Can someone please help me on how to implement a proper vitess cluster on production. I am going through the vitess DOC but I am unable to figure out how a proper cluster is setup with multiple machines.
We now have a user guide for running vitess in production: https://vitess.io/docs/user-guides/configuration-basic/
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Can anyone direct me to a video or step-by-step guide for managing Cassandra schema using Cobliteam's cassandra-migrate OpenSource product? I am looking for guidance on...
Installation
Configuration
Usage
Env: 3 node cluster in Single Data Centre on CentOS 7 servers.
First of all my agenda is to be able to use spark codes inside jupyterhub. In other words I want to connect a remote spark cluster to jupyterhub. After searching about it I came up with two solutions:1)Livy and 2)spark magic. I have tried Livy but since it doesn't support spark version 3 I have put that one aside, also another way we considered was via spark magic but we couldn't install or even find a good documentation about it.
what came into our minds was somehow merge the two image of spark and jupyterhub together to gain what we need.
Does anyone have any idea how it can be done or a better suggestion?
Even a good documentation about spark magic that we can use would be wonderful.
thank you for your help.
I am working on a project on Kubernetes where I use Spark SQL to create tables and I would like to add partitions and schemas to an Hive Metastore. However, I did not found any proper documentation to install Hive Metastore on Kubernetes. Is it something possible knowing that I have already a PostGreSQL database installed ? If yes, could you please help me with any official documentation ?
Thanks in advance.
Hive on MR3 allows the user to run Metastore in a Pod on Kubernetes. The instruction may look complicated, but once the Pod is properly configured, it's easy to start Metastore on Kubernetes. You can also find the pre-built Docker image at Docker Hub. Helm chart is also provided.
https://mr3docs.datamonad.com/docs/k8s/guide/run-metastore/
https://mr3docs.datamonad.com/docs/k8s/helm/run-metastore/
The documentation assumes MySQL, but we have tested it with PostgreSQL as well.
I am new to sharding feature of arangodb, I have learned various documents related to this, but still can't find the way to configure it. Anybody please provide the step-by-step procedure to setup sharding or any refrence which is useful for me. I am using arangodb with node.js and angularJS on linux mint.
I often visit https://docs.arangodb.com and these are little useful
https://docs.arangodb.com/2.5/Installing/Cluster.html and How to set clusters and sharding in ArangoDB?
sharding is only available in ArangoDB when its clustered.
Except for that you configure the number of shards a collection is distributed into, its completely transparent to your AQL queries - the ArangoDB Coordinator instances do all the heavy lifting for you. Thats probably why shards don't appear in a more detailed way here.
The easiest way to set up an ArangoDB Cluster is to use Mesosphere DCOS - Click on ArangoDB and choose the environment to deploy your cluster to.
The more detailed manual about setting up clusters can be found here: https://docs.arangodb.com/3.0/Manual/Deployment/index.html
Also featuring other installation methods. We will put more effort to explain sharding in clusters soon.
I have a Cassandra cluster running and now I want to set up a cluster of opendaylight controller over it.
The wiki page just mentions that I need to point the opendaylight to the cassandra cluster but I am unable to figure out how.
Please provide some details about it.
There is an updated wiki page about how to setup clustering at https://wiki.opendaylight.org/view/Running_and_testing_an_OpenDaylight_Cluster.
You will need to use the karaf distribution and the helium release.
http://www.opendaylight.org/software