Backblaze Hard Drive Stats for 2018

By | January 22nd, 2019

We look at the hard drive failure rates for the data drive models in operation in our data centers in 2018 (now totaling over 750 petabytes and 100,000 drives). In addition, we’ll see how the new hard drive models we added during the year did, including our 12 TB HGST and 14 TB Toshiba drives.

How We Optimized Storage and Performance of Apache Cassandra at Backblaze

By | January 10th, 2019

Conventional wisdom for Apache’s high-performance, scalable database has been to avoid wide partitions for risk of impacting database performance and storage limitations. Backblaze’s work with a Cassandra consultant shows how version 3.11 can dramatically decrease garbage collection, lower latencies, and require nearly 30% less space when using wide partitions versus version 2.2.

Hard Drive Stats for Q3 2018: Less is More

By | October 16th, 2018

As of September 30, 2018 Backblaze had 99,636 spinning hard drives in our data centers, which now includes a large number of 12 TB drives. Here’s our latest report on how they’re all doing, and a brief look at the direction we’ll be heading in the future.