docs/topics/impala_ports.xml

<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE concept PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">
<concept id="ports">

  <title>Ports Used by Impala</title>
  <prolog>
    <metadata>
      <data name="Category" value="Impala"/>
      <data name="Category" value="Ports"/>
      <data name="Category" value="Network"/>
      <data name="Category" value="Administrators"/>
      <data name="Category" value="Developers"/>
      <data name="Category" value="Data Analysts"/>
    </metadata>
  </prolog>

  <conbody id="conbody_ports">

    <p>
      <indexterm audience="hidden">ports</indexterm>
      Impala uses the TCP ports listed in the following table. Before deploying Impala, ensure these ports are open
      on each system.
    </p>

    <table>
      <tgroup cols="5">
        <colspec colname="1" colwidth="20*"/>
        <colspec colname="2" colwidth="30*"/>
        <colspec colname="3" colwidth="10*"/>
        <colspec colname="4" colwidth="20*"/>
        <colspec colname="5" colwidth="30*"/>
        <thead>
          <row>
            <entry>
              Component
            </entry>
            <entry>
              Service
            </entry>
            <entry>
              Port
            </entry>
            <entry>
              Access Requirement
            </entry>
            <entry>
              Comment
            </entry>
          </row>
        </thead>
        <tbody>
          <row>
            <entry>
              <p>
                Impala Daemon
              </p>
            </entry>
            <entry>
              <p>
                Impala Daemon Frontend Port
              </p>
            </entry>
            <entry>
              <p>
                21000
              </p>
            </entry>
            <entry>
              <p>
                External
              </p>
            </entry>
            <entry>
              <p>
                Used to transmit commands and receive results by <codeph>impala-shell</codeph> and
                some ODBC drivers.
              </p>
            </entry>
          </row>
          <row>
            <entry>
              <p>
                Impala Daemon
              </p>
            </entry>
            <entry>
              <p>
                Impala Daemon Frontend Port
              </p>
            </entry>
            <entry>
              <p>
                21050
              </p>
            </entry>
            <entry>
              <p>
                External
              </p>
            </entry>
            <entry>
              <p>
                Used to transmit commands and receive results by applications, such as Business Intelligence tools,
                using JDBC, the Beeswax query editor in Hue, and some ODBC drivers.
              </p>
            </entry>
          </row>
          <row>
            <entry>
              <p>
                Impala Daemon
              </p>
            </entry>
            <entry>
              <p>
                Impala Daemon Backend Port
              </p>
            </entry>
            <entry>
              <p>
                22000
              </p>
            </entry>
            <entry>
              <p>
                Internal
              </p>
            </entry>
            <entry>
              <p>
                Internal use only. Impala daemons use this port to communicate with each other.
              </p>
            </entry>
          </row>
          <row>
            <entry>
              <p>
                Impala Daemon
              </p>
            </entry>
            <entry>
              <p>
                StateStoreSubscriber Service Port
              </p>
            </entry>
            <entry>
              <p>
                23000
              </p>
            </entry>
            <entry>
              <p>
                Internal
              </p>
            </entry>
            <entry>
              <p>
                Internal use only. Impala daemons listen on this port for updates from the statestore daemon.
              </p>
            </entry>
          </row>
          <row rev="2.1.0">
            <entry>
              <p>
                Catalog Daemon
              </p>
            </entry>
            <entry>
              <p>
                StateStoreSubscriber Service Port
              </p>
            </entry>
            <entry>
              <p>
                23020
              </p>
            </entry>
            <entry>
              <p>
                Internal
              </p>
            </entry>
            <entry>
              <p>
                Internal use only. The catalog daemon listens on this port for updates from the statestore daemon.
              </p>
            </entry>
          </row>
          <row>
            <entry>
              <p>
                Impala Daemon
              </p>
            </entry>
            <entry>
              <p>
                Impala Daemon HTTP Server Port
              </p>
            </entry>
            <entry>
              <p>
                25000
              </p>
            </entry>
            <entry>
              <p>
                External
              </p>
            </entry>
            <entry>
              <p>
                Impala web interface for administrators to monitor and troubleshoot.
              </p>
            </entry>
          </row>
          <row>
            <entry>
              <p>
                Impala StateStore Daemon
              </p>
            </entry>
            <entry>
              <p>
                StateStore HTTP Server Port
              </p>
            </entry>
            <entry>
              <p>
                25010
              </p>
            </entry>
            <entry>
              <p>
                External
              </p>
            </entry>
            <entry>
              <p>
                StateStore web interface for administrators to monitor and troubleshoot.
              </p>
            </entry>
          </row>
          <row rev="1.2">
            <entry>
              <p>
                Impala Catalog Daemon
              </p>
            </entry>
            <entry>
              <p>
                Catalog HTTP Server Port
              </p>
            </entry>
            <entry>
              <p>
                25020
              </p>
            </entry>
            <entry>
              <p>
                External
              </p>
            </entry>
            <entry>
              <p>
                Catalog service web interface for administrators to monitor and troubleshoot. New in Impala 1.2 and
                higher.
              </p>
            </entry>
          </row>
          <row>
            <entry>
              <p>
                Impala StateStore Daemon
              </p>
            </entry>
            <entry>
              <p>
                StateStore Service Port
              </p>
            </entry>
            <entry>
              <p>
                24000
              </p>
            </entry>
            <entry>
              <p>
                Internal
              </p>
            </entry>
            <entry>
              <p>
                Internal use only. The statestore daemon listens on this port for registration/unregistration
                requests.
              </p>
            </entry>
          </row>
          <row rev="1.2">
            <entry>
              <p>
                Impala Catalog Daemon
              </p>
            </entry>
            <entry>
              <p>
                StateStore Service Port
              </p>
            </entry>
            <entry>
              <p>
                26000
              </p>
            </entry>
            <entry>
              <p>
                Internal
              </p>
            </entry>
            <entry>
              <p>
                Internal use only. The catalog service uses this port to communicate with the Impala daemons. New
                in Impala 1.2 and higher.
              </p>
            </entry>
          </row>
          <row rev="1.3.0">
            <entry>
              <p>
                Impala Daemon
              </p>
            </entry>
            <entry>
              <p>
                Llama Callback Port
              </p>
            </entry>
            <entry>
              <p>
                28000
              </p>
            </entry>
            <entry>
              <p>
                Internal
              </p>
            </entry>
            <entry>
              <p>
                Internal use only. Impala daemons use to communicate with Llama. New in <keyword keyref="impala13"/> and higher.
              </p>
            </entry>
          </row>
          <row rev="1.3.0">
            <entry>
              <p>
                Impala Llama ApplicationMaster
              </p>
            </entry>
            <entry>
              <p>
                Llama Thrift Admin Port
              </p>
            </entry>
            <entry>
              <p>
                15002
              </p>
            </entry>
            <entry>
              <p>
                Internal
              </p>
            </entry>
            <entry>
              <p>
                Internal use only. New in <keyword keyref="impala13"/> and higher.
              </p>
            </entry>
          </row>
          <row rev="1.3.0">
            <entry>
              <p>
                Impala Llama ApplicationMaster
              </p>
            </entry>
            <entry>
              <p>
                Llama Thrift Port
              </p>
            </entry>
            <entry>
              <p>
                15000
              </p>
            </entry>
            <entry>
              <p>
                Internal
              </p>
            </entry>
            <entry>
              <p>
                Internal use only. New in <keyword keyref="impala13"/> and higher.
              </p>
            </entry>
          </row>
          <row rev="1.3.0">
            <entry>
              <p>
                Impala Llama ApplicationMaster
              </p>
            </entry>
            <entry>
              <p>
                Llama HTTP Port
              </p>
            </entry>
            <entry>
              <p>
                15001
              </p>
            </entry>
            <entry>
              <p>
                External
              </p>
            </entry>
            <entry>
              <p>
                Llama service web interface for administrators to monitor and troubleshoot.
                New in <keyword keyref="impala13"/> and higher.
              </p>
            </entry>
          </row>
        </tbody>
      </tgroup>
    </table>
  </conbody>
</concept>