Hi, I bought a subcription for MapR Academy Pro at 2017-07-19, My subscription will end in few days (2018-01-19), Will I lose access to the courses even the ones I could not finish? Thank you
I would like to use AWS AMI ( public image /community AMI ) to create a single node of Mapr cluster. I was able to create instance but nothing works, there is no HUE installed. Has anyone successfully able to use AWS AMI and create a working instance out of it?
RAID is a popular in RDBMS, used to create data replication for reliability.
Many companies use a simple rack-based topology for data placement, but more complex topologies may be called for. What topologies are you using for your cluster, and what is the business requirement that drives the decision?
Rack awareness is an artificial construct. Its however you want to define it. The goal of rack awareness is to help with distributing the data across the cluster for better resiliency. I wouldn't use it for segmenting or segregating data. If you want to segregate data, there are security features that allow you to do that plus on how you…
Compatibility with Mapr Client 5.2.1 and Mapr Cluster 5.2.2. I have a Spark application that runs on a Mapr 5.2.1 client. If the Cluster is on version 5.2.2 and client on 5.2.1 or vica versa, the Spark Application is always killed with 18/02/12 08:10:00 INFO yarn.ApplicationMaster: Preparing Local resources Exception in thread "main"… Show more
Hi, We are trying to evaluate Mapr-DB, I was trying to find if there was C-SDK for OJAI type and file store but was unsuccessful. Please guide me on the same as most of our Applications are C/C++ based. Regards Shrinidhi M S
I have purchased MapR Certified Spark Developer (MCSD) with version 1.6 last year. But I heard the exam is going to update to 2.0, which I wish to write exam with. When will the version of MapR Certified Spark Developer (MCSD) get auto- upgraded from 1.6 to 2.0 ?
It fast because data will not be moved rather computational algorithms will be moved to the place where data is residing. What about U?
MapR Academy Essentials These free, on-demand courses offer training on a range of big data and MapR Converged Data Platform concepts for developers, data analysts, and administrators. These courses provide the foundation for more advanced courses in MapR Academy Pro, and are designed to be flexible to meet the demands of your schedule. Big…
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I am setting up 5 node mapr cluster using the ansible playbook, which is failing at this point. Mapr Installation using ansible playbook fails : GitHub - mapr-emea/mapr-ansible We observed the the configure.sh command run is successful but "maprserverticket" & "cldb.key" file are not getting generated. Pointers are appreciated : Error… Show more