PARALLEL Table and Parallel Server (RAC)

I have the following in parameter for CPU in my oracle 10g server without RAC
SQL> show parameter cpu
NAME TYPE VALUE
cpu_count integer 24
parallel_threads_per_cpu integer 4
SQL>
Do I need to enable any other Oracle parameters for using parallel options in create table scripts?. This is to increase the DML performance in tables where more than 100+ processes is INSERTING /SELECTING Data.
I have parallel server parameters as shown below ?
parallel_automatic_tuning boolean FALSE
parallel_execution_message_size integer 2152
parallel_max_servers integer 480
parallel_min_percent integer 0
parallel_min_servers integer 0
parallel_server boolean FALSE
parallel_threads_per_cpu integer 2
Thanks in advance

prajithparan wrote:
I have the following in parameter for CPU in my oracle 10g server without RAC
SQL> show parameter cpu
NAME TYPE VALUE
cpu_count integer 24
parallel_threads_per_cpu integer 4
SQL> Using these settings you're going to get a default parallel degree of 4 * 24, which is 96. Since some SQL statements can have two streams of parallel execution (e.g. a group by operation) you might end up with up to 192 parallel slaves for a single SQL statement. Given the "parallel_max_servers" setting of 480 this means you can't execute more than 5 statements in best case, 2 statements in worst case simultaneously using parallel execution without a parallel degradation.
That can be fine but it's something you should consider depending on your requirements. You might want to define a non-default explicit lower parallel degree for some of your "smaller" large tables.
Do I need to enable any other Oracle parameters for using parallel options in create table scripts?. This is to increase the DML performance in tables where more than 100+ processes is INSERTING /SELECTING Data.Not sure what you want to say with this? Do you have more than 100 separate processes that are inserting/selecting data simultaneously? This has nothing to do with the "parallel" execution option which is about parallelizing the execution of a single SQL statement.
I have parallel server parameters as shown below ?
parallel_automatic_tuning boolean FALSE
parallel_execution_message_size integer 2152
parallel_max_servers integer 480
parallel_min_percent integer 0
parallel_min_servers integer 0
parallel_server boolean FALSE
parallel_threads_per_cpu integer 2 What do you mean by this? "Parallel Server" basically means "RAC", but you say you don't use RAC currently. The "parallel_threads_per_cpu" setting of "2" contradicts your above output of "4" shown, so I'm not sure what you intend to say with this.
Regards,
Randolf
Oracle related stuff blog:
http://oracle-randolf.blogspot.com/
SQLTools++ for Oracle (Open source Oracle GUI for Windows):
http://www.sqltools-plusplus.org:7676/
http://sourceforge.net/projects/sqlt-pp/

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What Disadvantages and advantages enable Paralleloption in Table ?
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Message was edited by:
muttleychess

PARALLEL Table and Parallel Server (RAC)

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