Server Administration :: Shared Pool Free Percentage Greater Than 100
Jul 5, 2010
value of "Shared Pool Free %" in v$sysmetric is larger than 100%
SQL> select value, group_id from v$sysmetric where metric_name = 'Shared Pool Free %';
VALUE GROUP_ID
186.45107 2
186.4685382 3
SQL> show parameter shared_pool
NAME TYPE VALUE
-------------- ------------ --
shared_pool_reserved_size big integer 832149913
shared_pool_size big integer 0
SQL> show sga
Total System Global Area 1.0155E+11 bytes
Fixed Size 2163880 bytes
Variable Size 8.1068E+10 bytes
Database Buffers 2.0401E+10 bytes
Redo Buffers 79310848 bytes
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Jun 4, 2013
I want to increase my shared pool. my SGA values are as under below.
SELECT NAME,SUM(VALUE)/1024/1024/1024 gb FROM V$SGA
GROUP BY NAME;
Database Buffer 4.8125
Redo Buffers 0.0782623291015625
Variable Size 19.0000001564622
Fixed Size 0.00208648294210434
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Feb 10, 2011
we want to pin a sql query in shared pool so that it doesn't need to be re parsed. How to do that
dbms_shared_pool_keep() do for the functions and procedure does it also do for sql queries if yes then how?
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Aug 25, 2011
If I have specify the SGA_TARGET, do I still need to specify the amount of memory for SHARED_POOL_SIZE? I thought once the SGA_TARGET, auto memory management is in place and SHARED_POOL is not neccessary.
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Jun 14, 2010
we are running a 2 node rac database of oracle 10.2.0.4 in aix 6.3. The shared pool utilisation goes up when we run our jobs and sql statements. But it does not come down. It been 2 gig for over 3 days without any processes running.
Is there a threshold time period after which oracle will release the space utilisation from the shared pool????
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Jun 25, 2010
We are facing performance issues on our production instance 10g(10.2.0.4) 32-bit OELinux 5.3 2GB SGA. The performance is mainly related to one of the table which is sized about 32Gb. We have rebuild the indexes as well but problemstill persist. We are considering to pin SQL statement in shared pool which is hitting the same table frequently. But as far what we have find, is that we can only pin procedures or function in shared pool. True/false?If we can, then how to pin SQL statement in shared pool?If we can not, then is there any other way?
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Jun 9, 2011
Oracle 10.2.0.4 (user or developer getting error for not able to allocate ora 04031.
I am trying to do alter system shared_pool_size = 250M but it says
ORA-02097: parameter cannot be modified because specified value is invalid
ORA-04033: Insufficient memory to grow pool
I checked the show parameter sga_max_size = 376 M
the set upin the init.ora for pools:
###########################################
# Pools
###########################################
java_pool_size=157286400
large_pool_size=33554432
shared_pool_size=157286400
From show parameter sga;
[code]...
no rows selected
OS Linux. this was the message in alert.log;
ORA-04031: unable to allocate 88 bytes of shared memory ("shared pool","select /*+ rule */ bucket_cn...","sql area","opn: qkexrInitOpn")
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May 11, 2011
estimate the percentage of memory should i can allocate from the total physical memory (it is 6G) as attached in the image file as a print screen.
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Feb 26, 2013
for some reason,i want to know which data block contains free space,or which table/index contains free space.
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Jul 23, 2011
How do we find the free space in tablespaces in a standby database
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Jul 26, 2011
we have 5 tempfile ( each of 65 gb ) allocated to TEMP tablespace...and still we are running in short of space..when i checked the TEMP segment usage, i am able to see much FREE blocks. how to release those space ?
TABLESPACE_N FILE_ID FILE_NAME Size(MB)
------------ ---------- ------------------------------------------- ----------
TEMP 1 +DATA/tedw/tempfile/temp.3043.727779755 65535.9688
TEMP 2 +DATA/tedw/tempfile/temp.3042.727779749 65535.9688
TEMP 3 +DATA/tedw/tempfile/temp.3041.727779741 65535.9688
TEMP 4 +DATA/tedw/tempfile/temp.4065.730387401 65535.9688
TEMP 5 +DATA/tedw/tempfile/temp.4075.731586241 65535.9688SELECT tablespace_name,
total_blocks,
used_blocks,
free_blocks,
total_blocks*16/1024 as total_MB,
used_blocks*16/1024 as used_MB,
free_blocks*16/1024 as free_MB
FROM v$sort_segment;
TABLESPACE_N TOTAL_BLOCKS USED_BLOCKS FREE_BLOCKS TOTAL_MB USED_MB FREE_MB
------------ ------------ ----------- ----------- ---------- ---------- ----------
TEMP 9994624 1007360 8987264 156166 15740 140426
1 row selected.
further when i checked the session details using TEMP segment, i got below output:
SELECT b.tablespace, b.segfile#, b.segblk#, b.blocks, a.sid, a.serial#,a.username, a.osuser, a.status
FROM v$session a,v$sort_usage b
WHERE a.saddr = b.session_addr
ORDER BY b.tablespace, b.segfile#, b.segblk#, b.blocks;
TABLESPACE SEGFILE# SEGBLK# BLOCKS SID SERIAL# USERNAME OSUSER STATUS
------------------------------- ---------- ---------- ---------- ---------- ---------- ------------------------------ ------------------------------ --------
TEMP 15001 3549184 576 475 1237 EQUIPMENT infa ACTIVE
TEMP 15001 4002368 64 796 4677 CRM infa ACTIVE
TEMP 15002 580608 20352 868 615 EDW infa ACTIVE
TEMP 15002 3962112 832 92 1065 EDWSTG infa ACTIVE
TEMP 15002 4021120 576 1236 7257 EQUIPMENT infa ACTIVE
TEMP 15003 23936 64 819 5586 EDW infa ACTIVE
TEMP 15003 3798400 832 855 1801 EDWSTG infa ACTIVE
TEMP 15004 205056 21632 795 8171 EDW infa ACTIVE
TEMP 15004 4031488 832 403 1299 EDWSTG infa ACTIVE
TEMP 15004 4131456 576 19 6802 EQUIPMENT infa ACTIVE
TEMP 15005 3617856 832 1166 6204 EDWSTG infa ACTIVE
TEMP 15005 3741760 576 862 953 EQUIPMENT infa ACTIVE
TEMP 15005 4042752 18176 1226 5379 CDM infa ACTIVE
3 rows selected.
if i killed the SID - 1226, then those temp blocks ( 18176 blocks ) will be released and can other session use that space further ?
there is one more column - SEGBLK#
explain what is the exact meaning of this column ?
to reclaim the space, should i issue below command -
sql>alter tablespace TEMP coalesce;
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Apr 29, 2012
which data dictionary view would you query to see the free extents in a tablespace.
i use dba_free_space;
SQL> select tablespace_name,sum(bytes),sum(blocks) from dba_free_space where
tablespace_name = 'SYSTEM' GROUP BY TABLESPACE_NAME;
TABLESPACE_NAME SUM(BYTES) SUM(BLOCKS)
------------------------------ ---------- -----------
SYSTEM 9830400 1200
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Feb 15, 2011
How to free up the tablespace size when it reaches its threshold (Max limit)?
Say for example USERS & SYSAUX tablespace reaches above 90%.
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Jan 25, 2010
I am facing a problem as listed below:
$sqlplus /nolog
SQL>conn /as sydba
connected.
SQL>conn upt/upt
not connected
ora-01034 not available
ora-27101 shared memory realm doesntnot exists
linux error-2 no such file ...
SQL>...
UPT is the user in which our data resides.
wat cud be the problem??????
I tried increasing sizes in INIT.ORA.... listener,tns is OK
.bash_profile of ORACLE user is also correct.
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Feb 3, 2012
How to check whether database is dedicated or shared ?
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Jan 17, 2013
i did this step
C:UsersAdministrator>sqlplus
SQL*Plus: Release 10.2.0.4.0 - Production on Thu Jan 17 15:59:33 2013
Copyright (c) 1982, 2007, Oracle. All Rights Reserved.
Enter user-name: sys@orcl as sysdba
Enter password:
Connected to an idle instance.
SQL> create pfile from spfile;
[code].....
here its my init.ora file
##############################################################################
# Copyright (c) 1991, 2001, 2002 by Oracle Corporation
##############################################################################
###########################################
# Cache and I/O
###########################################
[code].....
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Sep 16, 2003
All of a sudden my oracle application has stopped functioning.When I try to log in I get the following messages:
ORA-27101 SHARED MEMORY REALM DOES NOT EXIST
ORA-01034 ORACLE NOT AVAILABLE
From the command line when I try to connect as sysdba and startup the following message appears: "oracle instance terminated.Disconnection forced"
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Sep 7, 2010
When user insert rows in table oracle interrupts and raise error- ORA-04031: unable to allocate 256 bytes of shared memory? how to do?
I tried to increase the size of shared_pool also but cant.
large_pool_size = 0
shared_pool_size=134217728(128M)
sga_max_size=218103808(208M)
And when I fire 'select* from v$sga;'
Fixed Size 2142976
Variable Size 159386880
Database Buffers 50331648
Redo Buffers 5296128
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Jan 1, 2013
I have a package when it runs, it terminates with "unable to allocate 4120 bytes of shared memory"error at a particular INSERT statement. So everytime we had this error, we had to flush the shared pool area, after which it would run without issues(for 3-4 weeks).
It had a dynamic subpartition clause framed, which made it to repharse the query every time.So to reduce this, we removed the subpartition clause(made it to static query), which did benefit of not getting shared pool error.
I would like to find the current shared pool memory usage of my program.Is there a way I could find the live consumption of shared pool area of my program(pkg).
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Sep 24, 2013
i am continuously inserting data to oracle database after some time like 2 hours oracle disconnects,it creates erros like
ERROR:
ORA-01034: ORACLE not available
ORA-27101: shared memory realm does not exist
Process ID: 0
Session ID: 0 Serial number: 0
after restarting the database with shutdown immediate ans startup if i start inserting records it will show erros like
ORA-01653: unable to extend table SYSTEM.GLT_PROT_TRAFFIC_SUM_VOIP by 8192 in tablespace GLCOMM
but i have created the Tablespace with BigFile Auto Extend and max size unlimited, i am having 400GB disk space created Redo logs with 15gb,i have tried serveral times reinstalling the oracle but problem is not solved.
same problem is happenging with small datafiles also,
operating system: windows server 2008 R2 standard
oracle server : 11g
oracle client : 64 bit
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Sep 17, 2013
Why for dedicated server mode session memory is alloted from PGA and same in shared server mode by SGA ??
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Feb 6, 2012
I've below questions about my raised topic.
1. How would I know whether I'm running Shared Server or Dedicated Server?
2. How to configure Shared Server?
3. How to configure Dedicated Server?
4. How Can I use both these connection types with one database?
I mean one session with dedicated and one with shared at the same time.
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Jul 12, 2012
I need to copy .CSV File from a Windows Server shared path (\hostnameoutput) to another server which i believe is on unix.The other server name is abc.hcl.com. On this server i need to put it in the root directory. I will have to use SFTP and not FTP.
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Jun 22, 2012
How do i test if a OracleConnection came from the pool or was created for the first time?
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May 9, 2012
i want to know the limit of " max pool size" attribute in connection string. and at what basis it should be set. and i am using oracle 11.0.2.0.1.
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Jan 15, 2011
I have some confusion about Keep Pool in Buffer Cache.
1. What is the reasoning for placing a table in the KEEP buffer pool because if it is frequently accessed, it will be around when needed (ie if it is constantly being accessed it will not age out) .
2. Would the table be still in the Default Pool if the Keep Pool is not sized and the command is being issued alter TABLE SCOTT.EMP storage (buffer_pool keep) ?
3. If the database is restarted will the table be wiped out of the Keep Pool and again be pinned to the Keep Pool ?
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Aug 23, 2012
We have a Data Source with min_pool_size (10) and max_pool_size (20). A Data Source is by default a connection pool. By starting a transaction we are retrieving a connection from the pool (i.e., opening it to retrieve data, perform queries, inserts and updates). Our application server is JBoss. An application workflow uses many transactions to build a product. The same connection is not used by the application for the entire workflow; but, it uses and returns them to the connection pool. We do not use Java syntax like "rs.close():"... this is performed by iBATIS.
On the Linux side when we execute a "ps" command (ps -elf|grep -i ora) we see all the Oracle processes. A further refinement of that command (ps -elf|grep -i local=no)shows a list of the "waiting" connections in the connection pool. The DB may be queried with the following syntax:
SELECT schemaname, sid, serial# FROM gv$session where schemaname = 'APP_USER' order by SID;
A list of connected sid and serial numbers is returned, identifying which connections are in use. From here we are able to force the connection to trace by executing the following:
exec dbms_monitor.session_trace_enable(249, 6595, TRUE, FALSE); ! 249 and 6595 being SID and Serial# from query above
There should be no need to execute the inverse, since the connection is returned to the pool when the transaction is committed or rolled back.
exec dbms_monitor.session_trace_disable(249, 6595);
We are trying to trace in order to use the Quest Benchmark Factory. Their instructions request the following syntax be applied to each session:
alter session set events '10046 trace name context forever, level 4';
and again, the inverse should not be necessary.
alter session set events '10046 trace name context off'
When it became too cumbersome to alter each session as it appeared, we issued an "alter system" to monitor (trace) everything. The trace files filled the disk, and four hours of testing was stopped two hours in. Doing a system level trace is probably not a good idea.
My first inclination was to create a post-logon trigger to set trace in the session; however, these connections, coming from an JBoss connection pool, do not logon each time, and I presume that they are not all the "same session".
We opened a support ticket with Quest last Friday and do not have an answer yet. This was the third ticket with them, the first to get Benchmark Factory installed (the original installer did not work). The second ticket was to setting up a shared directory on Linux with a folder on Windows, a setup configuration required by their tool. The third ticket to address this issue.
They needed to contact "the developers" to answer the last two questions. Their latest suggestion is to fix ticket two so we "won't need to trace" anything. How do I set trace in these connections?
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Jan 21, 2012
I am fairly new to Oracle SQL developer and I am having an issue that may very simple but I just cannot work it out logically for some reason.I am trying to calculate the percentage of sales each employee has made form the total of trades. I have been trying to use the COUNT function but it obviously splits the counts for each employee. I then tried a inline view but couldn't get it to work and also a sub-query and had an issue with "not a single group function" and then "not a GROUP BY expression".
how I can do this? I will also need to add the syntax to another inline view
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Jun 21, 2010
I have a one more query
col1 col2
3-18083017013-Standard
3-18083225012-Significant
3-18082775913-Standard
3-18082426912-Significant
3-18082097112-Significant
3-18081539512-Significant
3-18081946712-Significant
3-18080523612-Significant
3-18076873112-Significant
3-18076872712-Significant
3-18080522412-Significant
3-18080064612-Significant
3-18070899912-Significant
3-18081155713-Standard
3-18071160013-Standard
3-18077564213-Standard
3-18079220312-Significant
3-18073201313-Standard
note:
3-Standard 240 min
2-Significant 120 min
1) i need to calculate the percentage value.
general form is :
total number of col1_values(count) in 120 min/count(col1) *100
conditions to calculate percentage:
1)need to ca
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Mar 13, 2013
I want to calculate the running percentage. sample data is as below.
CREATE TABLE prod
(
code VARCHAR2(8),
name VARCHAR2(30),
stdate DATE,
itons NUMBER(7,3),
rtons NUMBER(7,3)
[code]....
Required Output is
CODE NAME STDATE ITONS RTONS %age
-------- ------------------------------ --------- ---------- ---------- -------
0-01-001 SEEDS 17-JUL-12 193.155 0
1-01-001 OIL 17-JUL-12 0 81.906 42.404
1-02-001 MEAL 17-JUL-12 0 104.304 54.000
1-03-001 DURT OIL 17-JUL-12 0 1.242 0.643
2-01-001 WASTE 17-JUL-12 0 5.703 2.953
[code]....
Percentage will be calculated as rtons of code not having first digit 0 devided by itons having having code 0 result multiply 100 for the same date code wise e.g. For dated 17-jul-13 meal percentage will be calculated as round((104.304/193.155)*100,3)=54.000
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