Web Speed And Scalability

[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Version Control in Action ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

High Availablity?!?!?! ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Monitoring ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Criteria For A Monitoring System ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Release Cycles ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Fault Tolerence router switch www-1-1 www-1-2 Intertubes router switch www-1-1 www-1-2 Intertubes router switch

Load Balancing ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Static Content ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Types of Caching ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Memcahed ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

APC and why it’s your friend ,[object Object],[object Object],[object Object],[object Object]

YSlow? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

YSlow? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

YSlow? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Example apache 2.x performace config # enable expirations ExpiresActive On # expire GIF images after a month in the client's cache ExpiresByType image/gif A2592000 ExpiresByType image/jpeg A2592000 ExpiresByType text/css A2592000 ExpiresByType application/x-javascript A2592000 # disable ETags FileETag None

Example apache 2.x performace config # Gzip Compression # Insert filter SetOutputFilter DEFLATE # Netscape 4.x has some problems... BrowserMatch ^Mozilla/4 gzip-only-text/html # Netscape 4.06-4.08 have some more problems BrowserMatch ^Mozilla/4.0[678] no-gzip # MSIE masquerades as Netscape, but it is fine BrowserMatch MSIE !no-gzip !gzip-only-text/html # NOTE: Due to a bug in mod_setenvif up to Apache 2.0.48 # the above regex won't work. You can use the following # workaround to get the desired effect: BrowserMatch MSI[E] !no-gzip !gzip-only-text/html # Don't compress images SetEnvIfNoCase Request_URI .(?:gif|jpe?g|png|mp3)$ no-gzip dont-vary # Make sure proxies don't deliver the wrong content Header append Vary User-Agent env=!dont-vary

Web Speed And Scalability

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