Hello all: I'm using Ambari2.7.3.0 and HDP3.1.0.0-78 to bulid a cluster.HDP repository was build on internal network,using http://public-repo-1.hortonworks.com/HDP/centos7/3.x/updates/3.1.0.0/HDP-3.1.0.0-centos7-rpm.tar.gz ; and Ambari was downloaded from public repository .I installed Hadoop from Ambari. Here's the problem :The version of Hadoop was completely same as HDP3.0,not HDP3.1,Could anyone tell me why? Such as Kafka ,version is 1.0 in HDP3.0,but 2.0 in HDP3.1,rpm package version from yum repository is 2.0,I'm confused ... ... View more

Hi all: I got HDP3.0 installed with Ambari 2.7 on my test_cluster, and my old cluster has HDP2.6.1.0 running for several months. I add a custom service 'ELASTICSEARCH' in my old cluster running very well , however when I copy config to /var/lib/ambari-server/resources/stacks/HDP/3.0/services/ELASTICSEARCH and restart ambari-server ,I cannot install ELASTICSEARCH with this ERROR: Traceback (most recent call last): File "/var/lib/ambari-agent/cache/stack-hooks/before-ANY/scripts/hook.py", line 35, in <module> BeforeAnyHook().execute() File "/usr/lib/ambari-agent/lib/resource_management/libraries/script/script.py", line 353, in execute method(env) File "/var/lib/ambari-agent/cache/stack-hooks/before-ANY/scripts/hook.py", line 29, in hook setup_users() File "/var/lib/ambari-agent/cache/stack-hooks/before-ANY/scripts/shared_initialization.py", line 50, in setup_users groups = params.user_to_groups_dict[user], KeyError: u'elasticsearch' Error: Error: Unable to run the custom hook script ['/usr/bin/python', '/var/lib/ambari-agent/cache/stack-hooks/before-ANY/scripts/hook.py', 'ANY', '/var/lib/ambari-agent/data/command-452.json', '/var/lib/ambari-agent/cache/stack-hooks/before-ANY', '/var/lib/ambari-agent/data/structured-out-452.json', 'INFO', '/var/lib/ambari-agent/tmp', 'PROTOCOL_TLSv1_2', ''] I thought it related to my user&group configuration ,but I have no templates and I have no idea how it works. Any suggestions would be very thankful !!! ... View more

Hey all: I'm working on the configuration tuning of some services like hive,hdfs,yarn,etc. I found Ambari would set some configs automatically .For example ,when I change 'yarn-nodemanager.resource.memory-mb',several configs changed ,which is very useful . I'd like to understand the mechanism of auto-recommend for services, but I found nowhere. Could someone help me ?Thanks a lot! ... View more