Yi Jin created HAWQ-301:
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Summary: Use combined value to measure segment workload to improve
the resource allocation strategy
Key: HAWQ-301
URL: https://issues.apache.org/jira/browse/HAWQ-301
Project: Apache HAWQ
Issue Type: Improvement
Components: Resource Manager
Reporter: Yi Jin
Assignee: Lei Chang
In one segment, the combined workload counts:
1) total number of virtual segments allocated;
2) resource usage rate ( used/allocated );
3) estimated accumulated IO workload;
The new vsegs are allocated in the segments having lower combined workload. If
data loclaity information is provided when one client requests query resource,
the unbalance of number of vsegs among segments are restricted.
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