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Edit File: mariadb-report
#!/usr/bin/perl # mariadb-report v4.0 Oct 23 2015 # renamed to from mysqlreport in 2020 # http://hackmysql.com/mysqlreport # mariadb-report makes an easy-to-read report of important MySQL/MariaDB status values. # Copyright 2006-2008 Daniel Nichter # Copyright 2012-2015 Jean Weisbuch # # This program is free software; you can redistribute it and/or # modify it under the terms of the GNU General Public License # as published by the Free Software Foundation; either version 2 # of the License, or (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # The GNU General Public License is available at: # http://www.gnu.org/copyleft/gpl.html use strict; use File::Temp qw(tempfile); use DBI; use Getopt::Long; eval { require Term::ReadKey; }; my $RK = ($@ ? 0 : 1); sub have_op; my $WIN = ($^O eq 'MSWin32' ? 1 : 0); my %op; my %mycnf; # ~/.my.cnf my ($tmpfile_fh, $tmpfile); my ($stat_name, $stat_val, $stat_label); my $MySQL_version; my (%stats, %vars); # SHOW STATUS, SHOW VARIABLES my (%DMS_vals, %Com_vals, %ib_vals); my $dbh; my ($questions, $key_read_ratio, $key_write_ratio, $dms, $slow_query_t); my ($key_cache_block_size, $key_buffer_used, $key_buffer_usage); my ($qc_mem_used, $qc_hi_r, $qc_ip_r); # Query Cache my ($ib_bp_used, $ib_bp_total, $ib_bp_read_ratio); my ($relative_live, $relative_infiles); my $real_uptime; my (%stats_present, %stats_past); # For relative reports my ($pagecache_read_ratio, $pagecache_write_ratio, $pagecache_block_size, $pagecache_buffer_used, $pagecache_buffer_usage); # AriaDB pagecache stats my ($binlog_cache_ratio, $binlog_stmt_cache_ratio); # binary log cache my $dbms; my ($rows, $rows_using_indexes); GetOptions ( \%op, "user=s", "password:s", "host=s", "port=s", "socket=s", "no-mycnf", "infile|in=s", "outfile=s", "flush-status", "email=s", "r|relative:i", "c|report-count=i", "detach", "help|?", "debug" ); show_help_and_exit() if $op{'help'}; get_user_mycnf() unless $op{'no-mycnf'}; # Command line options override ~/.my.cnf $mycnf{'host'} = $op{'host'} if have_op 'host'; $mycnf{'port'} = $op{'port'} if have_op 'port'; $mycnf{'socket'} = $op{'socket'} if have_op 'socket'; $mycnf{'user'} = $op{'user'} if have_op 'user'; $mycnf{'user'} ||= $ENV{'USER'}; if(exists $op{'password'}) { if($op{'password'} eq '') # Prompt for password { Term::ReadKey::ReadMode(2) if $RK; print "Password for database user $mycnf{'user'}: "; chomp($mycnf{'pass'} = <STDIN>); Term::ReadKey::ReadMode(0), print "\n" if $RK; } else { $mycnf{'pass'} = $op{'password'}; } # Use password given on command line } $op{'com'} ||= 3; $op{'c'} ||= 1; # Used in collect_reports() if --r given integer value $relative_live = 0; $relative_infiles = 0; if(defined $op{'r'}) { if($op{r}) { $relative_live = 1; } # if -r was given an integer value else { $relative_infiles = 1; } } # The report is written to a tmp file first. # Later it will be moved to $op{'outfile'} or emailed $op{'email'} if needed. ($tmpfile_fh, $tmpfile) = tempfile() or die "Cannot open temporary file for writing: $!\n"; if($op{'detach'}) { $SIG{'TERM'} = 'sig_handler'; if(fork()) { print "mariadb-report has forked and detached.\n"; print "While running detached, mariadb-report writes reports to '$tmpfile'.\n"; exit; } open(STDIN, "</dev/null"); open(STDOUT, "> $tmpfile") or die "Cannot dup STDOUT: $!\n"; open(STDERR, "> $tmpfile") or die "Cannot dup STDERR: $!\n"; } select $tmpfile_fh; $| = 1 if ($op{'detach'} || $relative_live); print "tmp file: $tmpfile\n" if $op{debug}; # Connect to MySQL/MariaDB if(!$op{'infile'} && !$relative_infiles) { connect_to_MySQL(); } my $have_innodb_vals = 1; # This might be set to 0 later in get_MySQL_version() my $have_aria_vals = 0; my $have_subquerycache_vals = 0; my $have_binlog_vals = 0; my $use_thread_pool = 0; if(defined $op{'r'}) { if($relative_live) { print STDERR "mariadb-report is writing relative reports to '$tmpfile'.\n" unless $op{'detach'}; get_MySQL_version(); collect_reports(); } if($relative_infiles) { read_relative_infiles(); } } else { if(!$op{'infile'}) { get_MySQL_version(); get_vals(); get_vars(); } else { read_infile($op{'infile'}); } get_Com_values(); set_myisam_vals(); set_ib_vals() if $have_innodb_vals; set_aria_vals() if $have_aria_vals; set_subquerycache_vals() if $have_subquerycache_vals; set_binlog_vals() if $have_binlog_vals; write_report(); } exit_tasks_and_cleanup(); exit; # # Subroutines # sub show_help_and_exit { print <<"HELP"; mariadb-report v4.0 Oct 23 2015 mariadb-report makes an easy-to-read report of important MySQL/MariaDB status values. Command line options (abbreviations work): --user USER Connect to MySQL as USER --password PASS Use PASS or prompt for MySQL user's password --host ADDRESS Connect to MySQL at ADDRESS --port PORT Connect to MySQL at PORT --socket SOCKET Connect to MySQL at SOCKET --no-mycnf Don't read ~/.my.cnf --infile FILE Read status values from FILE instead of MySQL --outfile FILE Write report to FILE --email ADDRESS Email report to ADDRESS (doesn't work on Windows) --flush-status Issue FLUSH STATUS; after getting current values --relative X Generate relative reports. If X is an integer, reports are live from the MySQL server X seconds apart. If X is a list of infiles (file1 file2 etc.), reports are generated from the infiles in the order that they are given. --report-count N Collect N number of live relative reports (default 1) --detach Fork and detach from terminal (run in background) --help Prints this --debug Print debugging information Visit http://hackmysql.com/mysqlreport for more information. HELP exit; } sub get_user_mycnf { print "get_user_mycnf\n" if $op{debug}; return if $WIN; open MYCNF, "$ENV{HOME}/.my.cnf" or return; while(<MYCNF>) { if(/^(.+?)\s*=\s*"?(.+?)"?\s*$/) { $mycnf{$1} = $2; print "get_user_mycnf: read '$1 = $2'\n" if $op{debug}; } } $mycnf{'pass'} ||= $mycnf{'password'} if exists $mycnf{'password'}; close MYCNF; } sub connect_to_MySQL { print "connect_to_MySQL\n" if $op{debug}; if(my @driverList = grep {/mariadb|mysql/i} DBI->available_drivers()) { my $dsn; my $driver = undef; if(grep {/mariadb/i} @driverList) { $driver = "DBI:MariaDB"; } elsif(grep {/mysql/i} @driverList) { $driver = "DBI:mysql"; } if($mycnf{'socket'} && -S $mycnf{'socket'}) { if(grep {/mariadb/i} @driverList) { $dsn = $driver . ":mariadb_socket=$mycnf{socket}"; } elsif(grep {/mysql/i} @driverList) { $dsn = $driver . ":mysql_socket=$mycnf{socket}"; } } elsif($mycnf{'host'}) { $dsn = $driver . ":host=$mycnf{host}" . ($mycnf{port} ? ";port=$mycnf{port}" : ""); } else { $dsn = $driver . ":host=localhost"; } print "connect_to_MySQL: DBI DSN: " . $dsn . "\n" if $op{debug}; $dbh = DBI->connect($dsn, $mycnf{'user'}, $mycnf{'pass'}) or die; } else { print STDERR "Install Perl 5.x driver: DBD:mysql or DBD:MariaDB\n"; print STDERR "currently installed Perl DBD drivers:\n"; foreach my $driver (DBI->available_drivers()) { print STDERR " * " . $driver . "\n"; } print STDERR "\n"; die("Exit as no MariaDB DBI driver found!\n"); } } sub collect_reports { print "collect_reports\n" if $op{debug}; my $i; get_vals(); get_vars(); get_Com_values(); %stats_past = %stats; set_myisam_vals(); set_ib_vals() if $have_innodb_vals; set_aria_vals() if $have_aria_vals; set_subquerycache_vals() if $have_subquerycache_vals; set_binlog_vals() if $have_binlog_vals; print "#\n# Beginning report, 0 0:0:0\n#\n"; write_report(); for($i = 0; $i < $op{'c'}; $i++) { $dbh->disconnect(); sleep($op{'r'}); connect_to_MySQL(); print "\n#\n# Interval report " , $i + 1 , ", +", sec_to_dhms(($i + 1) * $op{'r'}), "\n#\n"; get_vals(); write_relative_report(); } } sub read_relative_infiles { print "read_relative_infiles\n" if $op{debug}; my $slurp; # Used to check infiles for multiple sets of status values my $n_stats; # Number of multiple sets of status values in an infile my $infile; my $report_n; # Report number $report_n = 1; foreach $infile (@ARGV) { # Read all of infile into $slurp open INFILE, "< $infile" or warn and next; $slurp = do { local $/; <INFILE> }; close INFILE; $n_stats = 0; # Count number of status value sets $n_stats++ while $slurp =~ /Aborted_clients/g; print "read_relative_infiles: found $n_stats sets of status values in file '$infile'\n" if $op{debug}; if($n_stats == 1) { read_infile($infile); relative_infile_report($report_n++); } if($n_stats > 1) { my @tmpfile_fh; my @tmpfile_name; my $i; my $stat_n; # Status value set number # Create a tmp file for each set of status values for($i = 0; $i < $n_stats; $i++) { my ($fh, $name) = tempfile() or die "read_relative_infiles: cannot open temporary file for writing: $!\n"; push(@tmpfile_fh, $fh); push(@tmpfile_name, $name); print "read_relative_infiles: created tmp file '$name' for set $i\n" if $op{debug}; } $i = 0; $stat_n = 0; select $tmpfile_fh[$i]; # Read infile again and copy each set of status values to separate tmp files open INFILE, "< $infile" or warn and next; while(<INFILE>) { next if /^\+/; next if /^$/; # The infile must begin with the system variable values. # Therefore, the first occurrence of Aborted_clients indicates the beginning # of the first set of status values if no sets have occurred yet ($stat_n == 0). # In this case, the following status values are printed to the current fh, # along with the system variable values read thus far, until Aborted_clients # occurs again. Then begins the second and subsequent sets of status values. if(/Aborted_clients/) { print and next if $stat_n++ == 0; select $tmpfile_fh[++$i]; } print; } close INFILE; # Re-select the main tmp file into which the reports are being written. select $tmpfile_fh; for($i = 0; $i < $n_stats; $i++) { close $tmpfile_fh[$i]; print "read_relative_infiles: reading set $i tmp file '$tmpfile_name[$i]'\n" if $op{debug}; read_infile($tmpfile_name[$i]); relative_infile_report($report_n++); if($WIN) { `del $tmpfile_name[$i]`; } else { `rm -f $tmpfile_name[$i]`; } print "read_relative_infiles: deleted set $i tmp file '$tmpfile_name[$i]'\n" if $op{debug}; } } # if($n_stats > 1) } # foreach $infile (@files) } sub relative_infile_report { print "relative_infile_report\n" if $op{debug}; my $report_n = shift; if($report_n == 1) { get_Com_values(); %stats_past = %stats; set_myisam_vals(); set_ib_vals() if $have_innodb_vals; set_aria_vals() if $have_aria_vals; set_subquerycache_vals() if $have_subquerycache_vals; set_binlog_vals() if $have_binlog_vals; print "#\n# Beginning report, 0 0:0:0\n#\n"; write_report(); } else { print "\n#\n# Interval report ", $report_n - 1, ", +", sec_to_dhms($stats{Uptime} - $stats_past{Uptime}), "\n#\n"; write_relative_report(); } } sub get_vals { print "get_vals\n" if $op{debug}; my (@row, $query); # Get status values if($MySQL_version >= 50002) { $query = $dbh->prepare("SHOW GLOBAL STATUS;"); } else { $query = $dbh->prepare("SHOW STATUS;"); } $query->execute(); # To avoid problems if the variable capitalization would change (eg. TokuDB on MariaDB 5.5 => 10.0), the $stats index is forced to have its first char uppercase and the rest lowercase while(@row = $query->fetchrow_array()) { $stats{ucfirst(lc($row[0]))} = $row[1]; } $query->finish(); $real_uptime = $stats{'Uptime'}; } sub get_vars { print "get_vars\n" if $op{debug}; my (@row, $query); # Get server system variables $query = $dbh->prepare("SHOW VARIABLES;"); $query->execute(); while(@row = $query->fetchrow_array()) { $vars{$row[0]} = $row[1]; } $query->finish(); # table_cache was renamed to table_open_cache in MySQL 5.1.3 if($MySQL_version >= 50103) { $vars{'table_cache'} = $vars{'table_open_cache'}; } # log_slow_queries was renamed to slow_query_log in MySQL 5.1.29 if($MySQL_version >= 50129) { $vars{'log_slow_queries'} = $vars{'slow_query_log'}; } } sub read_infile { print "read_infile\n" if $op{debug}; my $infile = shift; # Default required system variable values if not set in INFILE. # As of mysqlreport v3.5 the direct output from SHOW VARIABLES; # can be put into INFILE instead. See http://hackmysql.com/mysqlreportdoc # for details. $vars{'version'} = "0.0.0" if !exists $vars{'version'}; $vars{'table_cache'} = 64 if !exists $vars{'table_cache'}; $vars{'max_connections'} = 100 if !exists $vars{'max_connections'}; $vars{'key_buffer_size'} = 8388600 if !exists $vars{'key_buffer_size'}; # 8M $vars{'thread_cache_size'} = 0 if !exists $vars{'thread_cache_size'}; $vars{'tmp_table_size'} = 0 if !exists $vars{'tmp_table_size'}; $vars{'long_query_time'} = '?' if !exists $vars{'long_query_time'}; $vars{'log_slow_queries'} = '?' if !exists $vars{'log_slow_queries'}; # One should also add: # key_cache_block_size # query_cache_size # to INFILE if needed. open INFILE, "< $infile" or die "Cannot open INFILE '$infile': $!\n"; while(<INFILE>) { last if !defined $_; next if /^\+/; # skip divider lines next if /^$/; # skip blank lines next until /(Aborted_clients|back_log|=)/; if($1 eq 'Aborted_clients') # status values { print "read_infile: start stats\n" if $op{debug}; while($_) { chomp; if(/([A-Za-z_]+)[\s\t|]+(\d+)/) { $stats{$1} = $2; print "read_infile: save $1 = $2\n" if $op{debug}; } else { print "read_infile: ignore '$_'\n" if $op{debug}; } last if $1 eq 'Uptime'; # exit while() if end of status values $_ = <INFILE>; # otherwise, read next line of status values } } elsif($1 eq 'back_log') # system variable values { print "read_infile: start vars\n" if $op{debug}; while($_) { chomp; if(/([A-Za-z_]+)[\s\t|]+([\w\.\-]+)/) # This will exclude some vars { # like pid_file which we don't need $vars{$1} = $2; print "read_infile: save $1 = $2\n" if $op{debug}; } else { print "read_infile: ignore '$_'\n" if $op{debug}; } last if $1 eq 'wait_timeout'; # exit while() if end of vars $_ = <INFILE>; # otherwise, read next line of vars } } elsif($1 eq '=') # old style, manually added system variable values { print "read_infile: start old vars\n" if $op{debug}; while($_ && $_ =~ /=/) { chomp; if(/^\s*(\w+)\s*=\s*([0-9.]+)(M*)\s*$/) # e.g.: key_buffer_size = 128M { $vars{$1} = ($3 ? $2 * 1024 * 1024 : $2); print "read_infile: read '$_' as $1 = $vars{$1}\n" if $op{debug}; } else { print "read_infile: ignore '$_'\n" if $op{debug}; } $_ = <INFILE>; # otherwise, read next line of old vars } redo; } else { print "read_infile: unrecognized line: '$_'\n" if $op{debug}; } } close INFILE; $real_uptime = $stats{'Uptime'}; $vars{'table_cache'} = $vars{'table_open_cache'} if exists $vars{'table_open_cache'}; get_MySQL_version(); } sub get_MySQL_version { print "get_MySQL_version\n" if $op{debug}; return if $MySQL_version; my ($major, $minor, $patch); if($op{'infile'} || $relative_infiles) { ($major, $minor, $patch) = ($vars{'version'} =~ /^(\d{1,2})\.(\d{1,2})\.(\d{1,2})/); if($vars{'version'} =~ /^\d{1,2}\.\d{1,2}\.\d{1,2}-MariaDB/) { print "MariaDB detected\n" if $op{debug}; $dbms = "MariaDB"; } else { $dbms = "MySQL"; } } else { my (@row, $query); $query = $dbh->prepare("SHOW VARIABLES LIKE 'version';"); $query->execute(); @row = $query->fetchrow_array(); $query->finish(); ($major, $minor, $patch) = ($row[1] =~ /^(\d{1,2})\.(\d{1,2})\.(\d{1,2})/); if($row[1] =~ /^\d{1,2}\.\d{1,2}\.\d{1,2}-MariaDB/) { print "MariaDB detected\n" if $op{debug}; $dbms = "MariaDB"; } else { $dbms = "MySQL"; } } # The major version number is kept as is while the minor version and the revision number are forced to 2 digits # e.g.: 5.5.9 will be 50509, 10.0.5 will be 100005 and 10.1.23 will be 100123 $MySQL_version = sprintf("%d%02d%02d", $major, $minor, $patch); print "Version $MySQL_version\n" if $op{debug}; # Innodb_ status values were added in 5.0.2 if($MySQL_version < 50002) { $have_innodb_vals = 0; print "get_MySQL_version: no InnoDB reports because MySQL version is older than 5.0.2\n" if $op{debug}; } else { $have_innodb_vals = $dbh->selectall_arrayref("SELECT SUPPORT FROM information_schema.engines WHERE ENGINE = 'InnoDB';", undef)->[0][0]; if(defined($have_innodb_vals) && ($have_innodb_vals eq "YES" || $have_innodb_vals eq "DEFAULT")) { print "InnoDB detected\n" if $op{debug}; $have_innodb_vals = 1; } else { print "InnoDB is not activated\n" if $op{debug}; $have_innodb_vals = 0; } } if($dbms eq "MariaDB") { $have_aria_vals = $dbh->selectall_arrayref("SELECT SUPPORT FROM information_schema.engines WHERE ENGINE = 'Aria';", undef)->[0][0]; if(defined($have_aria_vals) && $have_aria_vals eq "YES") { print "Aria engine detected\n" if $op{debug}; $have_aria_vals = 1; } else { $have_aria_vals = 0; } # MariaDB 5.3+, activated by default since 5.3.2 $have_subquerycache_vals = $dbh->selectall_arrayref("SELECT VARIABLE_VALUE REGEXP ',subquery_cache=on,|^subquery_cache=on,|,subquery_cache=on\$' AS SUBQUERY_CACHE FROM information_schema.global_variables WHERE VARIABLE_NAME = 'optimizer_switch';", undef)->[0][0]; if(defined($have_subquerycache_vals) && $have_subquerycache_vals eq "1") { print "Subquery cache is activated\n" if $op{debug}; $have_subquerycache_vals = 1; } else { $have_subquerycache_vals = 0; } } if($MySQL_version >= 50000) { # These checks use the 'information_schema' virtual database that has been added on MySQL 5.0 # MariaDB 5.5.21+ and Percona Server 5.5.30+ use the same thread pool implementation $use_thread_pool = $dbh->selectall_arrayref("SELECT VARIABLE_VALUE FROM information_schema.global_variables WHERE VARIABLE_NAME = 'thread_handling';", undef)->[0][0]; if(defined($use_thread_pool) && $use_thread_pool eq "pool-of-threads") { print "Thread pool is used\n" if $op{debug}; $use_thread_pool = 1; } else { $use_thread_pool = 0; } $have_binlog_vals = $dbh->selectall_arrayref("SELECT VARIABLE_VALUE FROM information_schema.global_variables WHERE VARIABLE_NAME = 'log_bin';", undef)->[0][0]; if(defined($have_binlog_vals) && $have_binlog_vals eq "ON") { print "Binary log is activated\n" if $op{debug}; $have_binlog_vals = 1; } else { $have_binlog_vals = 0; } } } sub set_myisam_vals { print "set_myisam_vals\n" if $op{debug}; # should be moved elsewhere $questions = $stats{'Questions'}; $key_read_ratio = sprintf "%.2f", ($stats{'Key_read_requests'} ? 100 - ($stats{'Key_reads'} / $stats{'Key_read_requests'}) * 100 : 0); $key_write_ratio = sprintf "%.2f", ($stats{'Key_write_requests'} ? 100 - ($stats{'Key_writes'} / $stats{'Key_write_requests'}) * 100 : 0); $key_cache_block_size = (defined $vars{'key_cache_block_size'} ? $vars{'key_cache_block_size'} : 1024); $key_buffer_used = $stats{'Key_blocks_used'} * $key_cache_block_size; if(defined $stats{'Key_blocks_unused'}) # MySQL 4.1.2+ { $key_buffer_usage = $vars{'key_buffer_size'} - ($stats{'Key_blocks_unused'} * $key_cache_block_size); } else { $key_buffer_usage = -1; } # Data Manipulation Statements: http://dev.mysql.com/doc/refman/5.0/en/data-manipulation.html %DMS_vals = ( SELECT => $stats{'Com_select'}, INSERT => $stats{'Com_insert'} + $stats{'Com_insert_select'}, REPLACE => $stats{'Com_replace'} + $stats{'Com_replace_select'}, UPDATE => $stats{'Com_update'} + (exists $stats{'Com_update_multi'} ? $stats{'Com_update_multi'} : 0), DELETE => $stats{'Com_delete'} + (exists $stats{'Com_delete_multi'} ? $stats{'Com_delete_multi'} : 0) ); $dms = $DMS_vals{SELECT} + $DMS_vals{INSERT} + $DMS_vals{REPLACE} + $DMS_vals{UPDATE} + $DMS_vals{DELETE}; $slow_query_t = format_u_time($vars{long_query_time}); } sub set_ib_vals { print "set_ib_vals\n" if $op{debug}; $ib_bp_used = ($stats{'Innodb_buffer_pool_pages_total'} - $stats{'Innodb_buffer_pool_pages_free'}) * $stats{'Innodb_page_size'}; $ib_bp_total = $stats{'Innodb_buffer_pool_pages_total'} * $stats{'Innodb_page_size'}; $ib_bp_read_ratio = sprintf "%.2f", ($stats{'Innodb_buffer_pool_read_requests'} ? 100 - ($stats{'Innodb_buffer_pool_reads'} / $stats{'Innodb_buffer_pool_read_requests'}) * 100 : 0); } sub set_aria_vals { print "set_aria_vals\n" if $op{debug}; $pagecache_read_ratio = sprintf "%.2f", ($stats{'Aria_pagecache_read_requests'} ? 100 - ($stats{'Aria_pagecache_reads'} / $stats{'Aria_pagecache_read_requests'}) * 100 : 0); $pagecache_write_ratio = sprintf "%.2f", ($stats{'Aria_pagecache_write_requests'} ? 100 - ($stats{'Aria_pagecache_writes'} / $stats{'Aria_pagecache_write_requests'}) * 100 : 0); $pagecache_block_size = (defined $vars{'aria_block_size'} ? $vars{'aria_block_size'} : 1024); $pagecache_buffer_used = $stats{'Aria_pagecache_blocks_used'} * $pagecache_block_size; $pagecache_buffer_usage = $vars{'aria_pagecache_buffer_size'} - ($stats{'Aria_pagecache_blocks_unused'} * $pagecache_block_size); } sub set_subquerycache_vals { print "set_subquerycache_vals\n" if $op{debug}; } sub set_binlog_vals { print "set_binlog_vals\n" if $op{debug}; if($stats{'Binlog_cache_use'} gt 0) { $binlog_cache_ratio = $stats{'Binlog_cache_disk_use'} / $stats{'Binlog_cache_use'}; } else { $binlog_cache_ratio = 0; } if(defined($stats{'Binlog_stmt_cache_use'}) && $stats{'Binlog_stmt_cache_use'} gt 0) { $binlog_stmt_cache_ratio = $stats{'Binlog_stmt_cache_disk_use'} / $stats{'Binlog_stmt_cache_use'}; } else { $binlog_stmt_cache_ratio = 0; } } sub write_relative_report { print "write_relative_report\n" if $op{debug}; %stats_present = %stats; for(keys %stats) { if($stats_past{$_} =~ /\d+/) { if($stats_present{$_} >= $stats_past{$_}) # Avoid negative values { $stats{$_} = $stats_present{$_} - $stats_past{$_}; } } } # These values are either "at present" or "high water marks". # Therefore, it is more logical to not relativize these values. # Doing otherwise causes strange and misleading values. $stats{'Key_blocks_used'} = $stats_present{'Key_blocks_used'}; $stats{'Open_tables'} = $stats_present{'Open_tables'}; $stats{'Max_used_connections'} = $stats_present{'Max_used_connections'}; $stats{'Threads_running'} = $stats_present{'Threads_running'}; $stats{'Threads_connected'} = $stats_present{'Threads_connected'}; $stats{'Threads_cached'} = $stats_present{'Threads_cached'}; $stats{'Qcache_free_blocks'} = $stats_present{'Qcache_free_blocks'}; $stats{'Qcache_total_blocks'} = $stats_present{'Qcache_total_blocks'}; $stats{'Qcache_free_memory'} = $stats_present{'Qcache_free_memory'}; if($have_innodb_vals) { $stats{'Innodb_page_size'} = $stats_present{'Innodb_page_size'}; $stats{'Innodb_buffer_pool_pages_data'} = $stats_present{'Innodb_buffer_pool_pages_data'}; $stats{'Innodb_buffer_pool_pages_dirty'} = $stats_present{'Innodb_buffer_pool_pages_dirty'}; $stats{'Innodb_buffer_pool_pages_free'} = $stats_present{'Innodb_buffer_pool_pages_free'}; $stats{'Innodb_buffer_pool_pages_latched'} = $stats_present{'Innodb_buffer_pool_pages_latched'}; $stats{'Innodb_buffer_pool_pages_misc'} = $stats_present{'Innodb_buffer_pool_pages_misc'}; $stats{'Innodb_buffer_pool_pages_total'} = $stats_present{'Innodb_buffer_pool_pages_total'}; $stats{'Innodb_data_pending_fsyncs'} = $stats_present{'Innodb_data_pending_fsyncs'}; $stats{'Innodb_data_pending_reads'} = $stats_present{'Innodb_data_pending_reads'}; $stats{'Innodb_data_pending_writes'} = $stats_present{'Innodb_data_pending_writes'}; # Innodb_row_lock_ values were added in MySQL 5.0.3 if($MySQL_version >= 50003) { $stats{'Innodb_row_lock_current_waits'} = $stats_present{'Innodb_row_lock_current_waits'}; $stats{'Innodb_row_lock_time_avg'} = $stats_present{'Innodb_row_lock_time_avg'}; $stats{'Innodb_row_lock_time_max'} = $stats_present{'Innodb_row_lock_time_max'}; } } if($have_aria_vals) { $stats{'Aria_pagecache_blocks_used'} = $stats_present{'Aria_pagecache_blocks_used'}; } get_Com_values(); %stats_past = %stats_present; set_myisam_vals(); set_ib_vals() if $have_innodb_vals; set_aria_vals() if $have_aria_vals; set_subquerycache_vals() if $have_subquerycache_vals; set_binlog_vals() if $have_binlog_vals; write_report(); } sub write_report { print "write_report\n" if $op{debug}; $~ = 'MYSQL_TIME', write; $~ = 'KEY_BUFF_MAX', write; if($key_buffer_usage != -1) { $~ = 'KEY_BUFF_USAGE', write } $~ = 'KEY_RATIOS', write; write_DTQ(); $~ = 'SLOW_DMS', write; write_DMS(); write_Com(); write_Rows(); $~ = 'SAS', write; write_qcache(); $~ = 'REPORT_END', write; $~ = 'THREADS', write; if($use_thread_pool) { $~ = 'THREADPOOL', write; } else { $~ = 'THREADPERCONNECTION', write; } $~ = 'TAB', write; write_InnoDB() if $have_innodb_vals; write_Aria() if $have_aria_vals; write_Subquerycache() if $have_subquerycache_vals; write_Binlog() if $have_binlog_vals; } sub sec_to_dhms # Seconds to days+hours:minutes:seconds { my $s = shift; my ($d, $h, $m) = (0, 0, 0); return '0 0:0:0' if $s <= 0; if($s >= 86400) { $d = int $s / 86400; $s -= $d * 86400; } if($s >= 3600) { $h = int $s / 3600; $s -= $h * 3600; } $m = int $s / 60; $s -= $m * 60; return "$d+$h:$m:$s"; } sub make_short { my ($number, $kb, $d) = @_; my $n = 0; my $short; $d ||= 2; if($kb) { while ($number > 1023) { $number /= 1024; $n++; }; } else { while ($number > 999) { $number /= 1000; $n++; }; } $short = sprintf "%.${d}f%s", $number, ('','k','M','G','T')[$n]; if($short =~ /^(.+)\.(00)$/) { return $1; } # 12.00 -> 12 but not 12.00k -> 12k return $short; } # What began as a simple but great idea has become the new standard: # long_query_time in microseconds. For MySQL 5.1.21+ this is now # standard. For 4.1 and 5.0 patches, the architects of this idea # provide: http://www.mysqlperformanceblog.com/mysql-patches/ # Relevant notes in MySQL manual: # http://dev.mysql.com/doc/refman/5.1/en/slow-query-log.html # # The format_u_time sub simply beautifies long_query_time. sub format_u_time # format microsecond (µ) time value { # 0.000000 - 0.000999 = 0 - 999 µ # 0.001000 - 0.999999 = 1 ms - 999.999 ms # 1.000000 - n.nnnnnn = 1 s - n.nnnnn s my $t = shift; my $f; # formatted µ time my $u = chr(($WIN ? 230 : 181)); $t = 0 if $t < 0; if($t > 0 && $t <= 0.000999) { $f = ($t * 1000000) . " $u"; } elsif($t >= 0.001000 && $t <= 0.999999) { $f = ($t * 1000) . ' ms'; } elsif($t >= 1) { $f = ($t * 1) . ' s'; # * 1 to remove insignificant zeros } else { $f = 0; # $t should = 0 at this point } return $f; } sub perc # Percentage { my($is, $of) = @_; $is = 0 if (not defined $is); return sprintf "%.2f", ($is * 100) / ($of ||= 1); } sub t # Time average per second { my $val = shift; return 0 if !$val; return(make_short($val / $stats{'Uptime'}, 0, 1)); } sub email_report # Email given report to $op{'email'} { print "email_report\n" if $op{debug}; return if $WIN; my $report = shift; open SENDMAIL, "|/usr/sbin/sendmail -t"; print SENDMAIL "From: mariadb-report\n"; print SENDMAIL "To: $op{email}\n"; print SENDMAIL "Subject: $dbms status report on " . ($mycnf{'host'} || 'localhost') . "\n\n"; print SENDMAIL `cat $report`; close SENDMAIL; } sub cat_report # Print given report to screen { print "cat_report\n" if $op{debug}; my $report = shift; my @report; open REPORT, "< $report"; @report = <REPORT>; close REPORT; print @report; } sub get_Com_values { print "get_Com_values\n" if $op{debug}; %Com_vals = (); # Make copy of just the Com_ values for(keys %stats) { if(grep /^Com_/, $_ and $stats{$_} > 0) { /^Com_(.*)/; $Com_vals{$1} = $stats{$_}; } } # Remove DMS values delete $Com_vals{'select'}; delete $Com_vals{'insert'}; delete $Com_vals{'insert_select'}; delete $Com_vals{'replace'}; delete $Com_vals{'replace_select'}; delete $Com_vals{'update'}; delete $Com_vals{'update_multi'} if exists $Com_vals{'update_multi'}; delete $Com_vals{'delete'}; delete $Com_vals{'delete_multi'} if exists $Com_vals{'delete_multi'}; } sub write_DTQ # Write DTQ report in descending order by values { print "write_DTQ\n" if $op{debug}; $~ = 'DTQ'; my %DTQ; my $first = 1; # Total Com values $stat_val = 0; for(values %Com_vals) { $stat_val += $_; } $DTQ{'Com_'} = $stat_val; $DTQ{'DMS'} = $dms; $DTQ{'QC Hits'} = $stats{'Qcache_hits'} if $stats{'Qcache_hits'} != 0; $DTQ{'COM_QUIT'} = int (($stats{'Connections'} - 2) - ($stats{'Aborted_clients'} / 2)); $stat_val = 0; for(values %DTQ) { $stat_val += $_; } if($questions != $stat_val) { $DTQ{($questions > $stat_val ? '+Unknown' : '-Unknown')} = abs $questions - $stat_val; } for(sort { $DTQ{$b} <=> $DTQ{$a} } keys(%DTQ)) { if($first) { $stat_label = '%Total:'; $first = 0; } else { $stat_label = ''; } $stat_name = $_; $stat_val = $DTQ{$_}; write; } } sub write_DMS # Write DMS report in descending order by values { print "write_DMS\n" if $op{debug}; $~ = 'DMS'; for(sort { $DMS_vals{$b} <=> $DMS_vals{$a} } keys(%DMS_vals)) { $stat_name = $_; $stat_val = $DMS_vals{$_}; write; } } sub write_Com # Write COM report in descending order by values { print "write_Com\n" if $op{debug}; my $i = $op{'com'}; $~ = 'COM_1'; # Total Com values and write first line of COM report $stat_label = '%Total:' unless $op{'dtq'}; $stat_val = 0; for(values %Com_vals) { $stat_val += $_; } write; $~ = 'COM_2'; # Sort remaining Com values, print only the top $op{'com'} number of values for(sort { $Com_vals{$b} <=> $Com_vals{$a} } keys(%Com_vals)) { $stat_name = $_; $stat_val = $Com_vals{$_}; write; last if !(--$i); } } sub write_qcache { print "write_qcache\n" if $op{debug}; # Query cache was added in 4.0.1, but have_query_cache was added in 4.0.2, # ergo this method is slightly more reliable return if not exists $vars{'query_cache_size'}; return if $vars{'query_cache_size'} == 0; return if defined($vars{'query_cache_type'}) and $vars{'query_cache_type'} eq 'OFF'; $qc_mem_used = $vars{'query_cache_size'} - $stats{'Qcache_free_memory'}; $qc_hi_r = sprintf "%.2f", $stats{'Qcache_hits'} / ($stats{'Qcache_inserts'} ||= 1); $qc_ip_r = sprintf "%.2f", $stats{'Qcache_inserts'} / ($stats{'Qcache_lowmem_prunes'} ||= 1); $~ = 'QCACHE'; write; } sub write_Subquerycache { print "write_Subquerycache\n" if $op{debug}; return if not defined $stats{'Subquery_cache_hit'}; return if $stats{'Subquery_cache_hit'} == 0 && $stats{'Subquery_cache_miss'} == 0; $~ = 'SUBQUERYCACHE'; write; } sub write_Binlog { print "write_Binlog\n" if $op{debug}; return if $binlog_cache_ratio == 0 && $binlog_stmt_cache_ratio == 0; $~ = 'BINLOG'; write; } sub write_InnoDB { print "write_InnoDB\n" if $op{debug}; return if not defined $stats{'Innodb_page_size'}; $stats{'Innodb_buffer_pool_pages_latched'} = 0 if not defined $stats{'Innodb_buffer_pool_pages_latched'}; $~ = 'IB'; write; # Innodb_row_lock_ values were added in MySQL 5.0.3 if($MySQL_version >= 50003) { $~ = 'IB_LOCK'; write; } # Data, Pages, Rows $~ = 'IB_DPR'; write; } sub write_Aria { print "write_Aria\n" if $op{debug}; return if not defined $stats{'Aria_pagecache_blocks_used'}; $~ = 'PAGECACHE_BUFF_MAX'; write; if($pagecache_buffer_usage != -1) { $~ = 'PAGECACHE_BUFF_USAGE', write } $~ = 'PAGECACHE_RATIOS'; write; } sub write_Rows { print "write_Rows\n" if $op{debug}; $rows_using_indexes = $stats{'Handler_read_first'} + $stats{'Handler_read_key'} + $stats{'Handler_read_next'} + $stats{'Handler_read_prev'}; $rows = $rows_using_indexes + $stats{'Handler_read_rnd'} + $stats{'Handler_read_rnd_next'} + $stats{'Sort_rows'}; $~ = 'ROWS'; write; } sub have_op { my $key = shift; return 1 if (exists $op{$key} && $op{$key} ne ''); return 0; } sub sig_handler { print "\nReceived signal at " , scalar localtime , "\n"; exit_tasks_and_cleanup(); exit; } sub exit_tasks_and_cleanup { print "exit_tasks_and_cleanup\n" if $op{debug}; close $tmpfile_fh; select STDOUT unless $op{'detach'}; email_report($tmpfile) if $op{'email'}; cat_report($tmpfile) unless $op{'detach'}; if($op{'outfile'}) { if($WIN) { `move $tmpfile $op{outfile}`; } else { `mv $tmpfile $op{outfile}`; } } else { unlink $tmpfile; } if(!$op{'infile'} && !$relative_infiles) { if($op{'flush-status'}) { my $query = $dbh->prepare("FLUSH STATUS;"); $query->execute(); $query->finish(); } $dbh->disconnect(); } } # # Formats # format MYSQL_TIME = @<<<<<< @<<<<<<<<<<<<<<<<<< uptime @<<<<<<<<<<< @<<<<<<<<<<<<<<<<<<<<<<< $dbms, $vars{'version'}, sec_to_dhms($real_uptime), (($op{infile} || $relative_infiles) ? '' : scalar localtime) . format KEY_BUFF_MAX = __ Key _________________________________________________________________ Buffer used @>>>>>> of @>>>>>> %Used: @>>>>> make_short($key_buffer_used, 1), make_short($vars{'key_buffer_size'}, 1), perc($key_buffer_used, $vars{'key_buffer_size'}) . format KEY_BUFF_USAGE = Current @>>>>>> %Usage: @>>>>> make_short($key_buffer_usage, 1), perc($key_buffer_usage, $vars{'key_buffer_size'}) . format KEY_RATIOS = Write hit @>>>>>% $key_write_ratio Read hit @>>>>>% $key_read_ratio __ Questions ___________________________________________________________ Total @>>>>>>>> @>>>>>/s make_short($questions), t($questions) . format DTQ = @<<<<<<< @>>>>>>>> @>>>>>/s @>>>>>> @>>>>> $stat_name, make_short($stat_val), t($stat_val), $stat_label, perc($stat_val, $questions) . format SLOW_DMS = Slow @<<<<<<< @>>>>>> @>>>>>/s @>>>>> %DMS: @>>>>> Log: @>> $slow_query_t, make_short($stats{'Slow_queries'}), t($stats{'Slow_queries'}), perc($stats{'Slow_queries'}, $questions), perc($stats{'Slow_queries'}, $dms), $vars{'log_slow_queries'} DMS @>>>>>>>> @>>>>>/s @>>>>> make_short($dms), t($dms), perc($dms, $questions) . format DMS = @<<<<<<< @>>>>>>>> @>>>>>/s @>>>>> @>>>>> $stat_name, make_short($stat_val), t($stat_val), perc($stat_val, $questions), perc($stat_val, $dms) . format COM_1 = Com_ @>>>>>>>> @>>>>>/s @>>>>> make_short($stat_val), t($stat_val), perc($stat_val, $questions) . format COM_2 = @<<<<<<<<<< @>>>>>> @>>>>>/s @>>>>> $stat_name, make_short($stat_val), t($stat_val), perc($stat_val, $questions) . format SAS = __ SELECT and Sort _____________________________________________________ Scan @>>>>>> @>>>>>/s %SELECT: @>>>>> make_short($stats{'Select_scan'}), t($stats{'Select_scan'}), perc($stats{'Select_scan'}, $stats{'Com_select'}) Range @>>>>>> @>>>>>/s @>>>>> make_short($stats{'Select_range'}), t($stats{'Select_range'}), perc($stats{'Select_range'}, $stats{'Com_select'}) Full join @>>>>>> @>>>>>/s @>>>>> make_short($stats{'Select_full_join'}), t($stats{'Select_full_join'}), perc($stats{'Select_full_join'}, $stats{'Com_select'}) Range check @>>>>>> @>>>>>/s @>>>>> make_short($stats{'Select_range_check'}), t($stats{'Select_range_check'}), perc($stats{'Select_range_check'}, $stats{'Com_select'}) Full rng join @>>>>>> @>>>>>/s @>>>>> make_short($stats{'Select_full_range_join'}), t($stats{'Select_full_range_join'}), perc($stats{'Select_full_range_join'}, $stats{'Com_select'}) Sort scan @>>>>>> @>>>>>/s make_short($stats{'Sort_scan'}), t($stats{'Sort_scan'}) Sort range @>>>>>> @>>>>>/s make_short($stats{'Sort_range'}), t($stats{'Sort_range'}) Sort mrg pass @>>>>>> @>>>>>/s make_short($stats{'Sort_merge_passes'}), t($stats{'Sort_merge_passes'}) . format QCACHE = __ Query Cache _________________________________________________________ Memory usage @>>>>>> of @>>>>>> %Usage: @>>>>> make_short($qc_mem_used, 1), make_short($vars{'query_cache_size'}, 1), perc($qc_mem_used, $vars{'query_cache_size'}) Block Fragment @>>>>>% perc($stats{'Qcache_free_blocks'}, $stats{'Qcache_total_blocks'}) Hits @>>>>>> @>>>>>/s make_short($stats{'Qcache_hits'}), t($stats{'Qcache_hits'}) Inserts @>>>>>> @>>>>>/s make_short($stats{'Qcache_inserts'}), t($stats{'Qcache_inserts'}) Insrt:Prune @>>>>>>:1 @>>>>>/s make_short($qc_ip_r), t($stats{'Qcache_inserts'} - $stats{'Qcache_lowmem_prunes'}) Hit:Insert @>>>>>>:1 $qc_hi_r, t($qc_hi_r) . format SUBQUERYCACHE = __ Subquery Cache ______________________________________________________ Hit ratio @>>>>>% perc($stats{'Subquery_cache_hit'} / ($stats{'Subquery_cache_hit'} + $stats{'Subquery_cache_miss'})) Hits @>>>>>> @>>>>>/s make_short($stats{'Subquery_cache_hit'}), t($stats{'Subquery_cache_hit'}) Miss @>>>>>> @>>>>>/s make_short($stats{'Subquery_cache_miss'}), t($stats{'Subquery_cache_miss'}) . # Not really the end... format REPORT_END = __ Table Locks _________________________________________________________ Waited @>>>>>>>> @>>>>>/s %Total: @>>>>> make_short($stats{'Table_locks_waited'}), t($stats{'Table_locks_waited'}), perc($stats{'Table_locks_waited'}, $stats{'Table_locks_waited'} + $stats{'Table_locks_immediate'}); Immediate @>>>>>>>> @>>>>>/s make_short($stats{'Table_locks_immediate'}), t($stats{'Table_locks_immediate'}) __ Tables ______________________________________________________________ Open @>>>>>>>> of @>>>>> %Cache: @>>>>> $stats{'Open_tables'}, $vars{'table_cache'}, perc($stats{'Open_tables'}, $vars{'table_cache'}) Opened @>>>>>>>> @>>>>>/s make_short($stats{'Opened_tables'}), t($stats{'Opened_tables'}) __ Connections _________________________________________________________ Max used @>>>>>>>> of @>>>>> %Max: @>>>>> $stats{'Max_used_connections'}, $vars{'max_connections'}, perc($stats{'Max_used_connections'}, $vars{'max_connections'}) Total @>>>>>>>> @>>>>>/s make_short($stats{'Connections'}), t($stats{'Connections'}) __ Created Temp ________________________________________________________ Disk table @>>>>>>>> @>>>>>/s %Disk: @>>>>> make_short($stats{'Created_tmp_disk_tables'}), t($stats{'Created_tmp_disk_tables'}), perc($stats{'Created_tmp_disk_tables'}, $stats{'Created_tmp_tables'}) Table @>>>>>>>> @>>>>>/s Size: @>>>>> make_short($stats{'Created_tmp_tables'}), t($stats{'Created_tmp_tables'}), make_short($vars{'tmp_table_size'}, 1, 1) File @>>>>>>>> @>>>>>/s make_short($stats{'Created_tmp_files'}), t($stats{'Created_tmp_files'}) . format THREADS = __ Threads _____________________________________________________________ Running @>>>>>>>> of @>>>>> $stats{'Threads_running'}, $stats{'Threads_connected'} Created @>>>>>>>> @>>>>>/s make_short($stats{'Threads_created'}), t($stats{'Threads_created'}) Slow @>>>>>>>> @>>>>>/s $stats{'Slow_launch_threads'}, t($stats{'Slow_launch_threads'}) . format THREADPERCONNECTION = Cached @>>>>>>>> of @>>>>> %Hit: @>>>>> $stats{'Threads_cached'}, $vars{'thread_cache_size'}, make_short(100 - perc($stats{'Threads_created'}, $stats{'Connections'})) . format THREADPOOL = Threadpool @>>>>>>>> of @>>>>> %Used: @>>>>> $stats{'Threadpool_threads'} + $stats{'Threadpool_idle_threads'}, $vars{'thread_pool_max_threads'}, make_short(perc($stats{'Threadpool_threads'} + $stats{'Threadpool_idle_threads'}, $vars{'thread_pool_max_threads'})) Running @>>>>>>>> of @>>>>> %Running: @>>>>> $stats{'Threadpool_threads'}, $vars{'thread_pool_max_threads'}, make_short(perc($stats{'Threadpool_threads'}, $vars{'thread_pool_max_threads'})) Idle @>>>>>>>> of @>>>>> %Idle: @>>>>> $stats{'Threadpool_idle_threads'}, $vars{'thread_pool_max_threads'}, make_short(perc($stats{'Threadpool_idle_threads'}, $vars{'thread_pool_max_threads'})) . format TAB = __ Aborted _____________________________________________________________ Clients @>>>>>>>> @>>>>>/s make_short($stats{'Aborted_clients'}), t($stats{'Aborted_clients'}) Connects @>>>>>>>> @>>>>>/s make_short($stats{'Aborted_connects'}), t($stats{'Aborted_connects'}) __ Bytes _______________________________________________________________ Sent @>>>>>>>> @>>>>>/s make_short($stats{'Bytes_sent'}), t($stats{'Bytes_sent'}) Received @>>>>>>>> @>>>>>/s make_short($stats{'Bytes_received'}), t($stats{'Bytes_received'}) . format IB = __ InnoDB Buffer Pool __________________________________________________ Usage @>>>>>> of @>>>>>> %Usage: @>>>>> make_short($ib_bp_used, 1), make_short($ib_bp_total, 1), perc($ib_bp_used, $ib_bp_total) Read hit @>>>>>% $ib_bp_read_ratio; Pages Free @>>>>>>>> %Total: @>>>>> make_short($stats{'Innodb_buffer_pool_pages_free'}), perc($stats{'Innodb_buffer_pool_pages_free'}, $stats{'Innodb_buffer_pool_pages_total'}) Data @>>>>>>>> @>>>>> %Drty: @>>>>> make_short($stats{'Innodb_buffer_pool_pages_data'}), perc($stats{'Innodb_buffer_pool_pages_data'}, $stats{'Innodb_buffer_pool_pages_total'}), perc($stats{'Innodb_buffer_pool_pages_dirty'}, $stats{'Innodb_buffer_pool_pages_data'}) Misc @>>>>>>>> @>>>>> $stats{'Innodb_buffer_pool_pages_misc'}, perc($stats{'Innodb_buffer_pool_pages_misc'}, $stats{'Innodb_buffer_pool_pages_total'}) Latched @>>>>>>>> @>>>>> $stats{'Innodb_buffer_pool_pages_latched'}, perc($stats{'Innodb_buffer_pool_pages_latched'}, $stats{'Innodb_buffer_pool_pages_total'}) Reads @>>>>>>>> @>>>>>/s make_short($stats{'Innodb_buffer_pool_read_requests'}), t($stats{'Innodb_buffer_pool_read_requests'}) From disk @>>>>>>>> @>>>>>/s %Disk: @>>>>> make_short($stats{'Innodb_buffer_pool_reads'}), t($stats{'Innodb_buffer_pool_reads'}), perc($stats{'Innodb_buffer_pool_reads'}, $stats{'Innodb_buffer_pool_read_requests'}) Ahead Rnd @>>>>>>>> @>>>>>/s $stats{'Innodb_buffer_pool_read_ahead_rnd'}, t($stats{'Innodb_buffer_pool_read_ahead_rnd'}) # Ahead Sql @>>>>>>>> @>>>>>/s #$stats{'Innodb_buffer_pool_read_ahead_seq'}, t($stats{'Innodb_buffer_pool_read_ahead_seq'}) Writes @>>>>>>>> @>>>>>/s make_short($stats{'Innodb_buffer_pool_write_requests'}), t($stats{'Innodb_buffer_pool_write_requests'}) Wait Free @>>>>>>>> @>>>>>/s %Wait: @>>>>> $stats{'Innodb_buffer_pool_wait_free'}, t($stats{'Innodb_buffer_pool_wait_free'}), perc($stats{'Innodb_buffer_pool_wait_free'}, $stats{'Innodb_buffer_pool_write_requests'}) Flushes @>>>>>>>> @>>>>>/s make_short($stats{'Innodb_buffer_pool_pages_flushed'}), t($stats{'Innodb_buffer_pool_pages_flushed'}) . format IB_LOCK = __ InnoDB Lock _________________________________________________________ Waits @>>>>>>>> @>>>>>/s $stats{'Innodb_row_lock_waits'}, t($stats{'Innodb_row_lock_waits'}) Current @>>>>>>>> $stats{'Innodb_row_lock_current_waits'} Time acquiring Total @>>>>>>>> ms $stats{'Innodb_row_lock_time'} Average @>>>>>>>> ms $stats{'Innodb_row_lock_time_avg'} Max @>>>>>>>> ms $stats{'Innodb_row_lock_time_max'} . format IB_DPR = __ InnoDB Data, Pages, Rows ____________________________________________ Data Reads @>>>>>>>> @>>>>>/s make_short($stats{'Innodb_data_reads'}), t($stats{'Innodb_data_reads'}) Writes @>>>>>>>> @>>>>>/s make_short($stats{'Innodb_data_writes'}), t($stats{'Innodb_data_writes'}) fsync @>>>>>>>> @>>>>>/s make_short($stats{'Innodb_data_fsyncs'}), t($stats{'Innodb_data_fsyncs'}) Pending Reads @>>>>>>>> $stats{'Innodb_data_pending_reads'}, t($stats{'Innodb_data_pending_reads'}) Writes @>>>>>>>> $stats{'Innodb_data_pending_writes'}, t($stats{'Innodb_data_pending_writes'}) fsync @>>>>>>>> $stats{'Innodb_data_pending_fsyncs'}, t($stats{'Innodb_data_pending_fsyncs'}) Pages Created @>>>>>>>> @>>>>>/s make_short($stats{'Innodb_pages_created'}), t($stats{'Innodb_pages_created'}) Read @>>>>>>>> @>>>>>/s make_short($stats{'Innodb_pages_read'}), t($stats{'Innodb_pages_read'}) Written @>>>>>>>> @>>>>>/s make_short($stats{'Innodb_pages_written'}), t($stats{'Innodb_pages_written'}) Rows Deleted @>>>>>>>> @>>>>>/s make_short($stats{'Innodb_rows_deleted'}), t($stats{'Innodb_rows_deleted'}) Inserted @>>>>>>>> @>>>>>/s make_short($stats{'Innodb_rows_inserted'}), t($stats{'Innodb_rows_inserted'}) Read @>>>>>>>> @>>>>>/s make_short($stats{'Innodb_rows_read'}), t($stats{'Innodb_rows_read'}) Updated @>>>>>>>> @>>>>>/s make_short($stats{'Innodb_rows_updated'}), t($stats{'Innodb_rows_updated'}) . format PAGECACHE_BUFF_MAX = __ Aria Pagecache ______________________________________________________ Buffer used @>>>>>> of @>>>>>> %Used: @>>>>> make_short($pagecache_buffer_used, 1), make_short($vars{'aria_pagecache_buffer_size'}, 1), perc($pagecache_buffer_used, $vars{'aria_pagecache_buffer_size'}) . format PAGECACHE_BUFF_USAGE = Current @>>>>>> %Usage: @>>>>> make_short($pagecache_buffer_usage, 1), perc($pagecache_buffer_usage, $vars{'aria_pagecache_buffer_size'}) . format PAGECACHE_RATIOS = Write hit @>>>>>% $pagecache_write_ratio Read hit @>>>>>% $pagecache_read_ratio . format BINLOG = __ Binary Log Cache _____________________________________________________ Disk use Transactional @>>>>>% perc($binlog_cache_ratio) Non transactional @>>>>>% perc($binlog_stmt_cache_ratio) . format ROWS = __ Rows ________________________________________________________________ Rows @>>>>>>>> @>>>>>/s make_short($rows), t($rows) Using idx @>>>>>>>> @>>>>>/s %Index: @>>>>> make_short($rows_using_indexes), t($rows_using_indexes), perc($rows_using_indexes,$rows) Rows/question @>>>>>> make_short($rows/$questions) .