Troubleshooting problems in production environment is to jmap dump or gcore dump jvm. Is there a problem?

is there a problem with jmap dump or gcore dump for jvm in production environment? Will
cause service stutters?
or since something has gone wrong, it is an investigation, and stutter is inevitable, so there is no problem with jmap dump or gcore dump, normal practice?

Feb.06,2022

troubleshooting the problem is that there is already a problem with the service, and it doesn't matter if Catton

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-64f5-1e47a96-4397b.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e47a96-4397b.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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