June 18, 2013

Post: Tuning InnoDB Concurrency Tickets

Changedinnodb_data_file_path=ibdata1:10M:autoextend innodb_file_per_table=1 innodb_flush_log_at_trx_commit = 1 innodb_log_buffer_size = 8M innodb_log_files_in_group=2 innodb_log_file

Post: MySQL 5.5 and MySQL 5.6 default variable values differences

INNODB_PURGE_THREADS | 0 | 1 | | INNODB_OPEN_FILES | 300 | 2000 | | INNODB_DATA_FILE_PATH | ibdata1:10M:autoextend | ibdata1:12M:autoextend | | INNODB_PURGE_BATCH_SIZE | 20 | 300 | | PERFORMANCE_SCHEMA_MAX

Comment: Database problems in MySQL/PHP Applications

data/ #innodb_data_file_path = ibdata1:2000M;ibdata2:10M:autoextend #innodb_log_group_home_dir = /usr/local/mysql/data/ #innodb_log_arch_dir = /usr/local/mysql/data/ innodb_data_home_dir = /db innodb_data_file_path

Post: Ultimate MySQL variable and status reference list

innodb_change_bufferingblogpercona.commanual innodb_checksumsblogpercona.commanual innodb_commit_concurrencyblogpercona.commanual innodb_concurrency_ticketsblogpercona.commanual innodb_data_file_pathblogpercona.commanual Innodb_data_fsyncsblogpercona.commanual innodb_data

Post: MySQL 5.5.8 - in search of stability

innodb_log_file corresponds to changedinnodb_file_per_table = true innodb_data_file_path = ibdata1:10M:autoextend innodb_flush_log_at_trx_commit = 2 innodb_flush_method = O_DIRECT innodb_log_buffer_size = 64M innodb

Post: New SpecJAppServer results at MySQL and Sun.

innodb_data_home_dir = /data/mysql/var innodb_data_file_path = ibdata1:10000M:autoextend innodb_file_per_table innodb_log_group_home_dir = /log/mysql/var/ innodb_checksums = 0 innodb_doublewrite = 0 innodb

Comment: MySQL Server Memory Usage

max_…innodb_data_home_dir=/db/disk2/data innodb_data_file_path=ibdata1:10240M;ibdata2:10240M;ibdata3:10240M;ibdata4:10240M;ibdata5:10M:autoextend innodbinnodb_file_io_threads=4 innodb_lock_wait_timeout=15 # CHANGED from 50 innodb_log_files_in_group=3 innodb_flush_log_at_trx_commit=0 #innodb_log_file

Post: Aligning IO on a hard disk RAID – the Benchmarks

change was – I have significantly reduced InnoDBinnodb_file_per_table = true innodb_data_file_path = ibdata1:10M:autoextend innodb_flush_log_at_trx_commit = 2 innodb_flush_method = O_DIRECT innodb_log_buffer_size = 8M innodb

Post: MySQL 5.6.7-RC in tpcc-mysql benchmark

files. MySQL configuration: [mysqld] gdb innodb_file_per_table = true innodb_data_file_path = ibdata1:100M:autoextend innodb_flush_method = O_DIRECT innodb_log_buffer_size = 256M innodb

Comment: MySQL on Amazon RDS part 2: Determining Peak Throughput

innodb_change_buffering inserts innodb_checksums ON innodb_commit_concurrency 0 innodb_concurrency_tickets 500 innodb_data_file_path ibdata1:10M:autoextend innodb_data_home_dir /rdsdbdata/db/innodb innodb_doublewrite ON innodb