2771627 - How to verify HANA network Client I/O historical data

• SAP KBA 2081065 - Troubleshooting SAP HANA Network provides analysis instructions for network performance verification like Round Trip Time (RTT) between Server and Client.
  
  
• To analyze the Round Trip Time (RTT), the script SQL: "HANA_Network_Clients" from SAP Note 1969700 - SQL Statement Collection for SAP HANA can be used.
  However, this information is only available during the time the SQL client network I/O trace has been enabled.
  
  
• Accordingly to SAP KBA 2222200 - FAQ: SAP HANA Network,
  "SQL client network I/O information, only available if SQL client network I/O trace is activated"
  
  
• This How-to provides a solution how to keep this data persistent and how to modify the SQL: "HANA_Network_Clients" script for later analyzing purposes.

• HANA 1.0
• HANA 2.0 

KBA , HAN-DB , SAP HANA Database , HAN-DB-CLI , SAP HANA Clients (JDBC, ODBC) , Problem