Merged with main, tests passing.

.github/scripts/gradle-properties.sh

@@ -0,0 +1,50 @@
+#!/usr/bin/env bash
+
+set -o errexit
+set -o pipefail
+set -o nounset
+
+# We know the gradle daemon takes 1GiB (see gradle.properties)
+DAEMON_BYTES=1073741824
+
+# We'll leave some buffer space for other system resources / processes
+OTHER_BYTES=2147483648
+
+TOTAL_SYSTEM_BYTES="$(free --bytes | grep Mem | awk -F " " '{print $2}')"
+
+# This is accounting for "worst case", assuming every single worker is using the theoretical maximum.
+# Currently, engine/table/build.gradle sets a heap size of 6GiB, so that's the maximum.
+PER_WORKER_BYTES=6442450944
+
+# See https://github.com/gradle/gradle/issues/14431#issuecomment-1601724453 for why we need to have this sort of logic
+# here
+MAX_WORKERS="$(( (TOTAL_SYSTEM_BYTES - DAEMON_BYTES - OTHER_BYTES) / PER_WORKER_BYTES ))"
+MAX_WORKERS="$(( MAX_WORKERS > 0 ? MAX_WORKERS : 1 ))"
+
+# A bit zealous, but this handles the https://github.com/actions/setup-java output
+JAVA_INSTALL_PATHS=""
+JAVA_INSTALL_PATHS="${JAVA_INSTALL_PATHS}${JAVA_HOME_8_X64:+$JAVA_HOME_8_X64,}"
+JAVA_INSTALL_PATHS="${JAVA_INSTALL_PATHS}${JAVA_HOME_9_X64:+$JAVA_HOME_9_X64,}"
+JAVA_INSTALL_PATHS="${JAVA_INSTALL_PATHS}${JAVA_HOME_10_X64:+$JAVA_HOME_10_X64,}"
+JAVA_INSTALL_PATHS="${JAVA_INSTALL_PATHS}${JAVA_HOME_11_X64:+$JAVA_HOME_11_X64,}"
+JAVA_INSTALL_PATHS="${JAVA_INSTALL_PATHS}${JAVA_HOME_12_X64:+$JAVA_HOME_12_X64,}"
+JAVA_INSTALL_PATHS="${JAVA_INSTALL_PATHS}${JAVA_HOME_13_X64:+$JAVA_HOME_13_X64,}"
+JAVA_INSTALL_PATHS="${JAVA_INSTALL_PATHS}${JAVA_HOME_14_X64:+$JAVA_HOME_14_X64,}"
+JAVA_INSTALL_PATHS="${JAVA_INSTALL_PATHS}${JAVA_HOME_15_X64:+$JAVA_HOME_15_X64,}"
+JAVA_INSTALL_PATHS="${JAVA_INSTALL_PATHS}${JAVA_HOME_16_X64:+$JAVA_HOME_16_X64,}"
+JAVA_INSTALL_PATHS="${JAVA_INSTALL_PATHS}${JAVA_HOME_17_X64:+$JAVA_HOME_17_X64,}"
+JAVA_INSTALL_PATHS="${JAVA_INSTALL_PATHS}${JAVA_HOME_18_X64:+$JAVA_HOME_18_X64,}"
+JAVA_INSTALL_PATHS="${JAVA_INSTALL_PATHS}${JAVA_HOME_19_X64:+$JAVA_HOME_19_X64,}"
+JAVA_INSTALL_PATHS="${JAVA_INSTALL_PATHS}${JAVA_HOME_20_X64:+$JAVA_HOME_20_X64,}"
+JAVA_INSTALL_PATHS="${JAVA_INSTALL_PATHS}${JAVA_HOME_21_X64:+$JAVA_HOME_21_X64,}"
+JAVA_INSTALL_PATHS="${JAVA_INSTALL_PATHS}${JAVA_HOME_22_X64:+$JAVA_HOME_22_X64,}"
+JAVA_INSTALL_PATHS="${JAVA_INSTALL_PATHS}${JAVA_HOME_23_X64:+$JAVA_HOME_23_X64,}"
+
+# Our CI JDKs should be pre-provisioned and invoked correctly,
+# we shouldn't rely on gradle for any of this logic.
+cat << EOF
+org.gradle.java.installations.auto-download=false
+org.gradle.java.installations.auto-detect=false
+org.gradle.workers.max=${MAX_WORKERS}
+org.gradle.java.installations.paths=${JAVA_INSTALL_PATHS}
+EOF