performance tuning in oracle 11g with examples

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Oracle Database 11g performance optimization strategy-optimizing Table Performance

Oracle Database 11g performance optimization strategy-optimizing Table PerformanceIntroduction 1-1 Create a database with optimal performance problem description www.2cto.com you realize that when you first create a database, there are some attributes (if enabled) it will have a long-term impact on the

Evaluation of storage device IO performance via database-oracle 11g IO calibration Function Introduction

iorequests],[physical Read Total bytes],[physical write total io requests],[physicalwrite total IO requests] value per second because we io calibration is also counted in units per second. we can calculate the physical read and write total requests per second for 70.74+80.62 ≈ 151 times, the size of the physical read and write per second is 1.32+1.09 ≈ 2.41mbs=19.28mbps, with this reference, we store the maximum calibration IOPS should not be less than 151 , the throughput per second ca

"ORACLE" DG Performance conversion (11g)

Database_role Switchover_status--------- -------------------- ---------------- --------------------ENMO1 MAXIMUM Availability Physical STANDBY to STANDBY Standby Confirm mode: [Email protected] hey~1->select name,protection_mode,database_role,switchover_status from V$database; NAME Protection_mode Database_role Switchover_status--------- -------------------- ---------------- --------------------ENMO1 MAXIMUM Availability Physical STANDBY not allowed Second, maximum available switch to maximum p

How to configure the STATSPACK performance report of ORACLE 11g adg, adgstatspack

How to configure the STATSPACK performance report of ORACLE 11g adg, adgstatspack Create a normal STATSPACK report user on the master database Sqlplus/as sysdbaSQL> @? /Rdbms/admin/spcreate. SQL SQL> -- cancel some settings of $ ORACLE_HOME/sqlplus/glogin. SQL. SQL> -- in some cases, the password, tablespace, and temporary files are required. Perfstat 235619

How to configure the STATSPACK performance report of Oracle 11g ADG

How to configure the STATSPACK performance report of Oracle 11g ADG Create a normal STATSPACK report user on the master database Sqlplus/as sysdba SQL> @? /Rdbms/admin/spcreate. SQLSQL> -- cancel some settings of $ Oracle_HOME/sqlplus/glogin. SQL.SQL> -- in some cases, the password, tablespace, and temporary files are required. Perfstat 235619 -- Create an SB use

Oracle 11g awr performance report

Tags: style blog http color using OS IO strongOne, automatic workload library (Automatic Workload Repository,awr)The Automated Workload library (Automatic Workload repository,awr) is a tool provided by Oracle Corporation. AWR can automatically collect, process, and save performance statistics, which are stored in memory and then saved in a database that can be displayed in a report or queried through a view

Oracle 11g IFS VS iffs Performance Comparison

--------------------------------------------------------------------------------------------------------------- ---------Plan Hash value:1131838604---------------------------------------------------------------------------------------| Id | Operation | Name | Rows | Bytes | Cost (%CPU) | Time |---------------------------------------------------------------------------------------| 0 | SELECT STATEMENT | | 1 | 5 | 3335 (1) | 00:00:41 || 1 | SORT AGGREGATE | | 1 | 5 | | || 2 | INDEX FAST full SCAN

Statspack performance report Configuration method for ORACLE 11G ADG

Create a normal statspack report user on the main librarySqlplus/as SYSDBASql>@?/rdbms/admin/spcreate.sqlSql>--Notice to cancel $oracle_home/sqlplus/glogin.sql some settingsSql>--some normal words will appear asking for password and tablespace and temporary filesPerfstat 235619--Create SB UserSql>@?/rdbms/admin/sbcreate.sqlEnter the password tablespace temporary table space.Then ask if you want to configure network (y/n) input yConfigure the Tnsname of the standby library;Build Dblink use Perfst

Examples of common tools, methods for diagnosing Oracle performance problems

Tags: problem BSP phi Common Oracle Pen comparison nbsp + +Examples of common tools, methods for diagnosing Oracle performance problemsAnswer: 1) A simple point can be used toad and dbartisan such tools. 2) Pure performance monitoring, more excellent spolight and EMC I3, bot

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