Compression technique for stored fields

Hi guys, While running my application I noticed that the lz4 is used as compression technique for stored field. Is there any option by which I can change it to snappy? Regards, Sandeep

Weird ClassCastException running lucene 5.2.1 on Java 1.8.

Greetings, Recently we port our load test environment to Java 1.8 and since then we are seeing a ClassCastException under heavy load after about 2 hours into our load test. Exception StackTrace below. ava.lang.ClassCastException: [J cannot be cast to [B at org.apache.lucene.util.fst

Grouping Lucene result

Hi, I was wondering how to extend the grouping lucene functionality as I am not sure how the values of the field are grouped therefore making me group them faster any tutorial or direction would be great Thanks, Taher Galal

Re: Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/lucene/codecs/lucene50/Lucene50DocValuesFormat

Thanks a lot for the quick prompt reply On Tue, Feb 23, 2016 at 12:30 PM, Michael McCandless < luc...@mikemccandless.com> wrote: > Likely you need to add backwards-codecs-5.5.0.jar, which holds the > codec components necessary to read indices created from releases older > than the current one, in

Re: Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/lucene/codecs/lucene50/Lucene50DocValuesFormat

Likely you need to add backwards-codecs-5.5.0.jar, which holds the codec components necessary to read indices created from releases older than the current one, into your classpath? Mike McCandless http://blog.mikemccandless.com On Tue, Feb 23, 2016 at 6:00 AM, Taher Galal wrote: > Hi, > > > I

Re: Profiling lucene 5.2.0 based tool

Thanks a lot guys. I really appreciate your response on my query. I'll create multiple threads and checkout that how much I can rate can be increased per thread. Regards, Sandeep On Tue, Feb 23, 2016 at 4:19 PM, Michael McCandless < luc...@mikemccandless.com> wrote: > Your profiler breakdown is

Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/lucene/codecs/lucene50/Lucene50DocValuesFormat

Hi, I get this exception with an update from 5.3.x to 5.5.0 not sure what is causing and how to solve it Best Regards, Taher Galal

Re: Profiling lucene 5.2.0 based tool

Your profiler breakdown is exactly what I'd expect: processing the fields is the heaviest part of indexing. Except, it doesn't have any merges? Did you run it for long enough? Note that by default Lucene runs merges in a background thread (ConcurrentMergeScheduler). If you really must be single

[ANNOUNCE] Apache Solr 5.5.0 released

23 February 2016, Apache Solr™ 5.5.0 available Solr is the popular, blazing fast, open source NoSQL search platform from the Apache Lucene project. Its major features include powerful full-text search, hit highlighting, faceted search, dynamic clustering, database integration, rich document (e.g.,

[ANNOUNCE] Apache Lucene 5.5.0 released

23 February 2016, Apache Lucene™ 5.5.0 available The Lucene PMC is pleased to announce the release of Apache Lucene 5.5.0, expected to be the last 5.x feature release before Lucene 6.0.0. Apache Lucene is a high-performance, full-featured text search engine library written entirely in Java. It is

RE: Profiling lucene 5.2.0 based tool

Hi, There is nothing you can improve in a single-threaded case. You can only parallelize to get more out of it. Lucene is optimized to do parallel processing while indexing so you should make use of that. > > > Note: After going through the code I found out that addDocument is > > > internally