SOLR6 indexing it taking more than 2 min

Steps to reproduce:

1. Login into Alfresco Share
2. Create a site and add/create a document
3. After the document is created navigate to search tab and type the name of the document created in Step 2

Actual results:
The search is returning information about the created object in around 2 min

Expected results
The search is returning the object created in Step 2 in a matter of seconds