Following updated instructions, I installed VirtualBox 5.2.16 on my Windows 10 computer. Then, I imported the 6.0.1 Sandbox for Hadoop appliance. Process seemed to work without a problem. I use a wireless router and so my network setting is Host-only Adapter. I started the node and was able to login as MapR or as root. When I executed the… Show more
New update to the problem. I used command line interface to look at what is running. Since I am just beginning this process, I don't know what is "normal" and what isn't, yet. After using the jps -l command I found in a later lesson, I see that the following applications/services seem to be running: Bootstrap, History, zookeeper,…
Apart from Apache Drill official documentation, what are some good books on Apache Drill ?#drill apache drill Can we get Apache Drill official documentation as a PDF?
Hi I was planning to take MCSD certification but see 2 versions of the exam that is v1.6 and v2.1. For v2.1 the self-learning DEV362 is not available yet and would be available later. In that case, would you advise taking v1.6 exam? Is v1.6 based on Spark 1.0? Also the MCSD study guide is not available for v2.1 of the exam. Thanks, Shobhit
Is it reduce-only job possible in Hadoop?
No, it’s not possible in Hadoop. A reducer takes the output of mapper in form of key and value pairs which is intermediate output. The reducer requires some primary phases as shuffling and sorting the data and then run a reducer function on each of them to process the final output. As if we do reduceonly jobs we have to emit the primary phases…
What do you mean by JBOD? Is it recommended in the Hadoop cluster?
What is non dfs used in hdfs web console?
Non-DFS used is any data in the file system of the data node that isn't in dfs.datanode.data.dirs. This would include log files, MapReduce shuffle output and local copies of data files (if you put them on a data node). "Non-DFS used" can be calculated by the following formula: Non DFS Used = Configured Capacity - Remaining Space - DFS Used…
What is the real use service impersonation ticket? I tried it as shown below. 1) There are two users mapr ( uid 15002 ) and a test user ( uid 1000 ) in the cluster. 2) I generate a service impersonation ticket for mapr with impersonation uid 1000 maprlogin generateticket -type servicewithimpersonation -user mapr -out /home/test/impticket… Show more
VirtualBox 5.2.16 includes the option to install USB Support, Networking Support (Bridged or Host only), and Python. Do I need all of those features to do MapR labs? My host system will be Windows 10 Pro. I happen to be doing ADM200 at the moment.
I am unable to launch Hue on my host machine via (127.0.0.1:8448). The browser will not allow me launch except with a message display that reads; "Register with mapr in order to get the latest updates". Please I need help , I am new to this thing. Thanks
When DEV 362 - Create Data Pipelines Using Apache Spark (Spark v2.1) will be available? apache spark
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Is there a way to install hbase on mapr 6.0? I would install Cask CDAP and it needs hbase (not maprdb). Thanks