Hi Daniel,

interesting - I never thought of autocompletion but for keeping track of user 
behaviour :-)

* the numbers are helpful for the online advertisement team to sell campaigns
* it is used for sanity checks - sensible queries returning no results or 
returning too many results

Cheers,

Siegfried Goeschl

> On 06 Apr 2015, at 20:04, Davis, Daniel (NIH/NLM) [C] <daniel.da...@nih.gov> 
> wrote:
> 
> Siegfried,
> 
> It is early days as yet.   I don't think we need a code drop.   AFAIK, none 
> of our current Solr applications autocomplete the search box based on popular 
> query/title keywords.   We have other applications that do that, but they 
> don't use Solr.
> 
> Thanks again,
> 
> Dan
> 
> -----Original Message-----
> From: Siegfried Goeschl [mailto:sgoes...@gmx.at] 
> Sent: Monday, April 06, 2015 1:42 PM
> To: solr-user@lucene.apache.org
> Subject: Re: Measuring QPS
> 
> Hi Dan,
> 
> at willhaben.at (customer of mine) two SOLR components were written for SOLR 
> 3 and ported to SORL 4
> 
> 1) SlowQueryLog which dumps long-running search requests into a log file
> 
> 2) Most Frequent Search Terms allowing to query & filter the most frequent 
> user search terms over the browser
> 
> Some notes along the line
> 
> 
> * For both components I have the “GO" to open source them but I never had 
> enough time to do that (shame on me) - see 
> https://issues.apache.org/jira/browse/SOLR-4056
> 
> * The Most Frequent Search Term component actually mimics a SOLR server you 
> feed the user search terms so this might be a better solution in the long 
> run. But this requires to have a separate SOLR core & ingest  plus GUI (check 
> out SILK or ELK) - in other words more moving parts in production :-)
> 
> * If there is sufficient interest I can make a code drop on GitHub 
> 
> Cheers,
> 
> Siegfried Goeschl
> 
> 
> 
>> On 06 Apr 2015, at 16:25, Davis, Daniel (NIH/NLM) [C] <daniel.da...@nih.gov> 
>> wrote:
>> 
>> Siegfried,
>> 
>> This is a wonderful find.   The second presentation is a nice write-up of a 
>> large number of free tools.   The first presentation prompts a question - 
>> did you add custom request handlers/code to automate determination of best 
>> user search terms?   Did any of your custom work end-up in Solr?
>> 
>> Thank you so much,
>> 
>> Dan
>> 
>> P.S. - your first presentation takes me back to seeing "Angrif der 
>> Klonkrieger" in Berlin after a conference - Hayden Christensen was less 
>> annoying in German, because my wife and I don't speak German ;)   I haven't 
>> thought of that in a while.
>> 
>> -----Original Message-----
>> From: Siegfried Goeschl [mailto:sgoes...@gmx.at]
>> Sent: Saturday, April 04, 2015 4:54 AM
>> To: solr-user@lucene.apache.org
>> Subject: Re: Measuring QPS
>> 
>> Hi Dan,
>> 
>> I’m using JavaMelody for my SOLR production servers - gives you the 
>> relevant HTTP stats (what’s happening now & historical data) plus JVM 
>> monitoring as additional benefit. The servers are deployed on Tomcat 
>> so I’m of little help regarding Jetty - having said that
>> 
>> * you need two Jars (javamelody & robin)
>> * tinker with web.xml
>> 
>> Here are two of my presentations mentioning JavaMelody (plus some 
>> other stuff)
>> 
>> http://people.apache.org/~sgoeschl/presentations/solr-from-development
>> -to-production-20121210.pdf 
>> <http://people.apache.org/~sgoeschl/presentations/solr-from-developmen
>> t-to-production-20121210.pdf> 
>> http://people.apache.org/~sgoeschl/presentations/jsug-2015/jee-perform
>> ance-monitoring.pdf 
>> <http://people.apache.org/~sgoeschl/presentations/jsug-2015/jee-perfor
>> mance-monitoring.pdf>
>> 
>> Cheers,
>> 
>> Siegfried Goeschl
>> 
>>> On 03 Apr 2015, at 17:53, Shawn Heisey <apa...@elyograg.org> wrote:
>>> 
>>> On 4/3/2015 9:37 AM, Davis, Daniel (NIH/NLM) [C] wrote:
>>>> I wanted to gather QPS for our production Solr instances, but I was 
>>>> surprised that the Admin UI did not contain this information.   We are 
>>>> running a mix of versions, but mostly 4.10 at this point.   We are not 
>>>> using SolrCloud at present; that's part of why I'm checking - I want to 
>>>> validate the size of our existing setup and what sort of SolrCloud setup 
>>>> would be needed to centralize several of them.
>>>> 
>>>> What is the best way to gather QPS information?
>>>> 
>>>> What is the best way to add information like this to the Admin UI, if I 
>>>> decide to take that step?
>>> 
>>> As of Solr 4.1 (three years ago), request rate information is 
>>> available in the admin UI and via JMX.  In the admin UI, choose a 
>>> core from the dropdown, click on Plugins/Stats, then QUERYHANDLER, 
>>> and open the handler you wish to examine.  You have 
>>> avgRequestsPerSecond, which is calculated for the entire runtime of 
>>> the SolrCore, as well as 5minRateReqsPerSecond and 
>>> 15minRateReqsPerSecond, which are far more useful pieces of information.
>>> 
>>> https://issues.apache.org/jira/browse/SOLR-1972
>>> 
>>> Thanks,
>>> Shawn
>>> 
>> 
> 

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