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1.4. Changing the Data Warehouse Sampling Scale
Data Warehouse is required in Red Hat Virtualization. It can be installed and configured on the same machine as the Manager, or on a separate machine with access to the Manager. The default data retention settings may not be required for all setups, so
The sampling scale is configured by
engine-setup offers two data sampling scales: Basic and Full.
Fulluses the default values for the data retention settings listed in Section 2.4, “Application Settings for the Data Warehouse service in ovirt-engine-dwhd.conf” (recommended when Data Warehouse is installed on a remote host).Basicreduces the values ofDWH_TABLES_KEEP_HOURLYto720andDWH_TABLES_KEEP_DAILYto0, easing the load on the Manager machine (recommended when the Manager and Data Warehouse are installed on the same machine).
engine-setup during installation:
You can change the sampling scale later by running
engine-setup again with the --reconfigure-dwh-scale option.
Example 1.1. Changing the Data Warehouse Sampling Scale
You can also adjust individual data retention settings if necessary, as documented in Section 2.4, “Application Settings for the Data Warehouse service in ovirt-engine-dwhd.conf”.
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