How can the height of this dynamic picture be halved?

how to halve the height of this dynamic picture without affecting the clarity?
Please use the command line to implement it in linux.

Jul.28,2021
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-64f5-1bec886-31afb.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1bec886-31afb.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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