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AdministeringIn addition to administering the database server, you can tune performance, replicate data, and archive data.
System administrationThese topics contain concepts, procedures, and reference information for database and database server administrators to use for managing and tuning HCL OneDB™ database servers.
Administrator's ReferenceThe HCL OneDB™ Administrator's Reference includes comprehensive descriptions of HCL OneDB™ configuration parameters, the system-monitoring interface (SMI) tables in the sysmaster database, the syntax of database server utilities such as onmode and onstat, logical-log records, disk structures, event alarms, and unnumbered error messages.
Configuring and monitoring HCL OneDB™
Database configuration parametersThe HCL OneDB™ database server uses a configuration file, which is called the onconfig file, during initialization. This file contains default configuration parameter values. You can modify the parameter values to improve performance and other characteristics of the instance or database.
TENANT_LIMIT_MEMORY configuration parameterThe TENANT_LIMIT_MEMORY configuration parameter specifies the maximum amount of shared memory for all sessions that are connected to the tenant database.

TENANT_LIMIT_MEMORY configuration parameter

The TENANT_LIMIT_MEMORY configuration parameter specifies the maximum amount of shared memory for all sessions that are connected to the tenant database.

onconfig.std value: 0 (off)
if not present: 0 (off)
values: 102400 - 2147483648
units: KB
takes effect: After you edit your onconfig file and restart the database server.

Usage

When the limit is exceeded, the session that is using the most shared memory is terminated. The value ranges from 100 MB to 2 TB, but must be specified as an integer that represents the number of KB.

The tenant_limit_memory tenant database property set through the tenant create or tenant update SQL administration API command takes precedent over the TENANT_LIMIT_MEMORY configuration parameter setting.

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