June 18, 2013

Post: Percona Server 5.5.30-30.2 rerelease fixes non-restart issue

… 5 and CentOS 5. Bug fixed #1144777 (Ignacio Nin). When mysqldump was used with –innodb-optimize-keys option it produced invalid… fixed #1131187 (Alexey Kopytov). Removed trx_list scan in read_view_open_now() which is another problem originally reported as upstream…_flush_order_mutex acquisition. Bug fixed #1163262 (Alexey Kopytov). When mysqldump was used with –innodb-optimize-keys and –no-data options…

Post: Percona Server for MySQL 5.5.30-30.2 now available

… 5 and CentOS 5. Bug fixed #1144777 (Ignacio Nin). When mysqldump was used with –innodb-optimize-keys option it produced invalid… fixed #1131187 (Alexey Kopytov). Removed trx_list scan in read_view_open_now() which is another problem originally reported as upstream…_flush_order_mutex acquisition. Bug fixed #1163262 (Alexey Kopytov). When mysqldump was used with –innodb-optimize-keys and –no-data options…

Comment: Unexpected problem with triggers and mysqldump

… are some funny quirks like the one you encountered in mysqldump. Views are basically treated like tables, but stored routines and triggers…

Post: MySQL Backup tools used by Percona Remote DBA for MySQL

… backups Strong Points: Very fast for logical backups – compared to mysqldump Consistent backups between myisam and innodb tables. Global read lock…’s. It does not handle views/triggers/procedures etc. Run with –no-schemas, instead use mysqldump for the schemas and rely on… to the schema file, putting in the current charset mysqldump … -d -R –skip-triggers, out to the schema file create…

Comment: How to change innodb_log_file_size safely

… test it today anymore) would be able to create a mysqldump from the datafile. But as I understand it, there is… hosting server migration I started over the weekend, cheers god, mysqldump for the Zarafa database (on 7.0.2 now) has… getting to tuning. So as a final note (my personal view on this topic): Never change innodb_log_file_size in…

Post: Can Innodb Read-Ahead reduce read performance ?

… had pretty good IO subsystem so we started number of mysqldump processes in parallel. Unlike in other case when we did… ————– 8 queries inside InnoDB, 3 queries in queue 12 read views open inside InnoDB Main thread process no. 3956, id 1157658976…