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One of my cassandra cluster node shows following result when I do ‘top’
PID USER PR NI VIRT RES SHR S **%CPU** %MEM IME+ **COMMAND**
13351 root 20 0 20776 1476 324 R **100** 0.0 2646:32 **whiptail**
I have not started this “whiptail” (Dont even know what is it) and it is somehow started and consuming 100% of my CPU and making my node unreachable.
How can I get rid of this? If i kill it will it make system unstable or any harm?
Whiptail is often used to write interactive shell scripts. Also, there are several packages that use it –
Did you make any recent changes to the system? You can kill it using
kill -9 PID. If some package is using it then it would kick back in which might help you identify the root cause.