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daaa
I am trying to use Spark Streaming with MapR Streams. Streaming application is enable checkoonting. I can execute Streaming application,but not restore from checkpoint with following exception. org.apache.kafka.common.errors.UnknownTopicOrPartitionException :No such file or directory (2) Could not seek.   And I found the following ERROR.… (Show more)
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john.humphreys
A great deal of the time while using Spark streaming, the streaming console (the one you get by going to "Application Master" in the resource manager and clicking "Streaming") becomes unresponsive for large periods of time. It always comes back eventually sometimes after a minute or two.  It can make it hard to analyze what's currently happening… (Show more)
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ghalbi
Hi, I'm using MapRSandBox 5.2 on Microsoft Azure  and I create a CentOs VM I need to use it as a mapr gateway.   Please if there is any tutorial Step by step, cause I tried so many things but no success:   I already Installed all this packages and change the mapr-clusters.config ... yum -y install mapr-core.x86_64 mapr-core-internal.x86_64… (Show more)
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endamcm
Hi,   I have MAPR client installed on a windows server and I am able to programmatically interact with a MAPR Cluster via this configuration.   I have now installed Apache Spark Client 2.1.0 on the windows server and setup the applicable environment variables.   I am supplying the following in the code setMaster("yarn")… (Show more)
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sija
Hello Everyone,   Issue with the below job view portals, all these tabs is blank (meaning, no job information)  even when there are jobs running in the cluster. 1) My Spark History Server, 2) Job History Server, 3) Resource Manager and 4) Job Tracker   I have had this issue from the very start. None of my monitoring links are showing any… (Show more)
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mandoskippy
I am looking to create a sensor setup where I can have multiple dockerized bro instances controlled in such a way that I can start them point them at an interface, and get data.  There is kafka integration, but it appears to be using the Golang  github.com/Shopify/sarama/tools/kafka-console-consumer  Repo... how could I get this to work with… (Show more)
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server
Hi, I have recently attempted to test Kafka Connect on Mapr without any success Environment: Mapr-Sandbox-For-Hadoop-5.2.1   I installed all required components(http://maprdocs.mapr.com/home/AdvancedInstallation/InstallingKafka.html): mapr-kafka-0.9.0 mapr-kafka-rest mapr-client mapr-kafka-connect-jdbc mapr-kafka-connect-hdfs Created a… (Show more)
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MichaelSegel
Just to preface this... this is what happens when I make an 8 shot espresso iced latte and I have some free time on my hands... ;-)   I was curious about MapR File System locks. Since the FS is posix compliant, I was wondering what would happen if I held a file lock on a file or set of files in one app, while someone was attempting to run a hive… (Show more)
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Daniar
Hello,   I have recently tested HBaseTesingUility version 1.1.8-mapr-1703 (hbase-testing-util). I followed suggestions from this post. https://community.mapr.com/thread/9222   The code:   public class HBaseTest2 {      public static void main(String[] args) throws Exception {           HBaseTestingUtility utility = null;           if… (Show more)
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john.humphreys
We'll be deploying a spark streaming app sometime soon on YARN.   I've noticed during testing that the logs in YARN grow absolutely huge; to the point where if you need to check something from yesterday, it can take a huge amount of time to load in the browser.  Clearly, if this keeps up, it will not even be loadable.   How do people manage YARN… (Show more)
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gregp121
Currently I am using HBase Python  opensource library -  Happybase to get Hbase tables from Linux HBase server  (say, Server A) into Pandas data frames on my client machine (say, Server B).   I have installed Happybase and Hbase Client on ServerB, and can use Hbase shell to query tables in ServerA.   I have also started the Thrift server there by… (Show more)
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waikiat.yip
Hi Guys,    anyone faced this issue before ?   3 Nodes- HP Servers  OS: Redhat 7.3  Mapr Version : 5.2.1   Installer version : mapr-installer-v1.5.201705041557.rpm.gz ,  mapr-mep-v3.0.0.201704051422.rpm.gz,   mapr-setup.sh  mapr-v5.2.1GA.rpm.tgz    3 nodes with CLDB and zookeeper installed. installed 3nodes successfully.   there is very… (Show more)
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pvempaty
I have more than one topic and I a consumer per topic trying to consume (a.k.a poll records) from their respective queues. I am doing a sequential polling where in I poll from one topic, do a commitSync and then try to poll from the next topic etc.. I am using a poll timeout of "0". After first iteration, the next poll hangs indefinitely. I am… (Show more)
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