What is the difference between StatsPack and AWR in Oracle?

Answer: STATSPACK was the precursor to AWR, originally a free tool for performing time-series analysis. Starting in Oracle 10g an extra-cost version of STATSPACK called Automated workload Repository (AWR) was created and bundled into the Oracle diagnostic pack, an extra-cost feature.

What is difference between AWR and ADDM?

ADDM uses data captured by AWR. e.g wait events, latches, locking, statistics and ASH data to identify the root causes of the problems. ADDM also provides recommendations and tells expected benefits. Oracle automatically gathers statistics on any objects that have important changes in size or structure.

What is the use of StatsPack in Oracle?

The Statspack package is a set of SQL, PL/SQL, and SQL*Plus scripts that allow the collection, automation, storage, and viewing of performance data. Statspack stores the performance statistics permanently in Oracle tables, which can later be used for reporting and analysis.

Is Oracle StatsPack free?

Oracle StatsPack. StatsPack is the tool that existed before the introduction of ASH and AWR. There two substantive differences between StatsPack and the newer two. StatsPack is free and doesn’t do everything the other two do.

What is AWR ADDM ash?

ADDM : automatic database diagnostic monitor analyzes data in the Automatic Workload Repository (AWR) to identify potential performance bottlenecks. and we use it for the following cases : CPU bottlenecks. Undersized memory structures. I/O capacity issues.

How do you analyze AWR report for performance issues?

Analysis AWR Report

1. DB Time(s): Sessions elapsed time in the database.
2. DB CPU(s): Sessions elapsed time in the CPU.
3. Redo Size: Redo size ( byte ) between two snapshot.
4. Logical Reads: Logical read count in the database.
5. Block Changes: Block changes count between two snapshot.

What is Statpack?

Statspack is a performance tuning tool provided by Oracle with the Oracle9i database distribution. With minimal effort, it can be installed on any Oracle9i database to quickly gather detailed analysis of the performance of that database instance.

What is Perfstat?

Perfstat is a performance and statistics data collection tool that helps in troubleshooting issues relating to storage system performance. This document provides information about the Perfstat 8.4 GUI tool and the procedure that should be followed to collect performance data using the tool.

What is Addm?

The Autism and Developmental Disabilities Monitoring (ADDM) Network is a group of programs funded by CDC to estimate the number of children with autism spectrum disorder (ASD) and other developmental disabilities living in different areas of the United States.

Which is better AWR report or statspack report?

*Basically as a dba we aware about AWR report but it did not exist on oracle 9i we forced to use statspack in the way of generating AWR report much easier than statspack report. *AWR holds all the information and statistics that exist in STATPACK, include to that AWR hold Additional Information.

Which is the best statspack analyzer in the world?

A work-in-progress, the AWR Analyzer tool is already the best AWR and STATSPACK analyzer in the world, and we hope to continue to expand and refine the decision rules as the site sponsors get feedback from actual users and DBA’s.

Is there a spanalyzer for Oracle AWR and statspack?

This report includes detailed descriptions of each AWR or STATSPACK report section and statistic as well as detailed hints and techniques which contain suggestions to optimally tune Oracle instance. spAnalyzer is included to dbTrends package. AWR 10.1.0, 10.2.0, 11.1.0, 11.2.0, 12.1.0, 12.2.0, 19.*

Is there an extra cost version of statspack?

Starting in Oracle 10g an extra-cost version of STATSPACK called Automated workload Repository (AWR) was created and bundled into the Oracle diagnostic pack, an extra-cost feature.