| key_buffer_size – 128M key_read_requests – 650759289 key_reads - 79112 |
| Qcache inserts Qcache hits Qcache lowmem prunes Qcache free blocks Qcache total blocks |
| query_cache_size = 32M query_cache_type= 1 |
| Qcache queries in cache 12737 表明目前缓存的条数 Qcache inserts 20649006 Qcache hits 79060095 看来重复查询率还挺高的 Qcache lowmem prunes 617913 有这么多次出现缓存过低的情况 Qcache not cached 189896 Qcache free memory 18573912 目前剩余缓存空间 Qcache free blocks 5328 这个数字似乎有点大 碎片不少 Qcache total blocks 30953 |
| Open tables 256 Opened tables 9046 |
| #log-bin |
| sort_buffer_size = 1M max_connections=120 wait_timeout =120 back_log=100 read_buffer_size = 1M thread_cache=32 interactive_timeout=120 thread_concurrency = 4 |
| #设置为你的cpu数目x2,例如，只有一个cpu,那么thread_concurrency=2 #有2个cpu,那么thread_concurrency=4 skip-innodb #去掉innodb支持 |
| # Example MySQL config file for medium systems. # # This is for a system with little memory (32M - 64M) where MySQL plays # an important part, or systems up to 128M where MySQL is used together with # other programs (such as a web server) # # You can copy this file to # /etc/my.cnf to set global options, # mysql-data-dir/my.cnf to set server-specific options (in this # installation this directory is /var/lib/mysql) or # ~/.my.cnf to set user-specific options. # # In this file, you can use all long options that a program supports. # If you want to know which options a program supports, run the program # with the "--help" option. # The following options will be passed to all MySQL clients [client] #password = your_password port = 3306 socket = /tmp/mysql.sock #socket = /var/lib/mysql/mysql.sock # Here follows entries for some specific programs # The MySQL server [mysqld] port = 3306 socket = /tmp/mysql.sock #socket = /var/lib/mysql/mysql.sock skip-locking key_buffer = 128M max_allowed_packet = 1M table_cache = 256 sort_buffer_size = 1M net_buffer_length = 16K myisam_sort_buffer_size = 1M max_connections=120 #addnew config wait_timeout =120 back_log=100 read_buffer_size = 1M thread_cache=32 skip-innodb skip-bdb skip-name-resolve join_buffer_size=512k query_cache_size = 32M interactive_timeout=120 long_query_time=10 log_slow_queries= /usr/local/mysql4/logs/slow_query.log query_cache_type= 1 # Try number of CPU's*2 for thread_concurrency thread_concurrency = 4 #end new config # Don't listen on a TCP/IP port at all. This can be a security enhancement, # if all processes that need to connect to mysqld run on the same host. # All interaction with mysqld must be made via Unix sockets or named pipes. # Note that using this option without enabling named pipes on Windows # (via the "enable-named-pipe" option) will render mysqld useless! # #skip-networking # Replication Master Server (default) # binary logging is required for replication #log-bin # required unique id between 1 and 2^32 - 1 # defaults to 1 if master-host is not set # but will not function as a master if omitted server-id = 1 # Replication Slave (comment out master section to use this) # # To configure this host as a replication slave, you can choose between # two methods : # # 1) Use the CHANGE MASTER TO command (fully described in our manual) - # the syntax is: # # CHANGE MASTER TO MASTER_HOST=, MASTER_PORT=, # MASTER_USER=, MASTER_PASSWORD= ; # # where you replace , , by quoted strings and # by the master's port number (3306 by default). # # Example: # # CHANGE MASTER TO MASTER_HOST='125.564.12.1', MASTER_PORT=3306, # MASTER_USER='joe', MASTER_PASSWORD='secret'; # # OR # # 2) Set the variables below. However, in case you choose this method, then # start replication for the first time (even unsuccessfully, for example # if you mistyped the password in master-password and the slave fails to # connect), the slave will create a master.info file, and any later # change in this file to the variables' values below will be ignored and # overridden by the content of the master.info file, unless you shutdown # the slave server, delete master.info and restart the slaver server. # For that reason, you may want to leave the lines below untouched # (commented) and instead use CHANGE MASTER TO (see above) # # required unique id between 2 and 2^32 - 1 # (and different from the master) # defaults to 2 if master-host is set # but will not function as a slave if omitted #server-id = 2 # # The replication master for this slave - required #master-host = # # The username the slave will use for authentication when connecting # to the master - required #master-user = # # The password the slave will authenticate with when connecting to # the master - required #master-password = # # The port the master is listening on. # optional - defaults to 3306 #master-port = # # binary logging - not required for slaves, but recommended #log-bin # Point the following paths to different dedicated disks #tmpdir = /tmp/ #log-update = /path-to-dedicated-directory/hostname # Uncomment the following if you are using BDB tables #bdb_cache_size = 4M #bdb_max_lock = 10000 # Uncomment the following if you are using InnoDB tables #innodb_data_home_dir = /var/lib/mysql/ #innodb_data_file_path = ibdata1:10M:autoextend #innodb_log_group_home_dir = /var/lib/mysql/ #innodb_log_arch_dir = /var/lib/mysql/ # You can set .._buffer_pool_size up to 50 - 80 % # of RAM but beware of setting memory usage too high #innodb_buffer_pool_size = 16M #innodb_additional_mem_pool_size = 2M # Set .._log_file_size to 25 % of buffer pool size #innodb_log_file_size = 5M #innodb_log_buffer_size = 8M #innodb_flush_log_at_trx_commit = 1 #innodb_lock_wait_timeout = 50 [mysqldump] quick max_allowed_packet = 16M [mysql] no-auto-rehash # Remove the next comment character if you are not familiar with SQL #safe-updates [isamchk] key_buffer = 20M sort_buffer_size = 20M read_buffer = 2M write_buffer = 2M [myisamchk] key_buffer = 20M sort_buffer_size = 20M read_buffer = 2M write_buffer = 2M [mysqlhotcopy] interactive-timeout |
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