Hi all. I'm new here.

So at work we provide a service that's been running flawlessly on top of HDP 
since at least 2014. The recent "events" (which we became aware of only late 
last year, when it was already too late) had us panicking a bit at first, since 
we realised we could no longer manage our cluster, but we've since then been 
able to track down repo mirrors so the immediate crisis is over (no thanks to 
Cloudera).

However, with HDP dead and CentOS 7 nearing EOL, it's clear that we need to 
move on. While we have evaluated both CDP, GCP Dataproc and even considered 
migrating from HBase to Bigtable, Bigtop seems like the only sensible way 
forward. We just want a small database/MQ backend cluster that keeps running 
forever to power our service.

Which brings us to Ambari. I really liked Ambari, for cluster management 
obviously but also so for monitoring, and it has worked great for us all those 
years. A lot of work has obviously been put into Ambari and it seems like such 
a waste to throw it all away.

What are this Bigtop's plans for Ambari, the upstream project being retired and 
all?

For us, we would like to bring us to the point were, in 2024 when CentOS 7 goes 
EOL, we can bring up a new cluster on Rocky 8 with HDFS, Yarn, HBase, Kafka and 
Zookeeper using Ambari to manage, monitor and keep it up and running like that 
until at least 2029 when RL8 retires. It doesn't seem *that* difficult given 
the HDP 3.1 vs Bigtop 3.0.1 BOMs for the components we need. We would also be 
willing to put some time into making that happening.

What are your thoughts on that? Is anybody here still interested in Ambari? Has 
anybody actually been using it to manage Bigtop components?

PS. Also cross-posting to user. Anybody else in my situation? What are you all 
using to monitor your clusters once deployed?

-- 
Martin Blom
[email protected]

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