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pandorafms
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Merge branch '1531-performance' into 'develop' 

Added -g option to pandora_perf_report

See merge request artica/pandorafms!1199
This commit is contained in:
vgilc 2017-12-19 16:36:49 +01:00
parent f72b5257ba 67f76cadfc
commit 2d314dad1c
1 changed files with 120 additions and 1 deletions
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121
pandora_server/util/pandora_perf_report.pl
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@ -36,6 +36,17 @@ my $STRESS_AGENT_XML = { # Hash representing data coming from an XML data
'agent_alias' => $STRESS_AGENT_NAME,
'module' => []
};
my $DUMP_CNF_ONLY = 0;
my $HELP=<<EO_HELP;
Pandora FMS tool for MySQL testing and optimization.
Usage $0 /etc/pandora/pandora_server.conf [options]
where options could be:
-g Generate optimized my.cnf (dumped to stdout)
EO_HELP
my $STRESS_CPU_OPS = 100000; # Number of CPU iterations.
@ -231,6 +242,67 @@ sub table_stats {
return $stats;
}
sub generate_optimized_my_cnf {
my $pool_size=`cat /proc/meminfo | grep -i total | head -1 | awk '{print \$(NF-1)*0.4/1024}' | sed 's/\\..*\$/M/' `;
chomp($pool_size);
my $out = '';
$out .= "# Percona Server template configuration\n";
$out .= "\n";
$out .= "[mysqld]\n";
$out .= "datadir=/var/lib/mysql\n";
$out .= "socket=/var/lib/mysql/mysql.sock\n";
$out .= "\n";
$out .= "# Disabling symbolic-links is recommended to prevent assorted security risks\n";
$out .= "symbolic-links=0\n";
$out .= "\n";
$out .= "# Recommended in standard MySQL setup\n";
$out .= "sql_mode=\"\"\n";
$out .= "max_allowed_packet=64M\n";
$out .= "max_connections=100\n";
$out .= "\n";
$out .= "#InnoDB\n";
$out .= "innodb_file_per_table\n";
$out .= "innodb_buffer_pool_size=" . $pool_size . "\n";
$out .= "innodb_additional_mem_pool_size=32M\n";
$out .= "innodb_lock_wait_timeout=120\n";
$out .= "innodb_flush_log_at_trx_commit=0\n";
$out .= "innodb_flush_method=O_DIRECT\n";
$out .= "innodb_log_file_size=32M\n";
$out .= "innodb_log_buffer_size=128M\n";
$out .= "#innodb_io_capacity=150\n";
$out .= "\n";
$out .= "#Threading\n";
$out .= "thread_stack=256K\n";
$out .= "thread_cache_size=16\n";
$out .= "\n";
$out .= "#Buffers\n";
$out .= "sort_buffer_size=8M\n";
$out .= "join_buffer_size=8M\n";
$out .= "key_buffer_size=32M\n";
$out .= "read_buffer_size=128K\n";
$out .= "read_rnd_buffer_size=128K\n";
$out .= "\n";
$out .= "#Cache\n";
$out .= "query_cache_type=1\n";
$out .= "query_cache_size=8M\n";
$out .= "query_cache_limit=32M\n";
$out .= "\n";
$out .= "#Default values\n";
$out .= "tmp_table_size=64M\n";
$out .= "bind_address=0.0.0.0\n";
$out .= "\n";
$out .= "\n";
$out .= "[mysqld_safe]\n";
$out .= "log-error=/var/log/mysqld.log\n";
$out .= "pid-file=/var/run/mysqld/mysqld.pid\n";
$out .= "\n";
return $out;
}
################################################################################
# Add recommendations based on the given table stats.
################################################################################
@ -280,14 +352,61 @@ sub table_comments {
return $comments;
}
############################################################################
# Close STDOUT, avoid output
############################################################################
my $OLD_STDOUT;
sub close_stdout {
open $OLD_STDOUT, ">&STDOUT";
close STDOUT;
open STDOUT, '>', '/dev/null';
}
############################################################################
# Restore STDOUT, recover output
############################################################################
sub restore_stdout {
close STDOUT;
open STDOUT, '>&', $OLD_STDOUT;
}
################################################################################
#
# Main.
#
################################################################################
my %conf;
# Connect to the DB.
if ($#ARGV < 0) {
print $HELP;
exit 0;
}
if ((defined($ARGV[1])) && ($ARGV[1] =~ /-g/i)) {
$DUMP_CNF_ONLY = 1;
}
if ($DUMP_CNF_ONLY == 1) {
print generate_optimized_my_cnf();
exit 0;
}
# close STDOUT
close_stdout();
# Init Pandora FMS libs
pandora_init(\%conf,"Pandora FMS Performance Report Tool");
pandora_load_config(\%conf);
# close STDOUT
restore_stdout();
# Connect to the DB.
my $dbh = db_connect($conf{'dbengine'}, $conf{'dbname'}, $conf{'dbhost'}, $conf{'dbport'}, $conf{'dbuser'}, $conf{'dbpass'});
# Do not show server messages when running the stress tests.