public void process(final List<Instruction> instructions) {
        LOG.info("Received instructions: {}.", instructions);
        for (final Instruction instruction : instructions) {
            if (!checkInstruction(instruction)) {
                continue;
            }
            processSplit(instruction);
            processTransferLeader(instruction);
        }
    }
Processing the instructions from the placement driver server.

@author jiachun.fjc
jraft-rheakv/rheakv-core/src/main/java/com/alipay/sofa/jraft/rhea/client/pd/InstructionProcessor.java