APP20 Purpose:
The APP20 process reads messages received from MDP processes and loads the data into the databases via loaders.
APP20 Recovery
Considerations:
Stopping/Restart
Processes:
-
Use NTM Control Utility - Service Control -
Process Controller to stop/restart processes.
- Use APP20 nodes only when moving between nodes. (No real dependencies outside of expected processor.)
APP20 NTM Control
Commands:
See Application Recovery - DBL
XML.docx monitoring section for more details.
There are no APP20 specific NTM Control Commands outside of Database Loader commands.
APP20 Troubleshooting Table:
|
APP20 Symptom |
Impacts |
Response |
|
Node Crashes Evidenced by: - In EMT, applications report lost communications to APP20 service. - In Solarwinds (and outlook), node and processes will be reported down. |
-APP01 will not have all activities necessary to define proper sequence numbering if the APP01 needs to be restarted. Refer to: Server
Recovery - Bookfeed Retransmission.docx Server Specific Recoveries. |
1) Refer to: Server Recovery
- Bookfeed Retransmission.docx Server Specific Recoveries. 2) Restart affected APP20 processes on alternate nodes. 3) Notify Management and PTT. |
APP20 Monitoring
Considerations:
See Application Recovery - DBL
XML.docx monitoring section for more details.
There are no APP20 specific monitors outside of EMT and the related Database Loader monitors.