Resolving hanging commands
This topic describes how to address queries that do not respond during the compilation phase in HiveServer2.
Condition
Queries hanging during compilation can significantly impact HiveServer2 performance and user experience. Understanding the underlying cause and applying appropriate configuration adjustments are essential for resolving such issues and ensuring stable query execution.
Queries do not respond during the compilation phase.
Cause
The thread pool configuration is often insufficient for handling concurrent client requests, leading to delays or commands that never complete.