gallery : 2001Feb28-M6 8Seattle png

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These graphs are snapshots of the MRTG graphs of web server activity on the USGS Pasadena Office web server. In each case, the activity is the traffic seen by the Squid reverse-proxy server that acts as a front-end for the main web server. The Squid server acts as an accelerator for the site. The story of how this configuration came about is told in "Web Servers, Earthquakes, and the Slashdot Effect". The blue line is the total HTTP requests/min. the green is the number of requests that were served out of the Squid cache. The brown line is the cache hit ratio.

2001feb17-idyllwild png

2001Feb25-M4 4SanJose png

2001Feb28-M6 8Seattle png
M6.8 near Seattle. 10:54 PST
28 Feb, 2001

2001feb17-idyllwild png

2001Feb25-M4 4SanJose png


Generated by album from MarginalHacks on Fri Aug 17 16:10:31 2001