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From "Hoss Man (JIRA)" <j...@apache.org>
Subject [jira] Updated: (SOLR-127) Make Solr more friendly to external HTTP caches
Date Wed, 23 Jan 2008 22:30:42 GMT

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

Hoss Man updated SOLR-127:
--------------------------

    Attachment: HTTPCaching.patch

this patch is functionally the same as the last patch from Thomas  but updated to work against
the HEAD (r614702) without patch warnings. 

i'm reviewing the patch in depth now.

> 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
>            Assignee: 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, 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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