Server Design Discuss Design issues for Servers Review Server Creation in Linux.
Server Infrastructure of Wikimedia · Wikimedia Server Locations pmtpa – Main Site 285 servers...
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2007 December 13 th Manuel Schneider Server Infrastructure of Wikimedia Wikipedia – Wikibooks – Wikinews – Wiktionary – Wikiquote – Wikisource – Wikimedia Commons – Wikiversity – ...
Transcript of Server Infrastructure of Wikimedia · Wikimedia Server Locations pmtpa – Main Site 285 servers...
2007 December 13th Manuel Schneider
Server Infrastructureof Wikimedia
Wikipedia – Wikibooks – Wikinews – Wiktionary – Wikiquote – Wikisource – Wikimedia Commons – Wikiversity – ...
2007 December 13th Manuel Schneider
Wikimedia Server Locations
● pmtpa – Main Site285 serversTampa, USA (Florida)hosted by Wikimedia Foundation
● knams – Europe Cluster28 serversAmsterdam, Netherlandshosted by kennisnet
● yaseo – Asian Cluster23 serversSeoul, Coreahosted by Yahoo
2007 December 13th Manuel Schneider
Maintenance
● 3 paid server technician
● 1 paid software developer
● several volunteers
● knams & yaseo sponsored hostingpmpta, servers, staff paid by donations
2007 December 13th Manuel Schneider
Server Infrastructure
● Apache as application server (pmtpa)LAMP
● MySQL clusters (pmtpa)3 master servers11 slavesdata replication to toolserver cluster (knams)
● eAccelerator as PHP encoder / cache (pmtpa)
● memcache for session data (pmtpa)
● NFS storage for files (pmtpa)
2007 December 13th Manuel Schneider
Server Infrastructure
● geographically distributed proxy serversreading access for anonymous usersstatic content (worldwide)
● poor-man geographical DNS (worldwide)
● loadbalancer distribute HTTP requestbased on URL hash value (worldwide)
● cache purging using HTCP (worldwide)UDP multicastrewritten HTCP extension for squid
2007 December 13th Manuel Schneider
Overview 2006
2007 December 13th Manuel Schneider
Overview 2004
2007 December 13th Manuel Schneider
Overview Toolserver Cluster
