Using ElasticJob may meet some distributed problem which is not easy to observe.
Because of developer cannot debug in production environment, ElasticJob provide
dump command to export job runtime information for debugging.
For security reason, the information dumped had already mask sensitive information, it instead of real IP address to
Dump to stdout
echo "dump@jobName" | nc <job server IP address> 9888
Dump to file
echo "dump@jobName" | nc <job server IP address> 9888 > job_debug.txt