Could we simulate user managed replication with an embedded zookeeper on the primary and pull replicas on the followers?
On Mon, Aug 9, 2021 at 12:56 PM Jason Gerlowski <[email protected]> wrote: > > Hey Marcus, > > The places I've worked in the past have all used SolrCloud primarily > so I can't speak to any specifics, but my impression from reading > user-list traffic is that a sizable chunk of Solr's user base prefers > "User-Managed" mode (formerly called "standalone"). Some because they > don't want to manage a ZooKeeper cluster. Some because the > replication model in 'user-managed' fits their needs better. Some I > imagine just haven't bothered to update in many years. > > I'm absolutely sympathetic to efforts to streamline development and > reduce collective debt, but it might be tough to displace such a big > chunk of users. I'm curious what others think though. Maybe the > proportion of 'user-managed' users out there is smaller than I > imagine. > > Jason > > On Fri, Aug 6, 2021 at 11:59 PM Marcus Eagan <[email protected]> wrote: > > > > Hello again, > > > > Has the time come for us to reduce scope to move faster and with more > > focus? Even for those not in the cloud, SolrCloud has been the undisputed > > performance and usability champ since version 8.0. In version 9.0, I'd like > > to propose that the deciders in the community deprecate standalone mode in > > favor of SolrCloud. > > > > There are a few drivers: > > > > We only need to support changes that impact SolrCloud going forward. I know > > that this is hard to stomach. But by the time Solr reaches version 10.0, > > everyone should have migrated to SolrCloud as there is little reason to > > continue to run standalone. > > The new features keep coming to SolrCloud, but not to standalone. You can > > see in a few ways how I embarrassingly discovered this late one night while > > trying out a PR. If not careful, users can accidentally start Solr in > > standalone mode. Think of all the features that they will see documented > > but not in their environment. What a confusing user experience? > > Last but certainly not least, the number of contributors to the project, > > and the velocity of those contributions has dropped. . It does not have to > > be that way, though. Two ways are for the community to observe our push for > > modernization and improved user experience. Simply eliminating the need to > > include the -c flag in the start command would be a huge win for many > > engineers.We should make life easier for our users as much as the > > maintainers here. We can strive to make the upgrade process from 9 to 10 > > very simple. > > > > I tried to make one step in this direction last year by re-ordering the > > README to show the Solr Cloud command before the standalone command. I > > believe that patch died on the vine, but I would be excited to revive it to > > document this effort when the time is appropriate. > > > > Reason not to do it: > > > > Some large company out there might view this move as introducing risk. I > > view the risk here as negligible but I welcome any perspective there. > > Some things I inevitably don't know. > > > > What do you all think? > > > > Thank you all for your voluntary contributions, > > -- > > Marcus Eagan > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
