Examples of org.jgroups.protocols.MERGE3$MergeHeader

org.jgroups.protocols.MERGE3

s.jboss.org/browse/JGRP-1387): every member periodically broadcasts its address (UUID), logical name, physical address and ViewID information. Other members collect this information and see if the ViewIds are different (indication of different subpartitions). If they are, the member with the lowest address (first in the sorted list of collected addresses) sends a MERGE event up the stack, which will be handled by GMS. The others do nothing.

The advantage compared to MERGE2 is that there are no merge collisions caused by multiple merges going on. Also, the INFO traffic is spread out over max_interval, and every member sends its physical address with INFO, so we don't need to fetch the physical address first. @author Bela Ban, Nov 2011 @since 3.1


    private static void modifyStack(JChannel ch) {
        ProtocolStack stack=ch.getProtocolStack();
        Protocol prot=stack.findProtocol(MERGE3.class);
        if(prot != null) {
            MERGE3 merge=(MERGE3)prot;
            merge.setMinInterval(3000);
            merge.setMaxInterval(5000);
        }
        prot=stack.findProtocol(STABLE.class);
        if(prot != null) {
            STABLE stable=(STABLE)prot;
            stable.setDesiredAverageGossip(5000);

Examples of org.jgroups.protocols.MERGE3$MergeHeader

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