June 18, 2013

Post: Copying InnoDB tables between servers

innodb_data_file_path = ibdata1:10M:autoextend xtrabackup: innodb_log_group_home_dir = ./ xtrabackup: innodb_log_files_in_group = 3 xtrabackup: innodb_log_file_size = 536870912 xtrabackup: use O_DIRECT >> log scanned up to (3

Post: How Percona does a MySQL Performance Audit

group involvement early on is a good start to this. What to… : 3to miss, as is the absence of innodb_log_file_size. I won’t give you a full rundown over every option in the filein big units, so it’s hard to read. If the InnoDB buffer pool is set to 22GB, it’s much easier toin the process of removing

Comment: Database problems in MySQL/PHP Applications

Set .._log_file_size to 25 % of buffer pool size innodb_log_file_size = 1000M #innodb_log_buffer_size = 32M #innodb_flush_log_at_trx_commit = 1 #innodb

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

removedinnodb_flush_log_at_trx_commit = 2 innodb_flush_method = O_DIRECT innodb_log_buffer_size = 8M innodb_buffer_pool_size = 128M innodb_log_file_size = 64M innodb_log_files_in_group = 2 innodbset to WT cache: The second is with WB cache: I couldn’t figure out what exactly happened with setting #3

Post: Tuning for heavy writing workloads

innodb_log_file_size = 512M innodb_log_files_in_group = 2 innodb_max_dirty_pages_pct = 90 innodb_flush_method = O_DIRECT (the followings are XtraDB specific general settings) innodb

Comment: Database problems in MySQL/PHP Applications

to use a non-conctextual primary key (NCPK – an auto_increment column) in nearly (emphasize nearly) every InnoDBto group tables by certain logic, such as > you do with directories to group files. I think this makes a lot of > sense. Sometimes grouping

Post: Percona XtraDB Cluster - installation and setup webinar follow up Q&A

to remove it before going to production. Q: How would you migrate to XtradbCluster from a traditional Master Slave scenario when the data setin a 3 node cluster is synchronizing with the group, are the other two nodes available to