Positively SQL

A SSD Technology a Day (3) – Program and Erase Cycle (P/E)

Luke — Sat, 19 May 2012 06:24:10 +0000

One of the limitations of flash memory is that while it can be read or programmed a byte or a word at a time in a random access fashion just like regular RAM, it can only be erased a “block” at a time. This will set all bits in the block to 1 which is [...]

A SSD Technology a Day (2) – What’s the difference between SLC and MLC?

Luke — Fri, 18 May 2012 05:16:36 +0000

It’s time dissect the two main types of flash chips in order to understand why not all SSDs are created equal. What is after all the physical difference between SLC and MLC?

SLC stands for Single Level Cell and just like the name suggests can store one bit per NAND gate hence SLC cell has [...]

A SSD Technology a Day (1) – Static Data Rotation

Luke — Thu, 17 May 2012 06:41:28 +0000

One of the main drawbacks of SSD has been reliability. Every NAND cell has a certain prescribed number of Program/Erase (P/E) cycles and as data is being written to disk, chances are it will remain unchanged for weeks or months. That means that the cells that are being used to store that data will have [...]

New blog series: One SSD Technology a Day

Luke — Thu, 17 May 2012 05:46:50 +0000

It’s become a tradition in the SQL blogs to start a month long series on a certain topic and try to blog every day. Today I want to start my first series on SSD technologies. It has been over a year since I started speaking on this topic and as this is a hot topic [...]

Presenting at SQL Saturday #119 Chicago

Luke — Thu, 17 May 2012 05:24:00 +0000

I will be presenting my session on “Optimizing SQL Server I/O with Solid State Drives” at SQL Saturday #119 in Chicago on Saturday May 19, 2012!

Since this is the 4th time I’m presenting this and I kept accumulating a lot of ideas related to Solid State Drives I decided to start a series of [...]

Beer, brats, unicorns, paper airplanes and 36 awesome sessions

Luke — Fri, 27 Apr 2012 06:32:48 +0000

I’ve been meaning to write my blog post on last week’s SQL Saturday experience so finally I got to work so here it is:

Bored Member

After the previous weekend marked a record with 5 (five) SQL Saturday events all around the world on Apr 14 it was time for Wisconsin to show what [...]

Speaking at SQLSaturday #118 in Madison,WI

Luke — Fri, 20 Apr 2012 02:48:41 +0000

I am happy to announce that my session on “Optimizing SQL Server I/O with Solid State Drives” was selected for SQL Saturday #118 in Wisconsin’s capital, Madison on Saturday April 21, 2012!

Location is: Madison Area Technical College – Truax Campus 3550 Anderson St, Madison, WI 53704

SQLSaturday is a training event for SQL Server [...]

Speaking at SQLSaturday #110 in Tampa,FL

Luke — Wed, 08 Feb 2012 05:12:36 +0000

I am happy to announce that my session on “Optimizing SQL Server I/O with Solid State Drives ” was selected for SQL Saturday #110 in Tampa, FL on Saturday March 10, 2012!

Location is: K-Force, 1001 East Palm Avenue, Tampa, FL 33605

SQLSaturday is a training event for SQL Server professionals and those wanting to learn about [...]

Weekly links for 11-21-2011

Luke — Mon, 21 Nov 2011 22:25:16 +0000

SQL Server 2012 Release Candidate is now Available from SQL Server Team blog

The Data Scientist from BuckWoody

7 Scaling Strategies Facebook Used to Grow to 500 Million Users HighScalabilty

10 Sloppy Social Media Mistakes to Fix NOW from Hubspot Blog

What is Hadoop? And Why is it Good for Big Data? from The Data [...]

SQLskills Community Mentoring and me

Luke — Fri, 11 Nov 2011 21:41:46 +0000

As some of you might be aware Paul Randal (blog | twitter) has just announced the launch of a new SQL Skills Community Mentoring program for a few individuals that took part in the SQL Skills Immersion Events. I’m deeply honored to be one of the select few that get access to invaluable advice from [...]