Coyote Point Systems Equalizer Especificaciones Pagina 88

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Chapter 6: Administering Virtual Clusters
76 Equalizer Installation and Administration Guide
Weight Spread Coefficient regulates the speed of change to a servers dynamic weight. The
weight spread coefficient causes dynamic weight changes to happen more slowly as the
difference between the dynamic weight and the static weight increases.
Optimization Threshold controls how frequently Equalizer adjusts dynamic weights. If
Equalizer adjusts server weights too aggressively, oscillations in server weights can occur and
cluster-wide performance can suffer. On the other hand, if Equalizer does not adjust weights
often enough, server overloads might not be compensated for quickly enough and cluster-
wide performance can suffer.
Modifying Equalizer’s Load Balancing Options
To change a clusters load-balancing options (see Figure 39), follow these steps:
1. Log into the Equalizer Administration Interface in Edit mode.
2. In the left frame, click the name of the cluster whose parameters to be changed. Equalizer
displays the clusters parameters in the right frame.
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