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From "Otis Gospodnetic (JIRA)" <j...@apache.org>
Subject [jira] Commented: (SOLR-127) Make Solr more friendly to external HTTP caches
Date Fri, 07 Dec 2007 18:45:43 GMT

    [ https://issues.apache.org/jira/browse/SOLR-127?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12549513
] 

Otis Gospodnetic commented on SOLR-127:
---------------------------------------

I gave my vote for this one, but ant test failed for me after I applied this patch.

> Make Solr more friendly to external HTTP caches
> -----------------------------------------------
>
>                 Key: SOLR-127
>                 URL: https://issues.apache.org/jira/browse/SOLR-127
>             Project: Solr
>          Issue Type: Wish
>            Reporter: Hoss Man
>             Fix For: 1.3
>
>         Attachments: HTTPCaching.patch, HTTPCaching.patch, HTTPCaching.patch, HTTPCaching.patch,
HTTPCaching.patch, HTTPCaching.patch, HTTPCaching.patch, HTTPCaching.patch, HTTPCaching.patch,
HTTPCaching.patch, HTTPCaching.patch, HTTPCaching.patch, HTTPCaching.patch, HTTPCaching.patch,
HTTPCaching.patch
>
>
> an offhand comment I saw recently reminded me of something that really bugged me about
the serach solution i used *before* Solr -- it didn't play nicely with HTTP caches that might
be sitting in front of it.
> at the moment, Solr doesn't put in particularly usefull info in the HTTP Response headers
to aid in caching (ie: Last-Modified), responds to all HEAD requests with a 400, and doesn't
do anything special with If-Modified-Since.
> t the very least, we can set a Last-Modified based on when the current IndexReder was
open (if not the Date on the IndexReader) and use the same info to determing how to respond
to If-Modified-Since requests.
> (for the record, i think the reason this hasn't occured to me in the 2+ years i've been
using Solr, is because with the internal caching, i've yet to need to put a proxy cache in
front of Solr)

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