PrettyFS perl

()

()

wassr

wema (wiki) perl

wasaco (wassr client) perl

xircd (irc server) perl

agenda

Web

mogilefs

prettyfs

Web

()

(podcast, )

DB(RDBMS)

(file read/write)

app serverNFS

rsyncapp server

DB

app serverMySQLBLOB

mogilefs

livedoorapache+mod_perl

(amazon S3)

mogilefs

perl

Brad Fitzpatrick

trackstore(perlbal)

mogilefs

storestorestorestoretrackertracker

client

perlbal

tracker

client

storeURL()

store

WebDAVHTTP

trackerstore

mogile

devicestore

class

classdevice

AB

perlbal

Perl

X-REPROXY-URLappURLperlbal

trackerstoreURL(s)

storeheader(content-type)app

mogilefs

perlbal

storeURL(X-REPROXY-CACHE-FOR)

class,device

(store)

!

prettyfs

1host1tracker,store

trackerrevers proxyperlbal()

prettyfs

dbdbRDBMSKVS

content-typeHTTP header

tracker

workerjob queuestore

mogilestore URL

trackerhttpd(storerevers proxy)http://tracker/filekey URL

URL

mogilefs+tracker+store

store

storestore

store

trackerplack

worker, db