Black Box Parameters

blackbox_number

Parameter description: Specifies the maximum number of black box files that can be retained in the $GAUSSLOG/gs_blackbox/{nodename} directory.

Parameter type: integer.

Unit: none

Value range: 0 to 10. 0 indicates that the black box function is disabled.

Default value: 5 (196-core CPU/1536 GB memory, 128-core CPU/1024 GB memory, 104-core CPU/1024 GB memory, 96-core CPU/1024 GB memory, 96-core CPU/768 GB memory, 80-core CPU/640 GB memory, 64-core CPU/512 GB memory, 60-core CPU/480 GB memory, 32-core CPU/256 GB memory, 16-core CPU/128 GB memory, 8-core CPU/64 GB memory, 4-core CPU/32 GB memory); 0 (4-core CPU/16 GB memory)

Setting method: This is a POSTMASTER parameter. Set it based on instructions provided in Table 1.

Setting suggestion: Retain the default value.

Risks and impacts of improper settings: If this parameter is set to 0, the function is disabled and black box files are not retained, which may affect performance diagnosis.