Thanks for spreading the word! On Tue, Jul 17, 2018 at 4:35 PM Adrien Grand <[email protected]> wrote:
> In the past weeks we got more and more reports of this segfault. It > manifests with JDK 10 and processors that support AVX-512 instructions. For > instance this bug has been reproduced by several users on AWS C5 and M5 > instances. > > I have no reason to think that only Elasticsearch is affected. Solr and > other Lucene-based applications are probably affected too. It can be worked > around by passing -XX:UseAVX=2 to the JVM arguments. > > This bug is tracked at https://bugs.openjdk.java.net/browse/JDK-8207746. > Kudos to Jason Tedor for digging and reporting this bug. > > Le mer. 20 juin 2018 à 11:05, Adrien Grand <[email protected]> a écrit : > >> FYI we have had 3 independent reports of segfaults in >> org.apache.lucene.util.MergedIterator.pullTop() when running Elasticsearch >> with Java 10. Here is one of them: >> https://github.com/elastic/elasticsearch/issues/31425. It's still >> unclear to me what conditions need to be met for this bug to reproduce. I'm >> wondering whether anyone has seen this JVM bug before? For the record, >> Elasticsearch doesn't use MergedIterator explicitly, it only gets used via >> MultiFields when merging terms. >> > -- Lucene/Solr Search Committer, Consultant, Developer, Author, Speaker LinkedIn: http://linkedin.com/in/davidwsmiley | Book: http://www.solrenterprisesearchserver.com
