Solr commit and optimize questions

Question

I have a classifieds website. Users may put ads, edit ads, view ads etc.

Whenever a user puts an ad, I am adding a document to Solr. I don\'t know, however, when to

Answer 1

The way that this sort of thing is usually done is to perform commit/optimize operations on a Solr node located out of the request path for your users. This requires additional hardware, but it ensures that the performance penalty of the indexing operations doesn't impact your users. Replication is used to periodically shuttle optimized index files from the master node to the nodes that perform search queries for users.