By default Solr uses the “TieredMergePolicy”[1], but it can be configured in
solrconfig, see [2]. Merges can be triggered for different reasons, but most
commonly by segment flushes (commits) or other merges finishing.
Here is a nice visual demo of segment merging (a bit old but still mostly
a
Hi all,
I use SolrCloud with some collections with 3 shards each.
Every day I insert and remove documents from collections. I know that solr
starts optimizer in background to optimize indexes.
Which is the policy that solr applies in order to start optimizer
automatically ? Number of del
