The Hortonworks Community Connection is now live. A completely rebuilt Q&A forum, Knowledge Base, Code Hub and more, backed by the experts in the industry.

You will be redirected here in 10 seconds. If your are not redirected, click here to visit the new site.

The legacy Hortonworks Forum is now closed. You can view a read-only version of the former site by clicking here. The site will be taken offline on January 31,2016

Hive / HCatalog Forum

Protocole to connect to Hive/HCatalog

  • #50636
    Gwenael Le Barzic
    Participant

    Hello there.

    I create this topic because I would like to know which protocole is used in the ODBC driver for Hive ? Is it just HTTP or is it something else ?
    http://s3.amazonaws.com/public-repo-1.hortonworks.com/index.html#/HDP/hive-odbc

    I read somewhere that it is possible to execute HQL with the following ways :
    – Directly in command lines in the Hadoop cluster (on each node with at least the client Hive installed ?)
    – by using JDBC (Java Database Connectivity)
    – by using ODBC (Open Database Connectivity)
    – by using the client Hive Thrift Client

    Which protocole use each of this way ?

    I hope my questions makes sense.

    Best regards.

    Gwenael Le Barzic

  • Author
    Replies
  • #50731
    Thejas Nair
    Moderator

    In case of JDBC/ODBC, it talks to hive server2 (or hive server1 in older versions) using thrift binary api (thrift protocol over tcp). There is an option to use thrift over http , and its support has been greatly improved in upcoming hive 0.13 release. I believe the http mode is supported since hive 0.12.

    In case of hive commandline, there is no rpc to the hive server2. It runs the hive parser/optimizer/scheduler etc within the same have commandline jvm.
    Hope this answers your question.

The forum ‘Hive / HCatalog’ is closed to new topics and replies.

Support from the Experts

A HDP Support Subscription connects you experts with deep experience running Apache Hadoop in production, at-scale on the most demanding workloads.

Enterprise Support »

Become HDP Certified

Real world training designed by the core architects of Hadoop. Scenario-based training courses are available in-classroom or online from anywhere in the world

Training »

Hortonworks Data Platform
The Hortonworks Data Platform is a 100% open source distribution of Apache Hadoop that is truly enterprise grade having been built, tested and hardened with enterprise rigor.
Get started with Sandbox
Hortonworks Sandbox is a self-contained virtual machine with Apache Hadoop pre-configured alongside a set of hands-on, step-by-step Hadoop tutorials.
Modern Data Architecture
Tackle the challenges of big data. Hadoop integrates with existing EDW, RDBMS and MPP systems to deliver lower cost, higher capacity infrastructure.