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From Nagendra Nagarajayya <nnagaraja...@transaxtions.com>
Subject Re: [Announce] Apache Solr 3.6.2 with RankingAlgorithm 1.4.3 available for download now -- includes experimental TimedSerialMergeSchdeduler
Date Tue, 29 Jan 2013 13:34:47 GMT
Hi David:

Did you have a chance to see my comments in the JIRA ?

Regards,
-NN

On 1/28/2013 11:58 AM, Smiley, David W. wrote:
> Nagendra,
>
> I'm surprised to see you're still promoting your realtime-search based
> system given the critical problem that Yonik found:
> https://issues.apache.org/jira/browse/SOLR-3816?focusedCommentId=13494815&p
> age=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#commen
> t-13494815
>
> That is a serious fundamental flaw, I'm sorry to say.  To quote Yonik:
> "You'll get incorrect documents back, incorrect facets back, pretty much
> any number of random looking bugs because internal docids will be changing
> underneath you."   This won't necessarily happen all the time depending on
> the timing of the search with respect to concurrent changes, but it can
> happen.
>
> ~ David Smiley
>
> On 1/27/13 9:25 AM, "Nagendra Nagarajayya" <nnagarajayya@transaxtions.com>
> wrote:
>
>> Hi:
>>
>> I am very excited to announce the availability of Apache Solr 3.6.2 with
>> RankingAlgorithm30 1.4.3 with realtime-search support. realtime-search
>> is very fast NRT and allows you to not only lookup a document by id but
>> also allows you to search in realtime, see
>> http://tgels.org/realtime-nrt.jsp. The update performance is about
>> 10,000 docs / sec. The query performance is in ms, allows you to  query
>> a 10m wikipedia index (complete index) in <50 ms.
>>
>> This release also includes a experimental TimedSerialMergeScheduler
>> <http://rankingalgorithm.1050964.n5.nabble.com/TimedSerialMergerScheduler-
>> java-allows-merges-to-be-deferred-to-a-known-time-like-11pm-or-1am-tp57063
>> 50.html> that
>> allows you to postpone your merges to off hours time like 11pm or 1am
>> increasing performance.
>>
>> RankingAlgorithm30 1.4.3 supports the entire Lucene Query Syntax, ±
>> and/or boolean queries.
>>
>> You can get more information about realtime-search performance from here:
>> http://solr-ra.tgels.org/wiki/en/Near_Real_Time_Search_ver3.x
>>
>> You can download Solr 3.6.2 with RankingAlgorithm30 1.4.3 from here:
>> http://solr-ra.tgels.org
>>
>> Please download and give the new version a try.
>>
>> Note:
>> 1. Apache Solr 3.6.2 with RankingAlgorithm30 1.4.3 is an external project.
>> 2. realtime-search has been contributed back to Apache Solr, see
>> https://issues.apache.org/jira/browse/SOLR-3816
>>
>>
>> Regards,
>>
>> Nagendra Nagarajayya
>> http://solr-ra.tgels.org
>> http://elasticsearch-ra.tgels.org
>> http://rankingalgorithm.tgels.org
>>
>
>


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