When the business thread pool is full, we need to know what resources/conditions are waiting for the thread , to find the bottleneck point of the system or abnormal point.
dubbo automatically export thread stack through
Jstack to keep the scene for easy to troubleshoot the problem.
Specified export file path:
# dubbo.properties =/tmp
<dubbo:application ...> <dubbo:parameter key="dump.directory" value="/tmp" /> </dubbo:application>