Lost connection after adjusting SGA and PGA

I lowered SGA from 170M to 50M, and PGA from 60M to 10M. Now I can not connect to XE using apex. Toad also reports ora-12514. I rebooted the pc and also manually cycled the db. But nothing works. In Service the oracle servies appear to be fine.
Thanks for any help.
I didn't register to the private forum for XE. So I post my question here. Hope people are not offended.
xmk

Problem solved!
1. Stop db and rename
C:\ORACLEXE\APP\ORACLE\PRODUCT\10.2.0\SERVER\DBS\SPFILEXE.ORA
to
C:\ORACLEXE\APP\ORACLE\PRODUCT\10.2.0\SERVER\DBS\OLD_SPFILEXE.ORA
2. Start db.
3. sqlplus "/ as sysdba"
4. In sqlplus:
startup pfile='C:\oraclexe\app\oracle\product\10.2.0\server\config\scripts\init.ora';
This brings up the database.
5. In sqlplus:
create spfile from pfile='C:\oraclexe\app\oracle\product\10.2.0\server\config\scripts\init.ora';
This creates 'C:\oraclexe\app\oracle\product\10.2.0\server\database\SPFILEXE.ORA'
6. Stop db, move SPFILEXE.ORA to C:\oraclexe\app\oracle\product\10.2.0\server\dbs
7. Start db. Now it is working.
Thoughts:
1. I probably don't have to do 4. And I can combine 5 and 6 and generate SPFILEXE.ORA from init.ora in one step by specifying the destination.
2. In C:\oraclexe\app\oracle\product\10.2.0\server\config\scripts there is a initXETemp.ora which is very similar to init.ora. You may use it to recover as well.
Thanks everyone!
xmk

Similar Messages

Lost connection to XE after adjusting SGA and PGA

I lowered SGA from 170M to 50M, and PGA from 60M to 10M. Now I can not connect to XE using apex. Toad also reports ora-12514. I rebooted the pc and also manually cycled the db. But nothing works. In Service the oracle servies appear to be fine.
Thanks for any help.
Sorry for posting XE question here. I can't access the XE forum.
xmk

I reboot it again and this time I can get in sqlplus by using
sqlplus "/ as sysdba"
The following is the bottom part of aler_xe.log, a bit long.
^^^^^^^^^^^^^^^^^^^^
Instance terminated by USER, pid = 2432
Dump file c:\oraclexe\app\oracle\admin\xe\bdump\alert_xe.log
Thu Oct 12 13:29:15 2006
ORACLE V10.2.0.1.0 - Production vsnsta=0
vsnsql=14 vsnxtr=3
Windows XP Version V5.1 Service Pack 2
CPU : 2 - type 586
Process Affinity : 0x00000000
Memory (Avail/Total): Ph:698M/1014M, Ph+PgF:2232M/2440M, VA:1944M/2047M
Thu Oct 12 13:29:15 2006
Starting ORACLE instance (normal)
LICENSE_MAX_SESSION = 0
LICENSE_SESSIONS_WARNING = 0
Picked latch-free SCN scheme 2
Using LOG_ARCHIVE_DEST_10 parameter default value as USE_DB_RECOVERY_FILE_DEST
Autotune of undo retention is turned on.
IMODE=BR
ILAT =10
LICENSE_MAX_USERS = 0
SYS auditing is disabled
Thu Oct 12 13:29:26 2006
ksdpec: called for event 13740 prior to event group initialization
Starting up ORACLE RDBMS Version: 10.2.0.1.0.
System parameters with non-default values:
sessions = 49
__shared_pool_size = 16777216
__large_pool_size = 0
__java_pool_size = 4194304
__streams_pool_size = 0
spfile = C:\ORACLEXE\APP\ORACLE\PRODUCT\10.2.0\SERVER\DBS\SPFILEXE.ORA
sga_target = 54525952
control_files = C:\ORACLEXE\ORADATA\XE\CONTROL.DBF
__db_cache_size = 29360128
compatible = 10.2.0.1.0
db_recovery_file_dest = C:\oraclexe\app\oracle\flash_recovery_area
db_recovery_file_dest_size= 10737418240
undo_management = AUTO
undo_tablespace = UNDO
remote_login_passwordfile= EXCLUSIVE
dispatchers = (PROTOCOL=TCP) (SERVICE=XEXDB)
shared_servers = 4
job_queue_processes = 4
audit_file_dest = C:\ORACLEXE\APP\ORACLE\ADMIN\XE\ADUMP
background_dump_dest = C:\ORACLEXE\APP\ORACLE\ADMIN\XE\BDUMP
user_dump_dest = C:\ORACLEXE\APP\ORACLE\ADMIN\XE\UDUMP
core_dump_dest = C:\ORACLEXE\APP\ORACLE\ADMIN\XE\CDUMP
db_name = XE
open_cursors = 300
os_authent_prefix =
pga_aggregate_target = 10485760
PSP0 started with pid=3, OS id=2316
PMON started with pid=2, OS id=2312
MMAN started with pid=4, OS id=2320
DBW0 started with pid=5, OS id=2492
LGWR started with pid=6, OS id=2496
CKPT started with pid=7, OS id=2508
SMON started with pid=8, OS id=2472
RECO started with pid=9, OS id=2476
CJQ0 started with pid=10, OS id=2516
MMON started with pid=11, OS id=2524
Thu Oct 12 13:29:28 2006
starting up 1 dispatcher(s) for network address '(ADDRESS=(PARTIAL=YES)(PROTOCOL=TCP))'...
MMNL started with pid=12, OS id=1704
Thu Oct 12 13:29:28 2006
starting up 4 shared server(s) ...
USER: terminating instance due to error 12853
Thu Oct 12 13:29:34 2006
Errors in file c:\oraclexe\app\oracle\admin\xe\bdump\xe_pmon_2312.trc:
ORA-12853: insufficient memory for PX buffers: current K, max needed K
Thu Oct 12 13:29:34 2006
Errors in file c:\oraclexe\app\oracle\admin\xe\bdump\xe_dbw0_2492.trc:
ORA-12853: insufficient memory for PX buffers: current K, max needed K
Thu Oct 12 13:29:34 2006
Errors in file c:\oraclexe\app\oracle\admin\xe\bdump\xe_mman_2320.trc:
ORA-12853: insufficient memory for PX buffers: current K, max needed K
Thu Oct 12 13:29:34 2006
Errors in file c:\oraclexe\app\oracle\admin\xe\bdump\xe_lgwr_2496.trc:
ORA-12853: insufficient memory for PX buffers: current K, max needed K
Thu Oct 12 13:29:34 2006
Errors in file c:\oraclexe\app\oracle\admin\xe\bdump\xe_reco_2476.trc:
ORA-12853: insufficient memory for PX buffers: current K, max needed K
Thu Oct 12 13:29:34 2006
Errors in file c:\oraclexe\app\oracle\admin\xe\bdump\xe_smon_2472.trc:
ORA-12853: insufficient memory for PX buffers: current K, max needed K
Thu Oct 12 13:29:34 2006
Errors in file c:\oraclexe\app\oracle\admin\xe\bdump\xe_ckpt_2508.trc:
ORA-12853: insufficient memory for PX buffers: current K, max needed K
Thu Oct 12 13:29:35 2006
Errors in file c:\oraclexe\app\oracle\admin\xe\bdump\xe_psp0_2316.trc:
ORA-12853: insufficient memory for PX buffers: current K, max needed K
Instance terminated by USER, pid = 1544

Lost clips after adjusting date and time??

I just updated to iMovie 10.0.3 and adjusted a buch of events in iMovie. All of them were incorrectly placed in wrong years when viewing in "by date" format. After adjusting the date and time with the event highlighted, I come to see either all or some (a clip of two) of the event is lost. The good old "missing file" is what I get in the playback window.
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There seems to be a serious bug here that has been introduced with iMovie 10.0.3, and reported by several posters. I would recommend you report it using Apple feedback at: http://www.apple.com/feedback/
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Suggestion in increasing the SGA and PGA after increase in the RAm of the machine .

Hi All,
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There are 9 DB's running on oracle 10g and 11g on this machine
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Thanks for this Justin.
Here the exercise is to add 4 CPU's and 32G RAM to the server earlier it was with 4 CPU's and 64G RAM this was decided by the server support team .
here is the stats from SAR   command ..
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Oracle Database 11g Enterprise Edition Release 11.2.0.2.0 - 64bit Production
PL/SQL Release 11.2.0.2.0 - Production
CORE    11.2.0.2.0      Production
TNS for Linux: Version 11.2.0.2.0 - Production
NLSRTL Version 11.2.0.2.0 - Production
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like kernal.shmmax
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TS4036 Trying to restore, I've tried a dozen networks and I keep getting a "lost connection" after an hour or two, EVERYTIME. Using Cox Wi-fi with a net gear 300 router. Any suggestions?

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Manually allocate SGA and PGA to a Instance?

1) Can we Manually allocate SGA and PGA to a Instance after . startup
sql>show user
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Thanx

If you are using 10g, you can modify PGA size after instance startup by alter system to change PGA_AGGREGATE_TARGET
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Hi,
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Hi,
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Action Plan to change the memory parameter in the production environment(5/21/2010)
Note:
=====
Practice should be done in the DEV/TST environment before moving to Production;
Although the procedure could be applied in the testing environment the changing values
used in the testing environment should be modified since RAM number are not the
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     ====================================================
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Increase the SGA and PGA size

Hello Guru,
How do i check what is my SGA and PGA..I am using TOAD..
I need to increase the SGA and PGA size...Please help..
I have a table having 200 million records, all indexes are there for the column..But it hang on in the debugging mode and also compile mode..
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Thanks,
Haraprasad...

805936 wrote:
Hello Guru,
How do i check what is my SGA and PGA..I am using TOAD..
I need to increase the SGA and PGA size...Please help..
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I have a table having 200 million records, all indexes are there for the column..But it hang on in the debugging mode and also compile mode..
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HTH
Aman....

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Lost connection after adjusting SGA and PGA

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