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The property that controls the threshold for the Resource Pool Limit Reached event is jmx-metric-threshold-percentage, which can be used to change the limit from the default of 80% to a higher or lower number. It requires a restart of the agent JVM t...
AppDynamics recommends using fio, a free tool for measuring disk I/O performance. Fio is meant to be used both for benchmark and stress/hardware verification. Fedora maintains builds of fio in their Extra Packages on Enterprise Linux (EPEL) reposito...
Symptoms On a Linux machine, using High Availability mode on the primary Controller or the single Controller on which service scripts are installed in non-High Availability mode, the command service appdcontroller start does not start the App Server....
What are the steps for setting up an alert to be notified when an AppDynamics agent is down? There are three steps to creating an agent-down alert. You will need to set a health rule, create an action, and then create a policy. Contents Set a healt...
Finding the load average calculated by a Java Agent on a Windows server requires the following data: ProcessorQueueLength counts how many threads are ready in the processor queue, but not currently able to use the processor. To find this value, la...
Symptoms While taking a metadata backup of the Controller using the ControllerMetadataBackup.sh script (as outlined in the Controller Data Backup and Restore documentation) it fails with error message: mysqldump: Got error: 2002: Can't connect to l...
Users can redirect requests from HTTP to the HTTPS Controller port on Linux using Iptables. In your computer terminal, replace eth0 with your actual interface name using the following command: sudo iptables -A PREROUTING -t nat -i eth0 -p tcp --dp...
To collect a thread dump for a Controller App Server process, use the Glassfish "asadmin" tool. In the computer terminal, use the command generate-jvm-report to generate a threadump.txt file. <controller_home>/appserver/glassfish/bin/asadmin -u ad...
Symptoms Server.log contains the following error message, while EUM metrics continue to be collected successfully: com.singularity.ee.controller.beans.eumcloud.MetricsCountLimit|_ThreadID=2909754;_ThreadName=Thread-5;|Metric name "EUM|Browser|Chro...
Symptoms Users who are configuring a snapshot repository to take backups of the Events Service cluster, as outlined in the documentation (Back Up Events Service Data), within a Windows environment may encounter the following error message: Command...
Question Why do I get a "401 unauthorized" error when running Platform Admin Application commands in version 4.3? Example: bin/platform-admin.sh show-platforms Command failed due to an error: Unauthorized API code 401 Session expired. Please lo...
Question How can a user capture mobile crash stack traces automatically using an API? Users may be gathering crash data from the mobile_crash_reports table using ADQL, but there is no stack trace information in this table. Stack trace data is ...
Disable HTTP listener Users who do not wish to delete http-listener-1 because they may want to use it later can disable the HTTP listener. Note: Starting Controller v4.4+, the changes need to be done using the Enterprise Console. Editing Controll...
Question Can I query a range of IP addresses when using ADQL to find browser records or session data? Answer It is not possible to query a range of IP addresses; however, users can add wildcard search to their query to achieve similar results. Ex...
What are the steps for disabling TLS versions 1.0 and 1.1 on the on-premises Controller? In this article...Disable TLS 1.0 and 1.1 | Test the Controller after disabling TLS 1.0 and 1.1 Disable TLS 1.0 and 1.1 Stop appserver<controller_home>/bin...
Symptoms The following error message can be found in the SSL-enabled debug logs for the EUM processor, while the processor is running and listening on port 7002: javax.net.ssl.SSLHandshakeException: no cipher suites in common The following error...
Symptoms EUM Server fails to start due to SSL Handshake error when the EUM account synchronizes to the analytics account. Example: 20 May 2017 16:24:50.174 +1000 main AD.ALL INFO ------start synchronize eum...
Problem You want to capture a heap dump of a Java process on Windows. You launch a command prompt with admin privileges and use "jmap," which is a command-line tool that prints memory-related statistics, but the command returns either an "Access Den...
When I can’t sign in to the AppDynamics Support portal, what are the steps to resetting my password? If you're having trouble signing in to AppDynamics Support portal and need to reset your password: Navigate to the Sign-in page at https://login...
When migrating an EUM Server from Windows to Linux, a user might incorrectly assume that the Controller is also migrated, which takes care of the MySQL backup. The Controller database and the EUM Processor store must be migrated separately. Users ...
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