Memcache Vs Memcached

Question

Possible Duplicate    Using Memcache vs Memcached with PHP       Someone can explain me the difference between Memcache and Memcached in PHP environment  What are the advantages of one over the other  Can you also suggest the criteria used to choose between one or the other

User · Answer

They are not identical  Memcache is older but it has some limitations  I was using just fine in my application until I realized you can t store literal FALSE in cache  Value FALSE returned from the cache is the same as FALSE returned when a value is not found in the cache  There is no way to check which is which  Memcached has additional method  among others  Memcached  getResultCode that will tell you whether key was found   Because of this limitation I switched to storing empty arrays instead of FALSE in cache  I am still using Memcache  but I just wanted to put this info out there for people who are deciding

User · Answer

PartlyStolen from ServerFault   I think that both are functionally the same  but they simply have different authors  and the one is simply named more appropriately than the other     Here is a quick backgrounder in naming conventions  for those unfamiliar   which explains the frustration by the question asker  For many  nix applications  the piece that does the backend work is called a  daemon   think  service  in Windows-land   while the interface or client application is what you use to control or access the daemon  The daemon is most often named the same as the client  with the letter  d  appended to it  For example  imap  would be a client that connects to the  imapd  daemon   This naming convention is clearly being adhered to by memcache when you read the introduction to the memcache module  notice the distinction between memcache and memcached in this excerpt       Memcache module provides handy   procedural and object oriented   interface to memcached  highly   effective caching daemon  which was   especially designed to decrease   database load in dynamic web   applications       The Memcache module also provides a   session handler  memcache        More information about memcached can   be found at      http   www danga com memcached     The frustration here is caused by the author of the PHP extension which was badly named memcached  since it shares the same name as the actual daemon called memcached  Notice also that in the introduction to memcached  the php module   it makes mention of libmemcached  which is the shared library  or API  that is used by the module to access the memcached daemon      memcached is a high-performance    distributed memory object caching   system  generic in nature  but   intended for use in speeding up   dynamic web applications by   alleviating database load       This extension uses libmemcached   library to provide API for   communicating with memcached servers    It also provides a session handler    memcached        Information about libmemcached can be   found at      http   tangent org 552 libmemcached html

[php] Memcache Vs. Memcached

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