Didn't see that, thanks for mentioning it though! On 31 October 2014 19:39, joergpra...@gmail.com <joergpra...@gmail.com> wrote:
> For JVM support, see > > > http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/setup.html > > "We recommend installing the Java 8 update 20 or later, or Java 7 update > 55 or later" > > Jörg > > On Fri, Oct 31, 2014 at 8:19 AM, Vaidik Kapoor <kapoor.vai...@gmail.com> > wrote: > >> 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 >> <https://groups.google.com/d/msgid/elasticsearch/CACWtv5mwvxGmww6kQyEtmcq9XjjghAB1LbrGaMJ2gRcF%2BFsJqg%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/CAKdsXoEyec8zLZfipmABn88M5aFb4hyu_FjubKfdggQabXuKNQ%40mail.gmail.com > <https://groups.google.com/d/msgid/elasticsearch/CAKdsXoEyec8zLZfipmABn88M5aFb4hyu_FjubKfdggQabXuKNQ%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/CAF3ZnZk7R4ybxwKFBqO55WD%2BREDzP6pYdUhZNpa85nXfcQVikw%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
