MySQL 5.7 Error Reading Communication Packet

  • I’ve got a few test systems up running MySQL 5.7, PHP-FPM 7.2/7.3/7.4 and NGINX. On all read connections, I get this error in the MySQL error.log.

    [Note] Got an error reading communication packets

    I’ve isolated it to the read connections, by having two physical DB servers and moving all reads to the slave. The error only ever occurs if the DB is configured for reads.

    Test systems are Ubuntu 18.04 and MySQL 5.7.29. I’ve run with PHP-FPM 7.2, 7.3 and 7.4. Using WordPress 5.3.2

    • This topic was modified 4 years, 9 months ago by wfscottb.
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