#apache_iotdb Suchergebnisse
#Apache_IoTDB #apache #IoTDB IoTDB是一个用 Java编写的面向列的 开源时序数据库(TSDB)管理系统。
#Apache_IoTDB #apache #IoTDB Apache IoTDB是清华大学软件学院王建民教授团队发起的项目。2011年,团队在一个海量机器数据管理的项目中选择使用开源NoSQL技术代替Oracle ,并注意到NoSQL在工业物联网(IIoT)场景中的不足。
#ApacheIoTDB #IoTDB #Apache_IoTDB #Apache In Apache IoTDB, all data and paths stored are organized in units of measurements.😍
#ApacheIoTDB #IoTDB #Apache_IoTDB #Apache Users can start Apache IoTDB standalone mode by the start-standalone script under the sbin folder.🤓
#ApacheIoTDB #IoTDB #Apache_IoTDB #Apache To query the specific timeseries of Apache IoTDB, use SHOW TIMESERIES <Path>. <Path> represents the path of the timeseries.😼
#ApacheIoTDB #IoTDB #Apache_IoTDB #Apache There is a default user in Apache IoTDB after the initial installation: root, and the default password is root.🤩📷🤩
#ApacheIoTDB #IoTDB #Apache_IoTDB #Apache Data files store all the data that the user wrote to Apache IoTDB, which contains TsFile and other files.😊
#ApacheIoTDB #IoTDB #Apache_IoTDB #Apache In the process of using Apache IoTDB, the attributes on the path from ROOT node is directly connected to each leaf node with "."🫡
#ApacheIoTDB #IoTDB #Apache_IoTDB #Apache The timestamp columns of a group of aligned timeseries need to be stored only once in memory and disk when inserting data in Apache IoTDB.🥰📷🥰
#ApacheIoTDB #IoTDB #Apache_IoTDB #Apache Apache IoTDB is a database based on distributed system. To launch IoTDB, you can first start standalone mode (i.e. 1 ConfigNode and 1 DataNode) to check.🤩
#ApacheIoTDB #IoTDB #Apache_IoTDB #Apache In order to support users' storage requirements such as disk space expansion better, Apache IoTDB supports multiple file directories storage methods for TsFile storage configuration.😺
#IoTDB #Apache_IoTDB IoTDB 存储引擎基于 LSM Tree 结构设计,写入的数据先记录 WAL,再写到内存 memtable,在后台逐步刷到磁盘 TsFile;磁盘上的 TsFile 通过一定的规则进行 Compaction,保证查询效率。
#Apache_IoTDB #apache #IoTDB #ApacheIoTDB 同步工具是持续将边缘端(发送端) IoTDB 中的时间序列数据上传并加载至云端(接收端) IoTDB 的套件工具。 IoTDB 同步工具内嵌于 IoTDB 引擎,与下游接收端相连,下游支持 IoTDB(单机/集群)。
#Apache_IoTDB #apache #IoTDB #ApacheIoTDB IoTDB 支持多种安装途径。用户可以使用三种方式对 IoTDB 进行安装——下载二进制可运行程序、使用源码、使用 docker 镜像
#Apache_IoTDB #apache #IoTDB #ApacheIoTDB IoTDB 套件由若干个组件构成,共同形成“数据收集-数据写入-数据存储-数据查询-数据可视化-数据分析”等一系列功能。
#Apache_IoTDB #apache #IoTDB #ApacheIoTDB IoTDB 是针对时间序列数据收集、存储与分析一体化的数据管理引擎。它具有体量轻、性能高、易使用的特点,完美对接 Hadoop 与 Spark 生态,适用于工业物联网应用中海量时间序列数据高速写入和复杂分析查询的需求。
#Apache_IoTDB #apache #IoTDB #ApacheIoTDB 为了实现同类型不同实体的物理量元数据共享,减少元数据内存占用,同时简化同类型实体的管理,IoTDB引入元数据模板功能。
#IoTDB #Apache_IoTDB IoTDB 存储引擎基于 LSM Tree 结构设计,写入的数据先记录 WAL,再写到内存 memtable,在后台逐步刷到磁盘 TsFile;磁盘上的 TsFile 通过一定的规则进行 Compaction,保证查询效率。
#Apache_IoTDB #apache #IoTDB Apache IoTDB是清华大学软件学院王建民教授团队发起的项目。2011年,团队在一个海量机器数据管理的项目中选择使用开源NoSQL技术代替Oracle ,并注意到NoSQL在工业物联网(IIoT)场景中的不足。
#Apache_IoTDB #apache #IoTDB IoTDB是一个用 Java编写的面向列的 开源时序数据库(TSDB)管理系统。
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