June 19, 2013

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

MyISAM for everything!. MyISAM may be good for raw performance, but there are limitations which MyISAM imposes that are difficult to work with.  MyISAM… the filesystem level. The InnoDB indexes were built using ALTER TABLE fast index creation (merge sort). For the MyISAM tests I used a 10GB key…

Post: MySQL Users Conference - Innodb

… amount of pages which do not fit in compressed space. Fast Index Creation This is another feature which I was asking Heikki about… tables may take a lot of time. Fast Index creation will allow Innodb to build indexes by sorting rather by row by row insertions… be optimized same way as for MyISAM tables by separate phase of building Indexes ? Will be UNIQUE indexes built by sorting in case…

Post: MySQL Upgrade Webinar Questions Followup

… you go directly MySQL 5.0 to 5.5 for MyISAM tables? MyISAM have not been getting any significant development since MySQL… importance I would recommend using Percona Server with enabled expand_fast_index_creation feature, as I just wrote this option can help creating… need to set storage_engine=MYISAM if you’re relaying on tables to be created as MyISAM by default. Regarding setting character…

Post: InnoDB Full-text Search in MySQL 5.6 (part 1)

… make InnoDB FTS blazingly-fast, but simply to get a sense of how it works compared to traditional MyISAM FTS. We’ll… creation time of type BIGINT UNSIGNED NOT NULL with a unique index on it, loading your data, and then creating the FT index… KEY (details); ERROR 1795 (HY000): InnoDB presently supports one FULLTEXT index creation at a time That’s an odd limitation. Do it…

Post: What to tune in MySQL Server after installation

… use MyISAM tables exclusively. Right size depends on amount of indexes, data size and workload – remember MyISAM… over 100.000 used. thread_cache Thread creation/destructions can be expensive, which happen at… amount of concurrent connections and I see fast growth of Threads_Created variable I boost …