On 6/29/08, Jeff Peng <peng.kyo@xxxxxxxxx> wrote: > How do you cache the dynamic pages? ignore Cache-Control: private > headers or something like that? > The method which is used by wikipedia is cache all dynamic pages as long as possible, but when user update, purge from it. Example HTTP response: Status=OK - 200 Date=Sun, 29 Jun 2008 13:59:17 GMT Server=Apache X-Powered-By=PHP/5.2.1 Cache-Control=private, s-maxage=0, max-age=0, must-revalidate Content-Language=en Vary=Accept-Encoding,Cookie X-Vary-Options=Accept-Encoding;list-contains=gzip,Cookie;string-contains=enwikiToken;string-contains=enwikiLoggedOut;string-contains=enwiki_session;string-contains=centralauth_Token;string-contains=centralauth_Session;string-contains=centralauth_LoggedOut Last-Modified=Sun, 29 Jun 2008 13:58:08 GMT Content-Encoding=gzip Content-Length=15289 Content-Type=text/html; charset=utf-8 Age=45672 X-Cache=HIT from sq27.wikimedia.org, MISS from sq23.wikimedia.org X-Cache-Lookup=HIT from sq27.wikimedia.org:3128, MISS from sq23.wikimedia.org:80 Via=1.0 sq27.wikimedia.org:3128 (squid/2.6.STABLE18), 1.0 sq23.wikimedia.org:80 (squid/2.6.STABLE18) Connection=keep-alive Their usage is simpler as they only need to purge per page, but most common apps would need to purge per channel as Mark (Yahoo!) pointed out. Thanks.
