Move elasticsearch to OpenJDK 11

OpenJDK 11 is supported with ES since 6.5:

https://www.elastic.co/support/matrix#matrix_jvm

The bulk of these changes are needed for changes in supported JVM
options between 8 and 11.

Author: yselkowitz

elasticsearch/Dockerfile

@@ -11,7 +11,7 @@ ENV ES_PATH_CONF=/etc/elasticsearch/ \
     ES_VER=6.8.1.redhat-6 \
     HOME=/opt/app-root/src \
     INSTANCE_RAM=512G \
-    JAVA_VER=1.8.0 \
+    JAVA_VER=11 \
     JAVA_HOME=/usr/lib/jvm/jre \
     NODE_QUORUM=1 \
     PROMETHEUS_EXPORTER_VER=6.8.1.0-redhat-1 \

elasticsearch/Dockerfile.origin

@@ -11,7 +11,7 @@ ENV ES_PATH_CONF=/etc/elasticsearch/ \
     ES_VER=6.8.1 \
     HOME=/opt/app-root/src \
     INSTANCE_RAM=512G \
-    JAVA_VER=1.8.0 \
+    JAVA_VER=11 \
     JAVA_HOME=/usr/lib/jvm/jre \
     NODE_QUORUM=1 \
     PROMETHEUS_EXPORTER_VER=6.8.1.0 \

elasticsearch/Dockerfile.rhel8

@@ -11,7 +11,7 @@ ENV ES_PATH_CONF=/etc/elasticsearch/ \
     ES_VER=6.8.1.redhat-6 \
     HOME=/opt/app-root/src \
     INSTANCE_RAM=512G \
-    JAVA_VER=1.8.0 \
+    JAVA_VER=11 \
     JAVA_HOME=/usr/lib/jvm/jre \
     NODE_QUORUM=1 \
     PROMETHEUS_EXPORTER_VER=6.8.1.0-redhat-1 \

elasticsearch/extra-jvm.options

@@ -1,5 +1,4 @@
 -XX:+UnlockExperimentalVMOptions
--XX:+UseCGroupMemoryLimitForHeap
 -XX:MaxRAMFraction=2
 -XX:InitialRAMFraction=2
 -XX:MinRAMFraction=2

elasticsearch/install-es.sh

@@ -28,7 +28,8 @@ mkdir -p ${ES_PATH_CONF}/scripts
 chmod 777 ${ES_PATH_CONF}/scripts
 install -m 660 config/* ${ES_PATH_CONF}
 popd
-sed -i -e 's/^-Xms/#-Xms/' -e 's/^-Xmx/#-Xmx/' ${ES_PATH_CONF}/jvm.options
+sed -i -e 's/^-Xms/#-Xms/' -e 's/^-Xmx/#-Xmx/' -e '/-Xlog/d' ${ES_PATH_CONF}/jvm.options
+[[ `arch` = x86_64 ]] || sed -i -e '/UseAVX/d' ${ES_PATH_CONF}/jvm.options
 cat extra-jvm.options >> ${ES_PATH_CONF}/jvm.options
 groupadd -r elasticsearch -g 1000
 useradd -r -g elasticsearch -d ${ES_HOME} -u 1000 \

elasticsearch/run.sh

@@ -90,12 +90,9 @@ GC_LOG_LOCATION=/elasticsearch/persistent/${CLUSTER_NAME}/logs/gc.log
 
 ERR_FILE_LOCATION=/elasticsearch/persistent/${CLUSTER_NAME}/logs/error.log
 
-export ES_JAVA_OPTS="${ES_JAVA_OPTS:-} -XX:HeapDumpPath=$HEAP_DUMP_LOCATION -Xloggc:$GC_LOG_LOCATION -XX:ErrorFile=$ERR_FILE_LOCATION"
+export ES_JAVA_OPTS="${ES_JAVA_OPTS:-} -XX:HeapDumpPath=$HEAP_DUMP_LOCATION -Xlog:gc*,gc+age=trace,safepoint:file=${GC_LOG_LOCATION}:utctime,pid,tags:filecount=32,filesize=64m -XX:ErrorFile=$ERR_FILE_LOCATION"
 info "ES_JAVA_OPTS: '${ES_JAVA_OPTS}'"
 
-# if we use java9 or later, we'll also have to configure this:
-# -:-Xlog:gc*,gc+age=trace,safepoint:file=logs/gc.log:utctime,pid,tags:filecount=2,filesize=64m
-
 DHE_TMP_KEY_SIZE=${DHE_TMP_KEY_SIZE:-2048}
 export ES_JAVA_OPTS="${ES_JAVA_OPTS:-} -Djdk.tls.ephemeralDHKeySize=$DHE_TMP_KEY_SIZE"