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Hello Everypne,

In order to change the java.io.tmpdir to 'C:\Adobe\AEM\Author\cq-temp', I changed like the below that  in C:\Adobe\AEM\Author\crx-quickstart\bin\start.bat

::* -------------------

::* Default JVM options

::* -------------------

set CQ_JVM_OPTS=-server

set CQ_JVM_OPTS=%CQ_JVM_OPTS% -Djava.awt.headless=true

set CQ_JVM_OPTS=%CQ_JVM_OPTS% -Xms8192m

set CQ_JVM_OPTS=%CQ_JVM_OPTS% -Xmx8192m

set CQ_JVM_OPTS=%CQ_JVM_OPTS% -XX:MaxMetaspaceSize=512m

set CQ_JVM_OPTS=%CQ_JVM_OPTS% -XX:NewRatio=1

set CQ_JVM_OPTS=%CQ_JVM_OPTS% -XX:MaxTenuringThreshold=15

set CQ_JVM_OPTS=%CQ_JVM_OPTS% -XX:+UseConcMarkSweepGC

set CQ_JVM_OPTS=%CQ_JVM_OPTS% -XX:ConcGCThreads=4

set CQ_JVM_OPTS=%CQ_JVM_OPTS% -XX:ParallelGCThreads=4

set CQ_JVM_OPTS=%CQ_JVM_OPTS% -Djava.io.tmpdir=C:\Adobe\AEM\Author\cq-temp

set CQ_JVM_OPTS=%CQ_JVM_OPTS% -XX:+HeapDumpOnOutOfMemoryError

set CQ_JVM_OPTS=%CQ_JVM_OPTS% -XX:HeapDumpPath=C:\Adobe\AEM\Author\cq-temp

set CQ_JVM_OPTS=%CQ_JVM_OPTS% -Doak.queryLimitInMemory=500000

set CQ_JVM_OPTS=%CQ_JVM_OPTS% -Doak.queryLimitReads=100000

set CQ_JVM_OPTS=%CQ_JVM_OPTS% -Dupdate.limit=250000

set CQ_JVM_OPTS=%CQ_JVM_OPTS% -Doak.fastQuerySize=true

But it doesn't  change.

My environment is the following :

-AEM 6.3

-Windows 10

-Java 1.8.1

Can you help me with mine?

Regards

Chung Yong.

You may need to increase heap memory

e.g.

-Xmx

The flag Xmx specifies the maximum memory allocation pool for a Java Virtual Machine (JVM), while Xms specifies the initial memory allocation pool. A common use for these flags is when you encounter a java.lang.OutOfMemoryError.

-Xms        set initial Java heap size

-Xmx        set maximum Java heap size

-Xss        set java thread stack size

I have imported package1.zip successfully in Package Manager.

but we could not import contenct2.zip because of GC overhead limit exceeded

--------------------------------------------

package1.zip       : 20 MB

cotent2.zip          : 723 MB

Here is my JVM options.

set CQ_JVM_OPTS=-server

set CQ_JVM_OPTS=%CQ_JVM_OPTS% -Djava.awt.headless=true

set CQ_JVM_OPTS=%CQ_JVM_OPTS% -XX:NewRatio=1

set CQ_JVM_OPTS=%CQ_JVM_OPTS% -XX:+UseParallelGC

set CQ_JVM_OPTS=%CQ_JVM_OPTS% -XX:+UseParallelOldGC

set CQ_JVM_OPTS=%CQ_JVM_OPTS% -XX:ParallelGCThreads=4

set CQ_JVM_OPTS=%CQ_JVM_OPTS% -Xms8192m

set CQ_JVM_OPTS=%CQ_JVM_OPTS% -Xmx8192m

set CQ_JVM_OPTS=%CQ_JVM_OPTS% -XX:PermSize=256m

set CQ_JVM_OPTS=%CQ_JVM_OPTS% -XX:MaxPermSize=1024m

set CQ_JVM_OPTS=%CQ_JVM_OPTS% -Djava.io.tmpdir=C:\Adobe\AEM\Author\cq-temp

set CQ_JVM_OPTS=%CQ_JVM_OPTS% -XX:+HeapDumpOnOutOfMemoryError

set CQ_JVM_OPTS=%CQ_JVM_OPTS% -XX:HeapDumpPath=C:\Adobe\AEM\Author\cq-temp

set CQ_JVM_OPTS=%CQ_JVM_OPTS% -Djackrabbit.maxQueuedEvents=1000000

My environment is the following :

-AEM 6.3

-Windows 10

-RAM 8 GM.

-Java 1.8.1

This is my CQ_JVM_OPTS.

CQ_JVM_OPTS='-server -Xms4096m -Xmx4096m  -Xss1024k  -XX:MaxPermSize=512m  -XX:-UseGCOverheadLimit -Djava.awt.headless=true -Djava.io.tmpdir=C:\Adobe\AEM\Author\cq-temp'

When I upload cotent2.zip(723 MB) into Package Manager,  GC overhead limit exceeded happens.

This is my system.

This is my Task Manager.

In Windows explorer, just execute the start.bat by double clicking it. I assume java is set on the path environment variable already[1].

It would launch the AEM instance in new CMD shell as follows :

Thanks

Wasil

[1] How to set JAVA_HOME on Windows 10? – Mkyong.com ​

P.S. : Stop existing running AEM instance to avoid any port conflict while startup.

Our Cust Care team suggested:

There is a powershell script they can run on their windows environment to capture thread dumps and windows process information (similar to top)

https://github.com/cqsupport/jstackSeries.sh/blob/master/jstackSeries_powershell.ps1

CPU utilization would be high here as GC would be throttling the instance

That -xss JVM flag seems … out of place.  It limits the thread stack to 1 MB which is tiny .

That MaxPermSize flag is also useless if they are on Java8.

I have already added JAVA_HOME in Environment Varialble for System.

But I can not start start.bat in Windows PowerShell too.

This is my start.bat

@echo off

:: This script configures the start information for this server.

::

:: The following variables may be used to override the defaults.

:: For one-time overrides the variable can be set as part of the command-line; e.g.,

::

::     SET CQ_PORT=1234 & ./start.bat

::

setlocal

::* TCP port used for stop and status scripts

if not defined CQ_PORT set CQ_PORT=4502

::* hostname of the interface that this server should listen to

:: if not defined CQ_HOST set CQ_HOST=

::* runmode(s)

::* will not be used if repository is already present

if not defined CQ_RUNMODE set CQ_RUNMODE=author

::* name of the jarfile

:: if not defined CQ_JARFILE set CQ_JARFILE=

::* default JVM options

if not defined CQ_JVM_OPTS set CQ_JVM_OPTS='-server -Xms8192m -Xmx8192m -Xss1024k -XX:MaxPermSize=1024m -XX:-UseGCOverheadLimit -Djava.awt.headless=true -Djava.io.tmpdir=C:\Adobe\AEM\Author\cq-temp'

::* ------------------------------------------------------------------------------

::* authentication

::* ------------------------------------------------------------------------------

::* when using oak (crx3) authentication must be configured using the

::* Apache Felix JAAS Configuration Factory service via the Web Console

::* see http://jackrabbit.apache.org/oak/docs/security/authentication/externalloginmodule.html

::* use jaas.config (legacy: only used for crx2 persistence)

:: if not defined CQ_USE_JAAS set CQ_USE_JAAS=true

::* config for jaas (legacy: only used for crx2 persistence)

if not defined CQ_JAAS_CONFIG set CQ_JAAS_CONFIG=etc\jaas.config

::* ------------------------------------------------------------------------------

::* persistence mode

::* ------------------------------------------------------------------------------

::* the persistence mode can not be switched for an existing repository

set CQ_RUNMODE=%CQ_RUNMODE%,crx3,crx3tar

:: set CQ_RUNMODE=%CQ_RUNMODE%,crx3,crx3mongo

::* settings for mongo db

:: if not defined CQ_MONGO_HOST set CQ_MONGO_HOST=127.0.0.1

:: if not defined CQ_MONGO_PORT set CQ_MONGO_PORT=27017

:: if not defined CQ_MONGO_DB   set CQ_MONGO_DB=aem6

::* ------------------------------------------------------------------------------

::* do not configure below this point

::* ------------------------------------------------------------------------------

chdir /D %~dp0

cd ..

if exist conf\controlport del conf\controlport

if not defined CQ_JARFILE     for %%X in (app\*.jar) do set CQ_JARFILE=%%X

for %%* in (.) do set CurrDirName=%%~n*

cd ..

set START_OPTS=start -c %CurrDirName% -i launchpad

if defined CQ_PORT            set START_OPTS=%START_OPTS% -p %CQ_PORT%

if defined CQ_RUNMODE         set CQ_JVM_OPTS=%CQ_JVM_OPTS% -Dsling.run.modes=%CQ_RUNMODE%

if defined CQ_HOST            set CQ_JVM_OPTS=%CQ_JVM_OPTS% -Dorg.apache.felix.http.host=%CQ_HOST%

if defined CQ_HOST            set START_OPTS=%START_OPTS% -a %CQ_HOST%

if defined CQ_MONGO_HOST      set START_OPTS=%START_OPTS% -Doak.mongo.host=%CQ_MONGO_HOST%

if defined CQ_MONGO_PORT      set START_OPTS=%START_OPTS% -Doak.mongo.port=%CQ_MONGO_PORT%

if defined CQ_MONGO_DB        set START_OPTS=%START_OPTS% -Doak.mongo.db=%CQ_MONGO_DB%

if defined CQ_USE_JAAS        set CQ_JVM_OPTS=%CQ_JVM_OPTS% -Djava.security.auth.login.config=%CQ_JAAS_CONFIG%

set START_OPTS=%START_OPTS% -Dsling.properties=conf/sling.properties

if exist newTaskList.txt del newTaskList.txt

if exist oldTaskList.txt del oldTaskList.txt

tasklist /FI "IMAGENAME eq java.exe" /NH > oldTaskList.txt

start "CQ" cmd.exe /C java %CQ_JVM_OPTS% -jar %CurrDirName%\%CQ_JARFILE% %START_OPTS%

:: removing the delay until CQ-4202186 is solved

:: timeout /T 1 /NOBREAK >nul

tasklist /FI "IMAGENAME eq java.exe" /NH > newTaskList.txt

java -cp %~dp0 GetProcessID oldTaskList.txt newTaskList.txt java.exe > %CurrDirName%\conf\cq.pid

if exist newTaskList.txt del newTaskList.txt

if exist oldTaskList.txt del oldTaskList.txt