[jira] [Assigned] (SOLR-5290) Warming up using search logs.

["Mark Miller (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SOLR-5290?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mark Miller reassigned SOLR-5290:
---------------------------------

    Assignee: Mark Miller

> Warming up using search logs.
> -----------------------------
>
>                 Key: SOLR-5290
>                 URL: https://issues.apache.org/jira/browse/SOLR-5290
>             Project: Solr
>          Issue Type: Wish
>          Components: search
>    Affects Versions: 4.4
>            Reporter: Minoru Osuka
>            Assignee: Mark Miller
>            Priority: Minor
>         Attachments: SOLR-5290.patch
>
>
> It is possible to warm up of cache automatically in newSearcher event, but it is impossible to warm up of cache automatically in firstSearcher event because there isn't old searcher.
> We describe queries in solrconfig.xml if we required to cache in firstSearcher event like this:
> {code:xml}
>     <listener event="firstSearcher" class="solr.QuerySenderListener">
>       <arr name="queries">
>         <lst>
>           <str name="q">static firstSearcher warming in solrconfig.xml</str>
>         </lst>
>       </arr>
>     </listener>
> {code}
> This setting is very statically. I want to query dynamically in firstSearcher event when restart solr. So I paid my attention to the past search log. I think if there are past search logs, it is possible to warm up of cache automatically in firstSearcher event like an autowarming of the cache in newSearcher event.
> I had created QueryLogSenderListener which extended QuerySenderListener.
> Sample definition in solrconfig.xml:
>  - directory : Specify the Solr log directory. (Required)
>  - regex : Describe the regular expression of log. (Required)
>  - encoding : Specify the Solr log encoding. (Default : UTF-8)
>  - count : Specify the number of the log to process. (Default : 100)
>  - paths : Specify the request handler name to process.
>  - exclude_params : Specify the request parameter to except.
> {code:xml}
>     <!-- Warming up using search logs.
>       -->
>     <listener event="firstSearcher" class="solr.QueryLogSenderListener">
>       <arr name="queries">
>         <lst>
>           <str name="q">static firstSearcher warming in solrconfig.xml</str>
>         </lst>
>       </arr>
>       <str name="directory">logs</str>
>       <str name="encoding">UTF-8</str>
>       <str name="regex"><![CDATA[^(?<level>[\w]+)\s+\-\s+(?<timestamp>[\d\-\s\.:]+);\s+(?<class>[\w\.\_\$]+);\s+\[(?<core>.+)\]\s+webapp=(?<webapp>.+)\s+path=(?<path>.+)\s+params=\{(?<params>.*)\}\s+hits=(?<hits>\d+)\s+status=(?<status>\d+)\s+QTime=(?<qtime>\d+).*]]></str>
>       <arr name="paths">
>         <str>/select</str>
>       </arr>
>       <int name="count">100</int>
>       <arr name="exclude_params">
>         <str>indent</str>
>         <str>_</str>
>       </arr>
>     </listener>
> {code}
> I'd like to propose this feature.



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