docs - clarify resgroup status cpu max value
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<p id="json_field_info1">The <codeph>cpu_usage</codeph> field is a JSON-formatted, key:value
string that identifies, for each resource group, the per-segment instance CPU core usage.
- The key is the segment id, the value is the sum of the percentages (as a decimal value) of
- the CPU cores used by the segment instance's resource group on the segment host. For
- example, if a segment host has 8 cores, the maximum value can be 8.00 (1.00 for 8 CPU
- cores). The total CPU usage of all segment instances running on a host should not exceed
+ The key is the segment id. The value is the sum of the percentages (as a decimal value) of
+ the CPU cores used by the segment instance's resource group on the segment host;
+ the maximum value is 1.00.
+ The total CPU usage of all segment instances running on a host should not exceed
the <codeph>gp_resource_group_cpu_limit</codeph>. Example <codeph>cpu_usage</codeph>
column output:<codeblock>
{"-1":0.01, "0":0.31, "1":0.31}</codeblock>In the example,
