func (sp *spaxos) doTryCatchUp(msg pb.Message) {
assert(sp.id == msg.To)
const catchUpStep = 10
assert(sp.minIndex <= sp.maxIndex)
for i := 0; i < catchUpStep; i++ {
catchIndex := sp.minIndex + uint64(i+1)
if catchIndex > sp.maxIndex {
break
}
if _, ok := sp.insgroup[catchIndex]; ok {
continue
}
// catchIndex don't have spaxos instance yet
catchIns := sp.getSpaxosInstance(catchIndex)
assert(nil != catchIns)
// => create a new spaxos instance for catchIndex
msg.Index = catchIndex
catchIns.step(sp, msg)
}
}
