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pgAudit Analyze
Open Source PostgreSQL pgAudit Analyzer

Introduction

The PostgreSQL Audit extension (pgAudit) provides detailed session and/or object audit logging via the standard PostgreSQL logging facility. However, logs are not the ideal place to store audit information. The PostgreSQL Audit Log Analyzer (pgAudit Analyze) reads audit entries from the PostgreSQL logs and loads them into a database schema to aid in analysis and auditing.

Installation

Install pgAudit following the instructions included with the extension.
Update the log settings in postgresql.conf as follows:
```
log_destination = 'csvlog'
logging_collector = on
log_connections = on
```
The log files must end with .csv and follow a naming convention that ensures files will sort alphabetically with respect to creation time. Log location is customizable when calling pgAudit Analyze.
Install pgAudit Analyze:

Copy the bin and lib directories to any location you prefer but make sure they are in the same directory.

Execute audit.sql in the database you want to audit as postgres:
```
psql -U postgres -f sql/audit.sql <db name>
```

Running

pgAudit Analyze is intended to be run as a daemon process.

./pgaudit_analyze --daemon /path/to/log/files

Testing

Regression tests are located in the test directory. See test/README.md for more information.

Caveats

The pgaudit.logon table contains the logon information for users of the database. If a user is renamed they must also be renamed in this table or the logon history will be lost.
Reads and writes to the pgAudit schema by the user running pgAudit Analyze are never logged.

Author

The PostgreSQL Audit Log Analyzer was written by David Steele.

pgAudit Analyze Open Source PostgreSQL pgAudit Analyzer