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From "Damien Katz (JIRA)" <j...@apache.org>
Subject [jira] Closed: (COUCHDB-807) authentication cache (user docs cache)
Date Wed, 23 Jun 2010 19:12:52 GMT

     [ https://issues.apache.org/jira/browse/COUCHDB-807?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Damien Katz closed COUCHDB-807.
-------------------------------

    Fix Version/s: 1.0
       Resolution: Fixed

> authentication cache (user docs cache)
> --------------------------------------
>
>                 Key: COUCHDB-807
>                 URL: https://issues.apache.org/jira/browse/COUCHDB-807
>             Project: CouchDB
>          Issue Type: Improvement
>         Environment: trunk
>            Reporter: Filipe Manana
>            Assignee: Filipe Manana
>             Fix For: 1.0
>
>         Attachments: auth_cache.patch, auth_cache_2.patch
>
>
> Currently, in order to authenticate an incoming request, each authentication handler
will read a user doc from the _users DB.
> By default, 3 authentication handlers are defined (default.ini), which means we can have
3 _users DB lookups (besides 3 DB open and close operations).
> Taking into account that this is done for each incoming HTTP request, for very busy servers
this current behaviour might be overkill.
> The following patch adds a new gen_server which implements an authentication cache and
keeps the _users DB open all the time, so that cache misses and refreshes are as quick as
possible.

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