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Posts Tagged ‘GrabPERF’
GrabPERF Downtime – May 29-30 2009
In: GrabPERF
29 May 2009There will be GrabPERF downtime on May 29-30 2009 as Technorati completes its colocation relocation process. [here] There is no set time for the outage or its length, as the machines have to be physically relocated to the new datacenter, and then integrated into the new network configuration.
I will be contacting the agent locations in [...]
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- Tags: GrabPERF, Technorati
GrabPERF Instability this week
In: GrabPERF
13 Mar 2009Over the last seven days, GrabPERF has been running in a very unstable state. This appears to be directly related to the use of InnoDB as the DB engine on a few of the larger tables in the database. [InnoDB changeover discussed here]
Today, the system was offline for several hours before I noticed that the [...]
GrabPERF Maintenance – March 5 2009, Part 2
5 Mar 2009One additional changes was made to GrabPERF today. The homepage with the Top and Bottom Performers, has been changed from a dynamic page to one that is autogenerated every two minutes. This graph should explain why.
The dynamic page was starting to push 20-25 seconds just for the Top 20 List. When I switched to the [...]
GrabPERF Maintenance – March 5 2009
In: GrabPERF
5 Mar 2009Today we undertook two maintenance and upgrade tasks at GrabPERF that have been neglected for too long.
The Agent code was streamlined and removed the connection error sub-routine. It seems that the latest versions of cURL no longer support the connection error determination (I can only imagine the madness of trying to support this on multiple [...]
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- Tags: cURL, GrabPERF, GrabPERF.org
GrabPERF Retail Web Performance Index
4 Mar 2009The GrabPERF Retail Web Performance Index is an extension of the Holiday Performance Index created for the Black Friday/Cyber Monday craze in 2008.
There is a methodology statement explaining more about the index below the data table.
Please add any comments or questions to this post.
GrabPERF now using MySQL 5.1
In: GrabPERF| Technology| The Web| Web Performance| WebPerformance.Org
3 Mar 2009On the weekend, I upgraded the database engine for GrabPERF to Mysql 5.1 and switched the main data table from MyISAM to InnoDB.
The switch to InnoDB was done because of the locking issues that were occurring during long queries, especially when doing ad-hoc analysis. The row-level (versus table-level) locking of InnoDB has removed most of [...]
GrabPERF: What and Why
1 Dec 2008Why GrabPERF?
About four years ago, I had a bright idea that I would like to learn more about how to build and scale a small Web performance measurement platform. I’ve worked in the Web performance industry for nearly a decade now, and this was an experimental platform for me to examine and encounter many of [...]
The GrabPERF Black Friday Dashboard is done for another year and there were two performance victims that suffered the most at the hands of the onslaught of bargain-hunters in the area of Web performance.
Some caveats that I need to mention about the GrabPERF measurement methodology.
Only the base HTML file of each site is measured.
Only the [...]
Once again, the Grabperf Black Friday Dashboard is up and running!
GrabPERF Black Friday Online Retailer Performance Dashboard
Check out your favorite retailer or suggest one we missed!
GrabPERF: FiOS and BitTorrent – Don’t Play Nice
13 Nov 2008I fired up the Boston FIoS measurement location today after a couple of days off, and found that suddenly FIoS doesn’t like the BitTorrent.
The line of purple dots all indicate measurements that reported an error code. All of those measurements come from Boston FiOS. See the real-time graph here.
Accident? Design? That I cannot comment on. [...]
About this blog
Stephen Pierzchala is one of a cadre of crazy Canucks living in the United States. A 10-year veteran of the Web performance field, Stephen also writes on topics as diverse as branding and reputation, bipolar, and Web technologies.
Contact
stephen@pierzchala.com
+1.508.475.9490
Skype: stephen.pierzchala
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- Stephen Pierzchala: Cool. Now, if it's not supported by anyone, it should get pulled from the RFC. And now that the [...]
- Mark Pauley: You're wrong. Chrome could pipeline, nothing in Webkit prevents this. Chrome doesn't use th [...]
- Browser Wars: Internet Explorer 8 Usage in US Now Tied with Internet Explorer 6 - Newest Industry: [...] this to the trend of decreasing Internet Explorer usage noted late last week and the release o [...]
- iamuarme: Lee Valley Tools carry the 3mm Fix pencil and parts. [...]
- IDN demystified » Chapter 3/3: ICANN. Fail: [...] Vista; and an IE8 out in beta already - this pre-requisite is almost fulfilled (in most countr [...]
- Browser Wars: June was an interesting month
- Canada: Home? What Happened While I Was Out of Town?
- Browser Wars: Internet Explorer 8 Usage in US Now Tied with Internet Explorer 6
- Browser Wars – Internet Explorer 7 Use Collapses in the US
- GrabPERF Downtime – May 29-30 2009
- A Week with Windows 7 RC
- Browser Wars: The Slow Rise of Internet Explorer 8
- Browser Wars: Why Internet Explorer 6 Still Exists
- Browser Wars: Internet Explorer 8.0 Released on Windows Update
- Browser Wars: The Unique Pattern Of MSIE 6.0
