How to setup statspack

Please check spctab. Please check spcusr. To ensure that everything is installed correctly, we can demand two snapshots and then request an elapsed-time report. If we do this twice, we will have two snapshots, and we can run the statsrep. Here is the test to ensure that the install works properly. If you get a meaningful report after entering statsrep , then the install was successful.

Also, note that the statsrep. By using the statsauto. The statsauto. You can change this as follows for different sample times. There are 1, minutes in a day, and you can use this figure to adjust the execution times. Hence, if we want a snapshot every ten minutes we would issue the following command:. For example, if you have noticed that a performance problem happens every day between p.

For normal use, you probably want to accept the hourly default and execute a snapshot every hour. Step Other statspack scripts. Caution : Your use of any information or materials on this website is entirely at your own risk. It is provided for educational purposes only.

It has been tested internally, however, we do not guarantee that it will work for you. Ensure that you run it in your test environment before using. Using Statspack we can collect statistics which are put in specific tables. When we need, we can run reports based on these tables snapshots to tune the database. No need to create manually tested in 10gR2.

All Rights Reserved. Choose the Temporary tablespace for the PERFSTAT user Below is the list of online tablespaces in this database which can store temporary data e. Installing required packages Creating views If timings are available, the Statspack report orders wait events by time.

These are listed in the Top-5 and background and foreground wait events sections. The Top-5 section also looks unusual in this situation. PAR is supplied for this purpose. To use this file, supply the export command with the userid parameter, along with the export parameter file name. If you want to load the data into another database, use the import command.

Oracle9i Database Utilities for more information on using export and import. This deletes snapshots that fall between the begin and end snapshot IDs you specify. You should export the schema as a backup before running this script, either using your own export parameters or those provided in SPUEXP.

Purging can require the use of a large rollback segment, because all data relating to each snapshot ID to be purged is deleted. You can avoid rollback segment extension errors in one of two ways:. Oracle9i SQL Reference. SQL , it displays the instance to which you are connected and the available snapshots. It then prompts you for the low snap ID and high snap ID. All snapshots that fall within this range are purged. SQL deletes all snapshots ranging between the lower and upper bound snapshot IDs specified for the database instance connected to.

You might want to export this data before continuing. This script truncates all statistics data gathered. Oracle Corporation recommends that you export the schema as a backup before running this script, either using your own export parameters or those provided in SPUEXP. SQL removes all data from Statspack tables.

You might want to export the data before continuing. This happens only under the following set of conditions:. LIS to ensure that the package was completely deinstalled.

Do not use this script unless you wan to remove all data in the schema you are using. You can choose to export the data as a backup before using this script. See Also: Oracle provides a diagnostics pack which contains GUI tools for collecting and analyzing statistics.

See Also: Oracle9i Database Concepts for more information on temporary tablespaces. Note : A password is mandatory and should be kept confidential. SQL script, then rerun the installation. Note: In an Oracle Real Application Clusters environment, you must connect to the instance for which you want to collect data.

Note: It is not correct to specify begin and end snapshots where the begin snapshot and end snapshot were taken from different instance startups.

Note: In an Oracle Real Application Clusters environment, you must connect to the instance on which you want to report. See Also: "Snapshot Levels" for information about levels. See Also: "Snapshot Levels". Note: Existing columns in other views continue to use centisecond times. See Also: Oracle9i Database Utilities for more information on using export and import. Note: You should export the schema as a backup before running this script, either using your own export parameters or those provided in SPUEXP.

Note: Oracle Corporation recommends that you export the schema as a backup before running this script, either using your own export parameters or those provided in SPUEXP. Caution: Do not use this script unless you wan to remove all data in the schema you are using.

All Rights Reserved. Book List. Master Index. Note: Statspack is not supported with releases earlier than 8. SQL threshold: number of times statement was executed. SQL threshold: number of disk reads the statement made. SQL threshold: number of parse calls the statement made. SQL threshold: number of buffer gets the statement made. SQL threshold: amount of sharable memory. Segment statistic threshold: number of physical reads on a segment. Segment statistic threshold: number of logical reads on a segment.

Segment statistic threshold: number of buffer busy waits for a segment. Segment statistic threshold: number of row lock waits for a segment. Segment statistic threshold: number of ITL waits for a segment.