Oracle.exe taking high memory

Hello,I got an error Ora-04030:-ORA-04030: out of process memory when trying to allocate 3842688 bytes (session heap,kgich) on oracle 11gr2 On windows 8.
My ram is of 16gb
sga_max_size =8g
Pga_aggregate_target=1.5g
Oracle.exe goes upto 15gb.
how it is possible?
please reply...

Simple: Oracle processes are implemented as threads within Oracle.exe. So you all of your sessions communicate with a corresponding thread in the Oracle.exe service. Evidently those threads consume memory.
A SGA of 8 Gb, 50 percent of physical RAM, looks a bit outrageous to me.
Also Windows 8? That is not even yet released! Did Oracle certify 11gR2 against Windows 8? No doubt they didn't, they never certify against newer releases!!
Sybrand Bakker
Senior Oracle DBA

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SQL> select pool,sum(bytes) from v$sgastat group by pool;
POOL         SUM(BYTES)
              915543216
java pool      67108864
streams pool 268503944
shared pool 2147494008
large pool     67108864
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SQL> select * from v$pgastat;
NAME                                                                  VALUE UNIT
aggregate PGA target parameter                                    671088640 bytes
aggregate PGA auto target                                         147564544 bytes
global memory bound                                               104857600 bytes
total PGA inuse                                                   533962752 bytes
total PGA allocated                                               810819584 bytes
maximum PGA allocated                                            1244466176 bytes
total freeable PGA memory                                          90243072 bytes
process count                                                           450
max processes count                                                     588
PGA memory freed back to OS                                      1.9883E+10 bytes
total PGA used for auto workareas                                  28210176 bytes
maximum PGA used for auto workareas                                39973888 bytes
total PGA used for manual workareas                                       0 bytes
maximum PGA used for manual workareas                                531456 bytes
over allocation count                                                     7
bytes processed                                                  2.6307E+10 bytes
extra bytes read/written                                                  0 bytes
cache hit percentage                                                    100 percent
recompute count (total)                                               72720
19 rows selected.
SQL>
SQL> show parameter _target
NAME                                 TYPE                             VALUE
archive_lag_target                   integer                          0
db_flashback_retention_target        integer                          1440
fast_start_io_target                 integer                          0
fast_start_mttr_target               integer                          0
memory_max_target                    big integer                      5G
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user9182826 wrote:
hi
i have oracle running on solaris, sga set to 3 gb but below command showing multiple process for PRDLIVE
and taking more memory than 3GB in total, .... occasionally i see oracle shutting down due to out of memory issue ...
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18688 11.4 3381200 1859272 oraclePRDLIVE
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18557 9.6 3377392 1553744 ora_w000_PRDLIVE
18555 9.6 3377272 1550384 ora_smco_PRDLIVE
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CORE 11.2.0.3.0 Production
TNS for Solaris: Version 11.2.0.3.0 - Production
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Oracle SQL Developer 3.2.20.09
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Copyright © 2005, 2012 Oracle. All Rights Reserved.
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Java(TM) Platform     1.6.0_35
Oracle IDE     3.2.20.09.87
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file.encoding.pkg     sun.io
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ice.browser.forcegc     false
ice.pilots.html4.ignoreNonGenericFonts     true
ice.pilots.html4.tileOptThreshold     0
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ide.bootstrap.start     109707460930968
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ide.devbuild     false
ide.extension.search.path     sqldeveloper/extensions:jdev/extensions:ide/extensions
ide.firstrun     true
ide.java.minversion     1.6.0_04
ide.launcherProcessId     3276
ide.main.class     oracle.ide.boot.IdeLauncher
ide.patches.dir     ide/lib/patches
ide.pref.dir     C:\Users\twilliams\AppData\Roaming\SQL Developer
ide.pref.dir.base     C:\Users\twilliams\AppData\Roaming
ide.product     oracle.sqldeveloper
ide.shell.enableFileTypeAssociation     C:\app\twilliams\product\11.2.0\client_3\sqldeveloper\sqldeveloper\bin\sqldeveloperW.exe
ide.splash.screen     splash.gif
ide.startingArg0     C:\app\twilliams\product\11.2.0\client_3\sqldeveloper\sqldeveloper\bin\sqldeveloperW.exe
ide.startingcwd     C:\app\twilliams\product\11.2.0\client_3\SQLDEVELOPER\SQLDEVELOPER\BIN
ide.user.dir     C:\Users\twilliams\AppData\Roaming\SQL Developer
ide.user.dir.var     IDE_USER_DIR
ide.work.dir     C:\Users\twilliams\Documents\SQL Developer
ide.work.dir.base     C:\Users\twilliams\Documents
ilog.propagatesPropertyEditors     false
java.awt.graphicsenv     sun.awt.Win32GraphicsEnvironment
java.awt.printerjob     sun.awt.windows.WPrinterJob
java.class.path     ..\..\ide\lib\ide-boot.jar
java.class.version     50.0
java.endorsed.dirs     C:\app\twilliams\product\11.2.0\client_3\sqldeveloper\jdk\jre\lib\endorsed
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java.specification.vendor     Sun Microsystems Inc.
java.specification.version     1.6
java.util.logging.config.file     logging.conf
java.vendor     Sun Microsystems Inc.
java.vendor.url     http://java.sun.com/
java.vendor.url.bug     http://java.sun.com/cgi-bin/bugreport.cgi
java.version     1.6.0_35
java.vm.info     mixed mode
java.vm.name     Java HotSpot(TM) Client VM
java.vm.specification.name     Java Virtual Machine Specification
java.vm.specification.vendor     Sun Microsystems Inc.
java.vm.specification.version     1.0
java.vm.vendor     Sun Microsystems Inc.
java.vm.version     20.10-b01
jdbc.driver.home     /C:/app/twilliams/product/11.2.0/client_3/
jdbc.library     /C:/app/twilliams/product/11.2.0/client_3/jdbc/lib/ojdbc6.jar
line.separator     \r\n
oracle.home     C:\app\twilliams\product\11.2.0\client_3\sqldeveloper
oracle.ide.util.AddinPolicyUtils.OVERRIDE_FLAG     true
oracle.jdbc.mapDateToTimestamp     false
oracle.translated.locales     de,es,fr,it,ja,ko,pt_BR,zh_CN,zh_TW
oracle.xdkjava.compatibility.version     9.0.4
orai18n.library     /C:/app/twilliams/product/11.2.0/client_3/jlib/orai18n.jar
os.arch     x86
os.name     Windows 7
os.version     6.1
path.separator     ;
reserved_filenames     con,aux,prn,lpt1,lpt2,lpt3,lpt4,lpt5,lpt6,lpt7,lpt8,lpt9,com1,com2,com3,com4,com5,com6,com7,com8,com9,conin$,conout,conout$
sqldev.debug     false
sun.arch.data.model     32
sun.boot.class.path     C:\app\twilliams\product\11.2.0\client_3\sqldeveloper\jdk\jre\lib\resources.jar;C:\app\twilliams\product\11.2.0\client_3\sqldeveloper\jdk\jre\lib\rt.jar;C:\app\twilliams\product\11.2.0\client_3\sqldeveloper\jdk\jre\lib\sunrsasign.jar;C:\app\twilliams\product\11.2.0\client_3\sqldeveloper\jdk\jre\lib\jsse.jar;C:\app\twilliams\product\11.2.0\client_3\sqldeveloper\jdk\jre\lib\jce.jar;C:\app\twilliams\product\11.2.0\client_3\sqldeveloper\jdk\jre\lib\charsets.jar;C:\app\twilliams\product\11.2.0\client_3\sqldeveloper\jdk\jre\lib\modules\jdk.boot.jar;C:\app\twilliams\product\11.2.0\client_3\sqldeveloper\jdk\jre\classes
sun.boot.library.path     C:\app\twilliams\product\11.2.0\client_3\sqldeveloper\jdk\jre\bin
sun.cpu.endian     little
sun.cpu.isalist     pentium_pro+mmx pentium_pro pentium+mmx pentium i486 i386 i86
sun.desktop     windows
sun.io.unicode.encoding     UnicodeLittle
sun.java2d.ddoffscreen     false
sun.jnu.encoding     Cp1252
sun.management.compiler     HotSpot Client Compiler
sun.os.patch.level     Service Pack 1
user.country     US
user.dir     C:\app\twilliams\product\11.2.0\client_3\SQLDEVELOPER\SQLDEVELOPER\BIN
user.home     C:\Users\twilliams
user.language     en
user.name     twilliams
user.timezone     America/Los_Angeles
user.variant
windows.shell.font.languages
Extensions
Name     Identifier     Version     Status
====     ==========     =======     ======
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
Database Object Explorers     oracle.ide.db.explorer     11.1.1.4.37.59.48     Loaded
Database UI     oracle.ide.db     11.1.1.4.37.59.48     Loaded
Diagram Framework     oracle.diagram     11.1.1.4.37.59.48     Loaded
Diagram Javadoc Extension     oracle.diagram.javadoc     11.1.1.4.37.59.48     Loaded
Diagram Thumbnail     oracle.diagram.thumbnail     11.1.1.4.37.59.48     Loaded
Diff/Merge     oracle.ide.diffmerge     11.1.1.4.37.59.48     Loaded
Extended IDE Platform     oracle.javacore     11.1.1.4.37.59.48     Loaded
External Tools     oracle.ide.externaltools     11.1.1.4.37.59.48     Loaded
File Support     oracle.ide.files     11.1.1.4.37.59.48     Loaded
Help System     oracle.ide.help     11.1.1.4.37.59.48     Loaded
History Support     oracle.jdeveloper.history     11.1.1.4.37.59.48     Loaded
Import/Export Support     oracle.ide.importexport     11.1.1.4.37.59.48     Loaded
Index Migrator support     oracle.ideimpl.indexing-migrator     11.1.1.4.37.59.48     Loaded
JDeveloper Runner     oracle.jdeveloper.runner     11.1.1.4.37.59.48     Loaded
JViews Registration Addin     oracle.diagram.registration     11.1.1.4.37.59.48     Loaded
Log Window     oracle.ide.log     11.1.1.4.37.59.48     Loaded
Mac OS X Adapter     oracle.ideimpl.apple     11.1.1.4.37.59.48     Loaded
Navigator     oracle.ide.navigator     11.1.1.4.37.59.48     Loaded
Object Gallery     oracle.ide.gallery     11.1.1.4.37.59.48     Loaded
Oracle IDE     oracle.ide     11.1.1.4.37.59.48     Loaded
Oracle SQL Developer     oracle.sqldeveloper     11.2.0.09.87     Loaded
Oracle SQL Developer - 3rd Party Database Browsers     oracle.sqldeveloper.thirdparty.browsers     11.2.0.09.87     Loaded
Oracle SQL Developer - APEX Listener Administration     oracle.sqldeveloper.listener     11.2.0.09.87     Loaded
Oracle SQL Developer - Change Mangement     oracle.sqldeveloper.em_cm     11.2.0.09.87     Loaded
Oracle SQL Developer - DBA Navigator     oracle.sqldeveloper.dbanavigator     11.2.0.09.87     Loaded
Oracle SQL Developer - Database Cart     oracle.sqldeveloper.dbcart     11.2.0.09.87     Loaded
Oracle SQL Developer - Extras     oracle.sqldeveloper.extras     11.2.0.09.87     Loaded
Oracle SQL Developer - File Navigator     oracle.sqldeveloper.filenavigator     11.2.0.09.87     Loaded
Oracle SQL Developer - Migrations Antlr3 Translator     oracle.sqldeveloper.migration.translation.core_antlr3     11.2.0.09.87     Missing dependencies: oracle.sqldeveloper.migration
Oracle SQL Developer - Migrations Application Migration     oracle.sqldeveloper.migration.application     11.2.0.09.87     Disabled by user
Oracle SQL Developer - Migrations Core     oracle.sqldeveloper.migration     11.2.0.09.87     Disabled by user
Oracle SQL Developer - Migrations DB2     oracle.sqldeveloper.migration.db2     11.2.0.09.87     Disabled by user
Oracle SQL Developer - Migrations DB2 Translator     oracle.sqldeveloper.migration.translation.db2     11.2.0.09.87     Missing dependencies: oracle.sqldeveloper.migration, oracle.sqldeveloper.migration.translation.core_antlr3
Oracle SQL Developer - Migrations Microsoft Access     oracle.sqldeveloper.migration.msaccess     11.2.0.09.87     Disabled by user
Oracle SQL Developer - Migrations Microsoft SQL Server     oracle.sqldeveloper.migration.sqlserver     11.2.0.09.87     Disabled by user
Oracle SQL Developer - Migrations MySQL     oracle.sqldeveloper.migration.mysql     11.2.0.09.87     Disabled by user
Oracle SQL Developer - Migrations Sybase Adaptive Server     oracle.sqldeveloper.migration.sybase     11.2.0.09.87     Disabled by user
Oracle SQL Developer - Migrations T-SQL Translator     oracle.sqldeveloper.migration.translation.core     11.2.0.09.87     Missing dependencies: oracle.sqldeveloper.migration
Oracle SQL Developer - Migrations Teradata     oracle.sqldeveloper.migration.teradata     11.2.0.09.87     Disabled by user
Oracle SQL Developer - Migrations Teradata SQL Translator     oracle.sqldeveloper.migration.translation.teradata_translator     11.2.0.09.87     Missing dependencies: oracle.sqldeveloper.migration, oracle.sqldeveloper.migration.translation.core
Oracle SQL Developer - Migrations Translation UI     oracle.sqldeveloper.migration.translation.gui     11.2.0.09.87     Disabled by user
Oracle SQL Developer - Object Viewer     oracle.sqldeveloper.oviewer     11.2.0.09.87     Loaded
Oracle SQL Developer - Real Time SQL Monitoring     oracle.sqldeveloper.sqlmonitor     11.2.0.09.87     Loaded
Oracle SQL Developer - Reports     oracle.sqldeveloper.report     11.2.0.09.87     Loaded
Oracle SQL Developer - Scheduler     oracle.sqldeveloper.scheduler     11.2.0.09.87     Disabled by user
Oracle SQL Developer - Schema Browser     oracle.sqldeveloper.schemabrowser     11.2.0.09.87     Loaded
Oracle SQL Developer - SearchBar     oracle.sqldeveloper.searchbar     11.2.0.09.87     Loaded
Oracle SQL Developer - Security     oracle.sqldeveloper.security     11.2.0.09.87     Disabled by user
Oracle SQL Developer - Snippet     oracle.sqldeveloper.snippet     11.2.0.09.87     Loaded
Oracle SQL Developer - Spatial     oracle.sqldeveloper.spatial     11.2.0.09.87     Disabled by user
Oracle SQL Developer - TimesTen     oracle.sqldeveloper.timesten     11.2.0.09.87     Disabled by user
Oracle SQL Developer - Tuning     oracle.sqldeveloper.tuning     11.2.0.09.87     Loaded
Oracle SQL Developer - Unit Test     oracle.sqldeveloper.unit_test     11.2.0.09.87     Disabled by user
Oracle SQL Developer - User Extensions Support     oracle.sqldeveloper.userextensions     11.2.0.09.87     Loaded
Oracle SQL Developer - Worksheet v2     oracle.sqldeveloper.worksheet     11.2.0.09.87     Loaded
Oracle SQL Developer - XML Schema     oracle.sqldeveloper.xmlschema     11.2.0.09.87     Loaded
Oracle SQL Developer Data Modeler     oracle.datamodeler     3.1.4.710     Disabled by user
Oracle SQL Developer Data Modeler - Reports     oracle.sqldeveloper.datamodeler_reports     11.2.0.09.87     Disabled by user
PROBE Debugger     oracle.jdeveloper.db.debug.probe     11.1.1.4.37.59.48     Loaded
Peek     oracle.ide.peek     11.1.1.4.37.59.48     Loaded
Persistent Storage     oracle.ide.persistence     11.1.1.4.37.59.48     Loaded
Property Inspector     oracle.ide.inspector     11.1.1.4.37.59.48     Loaded
QuickDiff     oracle.ide.quickdiff     11.1.1.4.37.59.48     Loaded
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 PM

Aces!!! 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

High memory usage on JDBC 10.2.0.1.0 driver on Prepared/Callable Statements

We are observing high memory usage for each callable/prepared stmt, using 10.2.0.1.0 JDBC Driver. The char[] in oracle/jdbc/driver/T4CVarcharAccessor was alloted 64K to 320K and grows with usage. This problem is worse with 10.1.0.2. driver which was alloted 720K byte of memory for each stmt right at the start.
We found this by doing a JVM heap dump and analyzing the heap dump using IBM's heap analyser. Here is a snapshot of the heap dump for this object:
321,240 [216] 11 oracle/jdbc/driver/T4CVarcharAccessor 0x72752968
- 320,616 [320,616] 0 char[] 0x72761028
- 216 [216] 0 short[] 0x727527d8
- 72 [32] 1 java/lang/String 0x727530a0
- 24 [24] 0 int[] 0x72752938
- 24 [24] 0 int[] 0x72752948
- 24 [24] 0 int[] 0x72752958
- 16 [16] 0 bool[] 0x72752928
- 16 [16] 0 byte[] 0x727528b0
- 16 [16] 0 bool[] 0x72752918
- 10,336 [88] 15 oracle/jdbc/driver/T4CMAREngine 0x712e7128
- 1,544 [1,032] 79 oracle/jdbc/driver/T4CPreparedStatement 0x72754c58
It is repeated many times for each prepared/callable stmt call.
Details of our platform is:
Database - Oracle Database 10g Release 10.2.0.1.0 - 64bit Production
JDBC Driver - Oracle Database 10g Release 2 (10.2.0.1.0) JDBC Drivers
JDK - [Classic VM, Version 1.4.2] from [IBM Corporation]
Our callable stmts are not using any of the Oracle caching facility. It is a simple call stmt with OUT parameters and the stmt is closed after each execution. However, we implement our own connection pooling and do not close the connection after each stmt.
Is there a workaround to this? Would appreciate any feedback.

What is happening is that each new CallableStatement you create allocates a new char[]. I would strongly encourage you to use the implicit statement cache if at all possible. That way instead of creating a new statement each time with a new char[] you will get an already existing statement and reuse the existing char[]. Closing a statement releases the char[] so if you really are closing the statements the char[]s should be GC'd.
Douglas

Oracle.exe consuming 100% CPU on windows and database hang

Hi all,
every time my oracle database is hanging when the application run, the problem is the oracle.exe consum 100% CPU but not memory and the server hang and the dabase is going to inaccessible, we need to restart oracle instance service or server to bring the databas eback to normal but it's not permanent because the problem occurs once the application turn on.
Checking the log file i found the below error every time:
My database version is 9.2.0.7.0
OS: Windows 2003 Server Standard Edition Service Pack 2
RAM: 3,5Gb
CPU: Inte Xeon 3.20 GHz
ORA-00600: internal error code, arguments: [kghuclientasp_03], [0xBFEADCE0], [0], [0], [0], [], [], []
ORA-29913: error in executing ODCIEXTTABLEFETCH callout
ORA-29400: data cartridge error
KUP-04050: error while attempting to allocate 163500 bytes of memory
ORA-06512: at "SYS.ORACLE_LOADER", line 14
ORA-06512: at line 1
Fri Mar 05 05:35:15 2010
Errors in file e:\oracle\admin\optprod\udump\optprod_ora_5876.trc:
ORA-00603: ORACLE server session terminated by fatal error
ORA-04030: out of process memory when trying to allocate 8389132 bytes (pga heap,redo read buffer)
ORA-04030: out of process memory when trying to allocate 8389132 bytes (pga heap,redo read buffer)
ORA-04030: out of process memory when trying to allocate 8180 bytes (callheap,kcbtmal allocation)
Thank you
Lucienot.

Is this a new application on this database?
Has it run well in the past?
I have had this happen before on a 32bit Windows server. Our problem was a poorly written procedure that kept pegging the cpu to 100%. You should be able to figure out what SQL is being used that is causing this problem, it will be the Top Working SQL most likely.
I also had this problem on a Logical Standby server which was trying to apply SQL to the SYS.AUD$ table. As soon as SQL Apply was started, the CPU went to 100%. Once I truncated that table, the cpu usage went back to normal. Not sure what you are using to monitor your database but if you can, try to find out what SQL is running when your CPU goes to 100%.

Oracle.exe taking high memory

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