Using config: /etc/zookeeper/conf/zoo.cfg
Ruok imokConnection closed by foreign host. If everything's fine, ZooKeeper will say imok and end the Telnet session. By default, it listens on port 2181:Īt the telnet prompt, type in ruok and press ENTER. Once installed, ZooKeeper will be started as a daemon automatically. Update-alternatives: using /etc/zookeeper/conf_example to provide /etc/zookeeper/conf (zookeeper-conf) in auto mode
Install apache spark ubuntu 16.04 install#
Since the ZooKeeper package is available in Ubuntu's default repositories, we can install it using apt-get: So, we need install Apache ZooKeeper which coordinates and synchronizes configuration information of nodes of a distributed system. To install Drill on nodes in the cluster, we need to configure a cluster ID and add Zookeeper information. To exit the Drill shell, issue !quit command: Let's open the Drill Web Console that is available at localhost:8047: Note that drillbit (Drill daemon) starts automatically in embedded mode. In other words, Drill in embedded mode does not require installation of ZooKeeper. zk=local zk=local means the local node substitutes for the ZooKeeper node.0 is the number of connections to Drill, which can be only one in embedded node.Here is the description about the prompt: INFO: Initiating Jersey application, version Jersey: 2.8 01:25:26.Įmbedded mode requires less configuration & it is preferred for testing purpose.Īs we can see from the message, we got 0: jdbc:drill:zk=local> prompt which suggests the drill-embedded command uses a jdbc connection string and identifies the local node as the ZooKeeper node. OpenJDK 64-Bit Server VM warning: ignoring option MaxPermSize=512M support was removed in 8.0ġ0:27:25 PM .ApplicationHandler initialize
Internally, the command uses a jdbc connection string and identifies the local node as the ZooKeeper node.īefore we start Drill, let's navigate to the Drill installation directory ( /usr/local/apache-drill-1.8.0) and issue the following command to start the Drill bin/drill-embedded To start the Drill shell in embedded mode, we want to use the drill-embedded command.
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