@Override
    public boolean init(final Void opts) {
        this.rpcServer.option(BoltClientOption.NETTY_FLUSH_CONSOLIDATION, true);
        this.rpcServer.initWriteBufferWaterMark(BoltRaftRpcFactory.CHANNEL_WRITE_BUF_LOW_WATER_MARK,
            BoltRaftRpcFactory.CHANNEL_WRITE_BUF_HIGH_WATER_MARK);
        this.rpcServer.startup();
        return this.rpcServer.isStarted();
    }
Bolt RPC server impl.

@author jiachun.fjc
jraft-core/src/main/java/com/alipay/sofa/jraft/rpc/impl/BoltRpcServer.java