About
An SAP HANA system consists of multiple services
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Savepoint
In order to persist data to disk, each SAP HANA service (that persist data ie nameserver, indexserver, xsengine) has its own separate savepoints.
List
- the indexserver service,
- the main database service.
- the daemon service
- a database in case of mutli-tenant.
Management
Data Dictionary
- M_SERVICES: Status of all services
SELECT * FROM "SYS_DATABASES"."M_SERVICE_MEMORY"
-- Not the same as
SELECT * FROM "PUBLIC"."M_SERVICE_MEMORY"
Monitoring
- Hana Studio: Administration > Landscape. Columns may be added with the “Configure Viewer” icon.
- Sql can also be used.
See also Service
Stop a service
ALTER SYSTEM STOP SERVICE (host,port)
Kill a service
ALTER SYSTEM KILL SERVICE (host,port) [WITH COREFILE]
Reconfigure a service
ALTER SYSTEM RECONFIGURE SERVICE ('service', 'host', port)
Depending on service, host, port, different services can be reconfigured. See M_SERVICES