RES: Is the add command atomic ?
brian at tangent.org
Wed Mar 26 19:51:40 UTC 2008
On Mar 26, 2008, at 12:40 PM, Fausto Richetti Blanco wrote:
> I understand what you said about "the small chance it could get
> ejected". Is there a way to configure memcached to never discard
> data ? What do you mean by "depending on other factors" ? If the
> memory available to memcached is guaranteed to have enough space to
> store all my locks and I do not set expiration on any keys, can
> memcached still discard some locks ?
Avoid SET operations, and use just add and replace (and if you want to
get really paranoid CAS).
What is missing right now is a DELETE BY CAS and atomic set/add/
replace that return a CAS identifier.
Brian "Krow" Aker, brian at tangent.org
http://krow.net/ <-- Me
http://tangent.org/ <-- Software
You can't grep a dead tree.
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