold is 70%, we get a lot of inactionable(because it becomes normal in 5-10 miinutes only) alert.I was wondering if we could change the threshold.
One of the Cisco Tac Engineer replied to the above question :
That is true. It is normal to have a high CPU utilization in normal Operation as we mentioned earlier it runs on underlying Linux kernel and linux does not use Page file rather it uses Maximum RAM that it could .
Regards,
Mohit

Seeing ASA 5540 with High CPU Utilization

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