large_query_worker_percentage

2026-02-03 08:48:37  Updated

Note

This parameter is available starting with V1.4.

Description

large_query_worker_percentage specifies the percentage of worker threads reserved for large queries.

Privilege requirements

  • Query the parameter

    The sys tenant and all user tenants can query this parameter by using the SHOW PARAMETERS statement or the GV$OB_PARAMETERS view.

  • Modify the parameter

    Only the sys tenant can modify this parameter. User tenants cannot modify this parameter.

Attributes

Attribute Description
Type Double
Default value 30
Value range [0, 100]
Modifiable Yes. You can use the ALTER SYSTEM SET statement to modify the parameter.
Effective upon OBServer node restart No. The setting takes effect immediately.

Examples

Set the percentage of worker threads reserved for large queries to 30.

obclient> ALTER SYSTEM SET large_query_worker_percentage =30;

References

Worker threads

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