Hi All, Pinging again for some help to split shards in collection with implicit routing.
Thanks! On Mon, Jul 29, 2024 at 10:41 PM Saksham Gupta <saksham.gu...@indiamart.com> wrote: > After fidgeting with the split shards API for a few hours, I stumbled > across the line in solr documentation which states that `*split shard api > can only be used for SolrCloud collections created with numShards > parameter, meaning collections which rely on Solr’s hash-based routing > mechanism.*` > > Nevertheless, I found something interesting while trying this in implicit > routing [route parameter is a field in solr document]. Both splitting and > searching is happening as expected i.e. the shard I'm trying to split > becomes inactive meanwhile creating 2 subshards which are being used for > searching even though the route parameter contains the parent shard name. > Issue comes while indexing [using solrJ 8.10, CloudHttp2SolrClient's > addBeans method to index docs], as it is indexing the data in the primary > shard itself and not in the sub shard. *Why is routing working fine while > searching and not while indexing? Am I missing something here? Is there a > way to use this in implicit routing as well?* > > It will be a very tedious and long process if I had to recreate a new solr > collection with new shards [removing the old shard and dividing it into new > shards], will have to re-index and take the new index to production. Please > suggest an optimal way. >
