[jira] [Assigned] (COUCHDB-1942) Add info to the docs how Caching works in CouchDB (HTTP)

["Andy Wenk (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/COUCHDB-1942?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andy Wenk reassigned COUCHDB-1942:
----------------------------------

    Assignee: Andy Wenk

> Add info to the docs how Caching works in CouchDB (HTTP)
> --------------------------------------------------------
>
>                 Key: COUCHDB-1942
>                 URL: https://issues.apache.org/jira/browse/COUCHDB-1942
>             Project: CouchDB
>          Issue Type: Documentation
>          Components: Documentation
>            Reporter: Andy Wenk
>            Assignee: Andy Wenk
>
> [15:14:21] <yawnt>	 hi
> [15:14:36] <yawnt>	 is it possible to cache couchdb using, for instance, varnish and etags?
> [15:14:44] <yawnt>	 all i can find on google is stuff that dates back 3 years :\
> [15:15:33] <+rnewson>	 yawnt: yes, we send ETag, etc.
> [15:15:47] <yawnt>	 because i read that varnish only supported etags in the frontend
> [15:15:52] <+rnewson>	 not much value in a cache for some operations, though.
> [15:15:54] <yawnt>	 and doesn't check in the backend
> [15:16:15] <yawnt>	 rnewson: in particular i'm talking about caching attachments
> [15:16:28] <+rnewson>	 competent http caching proxies will work in front of couchdb, I don't know varnish.
> [15:16:41] <+rnewson>	 caching attachments could be useful, sure.
> [15:16:44] <+rnewson>	 and view output
> [15:17:03] <yawnt>	 i guess i'll drop by in #varnish then
> [15:17:05] <+rnewson>	 anywhere where the staleness check is cheaper than the evaluation, basically.
> [15:17:05] <yawnt>	 thanks for your help :)
> [15:17:11] <yawnt>	 obviously!
> [15:17:29] <+rnewson>	 I wish it were obvious to more people, :)
> [15:17:51] <yawnt>	 haha yeah i suppose so
> [15:18:51] <yawnt>	 cache isn't dark magic :D
> [15:20:12] <+awenkhh>	 rnewson: maybe we could add some info about that in the docu although it's already an existing concept hwen using http?
> [15:21:34] <+rnewson>	 awenkhh: I guess we could expand on it, but, yeah, it's a standard 2616 thing.
> [15:22:16] <+awenkhh>	 rnewson: got an idea where a good place would be in the docs?
> [15:22:34] <+rnewson>	 none, sorry. I'm an avoider of documentation.
> [15:22:35] <+Kxepal>	 awenkhh: http://docs.couchdb.org/en/latest/config/proxying.html
> [15:23:07] <+Kxepal>	 thought it contains information how to use couchdb as proxy, I think it's good place about how to use proxies with couchdb too



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