Uptime Report for My Live Windows Azure Web Site: December 2013 = 99.95%

My (@rogerjenn) Android MiniPCs and TVBoxes blog runs WordPress on WebMatrix with Super Cache in Windows Azure Web Site (WAWS) Standard tier instance in Microsoft’s West U.S. (Bay Area) data center and ClearDB’s MySQL database (Venus plan). I converted the site from the Shared Preview to the Standard tier on September 7, 2013 in order to store diagnostic data in Windows Azure blobs instead of the file system.

Service Level Agreements aren’t applicable to the Web Services’ Shared tier; only sites in the Standard tier qualify for the 99.9% uptime SLA.

• Running a Shared Preview WAWS costs ~US$10/month plus MySQL charges
• Running a Standard tier instance costs ~US$75/month plus MySQL charges

I use Windows Live Writer to author posts that provide technical details of low-cost MiniPCs with HDMI outputs running Android JellyBean 4.1+, as well as Google’s new Chromecast device. The site emphases high-definition 1080p video recording and rendition.

The site commenced operation on 4/25/2013. To improve response time, I implemented WordPress Super Cache on May 15, 2013. I moved the site’s diagnostic logs from the file system to Windows Azure blobs on 9/7/2013, as reported in my Storing the Android MiniPCs Site’s Log Files in Windows Azure Blobs post.

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Here’s Pingdom’s graphical Uptime report (first page in Downtime mode) for December 2013:

Note: Downtime is exaggerated because Pingdom’s timing resolution is five minutes.

And here’s their Response Time report for the same period:

Response time is slowed by the length and number of images of this blog’s posts.

The Windows Azure Management Portal displays resource utilization for a maximum period of one prior week:

I plan to report and log uptime values monthly with pages similar to OakLeaf Systems’ Uptime Report for my Live OakLeaf Systems Azure Table Services Sample Project posts, which has more that two full years of uptime and response time data as of June 2013.

Month	Year	Uptime	Downtime	Outages	Response Time
December	2013	99.95%	00:21:00	4	1,868 ms
November	2013	99.92%	00:35:00	5	1,877 ms
October	2013	99.63%	02:40:00	23	2,061 ms
September	2013	99.81%	01:20:00	7	1,816 ms
August	2013	99.71%	02:10:00	24	1,786 ms
July	2013	99.37%	04:40:00	45	2,002 ms
June	2013	99.34%	04:45:00	30	2,431 ms
May	2013	99.58%	03:05:00	32	2,706 ms

Note: The usual 99.9% uptime Service Level Agreement (SLA) applies only to Windows Azure Web Sites running in the Standard tier. The Android MiniPCs and TVBoxes site was upgraded from the Shared to Standard tier on 9/7/2013.

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