@After
    public void afterClientClass() {
        System.setProperty("reporter_type", "DISK");

        if (memoryReporter != null) {
            memoryReporter.clearAll();
        }
    }
@author <a href=mailto:leizhiyuan@gmail.com>leizhiyuan</a>
tracer/tracer-opentracing/src/test/java/com/alipay/sofa/rpc/tracer/sofatracer/log/stat/RpcClientStatTest.java