Centos reconnects how Shell reenters Gunicorn's master snooping

deploy Flask, on Centos7 using Gunicorn. At that time, there was master listening, and you can see that the client visited those pages.
exit and then use Shell to enter and you will not see this listening page. We now know which process master is, but is there any way to get back into the listening master process

MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1be6490-46829.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1be6490-46829.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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