Swoole multiprocess error Swoole\ Process::__construct (): handle

what does woole multiprocess error PHP Fatal error: SwooleProcess::__construct (): handle 10003328 exceed 10000000 mean? Exceeded the maximum limit? How will it turn out? I would like to ask you, my version of PHP 7.2.7 swoole 4.0.1-sharp-sharp-sharp problem description

May.11,2021
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-64f5-1e482be-44c96.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e482be-44c96.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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