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19 Aug 08

Memcachedb: A distributed key-value storage system designed for persistent

memcachedb.org - Preview

memcachedb memcached

09 Aug 08

Memcached Protocol

code.sixapart.com/...protocol.txt - Preview

If it's 0, the item never expires
(although it may be deleted from the cache to make place for other
items).

04 Jun 08

Tangent Software: Memcached Functions for MySQL

tangent.org/...ached_Functions_for_MySQL.html - Preview

MySQL memcached UDF

23 May 08

MySQL :: Designing and Implementing Scalable Applications with Memcached and MySQL

www.mysql.com/...display-142.html - Preview

MySQL memcached

LuaMemcached

luamemcached.luaforge.net - Preview

09 May 08

Memcached and MySQL: Everything You Need To Know: MySQL Conference & Expo — Co-presented by MySQL & O'Reilly Conferences, April 14 - 17, 2008, Santa Clara, CA

en.oreilly.com/...1627 - Preview

MySQL Conference & Expo MySQL memcached

18 Mar 08

Distributed Caching with Memcached | Linux Journal

www.linuxjournal.com/7451 - Preview

I knew from the beginning of LiveJournal's development that pregenerating static pages wasn't a
viable optimization technique. It's impossible due to the constituent objects' cacheability and lifetimes
being so different, so you make a bunch of sacrifices and waste a lot of time precomputing pages more often
than they're requested.
Because processors keep getting faster, I find it
preferable to burn CPU cycles rather than wait for disks.
13 more annotations...
- The rationale for
  independent clusters is to spread writes.
- At this point you can see LiveJournal's back-end philosophy:
  
  Avoid disks: they're a pain. When necessary, use only fast, redundant I/O systems.
  
  Scale out, not up: many little machines, not big machines.
- Prior to Memcached, our Web nodes unconditionally hit our databases.
  This worked, but it wasn't as optimal as it could've been. I realized
  that even with 4G or 8G of memory, our database server caches were
  limited
- even though each process
  on 32-bit Linux usually can address only 3GB of memory.
- Memcached presents to the user a dictionary interface (key ->
  value), but it's implemented internally as a two-layer hash. The first layer is implemented in the client
  library; it decides which Memcached server to send the request to by hashing the key onto a list of virtual
  buckets, each one representing a Memcached server. Once there, the selected Memcached server uses a typical
  hash table.
- Running Memcached on the same machine as mod_perl works well, because
  our mod_perl code is CPU-heavy, whereas Memcached hardly touches the CPU.
- The initial prototype of Memcached was written in Perl.
- Inside Memcached, all algorithms are O(1). That is, the runtime of the algorithms and CPU used never
  varies with the number of concurrent clients
- Indeed, we've had production Memcached servers up for 4-5 months at a time, averaging 7,000
  queries/second, without problems and maintaining consistently low CPU usage.
- Another key requirement for Memcached was that it be lockless.
- A final optimization worth noting is that the protocol allows fetching multiple keys at once.
- Profile your application and
  database queries to see where you're killing the most time and then cache from there.
- Brad Fitzpatrick has been hacking database-driven Web sites for eight years.

15 Mar 08

Rails, Ruby & Prototype ramblings—Lourens Naudé

blog.methodmissing.com/...get-your-caffeine-on - Preview

libketama - a consistent hashing algo for memcache clients – RJ’s Journal – Users at Last.fm

www.last.fm/...392555 - Preview

algorithm hashing memcached

memcachedb at Gea-Suan Lin’s BLOG

blog.gslin.org/...1431 - Preview

berkeleydb memcached memcachedb

09 Mar 08

[视频]新浪工程师谈为什么参与开源软件项目？|Memcachedb|开源|ncache|

www.20ju.com/V16957.htm - Preview

memcached memcachedb ncache

Tangent Software: libmemcached

tangent.org/libmemcached.html - Preview

libmemcached memcached

memcachedb,很棒的一个组件

blog.chumenle.com/?p=74 - Preview

berkeleydb memcached memcachedb

memcachedb单线程访问bdb的阻塞问题 - SWiK

swik.net/...b272t - Preview

memcached memcachedb

RubyForge: Starling: Project Info

rubyforge.org/starling - Preview

memcached ruby starling twitter

memcachedb的性能测试_XMPP Jabber即时通讯开发实践

hi.baidu.com/...f556c7fc2959df86b901a0a7.html - Preview

berkeleydb memcached memcachedb

08 Mar 08

Tangent Software: memcache_engine

tangent.org/...memcache_engine.html - Preview

memcache_engine memcached mysql

19 Jan 08

Sina 开发团队的开源项目: Memcachedb 与 NCache - DBA notes

直

www.dbanotes.net/...sina_memcachedb_ncache.html - Preview

berkeleydb memcached memcachedb sina

22 Nov 07

Class: MemCache

www.deveiate.org/...MemCache.html - Preview

Memcached Compression Problem

lists.danga.com/...005488.html - Preview

compression memcached

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