SQL Developer consumes a lot of memory
Sql developer consumes a lot of RAM (around 100 MB) few minutes after start of application . any tips to reduce this?
This is usually due to the caching of database objects on support of code insight and is dependent on the number of objects in the database. As documented in the readme.txt in the sqldeveloper home directory, you can disable code insight.
2.1 To disable Code Insight
Run SQL Developer from a command line using the following statement:
Windows : sqldeveloper -J-Dsdev.insight=false
Linux or Mac: Run sh sqldeveloper -J-Dsdev.insight=false
or edit sqldeveloper.conf and add "AddVMOption -J-Dsdev.insight=false"
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We did the same actions as described in tutorial
http://www.oracle.com/technology/products/timesten/viewlets/tt703_sqldev_install_ext_viewlet_swf.html
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again, again, again and again,,, :-(
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Mayby we didn't understand something or did something wrong?Hi Simon,
I found cause of update failure! It was the HTTP proxy setting.
I turned off "Use HTTP proxy server" checkbox in SQL Developer -> Tools -> Preferences -> Web Browser and Proxy.
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Valery Yourinsky -
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Hi,
How to retrieve sessions that consume a lot of Memory (Database 11.2.0.2) ?
Regards,791550 wrote:
Hi,
How to retrieve sessions that consume a lot of Memory (Database 11.2.0.2) ?
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Floh1111┌─[masolit]─[alienware]─[~]
└──╼ yaourt akonadi fake
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==> -------------------------------------------------------
==>
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Hello,
I have been using SQL developer for quite some time and had initially had problems in the past with high memory consuption when I use this tool.
I have received and applied advice from this forum and while it had helped a little, the majority of the high memory consuption remained an issue.
I finally got more time to dig around and try to specifically isolate where the problem seems to be coming from and here is what I found.
*1)* I have removed the Check for Updates feature
*2)* I have turned off many of the extensions except for DBA Navigator, Real Time SQL Monitoring, SearchBar and Snippet.
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Here is my About Detail;
Oracle SQL Developer 3.2.20.09
Version 3.2.20.09
Build MAIN-09.87
Copyright © 2005, 2012 Oracle. All Rights Reserved.
IDE Version: 11.1.1.4.37.59.48
Product ID: oracle.sqldeveloper
Product Version: 11.2.0.09.87
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Check For Updates oracle.ide.webupdate 11.1.1.4.37.59.48 Loaded
Code Editor oracle.ide.ceditor 11.1.1.4.37.59.48 Loaded
Component Palette oracle.ide.palette1 11.1.1.4.37.59.48 Loaded
Data Miner oracle.dmt.dataminer 11.2.1.1.09.87 Disabled by user
Database Connection Support oracle.jdeveloper.db.connection 11.1.1.4.37.59.48 Loaded
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Diagram Framework oracle.diagram 11.1.1.4.37.59.48 Loaded
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Replace With oracle.ide.replace 11.1.1.4.37.59.48 Loaded
Runner oracle.ide.runner 11.1.1.4.37.59.48 Loaded
VHV oracle.ide.vhv 11.1.1.4.37.59.48 Loaded
Versioning Support oracle.jdeveloper.vcs 11.1.1.4.37.59.48 Disabled by user
Versioning Support for Subversion oracle.jdeveloper.subversion 11.1.1.4.37.59.48 Missing dependencies: oracle.jdeveloper.vcs
Virtual File System oracle.ide.vfs 11.1.1.4.37.59.48 Loaded
Web Browser and Proxy oracle.ide.webbrowser 11.1.1.4.37.59.48 Loaded
XML Editing Framework IDE Extension oracle.ide.xmlef 11.1.1.4.37.59.48 Loaded
audit oracle.ide.audit 11.1.1.4.37.59.48 Loaded
classpath: protocol handler extension oracle.jdeveloper.classpath 11.1.1.0.0 Loaded
jdukshare oracle.bm.jdukshare 11.1.1.4.37.59.48 Loaded
mof-xmi oracle.mof.xmi 11.1.1.4.37.59.48 Loaded
oracle.ide.dependency oracle.ide.dependency 11.1.1.4.37.59.48 Loaded
oracle.ide.indexing oracle.ide.indexing 11.1.1.4.37.59.48 Loaded
palette2 oracle.ide.palette2 11.1.1.4.37.59.48 Loaded
status oracle.ide.status 11.1.1.4.37.59.48 Loaded
Thanks in advance...
Tom
Edited by: ERPDude on Feb 28, 2013 2:46 PMAces!!! You nailed it Gary...
Thank you.
I applied fixed noted in Re: Reduce SQLDeveloper memory footprint with JDK 1.7
For others, to summarize my changes.
product\11.2.0\client_3\sqldeveloper\sqldeveloper\bin\sqldeveloper.conf
AddVMOption -XX:+UnlockExperimentalVMOptions
AddVMOption -XX:+UseG1GC
AddVMOption -XX:MaxGCPauseMillis=50
AddVMOption -XX:GCPauseIntervalMillis=200
AddVMOption -XX:MaxPermSize=128M
AddVMOption -Xms50M
AddVMOption -Xmx384M
AddVMOption -XX:MinHeapFreeRatio=10
AddVMOption -XX:MaxHeapFreeRatio=10
product\11.2.0\client_3\sqldeveloper\ide\bin\ide.conf
comment the following two lines as shown below
#AddVMOption -Xmx640M
#AddVMOption -Xms128M
Now SQL Developer runs at roughly 500 meg.
I guess the only thing I have left to ask others reviewing this would be if there is a way to get these memory values down without having much adverse impacts on SQL Developer based on newer JVM switches/functionalities.
The posts that drove these changes are old from a technologoical perspective :) 2010.
Tom -
We have SQL Developer installed on our Citrix farm and we are facing hard times right now. Unfortunately SQL Developer is consuming in some cases more than 650 MB/session. And since we have on each site more than 50 users in same time, server gets exceeded very fast. Currently server is running Windows 2003 R2 edition x86. We know that this is bad and we are planning on switching on Windows Server 2008 R2. And here comes my questions:
Will Windows Server 2008 R2 work more effectively with Java x64 and SQL Developer x64 and resolve our memory issues?
Thank you.Hi,
I have no idea if Windows Server 2008 runs Java applications better than 2003 but, regardless of which you run, here are a couple of ideas that may be of help:
1. x32 Java/SQL Developer starts up with a smaller working set (246,000 KB) than x64 Java/SQL Developer (318,000 KB).
2. Try tweaking the garbage collection algorithm, using Garbage-First:
Re: Memory Leak or Bad Java Garbage Collector
I ran across this (old) comment from a blog on blogs.msdn.com:
Even though Windows Server 2008 R2 is exclusively a 64-bit operating system, 32-bit applications are
supported by enabling the WoW64 optional feature. If this feature is not enabled and you try to run a
32-bit application, the application will fail to execute. The WoW64 execution layer is an optional component
that is installed by default on R2 releases after beta1. You can save resources by removing the feature if
you are not going to be running 32-bit applications on your Server Core install. Regards,
Gary
SQL Developer Team
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