Re: Java version 11 for solr 7.5?

2018-09-27 Thread Erick Erickson
bq. Can you tell me where I could get insight into the testing cycles and results? Hmmm, here's one example: https://jenkins.thetaphi.de/job/Lucene-Solr-master-Linux/22921/ But we're not really tracking JDK 11 separately at the moment. I'd monitor the discussion at SOLR-12809 for the current

Re: Java version 11 for solr 7.5?

2018-09-27 Thread Ere Maijala
Shawn Heisey kirjoitti 26.9.2018 klo 21.16: On 9/26/2018 9:35 AM, Jeff Courtade wrote: My concern with using g1 is solely based on finding this. Does anyone have any information on this? https://wiki.apache.org/lucene-java/JavaBugs#Oracle_Java_.2F_Sun_Java_.2F_OpenJDK_Bugs I have never had

Re: Java version 11 for solr 7.5?

2018-09-26 Thread Jeff Courtade
This is true. I am thinking isf solr says 8 and up it really is 8 and up there is no other reference I find to not using G1 collection. The java support right now for old versions is really a mess. Currently if you want ongoing support patches without an Oracle support contract the only way to

Re: Java version 11 for solr 7.5?

2018-09-26 Thread Christopher Schultz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Jeff, On 9/26/18 11:35, Jeff Courtade wrote: > My concern with using g1 is solely based on finding this. Does > anyone have any information on this? > > https://wiki.apache.org/lucene-java/JavaBugs#Oracle_Java_.2F_Sun_Java_ .2F_OpenJDK_Bugs > >

Re: Java version 11 for solr 7.5?

2018-09-26 Thread Jeff Courtade
igher. > > > > -Original message- > > > From:Jeff Courtade > > > Sent: Wednesday 26th September 2018 17:36 > > > To: solr-user@lucene.apache.org > > > Subject: Re: Java version 11 for solr 7.5? > > > > > > My concern with using g

Re: Java version 11 for solr 7.5?

2018-09-26 Thread Jeff Courtade
The CMS settings are very nearly what we use after tons of load testing we changed newratio to 2 and it cut the 10 second pauses way down for us huge heap though On Wed, Sep 26, 2018, 2:17 PM Shawn Heisey wrote: > On 9/26/2018 9:35 AM, Jeff Courtade wrote: > > My concern with using g1 is

Re: Java version 11 for solr 7.5?

2018-09-26 Thread Shawn Heisey
On 9/26/2018 9:35 AM, Jeff Courtade wrote: My concern with using g1 is solely based on finding this. Does anyone have any information on this? https://wiki.apache.org/lucene-java/JavaBugs#Oracle_Java_.2F_Sun_Java_.2F_OpenJDK_Bugs I have never had a single problem with Solr running with the G1

Re: Java version 11 for solr 7.5?

2018-09-26 Thread Erick Erickson
Indeed, but JDK-8038348 has been fixed very recently for Java 9 or higher. > > -Original message- > > From:Jeff Courtade > > Sent: Wednesday 26th September 2018 17:36 > > To: solr-user@lucene.apache.org > > Subject: Re: Java version 11 for solr 7.5? > > &g

Re: Java version 11 for solr 7.5?

2018-09-26 Thread Jeff Courtade
.apache.org > > Subject: Re: Java version 11 for solr 7.5? > > > > My concern with using g1 is solely based on finding this. > > Does anyone have any information on this? > > > > > https://wiki.apache.org/lucene-java/JavaBugs#Oracle_Java_.2F_Sun_Java_.2F

RE: Java version 11 for solr 7.5?

2018-09-26 Thread Markus Jelsma
Indeed, but JDK-8038348 has been fixed very recently for Java 9 or higher. -Original message- > From:Jeff Courtade > Sent: Wednesday 26th September 2018 17:36 > To: solr-user@lucene.apache.org > Subject: Re: Java version 11 for solr 7.5? > > My concern with using

Re: Java version 11 for solr 7.5?

2018-09-26 Thread Jeff Courtade
My concern with using g1 is solely based on finding this. Does anyone have any information on this? https://wiki.apache.org/lucene-java/JavaBugs#Oracle_Java_.2F_Sun_Java_.2F_OpenJDK_Bugs "Do not, under any circumstances, run Lucene with the G1 garbage collector. Lucene's test suite fails with

Re: Java version 11 for solr 7.5?

2018-09-26 Thread Walter Underwood
We’ve been running G1 in prod for at least 18 months. Our biggest cluster is 48 machines, each with 36 CPUs, running 6.6.2. We also run it on our 4.10.4 master/slave cluster. wunder Walter Underwood wun...@wunderwood.org http://observer.wunderwood.org/ (my blog) > On Sep 26, 2018, at 7:37 AM,

Re: Java version 11 for solr 7.5?

2018-09-26 Thread Jeff Courtade
Thanks for that... I am just starting to look at this I was unaware of the license debacle. Automated testing up to 10 is great. I am still curious about the GC1 being supported now... On Wed, Sep 26, 2018 at 10:25 AM Zisis T. wrote: > Jeff Courtade wrote > > Can we use GC1 garbage collection

Re: Java version 11 for solr 7.5?

2018-09-26 Thread Zisis T.
Jeff Courtade wrote > Can we use GC1 garbage collection yet or do we still need to use CMS? I believe you should be safe to go with G1. We've applied it in in a Solr 6.6 cluster with 10 shards, 3 replicas per shard and an index of about 500GB (1,5T counting all replicas) and it works extremely

Re: Java version 11 for solr 7.5?

2018-09-26 Thread Alexandre Rafalovitch
The minimal required as per the changes file is 1.8 (8.x). I believe there is an automated testing up to 10 and there were some issues related to the modules but AFAIK they were resolved. So, you may be ok until then. However, the java 11 is a bit of a different beast. Both because the public

Java version 11 for solr 7.5?

2018-09-26 Thread Jeff Courtade
Hello, We are looking to migrate to solr 7.5 with java 11 from solr 4.3.0 with java 7. I have a couple basic questions... What version of Java is current solr 7.5 development and testing based on? Can we use java 11 with solr 7.5? any known issues? Can we use GC1 garbage collection yet or do