ORACLE SCN issue Best Practice (最佳实践)

Recently, we have faced a very serious problem with Oracle SCN. The SCN with a production env ORACLE RDBMS grows very fast, the SCN rate is more than 30k per second . In theory, there should not be such a high transaction volume. The environment is a 2-nodes RAC ON AIX 6.1 platform, and have applied PSU11. .