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From cpoersc...@apache.org
Subject [17/50] [abbrv] lucene-solr:jira/solr-8542-v2: SOLR-7580: Move defaults in bin/solr.in.sh into bin/solr (incl. Windows)
Date Mon, 24 Oct 2016 18:32:21 GMT
SOLR-7580: Move defaults in bin/solr.in.sh into bin/solr (incl. Windows)


Project: http://git-wip-us.apache.org/repos/asf/lucene-solr/repo
Commit: http://git-wip-us.apache.org/repos/asf/lucene-solr/commit/8ae3304c
Tree: http://git-wip-us.apache.org/repos/asf/lucene-solr/tree/8ae3304c
Diff: http://git-wip-us.apache.org/repos/asf/lucene-solr/diff/8ae3304c

Branch: refs/heads/jira/solr-8542-v2
Commit: 8ae3304c8631e1ba9a14aa0fc576e13b9198dfe5
Parents: 67ba19a
Author: David Smiley <dsmiley@apache.org>
Authored: Wed Oct 19 16:38:06 2016 -0400
Committer: David Smiley <dsmiley@apache.org>
Committed: Wed Oct 19 16:38:06 2016 -0400

----------------------------------------------------------------------
 solr/CHANGES.txt     | 10 +++++++--
 solr/bin/solr        | 54 +++++++++++++++++++++++++++++++---------------
 solr/bin/solr.cmd    | 55 ++++++++++++++++++++++++++++++++++-------------
 solr/bin/solr.in.cmd | 55 +++++++++++++++++------------------------------
 solr/bin/solr.in.sh  | 30 +++++++-------------------
 5 files changed, 113 insertions(+), 91 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/8ae3304c/solr/CHANGES.txt
----------------------------------------------------------------------
diff --git a/solr/CHANGES.txt b/solr/CHANGES.txt
index 880718c..56f3b80 100644
--- a/solr/CHANGES.txt
+++ b/solr/CHANGES.txt
@@ -80,10 +80,10 @@ Upgrade Notes
 ----------------------
 
 * If you use the JSON Facet API (json.facet) with method=stream, you must now set sort='index
asc' to get the streaming
-behavior; otherwise it won't stream.  Reminder: "method" is a hint that doesn't change defaults
of other parameters.
+  behavior; otherwise it won't stream.  Reminder: "method" is a hint that doesn't change
defaults of other parameters.
 
 * If you use the JSON Facet API (json.facet) to facet on a numeric field and if you use mincount=0
or if you set the
-prefix, then you will now get an error as these options are incompatible with numeric faceting.
+  prefix, then you will now get an error as these options are incompatible with numeric faceting.
 
 * Solr's logging verbosity at the INFO level has been greatly reduced, and
   you may need to update the log configs to use the DEBUG level to get the
@@ -94,6 +94,9 @@ prefix, then you will now get an error as these options are incompatible
with nu
   addition, MiniSolrCloudCluster#uploadConfigSet(File, String) has been
   deprecated in favour of #uploadConfigSet(Path, String)
 
+* The bin/solr.in.sh (bin/solr.in.cmd on Windows) is now completely commented by default.
Previously, this wasn't so,
+  which had the effect of masking existing environment variables.
+
 New Features
 ----------------------
 * SOLR-5725: facet.method=enum can bypass exact counts calculation with facet.exists=true,
it just returns 1 for 
@@ -298,6 +301,9 @@ Other Changes
 
 * SOLR-9634: Deprecate collection methods on MiniSolrCloudCluster (Alan Woodward)
 
+* SOLR-7580: Moved defaults within bin/solr.in.sh (and bin/solr.in.cmd on Windows) to bin/solr
(and bin/solr.cmd)
+  such that the default state of these files is to set nothing. This makes Solr work better
with Docker. (David Smiley)
+
 ==================  6.2.1 ==================
 
 Bug Fixes

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/8ae3304c/solr/bin/solr
----------------------------------------------------------------------
diff --git a/solr/bin/solr b/solr/bin/solr
index 90fffa1..df6b4d0 100755
--- a/solr/bin/solr
+++ b/solr/bin/solr
@@ -1409,15 +1409,21 @@ if [ "`echo $java_ver_out | grep -i "IBM J9"`" != "" ]; then
   JAVA_VENDOR="IBM J9"
 fi
 
+# Establish default opts no env var set (otherwise init to empty)
+if [ -z ${GC_LOG_OPTS+x} ]; then
+  GC_LOG_OPTS=('-verbose:gc' '-XX:+PrintHeapAtGC' '-XX:+PrintGCDetails' \
+    '-XX:+PrintGCDateStamps' '-XX:+PrintGCTimeStamps' '-XX:+PrintTenuringDistribution' \
+    '-XX:+PrintGCApplicationStoppedTime')
+else
+  GC_LOG_OPTS=($GC_LOG_OPTS)
+fi
 # if verbose gc logging enabled, setup the location of the log file
 if [ "$GC_LOG_OPTS" != "" ]; then
   gc_log_flag="-Xloggc"
   if [ "$JAVA_VENDOR" == "IBM J9" ]; then
     gc_log_flag="-Xverbosegclog"
   fi
-  GC_LOG_OPTS=($GC_LOG_OPTS "$gc_log_flag:$SOLR_LOGS_DIR/solr_gc.log")
-else
-  GC_LOG_OPTS=()
+  GC_LOG_OPTS+=("$gc_log_flag:$SOLR_LOGS_DIR/solr_gc.log")
 fi
 
 # If ZK_HOST is defined, the assume SolrCloud mode
@@ -1484,6 +1490,12 @@ else
   JAVA_MEM_OPTS=("-Xms$SOLR_HEAP" "-Xmx$SOLR_HEAP")
 fi
 
+# Pick default for Java thread stack size, and then add to SOLR_OPTS
+if [ -z ${SOLR_JAVA_STACK_SIZE+x} ]; then
+  SOLR_JAVA_STACK_SIZE='-Xss256k'
+fi
+SOLR_OPTS+=($SOLR_JAVA_STACK_SIZE)
+
 if [ -z "$SOLR_TIMEZONE" ]; then
   SOLR_TIMEZONE='UTC'
 fi
@@ -1496,20 +1508,28 @@ function launch_solr() {
   
   SOLR_ADDL_ARGS="$2"
 
-  GC_TUNE=($GC_TUNE)
-  # deal with Java version specific GC and other flags
-  if [ "${JAVA_VERSION:0:3}" == "1.7" ]; then
-    # Specific Java version hacking
-    GC_TUNE+=('-XX:CMSFullGCsBeforeCompaction=1' '-XX:CMSTriggerPermRatio=80')
-    if [ "$JAVA_VENDOR" != "IBM J9" ]; then
-      JAVA_MINOR_VERSION=${JAVA_VERSION:(-2)}
-      if [[ $JAVA_MINOR_VERSION -ge 40 && $JAVA_MINOR_VERSION -le 51 ]]; then
-        GC_TUNE+=('-XX:-UseSuperWord')
-        echo -e "\nWARNING: Java version $JAVA_VERSION has known bugs with Lucene and requires
the -XX:-UseSuperWord flag. Please consider upgrading your JVM.\n"
-      fi
-    fi
+  # define default GC_TUNE
+  if [ -z ${GC_TUNE+x} ]; then
+      GC_TUNE=('-XX:NewRatio=3' \
+        '-XX:SurvivorRatio=4' \
+        '-XX:TargetSurvivorRatio=90' \
+        '-XX:MaxTenuringThreshold=8' \
+        '-XX:+UseConcMarkSweepGC' \
+        '-XX:+UseParNewGC' \
+        '-XX:ConcGCThreads=4' '-XX:ParallelGCThreads=4' \
+        '-XX:+CMSScavengeBeforeRemark' \
+        '-XX:PretenureSizeThreshold=64m' \
+        '-XX:+UseCMSInitiatingOccupancyOnly' \
+        '-XX:CMSInitiatingOccupancyFraction=50' \
+        '-XX:CMSMaxAbortablePrecleanTime=6000' \
+        '-XX:+CMSParallelRemarkEnabled' \
+        '-XX:+ParallelRefProcEnabled' \
+        '-XX:-OmitStackTraceInFastThrow')
+  else
+    GC_TUNE=($GC_TUNE)
   fi
 
+
   # If SSL-related system props are set, add them to SOLR_OPTS
   if [ -n "$SOLR_SSL_OPTS" ]; then
     # If using SSL and solr.jetty.https.port not set explicitly, use the jetty.port
@@ -1540,11 +1560,11 @@ function launch_solr() {
     fi
 
     if [ "$SOLR_OPTS" != "" ]; then
-      echo -e "    SOLR_OPTS        = ${SOLR_OPTS[@]}"
+      echo -e "    SOLR_OPTS       = ${SOLR_OPTS[@]}"
     fi
 
     if [ "$SOLR_ADDL_ARGS" != "" ]; then
-      echo -e "    SOLR_ADDL_ARGS   = $SOLR_ADDL_ARGS"
+      echo -e "    SOLR_ADDL_ARGS  = $SOLR_ADDL_ARGS"
     fi
 
     if [ "$ENABLE_REMOTE_JMX_OPTS" == "true" ]; then

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/8ae3304c/solr/bin/solr.cmd
----------------------------------------------------------------------
diff --git a/solr/bin/solr.cmd b/solr/bin/solr.cmd
index 5376143..10ea6d6 100644
--- a/solr/bin/solr.cmd
+++ b/solr/bin/solr.cmd
@@ -62,6 +62,9 @@ IF NOT "%SOLR_HOST%"=="" (
 ) ELSE (
   set "SOLR_TOOL_HOST=localhost"
 )
+IF "%SOLR_JETTY_HOST%"=="" (
+  set SOLR_JETTY_HOST=0.0.0.0
+)
 
 REM Verify Java is available
 IF DEFINED SOLR_JAVA_HOME set "JAVA_HOME=%SOLR_JAVA_HOME%"
@@ -910,16 +913,36 @@ IF "%ENABLE_REMOTE_JMX_OPTS%"=="true" (
 
 IF NOT "%SOLR_HEAP%"=="" set SOLR_JAVA_MEM=-Xms%SOLR_HEAP% -Xmx%SOLR_HEAP%
 IF "%SOLR_JAVA_MEM%"=="" set SOLR_JAVA_MEM=-Xms512m -Xmx512m
+IF "%SOLR_JAVA_STACK_SIZE%"=="" set SOLR_JAVA_STACK_SIZE=-Xss256k
+set SOLR_OPTS=%SOLR_JAVA_STACK_SIZE% %SOLR_OPTS%
 IF "%SOLR_TIMEZONE%"=="" set SOLR_TIMEZONE=UTC
 
-IF "!JAVA_MAJOR_VERSION!"=="7" (
-  set "GC_TUNE=%GC_TUNE% -XX:CMSFullGCsBeforeCompaction=1 -XX:CMSTriggerPermRatio=80"
-  IF !JAVA_BUILD! GEQ 40 (
-    IF !JAVA_BUILD! LEQ 51 (
-      set "GC_TUNE=!GC_TUNE! -XX:-UseSuperWord"
-      @echo WARNING: Java version !JAVA_VERSION_INFO! has known bugs with Lucene and requires
the -XX:-UseSuperWord flag. Please consider upgrading your JVM.
-    )
-  )
+IF "%GC_TUNE%"=="" (
+  set GC_TUNE=-XX:NewRatio=3 ^
+   -XX:SurvivorRatio=4 ^
+   -XX:TargetSurvivorRatio=90 ^
+   -XX:MaxTenuringThreshold=8 ^
+   -XX:+UseConcMarkSweepGC ^
+   -XX:+UseParNewGC ^
+   -XX:ConcGCThreads=4 -XX:ParallelGCThreads=4 ^
+   -XX:+CMSScavengeBeforeRemark ^
+   -XX:PretenureSizeThreshold=64m ^
+   -XX:+UseCMSInitiatingOccupancyOnly ^
+   -XX:CMSInitiatingOccupancyFraction=50 ^
+   -XX:CMSMaxAbortablePrecleanTime=6000 ^
+   -XX:+CMSParallelRemarkEnabled ^
+   -XX:+ParallelRefProcEnabled ^
+   -XX:-OmitStackTraceInFastThrow
+)
+
+IF "%GC_LOG_OPTS%"=="" (
+  set GC_LOG_OPTS=-verbose:gc ^
+   -XX:+PrintHeapAtGC ^
+   -XX:+PrintGCDetails ^
+   -XX:+PrintGCDateStamps ^
+   -XX:+PrintGCTimeStamps ^
+   -XX:+PrintTenuringDistribution ^
+   -XX:+PrintGCApplicationStoppedTime
 )
 
 IF "%verbose%"=="1" (
@@ -1009,15 +1032,17 @@ IF "%FG%"=="1" (
   echo %SOLR_PORT%>"%SOLR_TIP%"\bin\solr-%SOLR_PORT%.port
   "%JAVA%" %SERVEROPT% %SOLR_JAVA_MEM% %START_OPTS% %GCLOG_OPT%:"!SOLR_LOGS_DIR!/solr_gc.log"
^
     -Dlog4j.configuration="%LOG4J_CONFIG%" -DSTOP.PORT=!STOP_PORT! -DSTOP.KEY=%STOP_KEY%
^
-    -Djetty.port=%SOLR_PORT% -Dsolr.solr.home="%SOLR_HOME%" -Dsolr.install.dir="%SOLR_TIP%"
^
-    -Djetty.home="%SOLR_SERVER_DIR%" -Djava.io.tmpdir="%SOLR_SERVER_DIR%\tmp" -jar start.jar
"%SOLR_JETTY_CONFIG%"
+    -Dsolr.solr.home="%SOLR_HOME%" -Dsolr.install.dir="%SOLR_TIP%" ^
+    -Djetty.host=%SOLR_JETTY_HOST% -Djetty.port=%SOLR_PORT% -Djetty.home="%SOLR_SERVER_DIR%"
^
+    -Djava.io.tmpdir="%SOLR_SERVER_DIR%\tmp" -jar start.jar "%SOLR_JETTY_CONFIG%"
 ) ELSE (
-  START /B "Solr-%SOLR_PORT%" /D "%SOLR_SERVER_DIR%" "%JAVA%" %SERVEROPT% %SOLR_JAVA_MEM%
%START_OPTS% ^
-    %GCLOG_OPT%:"!SOLR_LOGS_DIR!/solr_gc.log" -Dlog4j.configuration="%LOG4J_CONFIG%" -DSTOP.PORT=!STOP_PORT!
^
+  START /B "Solr-%SOLR_PORT%" /D "%SOLR_SERVER_DIR%" ^
+    "%JAVA%" %SERVEROPT% %SOLR_JAVA_MEM% %START_OPTS% %GCLOG_OPT%:"!SOLR_LOGS_DIR!/solr_gc.log"
^
+    -Dlog4j.configuration="%LOG4J_CONFIG%" -DSTOP.PORT=!STOP_PORT! -DSTOP.KEY=%STOP_KEY%
^
     -Dsolr.log.muteconsole ^
-    -DSTOP.KEY=%STOP_KEY% -Djetty.port=%SOLR_PORT% -Dsolr.solr.home="%SOLR_HOME%" -Dsolr.install.dir="%SOLR_TIP%"
^
-    -Djetty.home="%SOLR_SERVER_DIR%" -Djava.io.tmpdir="%SOLR_SERVER_DIR%\tmp" -jar start.jar
^
-    "%SOLR_JETTY_CONFIG%" > "!SOLR_LOGS_DIR!\solr-%SOLR_PORT%-console.log"
+    -Dsolr.solr.home="%SOLR_HOME%" -Dsolr.install.dir="%SOLR_TIP%" ^
+    -Djetty.host=%SOLR_JETTY_HOST% -Djetty.port=%SOLR_PORT% -Djetty.home="%SOLR_SERVER_DIR%"
^
+    -Djava.io.tmpdir="%SOLR_SERVER_DIR%\tmp" -jar start.jar "%SOLR_JETTY_CONFIG%" > "!SOLR_LOGS_DIR!\solr-%SOLR_PORT%-console.log"
   echo %SOLR_PORT%>"%SOLR_TIP%"\bin\solr-%SOLR_PORT%.port
 
   REM now wait to see Solr come online ...

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/8ae3304c/solr/bin/solr.in.cmd
----------------------------------------------------------------------
diff --git a/solr/bin/solr.in.cmd b/solr/bin/solr.in.cmd
index 5a2d00f..06da233 100644
--- a/solr/bin/solr.in.cmd
+++ b/solr/bin/solr.in.cmd
@@ -16,40 +16,23 @@
 
 @echo off
 
+REM Settings here will override settings in existing env vars or in bin/solr.  The default
shipped state
+REM of this file is completely commented.
+
 REM By default the script will use JAVA_HOME to determine which java
 REM to use, but you can set a specific path for Solr to use without
 REM affecting other Java applications on your server/workstation.
 REM set SOLR_JAVA_HOME=
 
 REM Increase Java Min/Max Heap as needed to support your indexing / query needs
-set SOLR_JAVA_MEM=-Xms512m -Xmx512m
+REM set SOLR_JAVA_MEM=-Xms512m -Xmx512m
 
 REM Enable verbose GC logging
-set GC_LOG_OPTS=-verbose:gc -XX:+PrintHeapAtGC -XX:+PrintGCDetails -XX:+PrintGCDateStamps
-XX:+PrintGCTimeStamps -XX:+PrintTenuringDistribution -XX:+PrintGCApplicationStoppedTime
-
-REM Changes the logging level. Valid values: ALL, TRACE, DEBUG, INFO, WARN, ERROR, FATAL,
OFF. Default is INFO
-REM This is an alternative to changing the rootLogger in log4j.properties
-REM set SOLR_LOG_LEVEL=INFO
-
-REM Location where Solr should write logs to. Absolute or relative to solr start dir
-REM set SOLR_LOGS_DIR=logs
+REM set GC_LOG_OPTS=-verbose:gc -XX:+PrintHeapAtGC -XX:+PrintGCDetails -XX:+PrintGCDateStamps
-XX:+PrintGCTimeStamps -XX:+PrintTenuringDistribution -XX:+PrintGCApplicationStoppedTime
 
-REM These GC settings have shown to work well for a number of common Solr workloads
-set GC_TUNE=-XX:NewRatio=3 ^
- -XX:SurvivorRatio=4 ^
- -XX:TargetSurvivorRatio=90 ^
- -XX:MaxTenuringThreshold=8 ^
- -XX:+UseConcMarkSweepGC ^
- -XX:+UseParNewGC ^
- -XX:ConcGCThreads=4 -XX:ParallelGCThreads=4 ^
- -XX:+CMSScavengeBeforeRemark ^
- -XX:PretenureSizeThreshold=64m ^
- -XX:+UseCMSInitiatingOccupancyOnly ^
- -XX:CMSInitiatingOccupancyFraction=50 ^
- -XX:CMSMaxAbortablePrecleanTime=6000 ^
- -XX:+CMSParallelRemarkEnabled ^
- -XX:+ParallelRefProcEnabled ^
- -XX:-OmitStackTraceInFastThrow
+REM Various GC settings have shown to work well for a number of common Solr workloads.
+REM See solr.cmd GC_TUNE for the default list.
+REM set GC_TUNE=-XX:NewRatio=3 -XX:SurvivorRatio=4     etc.
 
 REM Set the ZooKeeper connection string if using an external ZooKeeper ensemble
 REM e.g. host1:2181,host2:2181/chroot
@@ -69,20 +52,11 @@ REM set SOLR_TIMEZONE=UTC
 REM Set to true to activate the JMX RMI connector to allow remote JMX client applications
 REM to monitor the JVM hosting Solr; set to "false" to disable that behavior
 REM (false is recommended in production environments)
-set ENABLE_REMOTE_JMX_OPTS=false
+REM set ENABLE_REMOTE_JMX_OPTS=false
 
 REM The script will use SOLR_PORT+10000 for the RMI_PORT or you can set it here
 REM set RMI_PORT=18983
 
-REM Set the host interface to listen on. Jetty will listen on all interfaces (0.0.0.0) by
default.
-REM This must be an IPv4 ("a.b.c.d") or bracketed IPv6 ("[x::y]") address, not a hostname!
-set SOLR_JETTY_HOST=0.0.0.0
-
-set SOLR_OPTS=%SOLR_OPTS% -Djetty.host=%SOLR_JETTY_HOST%
-
-REM Set the thread stack size
-set SOLR_OPTS=%SOLR_OPTS% -Xss256k
-
 REM Anything you add to the SOLR_OPTS variable will be included in the java
 REM start command line as-is, in ADDITION to other options. If you specify the
 REM -a option on start script, those options will be appended as well. Examples:
@@ -94,6 +68,17 @@ REM Path to a directory for Solr to store cores and their data. By default,
Solr
 REM If solr.xml is not stored in ZooKeeper, this directory needs to contain solr.xml
 REM set SOLR_HOME=
 
+REM Changes the logging level. Valid values: ALL, TRACE, DEBUG, INFO, WARN, ERROR, FATAL,
OFF. Default is INFO
+REM This is an alternative to changing the rootLogger in log4j.properties
+REM set SOLR_LOG_LEVEL=INFO
+
+REM Location where Solr should write logs to. Absolute or relative to solr start dir
+REM set SOLR_LOGS_DIR=logs
+
+REM Set the host interface to listen on. Jetty will listen on all interfaces (0.0.0.0) by
default.
+REM This must be an IPv4 ("a.b.c.d") or bracketed IPv6 ("[x::y]") address, not a hostname!
+REM set SOLR_JETTY_HOST=0.0.0.0
+
 REM Sets the port Solr binds to, default is 8983
 REM set SOLR_PORT=8983
 

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/8ae3304c/solr/bin/solr.in.sh
----------------------------------------------------------------------
diff --git a/solr/bin/solr.in.sh b/solr/bin/solr.in.sh
index dd41f46..2fcaabb 100644
--- a/solr/bin/solr.in.sh
+++ b/solr/bin/solr.in.sh
@@ -13,38 +13,27 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+# Settings here will override settings in existing env vars or in bin/solr.  The default
shipped state
+# of this file is completely commented.
+
 # By default the script will use JAVA_HOME to determine which java
 # to use, but you can set a specific path for Solr to use without
 # affecting other Java applications on your server/workstation.
 #SOLR_JAVA_HOME=""
 
 # Increase Java Heap as needed to support your indexing / query needs
-SOLR_HEAP="512m"
+#SOLR_HEAP="512m"
 
 # Expert: If you want finer control over memory options, specify them directly
 # Comment out SOLR_HEAP if you are using this though, that takes precedence
 #SOLR_JAVA_MEM="-Xms512m -Xmx512m"
 
 # Enable verbose GC logging
-GC_LOG_OPTS="-verbose:gc -XX:+PrintHeapAtGC -XX:+PrintGCDetails \
--XX:+PrintGCDateStamps -XX:+PrintGCTimeStamps -XX:+PrintTenuringDistribution -XX:+PrintGCApplicationStoppedTime"
+#GC_LOG_OPTS="-verbose:gc -XX:+PrintHeapAtGC -XX:+PrintGCDetails \
+#-XX:+PrintGCDateStamps -XX:+PrintGCTimeStamps -XX:+PrintTenuringDistribution -XX:+PrintGCApplicationStoppedTime"
 
 # These GC settings have shown to work well for a number of common Solr workloads
-GC_TUNE="-XX:NewRatio=3 \
--XX:SurvivorRatio=4 \
--XX:TargetSurvivorRatio=90 \
--XX:MaxTenuringThreshold=8 \
--XX:+UseConcMarkSweepGC \
--XX:+UseParNewGC \
--XX:ConcGCThreads=4 -XX:ParallelGCThreads=4 \
--XX:+CMSScavengeBeforeRemark \
--XX:PretenureSizeThreshold=64m \
--XX:+UseCMSInitiatingOccupancyOnly \
--XX:CMSInitiatingOccupancyFraction=50 \
--XX:CMSMaxAbortablePrecleanTime=6000 \
--XX:+CMSParallelRemarkEnabled \
--XX:+ParallelRefProcEnabled \
--XX:-OmitStackTraceInFastThrow"
+#GC_TUNE="-XX:NewRatio=3 -XX:SurvivorRatio=4    etc.
 
 # Set the ZooKeeper connection string if using an external ZooKeeper ensemble
 # e.g. host1:2181,host2:2181/chroot
@@ -64,14 +53,11 @@ GC_TUNE="-XX:NewRatio=3 \
 # Set to true to activate the JMX RMI connector to allow remote JMX client applications
 # to monitor the JVM hosting Solr; set to "false" to disable that behavior
 # (false is recommended in production environments)
-ENABLE_REMOTE_JMX_OPTS="false"
+#ENABLE_REMOTE_JMX_OPTS="false"
 
 # The script will use SOLR_PORT+10000 for the RMI_PORT or you can set it here
 # RMI_PORT=18983
 
-# Set the thread stack size
-SOLR_OPTS="$SOLR_OPTS -Xss256k"
-
 # Anything you add to the SOLR_OPTS variable will be included in the java
 # start command line as-is, in ADDITION to other options. If you specify the
 # -a option on start script, those options will be appended as well. Examples:


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