Hello grafana experts , i have a question i installed grafana and wand to display data from kafka after having a spark streaming analyze , prediction are saved in elasticsearch but when i want to display them in grafana i got none , i have established a connexion with grafana and elasticsearch on hortonxorks anyone here can help ? ... View more

hello , i am trying to install solr using ambari but i got an error of lucidworks [root@sandbox-hdp ~]# cd .. [root@sandbox-hdp /]# yum whatprovides lucidworks-hdpsearch Loaded plugins: fastestmirror, ovl, priorities Loading mirror speeds from cached hostfile * base: ftp.jaist.ac.jp * epel: mirror.euserv.net * extras: ftp.jaist.ac.jp * updates: ftp.jaist.ac.jp lucidworks-hdpsearch-2.6.1-100.noarch : lucidworks-hdpsearch Repo : HDP-SOLR-2.6.1-100 Matched from: ... View more

hello can someone help me how can i install elasticsearch on HDP 2.6 thank you i got this error You have selected 1 Elasticsearch Data Node components. Please consider that at least 3 Elasticsearch Data Node components should be installed in cluster. and this Skipping stack-select on AMBARI_ELASTICSEARCH because it does not exist in the stack-select package structure. ... View more

hello can someone tell me how to upgrade ambari from 2.6.1 to 2.6.2 thank you ... View more

Hello , i am new in hdp so i have this issue about how to transfer data from kafka producer to HDFS , i thought about using Flume ( Ps i am not able to download nifi so i can't use nifi ==> flume is the alternative ) and i don't know how to use kafka connector so i choose flume so can someone give me a command line that helps me to send data from kafka producer or topic to hdfs ... View more

Hello i am new in HW can you please tell me how to import data from kafka topics to HDFS thanks :^ Ps i don't want to use nifi and i want to work with spark streaming ... View more

Hello , can someone give me theright command to test kafka using command line i followed this tuto in apache kafka 's officiel page but it didn't work the topics creates well but when i try to communicate with producer and consumer i got this error https://kafka.apache.org/quickstart ... View more