Table Of Contents - Red Hat ENTERPRISE LINUX 5.1 - LINUX ORACLE Tuning Manual
Oracle 9i and 10g tuning guide
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2.1. General ............................................................................................................... 5
2.2. 32 bit Architecture and the hugemem Kernel .......................................................... 5
2.3. The 64 bit Architecture ......................................................................................... 6
4.1. General ............................................................................................................... 9
4.2. The I/O Scheduler ................................................................................................ 9
5.1. Checking the Memory Usage .............................................................................. 11
5.2. Tuning the Page Cache ...................................................................................... 11
6.1. General .............................................................................................................. 13
6.2. Checking Swap Space Size and Usage ............................................................... 14
7.1. Setting SHMMAX Parameter .............................................................................. 15
7.2. Setting SHMMNI Parameter ................................................................................ 16
7.3. Setting SHMALL Parameter ................................................................................ 16
7.4. Removing Shared Memory .................................................................................. 17
8.1. The SEMMSL Parameter .................................................................................... 19
8.2. The SEMMNI Parameter ..................................................................................... 19
8.3. The SEMMNS Parameter ................................................................................... 19
8.4. The SEMOPM Parameter ................................................................................... 20
8.5. Setting Semaphore Parameters ........................................................................... 20
8.6. An Example of Semaphore Settings .................................................................... 20
10.1. Changing Network Adapter Settings .................................................................. 25
10.2. Changing Network Kernel Settings .................................................................... 25
10.3. Flow Control for e1000 Network Interface Cards ................................................. 26
11.1. Limiting Maximum Number of Open File Descriptors for the Oracle User ............... 27
11.2. Limiting Maximum Number of Processes Available for the Oracle User ................. 28
12.1. Relinking Oracle9i R2 to Enable Asynchronous I/O Support ................................. 31
12.2. Relinking Oracle 10g to Enable Asynchronous I/O Support .................................. 32
12.3. Enabling Asynchronous I/O in Oracle 9i and 10g ................................................ 32
12.4. Tuning Asynchronous I/O for Oracle 9i and 10g .................................................. 33
12.5. Verifying Asynchronous I/O Usage ..................................................................... 34
13.1. General ............................................................................................................ 37
13.2. Basics of Raw Devices ..................................................................................... 38
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