Thank you Shawn. You're right ! It is better to read the good version of the Collection API documentation.
Le mar. 10 déc. 2019 à 19:49, Shawn Heisey <apa...@elyograg.org> a écrit : > On 12/10/2019 11:25 AM, Dominique Bejean wrote: > > I would like to convert a collection (3 shards x 3 replicas) from TLOG to > > NRT. > > > > The only solution I imagine is something like : > > * with collection API, remove replicas in order to keep only 1 replica > per > > 3 shard > > * update the collection state.json in zookeer > > * with collection API, reload the collection > > * with collection API, add 2 replicas per shard > > I have not actually done this, but based on my understanding of how the > collections API functions, you could just run ADDREPLICA to create a new > NRT replica on the desired host, then DELETEREPLICA to remove the TLOG > replica that it replaces. Repeat those two steps for each one you want > to convert. I don't think reloading would be required, but might be > something you want to do after you're all done with those operations. > If you expect copying the shard to the new replica to take longer than 3 > minutes, you should do the ADDREPLICA operations as async requests. > > Modifying data in zookeeper directly is an expert option, not something > you would want to do unless you've got a very deep understanding of > SolrCloud code. It could leave your setup in a state that's difficult > to fix. > > Thanks, > Shawn >
