Tag Archives: SPC

Storage throughput vs. IO response time and why it matters

Posted on December 3, 2010 by Ray

Lost in much of the discussions on storage system performance is the need for both throughput and response time measurements. By IO throughput I generally mean data transfer speed in megabytes per second (MB/s or MBPS), however another definition of … Continue reading →

Posted in Block Storage, File Storage, Storage, Storage performance, System effectiveness, Systems | Tagged , , , , , , , , , , , , | 5 Comments

Chart of the month: SPC LRT(tm) performance results

Posted on September 17, 2009 by Ray

The above chart shows the top 12 LRT(tm) (least response time) results for Storage Performance Council’s SPC-1 benchmark. The vertical axis is the LRT in milliseconds (msec.) for the top benchmark runs. As can be seen the two subsystems from … Continue reading →

Posted in Data security, Storage, Storage Features, Storage performance, Systems | Tagged , , , , , , , , , , , , , , | 1 Comment

SSD vs Drive energy use

Posted on August 27, 2009 by Ray

Recently, the Storage Performance Council (SPC) has introduced a new benchmark series, the SPC-1C/E, which provides detailed energy usage for storage subsystems. So far there have been only two published submissions in this category but we look forward to seeing … Continue reading →

Posted in Storage, Storage energy use, Storage performance | Tagged , , , , , , , , , , | 1 Comment

Chart Of The Month

Posted on June 15, 2009 by Ray

This chart was included in our last months newsletter and shows relative costs of subsystem storage as well as subsystems performance on two axis SPC-1 IO operations per second and measured Least Response Time. Having the spreadsheet, I can easily … Continue reading →

Posted in Storage, Storage performance | Tagged , , , , | Leave a comment