See inline. > Now, Laurens, two question for you: First, please confirm: Are you setting > the value of masters_also_are_datanodes via the masters_also_are_datanodes > field in the Ambari configuration GUI? Or directly editing files?
I'm using Ambari to edit the configuration. However, I have to manually edit the file locally as the Ambari configuration doesn't work. > Second, do you set it at the initial install time, or afterward? I'm pretty > sure it needs to be set at initial install time, before you ever launch the > Elasticsearch nodes. I'm dubious about whether an Elasticsearch master can > learn to be a datanode if it first wakes up and configures itself to not be > one. But I'm not an Elasticsearch expert, so if someone else knows > different, please say so. In this case, I forgot to set it initially, so I tried to change it afterwards to no avail. > Hope this helps more than obfuscates. > > --Matt > > FROM: Michael Miklavcic <michael.miklav...@gmail.com> > DATE: Tuesday, September 12, 2017 at 4:54 PM > TO: "dev@metron.apache.org" <dev@metron.apache.org> > CC: Matt Foley <mfo...@hortonworks.com> > SUBJECT: Re: Elasticsearch masters_also_are_datanodes doesn't work. > > At the very least, the value provided by default seems to have changed to a > "1" instead of "true" without the tooltip having been updated to match. > > On Tue, Sep 12, 2017 at 4:00 PM, Michael Miklavcic > <michael.miklav...@gmail.com> wrote: > > I think this is our default setup for full dev. It's only a 1-node VM, so I'm > pretty sure that it would not work otherwise. I'm spinning up full dev now > and will look into it also. > > On Tue, Sep 12, 2017 at 3:04 PM, Laurens Vets <laur...@daemon.be> wrote: > > https://issues.apache.org/jira/browse/METRON-1181 > > I'll also spin up a full-dev environment and see what happens there. > > On 2017-09-10 21:50, Matt Foley wrote: > > Laurens, please open a jira. Altho it may seem obvious, please > include full repro. > This may be a showstopper, as it presumably (?) prevents ES from > working on a single-node deployment? > > On 9/10/17, 4:01 PM, "Laurens Vets" <laur...@daemon.be> wrote: > > Another issue I noticed. Setting "masters_also_are_datanodes" in Ambari > to "true" does not work. > The settings in /etc/elasticsearch/elasticsearch.yml will always be > false when restarting elasticsearch...
