private void incrementCurrentRequestsInFlight(ChannelHandlerContext ctx) {
            groupMetrics.getForCurrentEventLoop().incrementCurrentRequests();
            ctx.channel().attr(ATTR_REQ_INFLIGHT).set(INFLIGHT);
        }
User: michaels@netflix.com
Date: 2/6/17
Time: 2:21 PM
zuul-core/src/main/java/com/netflix/netty/common/metrics/PerEventLoopMetricsChannelHandler.java