Solr 7.4.0 added a periodic maintenance task that cleans up old inactive parent shards left after the split. “Old” means 2 days by default.
> On 22 Jan 2019, at 15:31, Jason Gerlowski <gerlowsk...@gmail.com> wrote: > > Hi, > > You might want to check out the documentation, which goes over > split-shard in a bit more detail: > https://lucene.apache.org/solr/guide/7_6/collections-api.html#CollectionsAPI-splitshard > > To answer your question directly though, no. Split-shard creates two > new subshards, but it doesn't do anything to remove or cleanup the > original shard. The original shard remains with its data and will > delegate future requests to the result shards. > > Hope that helps, > > Jason > > On Tue, Jan 22, 2019 at 4:17 AM zhenyuan wei <tins...@gmail.com> wrote: >> >> Hi, >> If I split shard1 to shard1_0,shard1_1， Is the parent shard1 will >> never be clean up？ >> >> >> Best, >> Tinswzy >
