Analysis: SSD performance — is a slowdown inevitable?
SSD performance and endurance are related. Generally, the poorer the performance of a drive, the shorter the lifespan. That’s because the management overhead of an SSD is related to how many writes and...
View ArticleDatabase Archiving Basics
Database archiving is becoming an important new topic for data managers. The need for this function has surfaced at most IT organizations, and the problems it addresses are only getting bigger and...
View ArticleHacking FRM files to switch data types
The solution was to change the datatype from TINYINT to TINYINT UNSIGNED. The problem is that this is a very large dataset, ~14TB across a bunch of systems. We could use our online schema change tool...
View ArticleThe AWS Outage: The Cloud's Shining Moment
In short, if your systems failed in the Amazon cloud this week, it wasn’t Amazon’s fault. You either deemed an outage of this nature an acceptable risk or you failed to design for Amazon’s cloud...
View ArticleA quicker drop table within MySQL
Whilst a truncate table operation is underway a lock mutex around the table is created to ensure data consistency; if using innodb file per table the physical .ibd file must be removed which is a...
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