June 18, 2013

Post: MySQL and the SSB - Part 2 - MyISAM vs InnoDB low concurrency

threads) with fast IO (OCZ R4 1mysql/mysql.sock user=justin innodb_buffer_pool_size=64G innodb_log_file_size=4G innodb_file_per_table innodb_stats_on_metadata=off innodb_file_format=barracuda innodb

Post: MySQL and Percona Server in LinkBench benchmark

1 innodb_log_buffer_size=128M innodb_max_dirty_pages_pct=80 innodb_file_format=barracuda innodb_file_per_table innodb_read_io_threads = 8 innodb_write_io_threads = 8 innodb_io

Post: More on MySQL transaction descriptors optimization

…focused only on case #1. Which is the perfect case for read-only transaction optimization in MySQL 5.6, because …16M innodb_buffer_pool_size = 52G innodb_log_file_size = 2000M innodb_log_files_in_group = 2 innodb_file_per_table = true innodb_read_io_threads = 8 innodb_write_io_threads = 8 innodb_io

Post: Benchmarking Percona Server TokuDB vs InnoDB

1 innodb_buffer_pool_size = 36G innodb_log_file_size = 4G innodb_log_files_in_group = 2 innodb_log_block_size=4096 #####plugin options innodb_read_io_threads = 16 innodb_write_io_threads

Post: Virident vCache vs. FlashCache: Part 2

innodb_log_buffer_size = 128M innodb_flush_log_at_trx_commit = 1 innodb_log_file_size = 1G innodb_log_files_in_group = 2 innodb_purge_threads = 1 innodb_fast_shutdown = 1 #not innodb

Post: Percona XtraBackup 2.1.0 'release candidate' for MySQL available for download

5.6-style buffer pool dump files). Percona XtraBackup has implemented support for the InnoDB Buffer Pool Preloading introduced in MySQL 5.6. Starting with MySQL 5thread. Percona XtraBackup now stores the GTID value in the xtrabackup_binlog_info when doing the backup of MySQL and Percona Server 5

Comment: MySQL and Percona Server in LinkBench benchmark

innodb_fast_free_list option to fix the stalls and that change makes 5.1 competitive with 5.6 (http://mysqlha.blogspot.com/2013/02/mysql-56-is-much-faster-on-io

Comment: MySQL and Percona Server in LinkBench benchmark

innodb_fast_free_list option to fix the stalls and that change makes 5.1 competitive with 5.6 (http://mysqlha.blogspot.com/2013/02/mysql-56-is-much-faster-on-io

Post: MySQL 5.5 and MySQL 5.6 default variable values differences

MySQL 5.5.30 and MySQL 5.6.10 to the different tables and ran the query: mysql5.5.30 | 5.6.10 | | INNODB_CONCURRENCY_TICKETS | 500 | 5000 | | INNODB_PURGE_THREADS | 0 | 1 | | INNODB_OPEN_FILES | 300 | 2000 | | INNODB_DATA_FILE_PATH | ibdata1:10M:autoextend | ibdata1:12M:autoextend | | INNODB

Post: SHOW INNODB STATUS walk through

Innodb performance counters, statistics, information about transaction processing and all kinds of other things. In MySQL 5 number of Innodbthreads, on Windows it however can be adjusted by innodb_file_io_threads variable. For each helper thread you can see thread state – if thread