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CLI, UI, and Thrift Server: A command-line interface (CLI) provides a user interface for an external user to interact with Hive by submitting queries, and instructions and monitoring the process status. Thrift server allows external clients to interact with Hive over a network, similar to the JDBC or ODBC protocols. [24]
Starting with version 3.1, JDBC has been developed under the Java Community Process. JSR 54 specifies JDBC 3.0 (included in J2SE 1.4), JSR 114 specifies the JDBC Rowset additions, and JSR 221 is the specification of JDBC 4.0 (included in Java SE 6). [2] JDBC 4.1, is specified by a maintenance release 1 of JSR 221 [3] and is included in Java SE ...
The JDBC driver gives out the connection to the database and implements the protocol for transferring the query and result between client and database. JDBC technology drivers fit into one of four categories. [2] JDBC-ODBC bridge; Native-API driver; Network-Protocol driver (Middleware driver) Database-Protocol driver (Pure Java driver) or thin ...
In most ways, JDBC can be considered a version of ODBC for the programming language Java instead of C. JDBC-to-ODBC bridges allow Java-based programs to access data sources through ODBC drivers on platforms lacking a native JDBC driver, although these are now relatively rare. Inversely, ODBC-to-JDBC bridges allow C-based programs to access data ...
The core of Apache Hadoop consists of a storage part, known as Hadoop Distributed File System (HDFS), and a processing part which is a MapReduce programming model. Hadoop splits files into large blocks and distributes them across nodes in a cluster. It then transfers packaged code into nodes to process the data in parallel.
JBD, or journaling block device, is a generic block device journaling layer in the Linux kernel written by Stephen Tweedie from Red Hat. JBD is filesystem-independent. JBD is filesystem-independent. ext3 , ext4 and OCFS2 are known to use JBD.
2 PB (with standard 8k block) 8 PB (with max 32k block) 8 EB (with max 32k block and BIGFILE option) 4 GB × block size (with BIGFILE tablespace) 8 KB 1,000 128 TB 32,767 B 11: 126 bits −4712 9999 128 Max DB size Max table size Max row size Max columns per row Max Blob/Clob size Max CHAR size Max NUMBER size Min DATE value Max DATE value
On Linux, network block device (NBD) is a network protocol that can be used to forward a block device (typically a hard disk or partition) from one machine to a second machine. As an example, a local machine can access a hard disk drive that is attached to another computer. The protocol was originally developed for Linux 2.1.55 and released in ...