On Linux, you'll find the PID by using the PS command. On a standalone basic runtime, issue it on the server the basic runtime is installed on. On a runtime cluster (or on a cloud, if you want to see the heap usage of the controller JVM rather than a specific execution), issue...
You need to make sure to executejstackcommand from the same user as the java process. Please seeGetting "Unable to open socket file" message when executing jstack / jmap / jcmd and unable to generate a thread dump / heap dumpfor more details. There are known bugs related to using otherjs...
How do I take a screenshot or obtain an album using the hdc command? How do I query the MAC address on a HarmonyOS 2-in-1 device? How do I clear the application cache on the mobile phone using the hdc command? How do I wake up a device and view the screen status using the...
How do I query the allocated heap memory size and free heap memory size of an application? How do I obtain system logs when an application fault occurs? How do I use the hdc command to send a local file to a remote device? How do I check whether an application is a system appli...
The current recommendation when splitting a large file, such as a vmcore, into parts is to break the file into 1GB chunks as a starting point. If that still fails, fallback to 512m size and try again. The splitcommand can be used to break a large file into smaller chunks for upload ...
Case 1: Heapdump to Cluster Initial Access At the beginning of 2023, I published an article on my blog about Heapdump leading to unauthorized takeover of a cluster. If you are interested in the specific attack process, you can visit here for detailed information. In a nutshell, this artic...
In this section, you will install Logstash and download thePostgreSQL JDBC driverso that Logstash will be able to connect to your managed database. Begin by installing Logstash with the following command: sudoaptinstalllogstash-y Copy
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In the latest you could use a thread dump and Linux ps -eLf command to analyze which threads are active.The lsof command (lsof -p PID) could be used to verify if too many file descriptors are being created.Further ReferencesPlumbr - Unable to create new native threadPlumbr - Why does ...
when I try to use windbg, I get an error when using commands such as !heap -? saying that no heap was exported... and this dump was collected using the command ./dotnet-dump collect -p 1 which was supposed to be a full dump, right? and now that I mentioned it, VS only shows ...