mysql: If query fails with "MySQL server gone away", log also how long it idled.
mysql: If query fails with "MySQL server gone away", log also how long it idled.

LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot