public void setDiskWritesPerSecTrend(CircularFifoBuffer diskWritesPerSecTrend) {
      this.diskWritesPerSecTrend = diskWritesPerSecTrend;
    }
@param diskWritesPerSecTrend the diskWritesPerSecTrend to set
geode-pulse/src/main/java/org/apache/geode/tools/pulse/internal/data/Cluster.java