04031 Error
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Ora-04031: Unable To Allocate 4160 Bytes Of Shared Memory
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Ora-04031 Oracle 12c
a question and answer site for database professionals who wish to improve their database skills and learn from others in the community. Join them; it only takes a minute: Sign up Here's how it http://www.dba-oracle.com/sf_ora_04031_unable_to_allocate_string_bytes_of_shared_memory.htm works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top ORA-04031: unable to allocate 32 bytes of shared memory up vote 1 down vote favorite I want to flush shared pool because of error like ORA-04031: unable to allocate 32 bytes of shared memory So I want to flush shared pool using alter system flush shared_pool; Connected as http://dba.stackexchange.com/questions/94862/ora-04031-unable-to-allocate-32-bytes-of-shared-memory sysdba using hwflow08:flman800 > sqlplus "conn as sysdba" SQL*Plus: Release 10.2.0.3.0 - Production on Wed Jan 28 05:39:56 2015 Copyright (c) 1982, 2006, Oracle. All Rights Reserved. Enter password: Connected. While executing alter system command we faced ORA-01012 SQL> alter system flush buffer_cache; alter system flush buffer_cache * ERROR at line 1: ORA-01012: not logged on Can anyone please guide how can I flush the Shared Pool ? (I dont want to shutdown the DB nor want to increase size of shared pool) Previously Same issue Came : I left with option to SHUTDOWN DB. So after STARTUP , when i connected through SYSDBA and executed same query alter system flush shared_pool; That time it works perfectlly fine. So question remains as why ORACLE is not allowing flush shared pool when it is out of memory ? What is efficient way to use alter system flush shared_pool; oracle linux share|improve this question edited Mar 10 '15 at 12:21 asked Mar 10 '15 at 12:13 Nagendra Nigade 11817 1st you should check altert log file. Then edit your question and add OS platform. And then you also should check installation guide - memory sizing. –ibre5041 Mar 10 '15 at 1
Fundamentals Oracle Errors Performance Tuning ASM Datafiles & Tablespaces Exadata 5 Easy Step to Solve ORA-04031 with Oracle Support Provided Tool http://www.dbas-oracle.com/2013/05/5-Easy-Step-to-Solve-ORA-04031-with-Oracle-Support-Provided-Tool.html Are you still seeing "ORA-04031: unable to allocate 512 bytes of shared memory". Now Remote DBA need not to worry about this error because Oracle has https://www.techonthenet.com/oracle/errors/ora04031.php introduced a very good tool to Troubleshoot ORA-04031. You just need to upload alert log files and trace file having error details and an online tool will unable to give a solution immediately. Before going into detail, Let's first understand what is ORA-04031 ? when It arise ? and what is difference between ORA-04031 and ORA-04030 ? What is ORA-04031 ? and When it arise ? ORA-04031 is error message related to lack of available SGA memory component. When a process needs some unable to allocate memory from SGA and memory is not available in this situation ORA-04031 occurs. What is difference between ORA-04031 and ORA-04030 ? ORA-04031 is error message related to lack of available SGA memory component While RA-04030 is related to lack of available memory in PGA area. ORA-4031 error message look like this in Database Alert log files: Tue Sep 27 22:20:33 2011 Errors in file /u01/app/oracle/diag/rdbms/dbh/Dbh3/trace/Dbh3_j004_16488.trc (incident=72497): ORA-04031: unable to allocate 32 bytes of shared memory ("shared pool","select t.ts#,t.file#,t.block...","SQLA","tmp") Incident details in: /u01/app/oracle/diag/rdbms/dbh/Dbh3/incident/incdir_72497/DBH3_j004_16488_i72497.trc Tue Sep 27 22:20:43 2011 Dumping diagnostic data in directory=[cdmp_20110927222043], requested by (instance=3, osid=16488 (J004)), summary=[incident=72497]. Use ADRCI or Support Workbench to package the incident. See Note 411.1 at My Oracle Support for error and packaging details. ORA-4030 error message look like this in Database Alert log files: Wed Mar 27 13:35:52 2013 Errors in file /u01/app/orappdw1/diag/rdbms/dbh/DBH4/trace/DBH4_pz99_15585_DBMS_SQLDIAG_10053_20130327_132724.trc (incident=146193): ORA-04030: out of process memory when trying to allocate 8224 bytes (qesca subheap,qerjo hash table) Incident details in: /u01/app/orapp
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