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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 [...] 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 [...] 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 [...] 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 [...] 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 [...] 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 [...] |
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