Chris Hegarty
Chris Hegarty
This is a bug - the update index settings API, with the default _expand_wildcards_ query value of _open_, should not match system indices.
@gwbrown @williamrandolph > Are there any situations where `_all` _should_ change settings on system indices?
The G1 issue is reproducible on Linux x64 with the nyc_taxis benchmark, see https://github.com/elastic/elasticsearch-benchmarks/issues/1989. We're currently running this benchmark with a locally built JDK 22.0.2 that includes the JDK bug...
I'm going to get some perf number from the jmh benchmarks in the Elasticsearch repo.
Here are some perf numbers from my SkyLake, but with only AVX2, since I wanna compare with the native implementations that is currently AVX2. ``` ... # VM options: --add-modules=jdk.incubator.vector...
Correct me if I'm wrong, but Java 21 exhibits better behaviour here ( less or no circuit breaker exceptions ), than that of Java 20.0.x.
Awareness of this issue has been raised to OpenJDK. Specifically a comment summarising and referring to this GH issue has been added to several of the JDK issues, e.g. see...
I'm going to distill this down to a JDK-only test case and report it to OpenJDK.
JDK bug report: https://bugs.openjdk.org/browse/JDK-8323659
Note: the underlying change that has caused this problem for Elasticsearch is also ported to JDK 21.0.2. I'm trying to determine if we can squeeze a fix into 21.0.2, but...