Constants

The default ReadAdvice used for opening index files. It will be by default, unless set by system property org.apache.lucene.store.defaultReadAdvice.

True iff running on FreeBSD

true iff we know FMA has faster throughput than separate mul/add.

true iff we know VFMA has faster throughput than separate vmul/vadd.

True iff the Java runtime is a client runtime and C2 compiler is not enabled.

True iff the Java VM is based on Hotspot and has the Hotspot MX bean readable by Lucene.

True if jvmci is enabled (e.g. graalvm)

The value of System.getProperty("java.runtime.version").

The value of System.getProperty("java.vendor").

True iff running on a 64bit JVM

JVM vendor name.

JVM vendor info.

True iff running on Linux.

True iff running on Mac OS X

The value of System.getProperty("os.arch").

The value of System.getProperty("os.name"). *

The value of System.getProperty("os.version").

True iff running on SunOS.

True iff running on Windows.