Thanks this is really interesting
> > On 27 Oct 2021, at 18:36, Houston Putman <hous...@apache.org> wrote: > > Vincenzo, > > If you use the Solr Operator <https://solr.apache.org/operator/>, it will > manage the upgrades for you in a safe manner (waiting for x number of > replicas to be healthy before moving onto the next node). > > Hopefully the following documentation pages will help: > > - CRD Options for Update Strategy > > <https://apache.github.io/solr-operator/docs/solr-cloud/solr-cloud-crd.html#update-strategy> > - Managed Update Logic > > <https://apache.github.io/solr-operator/docs/solr-cloud/managed-updates.html> > > You can configure it so that it will upgrade at most 1 Solr Node at a time, > and only have 1 replica of each shard unhealthy at any given time. > > - Houston > >> On Wed, Oct 27, 2021 at 12:29 PM Vincenzo D'Amore <v.dam...@gmail.com> >> wrote: >> >> HI Rob, thanks for your help. >> Do you know if in case of failure (initFailures not empty) >> /solr/admin/cores changes the http status code of the response in 500 (or >> everything that is not 200) ? >> >>> On Wed, Oct 27, 2021 at 6:13 PM Robert Pearce <rp3...@gmail.com> wrote: >>> >>> Take a look at the cores REST API, something like >>> >>> http://localhost:8983/solr/admin/cores?action=STATUS&wt=json >>> >>> Any failed cores will be in ‘initFailures’; cores which started will be >>> under “status” >>> >>> Rob >>> >>>> On 27 Oct 2021, at 16:28, Vincenzo D'Amore <v.dam...@gmail.com> wrote: >>>> >>>> Hi all, >>>> >>>> when a Solr instance is started I would be sure all the indexes present >>> are >>>> up and running, in other words that the instance is healthy. >>>> The healthy status (aka liveness/readiness) is especially useful when a >>>> Kubernetes SolrCloud cluster has to be restarted for any configuration >>>> management needs and you want to apply your change one node at a time. >>>> AFAIK I can ping only one index at a time, but there is no way out of >> the >>>> box to test that a bunch of indexes are active (green status). >>>> Have you ever faced the same problem? What do you think? >>>> >>>> Best regards, >>>> Vincenzo >>>> >>>> -- >>>> Vincenzo D'Amore >>> >> >> >> -- >> Vincenzo D'Amore >>
