Hi Omkar R,There is an ongoing patch that can help you: https://gerrit.cloudera.org/c/18939/, you can reference this conversation: https://lists.apache.org/thread/8l3q8szosw4rh8yg9g5njb0w0fmwc3yp .
Best regards, Xiang Yang At 2023-04-24 17:00:12, "Tamás Máté" <tma...@apache.org> wrote: >Hi Omkar R, > >Thanks for reaching out to us. My understanding is that you are looking for >a way to deploy/start an Impala cluster in a multi node environment. > >At this point Impala does not have a solution to deploy/start a cluster in >to/on multiple hosts. The start-impala-cluster.py script starts and >configures it on a single hosts, or it can start the cluster in a >dockerised environment. It can help to figure out what configurations are >needed to deploy a cluster. > >The Impala application depends on the gflags package, so Impala can be >configured with a flagfile or with CLI arguments, some examples can be >found here: >https://impala.apache.org/docs/build/html/topics/impala_config_options.html >This shows examples on how to point the Impala services to check for each >other on the right hosts. > >Additionally, Impala depends on multiple configuration files to work with >other Hadoop components, for example the HDFSClient inside Impala will need >core-site.xml. In a working dev environment you can find these under >'${IMPALA_HOME}/fe/src/test/resources'. For example, if you check the >core-site.xml you will see that the defaultFS config points to a local HDFS: > <property> > <name>fs.defaultFS</name> > <value>hdfs://localhost:20500</value> > </property> >You will need to create these config files with the right Hadoop cluster >configurations on every node. > >Hope this helps, let me know if you get stuck during the process. > >Best regards, >Tamas > > >On Mon, 24 Apr 2023 at 09:15, Omkar Rohadkar <omkar.rohad...@ellicium.com> >wrote: > >> Hi Team, >> >> I've successfully done installation of open source impala and integrated >> Apache services like hadoop ,hive, hbase on a single node . This setup is >> working fine. >> >> But now I want to install Impala in a multi-node environment and integrate >> it with Apache services. I have a few questions about it. >> >> When we build and install Impala and start impala service using start >> impala cluster.py file it starts all the impala services like 1 catalogd 1 >> statestore and 3 daemons. >> >> But now in multi node setup we only want catalog and statestore to run on >> master node and one impala daemon on all the worker nodes. >> >> May I know how we can achieve this? Do we need to build it differently? and >> in which config files or script files we need to change so that we can >> achieve the above setup. >> >> For installation of multi node setup if we build it on every node how can >> we combine it as a one cluster? >> >> Hope to get your help on the above doubts. >> >> Thanks and regards, >> Omkar R >> >> -- >> Privileged/Confidential information may be contained in this message and >> may be subject to legal privilege. Access to this e-mail by anyone other >> than the intended is unauthorized. If you are not the intended recipient >> (or responsible for delivery of the message to such person), you may not >> use, copy, distribute or deliver to anyone this message (or any part of >> its >> contents ) or take any action in reliance on it. In such case, you should >> destroy this message, and notify us immediately. If you have received this >> email in error, please notify us immediately by e-mail or telephone and >> delete the e-mail from any computer. If you or your employer does not >> consent to internet e-mail messages of this kind, please notify us >> immediately by e-mail. All reasonable precautions have been taken to >> ensure >> no viruses are present in this e-mail. As our company cannot accept >> responsibility for any loss or damage arising from the use of this e-mail >> or attachments we recommend that you subject these to your virus checking >> procedures prior to use. The views, opinions, conclusions and other >> information expressed in this electronic mail are not given or endorsed by >> the company unless otherwise indicated by an authorized representative >> independent of this message. >>