Would love to hear from Elasticsearch about plans on moving to Java 8. Vaidik Kapoor vaidikkapoor.info
On 31 October 2014 03:08, joergpra...@gmail.com <joergpra...@gmail.com> wrote: > Of course is Java 8 worth the effort. > > Some highlights: > > - no more permgen OOMs > - improved concurrency implementations: > http://docs.oracle.com/javase/8/docs/technotes/guides/concurrency/changes8.html > - faster hash maps (20%) > - lambda expressions are faster than inner classes > > Some concurrency classes like LongAdder are already included in ES. > > Java 8 JVM brings also G1 GC to its full extension. G1 GC is not faster > than CMS GC, but it scales much better over multicore and reduces > stop-the-world pauses to milliseconds. > > To exploit the full advantage of Java 8, ES would need a large overhaul by > rewriting inner classes to lambda style, streams, fork/join pool etc. As > long as Lucene does not switch to Java 8, the benefit is only partial. > > Jörg > > > > > On Thu, Oct 30, 2014 at 9:01 PM, Georgi Ivanov <georgi.r.iva...@gmail.com> > wrote: > >> Hi , >> I wander if i should start using Java 8 with my ES cluster. >> >> Are there any benefits using Java 8 ? >> For example : >> faster GC , faster Java itself .. anything ES would bebefit from Java 8 >> .. etc >> >> >> Please share your experience. >> >> Georgi >> >> -- >> You received this message because you are subscribed to the Google Groups >> "elasticsearch" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to elasticsearch+unsubscr...@googlegroups.com. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/elasticsearch/9cf82905-63cf-43f2-b14a-de8f21cb4b50%40googlegroups.com >> <https://groups.google.com/d/msgid/elasticsearch/9cf82905-63cf-43f2-b14a-de8f21cb4b50%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> For more options, visit https://groups.google.com/d/optout. >> > > -- > You received this message because you are subscribed to the Google Groups > "elasticsearch" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to elasticsearch+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/elasticsearch/CAKdsXoGS98nt8%2ByPdm14UHR0pvZVzqVVE%3DtQakQhB_8R6arnNw%40mail.gmail.com > <https://groups.google.com/d/msgid/elasticsearch/CAKdsXoGS98nt8%2ByPdm14UHR0pvZVzqVVE%3DtQakQhB_8R6arnNw%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. To unsubscribe from this group and stop receiving emails from it, send an email to elasticsearch+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/elasticsearch/CACWtv5mwvxGmww6kQyEtmcq9XjjghAB1LbrGaMJ2gRcF%2BFsJqg%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
