Merge "Modify memory calculation formula for MySQL"
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commit
01e72de4c8
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@ -137,14 +137,31 @@ class osnailyfacter::database::database {
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} else {
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$mysql_performance_schema = 'on'
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}
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$innodb_buffer_pool_size = inline_template("<%= [(${::memorysize_mb} * 0.2 + 0).floor, 10000].min %>")
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$innodb_log_file_size = inline_template("<%= [(${innodb_buffer_pool_size} * 0.2 + 0).floor, 2047].min %>")
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$key_buffer_size = 64
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$sort_buffer_size_mb = '0.25'
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$read_buffer_size_mb = '0.125'
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$max_connections = inline_template(
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"<%= [[((${::memorysize_mb} * 0.3 - ${key_buffer_size}) /
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(${sort_buffer_size_mb} + ${read_buffer_size_mb})).floor, 8192].min, 2048].max %>")
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$innodb_buffer_pool_size = inline_template("<%= [(${::memorysize_mb} * 0.25).floor, 8192].min %>")
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$innodb_log_file_size = inline_template("<%= [(${innodb_buffer_pool_size} * 0.2).floor, 2047].min %>")
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#http://dev.mysql.com/doc/refman/5.6/en/innodb-parameters.html#sysvar_innodb_log_buffer_size
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$innodb_log_buffer_size = '8'
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#http://dev.mysql.com/doc/refman/5.6/en/server-system-variables.html#sysvar_key_buffer_size
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$key_buffer_size = '8'
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#Disabled for galera
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$query_cache_size = '0'
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#http://dev.mysql.com/doc/refman/5.6/en/server-system-variables.html#sysvar_tmp_table_size
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$tmp_table_size = '16'
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#http://dev.mysql.com/doc/refman/5.6/en/server-system-variables.html#sysvar_read_buffer_size
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$read_buffer_size = '0.125'
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#http://dev.mysql.com/doc/refman/5.6/en/server-system-variables.html#sysvar_read_rnd_buffer_size
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$read_rnd_buffer_size = '0.25'
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#http://dev.mysql.com/doc/refman/5.6/en/server-system-variables.html#sysvar_sort_buffer_size
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$sort_buffer_size = '0.25'
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#http://dev.mysql.com/doc/refman/5.6/en/server-system-variables.html#sysvar_join_buffer_size
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$join_buffer_size = '0.25'
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#http://dev.mysql.com/doc/refman/5.6/en/replication-options-binary-log.html#sysvar_binlog_cache_size
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$binlog_cache_size = '0.03125'
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#http://dev.mysql.com/doc/refman/5.6/en/server-system-variables.html#sysvar_thread_stack
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$thread_stack = '0.25'
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$max_connections = inline_template("<%= [[((${::memorysize_mb} * 0.25 - ${key_buffer_size} - ${query_cache_size} - ${tmp_table_size} - ${innodb_log_buffer_size} ) /
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(${read_buffer_size} + ${read_rnd_buffer_size} + ${sort_buffer_size} + ${join_buffer_size} + ${binlog_cache_size} + ${thread_stack})).floor, 8192].min, 1024].max %>")
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$wsrep_provider_options = "\"gcache.size=${galera_gcache_size}; gmcast.listen_addr=tcp://${galera_node_address}:${wsrep_group_comm_port}\""
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$wsrep_slave_threads = inline_template("<%= [[${::processorcount}*2, 4].max, 12].min %>")
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@ -185,14 +202,11 @@ class osnailyfacter::database::database {
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'character-set-server' => 'utf8',
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'skip-name-resolve' => $mysql_skip_name_resolve,
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'performance_schema' => $mysql_performance_schema,
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'myisam_sort_buffer_size' => '64M',
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'wait_timeout' => '1800',
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'open_files_limit' => '102400',
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'table_open_cache' => '10000',
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'key_buffer_size' => $key_buffer_size,
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'key_buffer_size' => "${key_buffer_size}M",
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'max_allowed_packet' => '256M',
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'query_cache_size' => '0',
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'query_cache_type' => '0',
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'innodb-data-home-dir' => '/var/lib/mysql',
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'innodb_file_format' => 'Barracuda',
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'innodb_file_per_table' => '1',
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