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Search Results for: blob storage in mysql

InnoDB performance optimization basics (redux)

I recently stumbled upon a post that Peter Zaitsev published back in 2007 titled “Innodb Performance Optimization Basics.” It’s a great post and reading it inspired me to examine what’s changed in the nearly six …


Adventures in archiving

One of our Remote DBA service clients recently had an issue with size on disk for a particular table; in short this table was some 25 million rows of application audit data with an on …


FictionPress Selects TokuDB for Consistent Performance and Fast Disaster Recovery

FictionPress Issues addressed: Support complex and efficient indexes at 100+ million rows. Predicable and consistent performance regardless of data size growth. Fast recovery. Ensuring Predictable Performance at Scale The Company:  FictionPress operates both FictionPress.com and …


Bug#12704861

As Mark pointed out, there isn’t a lot of detail in the release notes about what could potentially be a very serious problem that is fixed in MySQL 5.1.60. I’ll repeat here the full documentation …


Dynamic row format for MEMORY tables

The latest Percona Server release has one new feature: now MEMORY tables can have BLOB and TEXT columns, and VARCHAR columns will not waste space due to implicit extension to CHAR.


Percona Server 5.5.15-21.0

Percona is glad to announce the release of Percona Server 5.5.15-21.0 on August 31, 2011 (Downloads are available here and from the Percona Software Repositories). Based on MySQL 5.5.15, including all the bug fixes in it, …


Innodb row size limitation

I recently worked on a customer case where at seemingly random times, inserts would fail with Innodb error 139. This is a rather simple problem, but due to it’s nature, it may only affect you …


How number of columns affects performance ?

It is pretty understood the tables which have long rows tend to be slower than tables with short rows. I was interested to check if the row length is the only thing what matters or …


High Anxiety Whenever You’re Near

Every time I visit the Sun Santa Clara Campus, I’m reminded of Mel Brooks’s movie “High Anxiety”. The campus was known as The Great Asylum for the Insane in the 19th century, and even includes …


Should you move from MyISAM to Innodb ?

There is significant portion of customers which are still using MyISAM when they come to us, so one of the big questions is when it is feasible to move to Innodb and when staying on …