这就是DellLatitudeRuggedTablet 12等专用平板电脑的用武之地。 That's where specialised tablets like the Dell Latitude Rugged Tablet 12 come in. 通过Raft,tablet 的多个副本选举出leader,它负责接受以及复制到follower副本的写入。 Through Raft, multiple replicas of a tablet elect a leader, which is responsible for accepting and replicating writes to followerreplicas. Bigtable循环扫描它所有的Tablet ,并且定期对它们执行MajorCompaction。 Bigtable cycles through all of its tablets and regularly applies major compactions to them. KindleFire和巴诺书店(Barnes&Noble)的NookTablet 将拉低7英寸平板电脑的售价,使之徘徊在225美元左右。 Kindle Fire and Barnes& Noble Nook Tablet will drag down the price of 7-inch Tablet computer, hovers around $225 or so. 主服务器需要探测,什么时候tablet 服务器不再提供tablet 服务,并且要负责尽快对这些tablet 进行重新分配。 The master is responsible for detecting when a tablet server is no longer serving its tablets , and for reassigning those tablets as soon as possible.
我们使用和tablet 服务器相同数目的客户机以确保客户机不会成为瓶颈。 (We used the same number of clients as tablet servers to ensure that clients were never a bottleneck.). 使用纯哈希分区策略要小心的一个问题是,随着越来越多的数据被插入到表中,tablet 可以无限期地增长。 With a pure hash partitioning strategy, is that tablets could grow indefinitely as more and more data is inserted into. 给定的tablet 冗余到多个tablet服务器上,并且在任何给定的时间点,其中一个副本被认为是leadertablet。 A given tablet is replicated on multiple tablet servers, and at any given point in time, one of these replicas is considered. 随着表的增长,它会被自动分解成许多Tablet ,每个Tablet默认尺寸大约是100到200MB。 As a table grows, it is automatically split into multiple tablets , each approximately 100-200 MB in size by default. 因为BigTable客户端并不依赖于主服务器来获得Tablet 的位置信息,所以,大多数客户端从来不和主服务器通信。 Because Bigtable clients do not rely on the master for tablet location information, most clients never communicate with the master. Nokia今天宣布将在其S60Symbian系统(同样也包括Series40设备和NokiaInternettablet )上增加对微软Silverlight…. Nokia today announced plans to make Microsoft® Silverlight™ available for S60 on Symbian OS, as well as for Series 40 devices and Nokia Internet tablets . Nokia是移动互联网设备(MID)/Internettablet 的先锋,推出了770InternetTablet 和后续的N800、N810。 Nokia pioneered the Mobile Internet Device(MID)/Internet tablet segment with the 770 Internet Tablet and its successors, the N800 and N810. 删除分区将删除属于分区的tablet 以及其中包含的数据。 Removing a partition will delete the tablets belonging to the partition, as well as the data contained in them. 索尼XperiaTablet ZXperiaTabletZ重约1.09磅,有防水设计,适合在厨房或游泳池边使用。 Xperia Tablet Z weighs about 1.09 pounds, it uses waterproof design, so it's suitable for use in the kitchen or swimming pool. 可以添加新的范围分区,这将导致创建4个额外的tablet (好像新列已添加到图表中)。 New range partitions can be added, which results in creating 4 additional tablets as if a new column were added to. 现有tablet的列表,哪些tabletservers具有每个tablet的副本,tablet 的当前状态以及开始和结束的keys(键)。 The list of existing tablets, which tablet servers have replicas of each tablet , the tablet's current state, and start and end keys. 下图显示了一个具有三个master和多个tablet server的Kudu集群,每个服务器都支持多个tablet 。 The following diagram shows a Kudu cluster with three masters and multiple tablet servers, each serving multiple tablets . 如果master将一个tablet 从一个tablet server移动到另一个,源tablet server会先对这个tablet 进行一次minorcompaction。 If the master moves a tablet from one tablet server to another, the source tablet server first does a minor compaction on that tablet . Master负责探测一个tablet 服务器何时不再为它的tablet 提供服务,并且尽快重新分配那些tablet 。 The master is responsible for detecting when a tablet server is no longer serving its tablets , and for reassigning those tablets as soon as possible. 为了提供可扩展性,Kudu表被划分为称为tablets的单元,并分布在许多tablet servers上。 In order to provide scalability, Kudu tables are partitioned into units called tablets, and distributed across many tablet servers.
Display more examples
Results: 248 ,
Time: 0.0193