There's also a secondary namenode, which isn't a redundant daemon for the namenode but instead provides period checkpointing and housekeeping tasks.

An HDFS cluster consists of a single NameNode, a master server that manages the file system namespace and regulates access to files by clients.

一个HDFS集群是有一个Namenode和一定数目的Datanode组成。Namenode是一个中心服务器，负责管理文件系统的namespace和客户端对文件的访问。

The namenode is the master server in Hadoop and manages the file system namespace and access to the files stored in the cluster.

namenode是Hadoop中的主服务器，它管理文件系统名称空间和对集群中存储的文件的访问。

But, due to the characteristics of distributed storage, there are" NameNode "and" DataNode," which take each of their responsibility.

但是，由于分布式存储的性质，有“NameNode”和“DataNode”的概念，它们承担各自的责任。

Beijing police detained the younger Chan at his Beijing apartment in August along with Taiwanese movie star Ko Kai.

北京的警方在8月从北京的公寓连同台湾影星柯震东一起带走了房祖名并进行拘留。

The first sequence is all about madness and mischief as a single mother ( Zhuo Yun) drives her devoted son ( Jaycee Chan) to distraction with her daredevil antics in pursuit of tranquility.

第一个故事讲的是关于疯狂和破坏，一个单身母亲（周韵），因其追求安全宁静的古怪行为，总是搅乱她儿子（房祖名的正常生活。

Jaycee has had several run-ins with his father over the years and in 2011, Jackie Chan said he would not be leaving his fortune to his son upon his death, but donating it to charity in order to force his son to earn his own money.

房祖名近年来与父多有争执，2011年成龙表示，他死后不会将财产留给儿子，他会把财产都捐给慈善机构，这样他的儿子就不得不自食其力了。

Jaycee is a fan of Michael Jackson.

房祖名是迈克尔杰克逊的粉丝。

Jackie has been married to Lin Feng-Jiao since 1982 and has a son, actor-singer Jaycee Chan.

成龙于1982年与林凤娇结婚并育有一子一一演员、歌手房祖名。

Unlike his father, the younger Mr. Chan, who grew up in Los Angeles, has met with little of his father's success in the film industry.

在洛杉矶长大的房祖名在电影业远不如其父亲那样成功。

Also on Monday evening, Jackie Chan's management company released a statement to the news media acknowledging the detention of the younger Mr. Chan, 31, and apologizing to society on his behalf, according to Chinese media reports.

另据中国媒体报道，成龙的经纪人也在周一晚对新闻媒体发了一份声明，承认31岁的房祖名被拘留，并代表成龙向社会道歉。

Hong Kong action film star Jackie Chan said he feels shame for his son, who has been indicted by Beijing prosecutors on a drug charge and could be jailed for up to three years.

香港动作影星成龙说，房祖名被北京的检举人起诉涉毒并可能入狱3年，他为自己的儿子感到羞耻。

Fang Tsuming impels the young people to know the Chinese culture.

房祖名推动年轻人认识中国文化。

Jaycee's idol is Michael Jackson.

迈克尔杰克逊是房祖名的偶像。

Mr. Chan and his father have reportedly had a strained relationship.

据报道，房祖名与父亲关系紧张。

The results show that the number of pores per square millimeter and length of vessel elements are inversely proportional to the porous diameter;

结果表明：单位面积管孔数及导管分子长度与管孔直径成反比；

At just one square millimeter in size, the tiny device is a pressure monitor that is implanted in a person's eye.

该系统面积只有1平方毫米，用于监测压力，可以植入青光眼患者的眼部。

Clinical Research of Square Pulse Millimeter Wave in Channel Points on 60 Cases of Chronic Atrophic Gastritis

脉冲毫米波经穴治疗慢性萎缩性胃炎60例临床研究

Number of positive neurons of unit area refers to the positive neuron counts in each square millimeter.

单位面积阳性神经元数即每平方毫米面积中所含阳性神经元数量。

There might be a couple hundred of these color sacks per square millimeter of the octopus' skin, and depending on the species, they can come in as many as five different colors.

在章鱼皮肤表面，每一平方厘米中大概有两百个这样的色袋，它们可以组合成五种不同的颜色。

Different requirements of users ( requirements of the roughness after texturing or number of textured points per square millimeter) can be met by adjusting the texturing parameters.

可以根据用户要求（对毛化后轧辊表面粗糙度或者每平方毫米毛化点的个数）的不同，通过调节不同的毛化参数满足用户需求。