public TOnlineLogRecord setFsReadTime(long fsReadTime) {
    this.fsReadTime = fsReadTime;
    setFsReadTimeIsSet(true);
    return this;
  }
Returns true if field blockBytesScanned is set (has been assigned a value) and false otherwise
hbase-thrift/src/main/java/org/apache/hadoop/hbase/thrift2/generated/TOnlineLogRecord.java