OpenSearch/bin/elasticsearch.bat

@echo off

SETLOCAL

if NOT DEFINED JAVA_HOME goto err

set SCRIPT_DIR=%~dp0
for %%I in ("%SCRIPT_DIR%..") do set ES_HOME=%%~dpfI


REM ***** JAVA options *****

if "%ES_MIN_MEM%" == "" (
set ES_MIN_MEM=256m
)

if "%ES_MAX_MEM%" == "" (
set ES_MAX_MEM=1g
)

set JAVA_OPTS=%JAVA_OPTS% -Xms%ES_MIN_MEM% -Xmx%ES_MAX_MEM%
set JAVA_OPTS=%JAVA_OPTS% -Xss128k

REM Enable aggressive optimizations in the JVM
REM    - Disabled by default as it might cause the JVM to crash
REM set JAVA_OPTS=%JAVA_OPTS% -XX:+AggressiveOpts

set JAVA_OPTS=%JAVA_OPTS% -XX:+UseParNewGC
set JAVA_OPTS=%JAVA_OPTS% -XX:+UseConcMarkSweepGC
set JAVA_OPTS=%JAVA_OPTS% -XX:+CMSParallelRemarkEnabled
set JAVA_OPTS=%JAVA_OPTS% -XX:SurvivorRatio=8
set JAVA_OPTS=%JAVA_OPTS% -XX:MaxTenuringThreshold=1
set JAVA_OPTS=%JAVA_OPTS% -XX:CMSInitiatingOccupancyFraction=75
set JAVA_OPTS=%JAVA_OPTS% -XX:+UseCMSInitiatingOccupancyOnly

REM GC logging options -- uncomment to enable
REM JAVA_OPTS=%JAVA_OPTS% -XX:+PrintGCDetails
REM JAVA_OPTS=%JAVA_OPTS% -XX:+PrintGCTimeStamps
REM JAVA_OPTS=%JAVA_OPTS% -XX:+PrintClassHistogram
REM JAVA_OPTS=%JAVA_OPTS% -XX:+PrintTenuringDistribution
REM JAVA_OPTS=%JAVA_OPTS% -XX:+PrintGCApplicationStoppedTime
REM JAVA_OPTS=%JAVA_OPTS% -Xloggc:/var/log/elasticsearch/gc.log

REM Causes the JVM to dump its heap on OutOfMemory.
set JAVA_OPTS=%JAVA_OPTS% -XX:+HeapDumpOnOutOfMemoryError
REM The path to the heap dump location, note directory must exists and have enough
REM space for a full heap dump.
REM JAVA_OPTS=%JAVA_OPTS% -XX:HeapDumpPath=$ES_HOME/logs/heapdump.hprof

set ES_CLASSPATH=%ES_CLASSPATH%;%ES_HOME%/lib/*;%ES_HOME%/lib/sigar/*
set ES_PARAMS=-Delasticsearch -Des-foreground=yes -Des.path.home="%ES_HOME%"

"%JAVA_HOME%\bin\java" %JAVA_OPTS% %ES_JAVA_OPTS% %ES_PARAMS% "%*" -cp "%ES_CLASSPATH%" "org.elasticsearch.bootstrap.ElasticSearch"
goto finally


:err
echo JAVA_HOME environment variable must be set!
pause


:finally

ENDLOCAL