in reply to DBI lost connection

Are you using DBD::mysql or DBD::MariaDB? IIRC there was an issue with the former that was resolved in the latter.

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Re^2: DBI lost connection
by luxs (Beadle) on Mar 05, 2020 at 11:36 UTC 
    use DBI;
my $dbh = DBI->connect( "DBI:mysql:database=".$config->{'mysql'}->{$db
+}->{'d'}.";host=".$config->{'mysql'}->{$db}->{'h'},
                          $config->{'mysql'}->{$db}->{'u'},
                          $config->{'mysql'}->{$db}->{'p'});
 $dbh->{'mysql_enable_utf8'} = 1;
 $dbh->do("SET NAMES 'utf8'");
 $dbh->{mysql_auto_reconnect} = 1;

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