+1 Great work!
On Thu., 26 Dec. 2019, 17:11 Shad Storhaug, <[email protected]> wrote: > It's time to release the latest developments on Lucene.NET 4.8.0. Here are > some of the highlights: > > > 1. The NativeFSLockFactory has been patched so it works reliably > cross-OS. > 2. LurchTable has been fixed so it works on Xamarin.iOS. > 3. The Lucene.Net.TestFramework is being released for the first time. > 4. Two analysis modules, Lucene.Net.Analysis.OpenNLP and > Lucene.Net.Analsis.Morfologik are also being released for the first time. > 5. Performance has been improved. > 6. .netstandard1.6 support has been dropped, and .netstandard2.1 > support has been added. > > Much of what used to be in Lucene.Net.Support has been cleaned up, > documented, and moved to a new library named J2N. Benchmarks have been > performed to optimize the code far better than it was. We have also taken > advantage of .NET Core 3's hardware intrinsics APIs ( > https://s.apache.org/hardware-intrinsics) to get an extra boost if > running on X86/X64 hardware. > > How much has performance improved? It is difficult to tell. I am getting > inconsistent results between running locally and on Azure DevOps. Running > locally on my Coffee Lake processor, I am seeing increases of 200%-300% for > some tests projects others have barely changed at all, on Azure DevOps, the > improvements are only about 15%-20% for a complete test run. > > Please perform your own benchmarks for both Lucene.NET 4.8.0-beta00006 and > 4.8.0-beta00007 on some realistic configuration and let us know the results > so we can include some non-inflated expectations in the release > announcement. Benchmark.NET is a great tool for this: > https://github.com/dotnet/BenchmarkDotNet. > > Upon this release, we can resolve the following open JIRA issues: > > LUCENENET-615 - PerFieldAnalyzerWrapper.GetTokenStream throws > NullReferenceException when first arg is null. > LUCENENET-612 - PerFieldAnalyzerWrapper usability issues due to lack of > documentation > LUCENENET-621 - Failing Test: > Lucene.Net.Search.TestSearchAfter::TestQueries() > LUCENENET-622 - Failing Test: > Lucene.Net.Util.TestVersionComparer::TestVersions() > LUCENENET-617 - Deadlock caused by NativeFSLockFactory > LUCENENET-602 - Error using Lucene.Net.Facet 4.8.0-beta00005 with > Xamarin.iOS > LUCENENET-614 - Make Lucene.Net.TestFramework functionality available to > end users > > Resolved for .NET Standard 2.1+ only: > > LUCENENET-610 - Reduce locking in FieldCacheImpl::Cache::Get > > > Lucene.NET 4.8.0-beta00007 > > Test results of this release build: https://s.apache.org/test-results > The release artifacts can be downloaded from: > https://dist.apache.org/repos/dist/dev/lucenenet/ > The tag is: > https://github.com/apache/lucenenet/releases/tag/Lucene.Net_4_8_0_beta00007 > > As usual, when you unzip the src release distribution, you can build and > test (on Windows only) by running > > build -t -mp:10 > > -t means to test > -mp is the maximum number of tests to in parallel > > Do note that the .NET Framework 4.8 developer pack is now a prerequisite > > > This vote will close no sooner than 72 hours from now, i.e. sometime after > 6:15 UTC 29-December-2019. All Lucene.NET committers, PMC members, and dev > mailing list members are encouraged to participate in the voting process. > We only count the PMC as official votes, but the feedback of the community > is also valuable. > > +1 - It's a go > 0 - Neutral, no opinion > -1 - Hold everything, we need to address... > > > Happy Holidays, > Shad Storhaug (NightOwl888) > Project Chairperson - Apache Lucene.NET >
