This repo tests how HSQLDB works with virtual threads.
# Install Java 20
# Build the jar
./mvnw clean package
# Run the test using LOCKS
java --enable-preview -Djdk.tracePinnedThreads=full -jar target/hsqldb-loom-1.0-SNAPSHOT-exec.jar LOCKS
# Run the test using MVCC
java --enable-preview -Djdk.tracePinnedThreads=full -jar target/hsqldb-loom-1.0-SNAPSHOT-exec.jar MVCC