Perfect. Thank you very much. Regarding https, is it 2-way or 1 way? On 6 Oct. 2017 04:30, "Siddharth Wagle" <[email protected]> wrote:
> 1- How does it scale for thousands of agents? > > > With Ambari 2.5.2 you can launch a 2 node collector in distributed mode > and select the placement of the node based on geographical location of the > agents. > > Unfortunately, we shard based on hostname to select from the monitor, > which collector to write to. > > Presently this is not customizable however, if you need it to be feel free > to open a Jira, it is would be a straightforward fix required. However, I > doubt you would need to do this because all sinks locally aggregate metrics > and write only after 1 minute of data is collected. > > > https://issues.apache.org/jira/browse/AMBARI-15901 > > > Regarding volume of writes: We have tested the system with 2 node > collector upto 2K nodes and we already know of production systems of > up to 1500 node working with AMS. > > Since the collection model is push based the bottleneck needs to be solved > on the collector and therefore in 2.5.1+ version of Ambari you can add > additional collector node to handle extra load. > > > *Note*: In 3.0 we are doing quite a few things to address performance by > de-centralizing aggregations and reducing memory bloat on RegionServers > etc, but that will be ready later in the year. > > > 2- Can I use it over WAN probably by securing that in a two-way SSL way? > > > Regarding security: We already support https for AMS - > https://issues.apache.org/jira/browse/AMBARI-15050 > > > The SPNEGO based authentication work is still not complete: We have a > quite a few patches already in trunk but haven't looked at release > readiness for these. > > Possible Qin Liu can shed more light on this. > > > BR, > > Sid > > > ------------------------------ > *From:* Ali Nazemian <[email protected]> > *Sent:* Thursday, October 5, 2017 1:53 AM > *To:* [email protected] > *Subject:* Ambari metrics monitor-collector over the WAN > > Hi all, > > I am investigating to have a huge cluster of Nifi instances distributed > across the world. I have been told that Metrics Monitor and Metrics > Collector are using a very chatty protocol, so Ambari Metrics Collector may > face some serious performance issues regarding receiving telemetry > information from lots of Metrics Monitor Agents. I have two concerns > regarding that as follows. > > 1- How does it scale for thousands of agents? > > 2- Can I use it over WAN probably by securing that in a two-way SSL way? > > > Regards, > > Ali >
