May 24, 2012

Post: MySQL Crash Recovery

… affect MySQL Performance. MyISAM Corruption – If you’re writting to MyISAM tables … applications – users may issue different queries which may trigger…error to others) and gradually increase the load as server …longer time on extreme load. Innodb statistics – Unlike MyISAM Innodb does not store index…

Post: InnoDB vs MyISAM vs Falcon benchmarks - part 1

performance parameters may vary a lot in next releases) Compilation parameters: For MyISAM / InnoDB ./configure –prefix=/usr/local/mysqltest/mysql- –with-innodbMyISAM shows bad scalability with increasing count of thread. I think the reason is pread system call MyISAM

Post: Moving from MyISAM to Innodb or XtraDB. Basics

Performance Benchmarks – Innodb and MyISAM have different performanceInnodb tables may increase in size significantly due to fragmentation. Usage Differences What works well for MyISAM may not work for Innodb

Post: How innodb_open_files affects performance

performance. So I decided to look at yet another similar variable – innodb_open_files which defines how many files Innodb will keep open while working in innodb_file_per_table mode. Unlike MyISAM Innodbincrease

Post: MySQL Users Conference - Innodb

…INFILE be optimized same way as for MyISAM tables by separate phase of building Indexes …parallel by running sorts in different threads – using multiple cores becomes increasingly important as their …to MySQL 5.0+ Heikki also mentioned there are more things inside Innodb to unleash performance such…

Post: MyISAM Scalability and Innodb, Falcon Benchmarks

Innodb. On other hand it scales quite nicely as number of threads increase. The interesting thing is it shows best performanceMyISAM Innodb and Falcon results in the graphical form: I’ve created bug, for MyISAM

Post: Troubleshooting MySQL Upgrade Performance Regressions

MySQL Servers side by side (for example with MySQL Sandbox) can especially be helpful. Once you have spotted the query which performs differently between MySQLinnodb_stats_on_metadata and increasing innodb-stats-sample-pages to get more accurate results. In recent Percona Server versions and MySQL

Post: Choosing innodb_buffer_pool_size

increaseInnodb tables but there are other things you need OS cache for – MyISAM tables (mysqlMySQL to use Large Pages for allocating Innodb Buffer Pool and few other buffers, which may have other performance

Post: Paul McCullagh answers your questions about PBXT

performance?  When would I use PBXT instead of a storage engine like MyISAM, InnoDBperformance, stability and data integrity in mind constantly. The problem is, they compete with each other: increasing performance

Post: Using MyISAM in production

…tens of thousands tables) Innodb was better choice mainly …performance for small application. As load increases you might convert certain tables to MyISAM and other storage engines for performance… while using MyISAM tables. Recovery. MySQL was running …It is however also different. MyISAM has in-row …