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Warning message for lagging slave

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This commit is contained in:
Jean-Marie RENOUARD 2015-06-15 15:34:29 +02:00
parent 7d51d2f69e
commit c8043c2965
1 changed files with 9 additions and 5 deletions
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14
mysqltuner.pl
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@ -547,12 +547,16 @@ sub get_replication_status {
my $slave_status = `$mysqlcmd $mysqllogin -Bse "show slave status\\G"`; my $slave_status = `$mysqlcmd $mysqllogin -Bse "show slave status\\G"`;
my ($io_running) = ($slave_status =~ /slave_io_running\S*\s+(\S+)/i); my ($io_running) = ($slave_status =~ /slave_io_running\S*\s+(\S+)/i);
my ($sql_running) = ($slave_status =~ /slave_sql_running\S*\s+(\S+)/i); my ($sql_running) = ($slave_status =~ /slave_sql_running\S*\s+(\S+)/i);
my ($seconds_behind_master) = ($slave_status =~ /seconds_behind_master\S*\s+(\S+)/i);
if ($io_running eq 'Yes' && $sql_running eq 'Yes') { if ($io_running eq 'Yes' && $sql_running eq 'Yes') {
if ($myvar{'read_only'} eq 'OFF') { if ($myvar{'read_only'} eq 'OFF') {
badprint "This replication slave is running with the read_only option disabled."; badprint "This replication slave is running with the read_only option disabled.";
} else { } else {
goodprint "This replication slave is running with the read_only option enabled."; goodprint "This replication slave is running with the read_only option enabled.";
} }
if ($seconds_behind_master>0) {
badprint "This replication slave is lagging and slave has $seconds_behind_master second(s) behind master host.";
}
} }
} }
@ -1165,15 +1169,15 @@ print "\n >> MySQLTuner $tunerversion - Major Hayden <major\@mhtx.net>\n".
" >> Bug reports, feature requests, and downloads at http://mysqltuner.com/\n". " >> Bug reports, feature requests, and downloads at http://mysqltuner.com/\n".
" >> Run with '--help' for additional options and output filtering\n"; " >> Run with '--help' for additional options and output filtering\n";
mysql_setup; # Gotta login first mysql_setup; # Gotta login first
os_setup; # Set up some OS variables os_setup; # Set up some OS variables
get_all_vars; # Toss variables/status into hashes get_all_vars; # Toss variables/status into hashes
validate_mysql_version; # Check current MySQL version validate_mysql_version; # Check current MySQL version
check_architecture; # Suggest 64-bit upgrade check_architecture; # Suggest 64-bit upgrade
check_storage_engines; # Show enabled storage engines check_storage_engines; # Show enabled storage engines
security_recommendations; # Display some security recommendations security_recommendations; # Display some security recommendations
calculations; # Calculate everything we need calculations; # Calculate everything we need
mysql_stats; # Print the server stats mysql_stats; # Print the server stats
make_recommendations; # Make recommendations based on stats make_recommendations; # Make recommendations based on stats
# --------------------------------------------------------------------------- # ---------------------------------------------------------------------------
# END 'MAIN' # END 'MAIN'
# --------------------------------------------------------------------------- # ---------------------------------------------------------------------------