Idea always prints the reconnection log of redis, how to turn it off?

as shown in the picture, it is reconnected every 30 seconds. Is this normal?
if it is normal, how do I close this log?

The

log level can be set to error under this class.

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-64f5-1b36526-40590.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b36526-40590.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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