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Work on MODCLUSTER-449 started by Radoslav Husar.
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Implement ramp-up when starting new nodes
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Key: MODCLUSTER-449
URL:
https://issues.jboss.org/browse/MODCLUSTER-449
Project: mod_cluster
Issue Type: Feature Request
Components: Core & Container Integration (Java)
Affects Versions: 1.2.0.Final, 1.3.0.Final
Reporter: Radoslav Husar
Assignee: Radoslav Husar
Priority: Critical
Fix For: 2.0.0.Alpha1
Attachments: httpdRamp-up.jpg, undertowRamp-up.jpg
IIUC this has been a problem since inception. The problem is that the initial load stays
in effect for performing load-balancing decisions until a new stat interval kicks in.
This effect is mitigated by load decay over time, but for the time a new node joins in,
it can get overloaded upon startup.