IO: Understanding Random vs Sequential

Posted by VIOLIN SYSTEMS on Aug 15, 2018 10:59:13 AM

Storage for DBAs:

Ever been to one of those sushi restaurants where the food comes round in dishes on a conveyor belt?

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Topics: IO Randomization, MySQL, IO scheduling, Storage for DBAs, SQL Server, Extreme Performance

Why Storage Performance Matters - Part II

Posted by VIOLIN SYSTEMS on Mar 7, 2013 10:00:08 AM

Legacy storage vendors, wanting to prove value, will use the $/GB metric to justify their price tag.  They will attempt to prove value by stating that their storage system costs $0.07/GB.

As I pointed out in part I of this article, the key  for enterprise applications is not storage capacity; rather, it is storage performance and I/O randomization.  To grasp the gravity of the situation, let’s picture a large-scale, 5,000 seat virtual desktop infrastructure (VDI) environment based on Microsoft Windows 7.

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Topics: IO Randomization, VDI, Virtualization