Is there any UI for Hive?
The Hive Web Interface is an alternative to using the Hive command line interface. The Hive Web Interface, abbreviated as HWI, is a simple graphical user interface (GUI). Version. HWI is only available in Hive releases prior to 2.2.
Which of the following interface is used for accessing the Hive Metastore?
WebHCat API. Another web interface that can be used for Hive commands is WebHCat, a REST API (not a GUI). With WebHCat, applications can make HTTP requests to access the Hive metastore (HCatalog DDL) or to create and queue Hive queries and commands, Pig jobs, and MapReduce or YARN jobs (either standard or streaming).
Which is the correct interface for Hive querying?
The Hive interface such as Command Line or Web UI sends query to Driver (any database driver such as JDBC, ODBC, etc.) to execute.
What is Hive server Interactive?
LLAP is a shared YARN application LLAP daemon, also called HiveServer2-interactive, is launching a long running YARN application when it starts. This YARN application will execute all the SQL queries, independently of the user running the query.
What are the types of tables in Hive?
There are two types of tables in Hive ,one is Managed table and second is external table. the difference is , when you drop a table, if it is managed table hive deletes both data and meta data,if it is external table Hive only deletes metadata. by default It is Managed table .
What is Hive architecture?
Hive is an ETL and data warehouse tool on top of Hadoop ecosystem and used for processing structured and semi structured data. Hive is a database present in Hadoop ecosystem performs DDL and DML operations, and it provides flexible query language such as HQL for better querying and processing of data.
What is default Metastore in Hive?
The default value of this property is jdbc:derby:;databaseName=metastore_db;create=true. This value specifies that you will be using the embedded Derby as your Hive metastore, and the location of the metastore is metastore_db. We can also configure the directory for the Hive to store table information.
Why do we need Hive Metastore?
You can define new table or even few tables on top of some location in HDFS and put files in it. You can change existing table location or partition location, all this information is stored in the metastore, so Hive knows how to access data.
How does Hive process a query?
Interface of the Hive such as Command Line or Web user interface delivers query to the driver to execute. In this, UI calls the execute interface to the driver such as ODBC or JDBC. Driver designs a session handle for the query and transfer the query to the compiler to make execution plan.
What benefit does llap bring to Hive?
Apache Hive enables interactive and subsecond SQL through Low Latency Analytical Processing (LLAP), a new component introduced in Hive 2.0 that makes Hive faster by using persistent query infrastructure and optimized data caching. LLAP is 100% compatible with Hive SQL queries and data formats.
What is a interactive query?
Interactive Query (also called Apache Hive LLAP, or Low Latency Analytical Processing) is an Azure HDInsight cluster type. Interactive Query supports in-memory caching, which makes Apache Hive queries faster and much more interactive.
What is the table of 5?
Multiplication Table of 5
How to get the URL for Hive web interface?
Hue (Hadoop User Experience) is the web interface for analyzing data with Hadoop (and not just with Hive). Hue’s standard port is 8888. However, that value may be different in your installation. Look for the http_port entry in /etc/hue/conf/hue.ini if 8888 doesn’t work for you. Sorry. I am new to all this.
Who is hive design and what do they do?
Hive Design is more than just a web design company to us. They’re long-term partners who consult with us regularly and are committed to our future growth and success. We wanted something that wasn’t a standard website, and Hive Design more than delivered.
Which is the web interface for Hadoop Hive?
Hue (Hadoop User Experience) is the web interface for analyzing data with Hadoop (and not just with Hive). Hue’s standard port is 8888. However, that value may be different in your installation.
Where do I find the HTTP port for Hue?
Hue’s standard port is 8888. However, that value may be different in your installation. Look for the http_port entry in /etc/hue/conf/hue.ini if 8888 doesn’t work for you. Sorry. I am new to all this. Can you tell me where exactly to find /etc folder. Thanks – Rahul Singhvi Sep 10 ’14 at 18:34