June 19, 2013

Comment: MySQL Server Memory Usage

settings Here is mysql configuration (We are having only 1 mysql server, no replication setup) [mysqld] datadir=/var/lib/mysql socket=/var/lib/mysql/mysql…_size = 192M max_heap_table_size = 192M max_allowed_packet = 64M #max_connect_errors = 10000 read_rnd_buffer_size = 8M bulk_insert_buffer_size = …

Comment: What to tune in MySQL Server after installation

settings: [mysqld] max_connections = 300 max_user_connections = 300 key_buffer = 16M myisam_sort_buffer_size = 16M read_rnd_buffer_size = 1M join_buffer_size = 2M read_buffer_size = 1M sort_buffer_size

Post: MySQL 5.6 vs MySQL 5.5 and the Star Schema Benchmark

READS | 191581 | | INNODB_PAGES_READ | 191570 | | INNODB_ROWS_READ | 910844 | +—————————————+—————-+ 10 rows in set (0.01 sec) mysql> select sq.*, pages / ((@@innodb_buffer_pool_size

Post: Index Condition Pushdown in MySQL 5.6 and MariaDB 5.5 and its performance impact

… in preparation for the talk comparing the optimizer enhancements in MySQL 5.6 and MariaDB 5.5. We are taking a… optimizer enhancement Index Condition Pushdown (ICP). Its available in both MySQL 5.6 and MariaDB 5.5 Now let’s take…

Comment: MySQL Server Memory Usage

buffer_pool_size=1800M # USE ALL MEMORY AVAILABLE #innodb_log_buffer_size=8M # Lowered from 32M according to MySQL innodb_additional_mem_pool_size