Crawling in SharePoint

In SharePoint 2010 there were two crawl types, “Full Crawl” and “Incremental Crawl”, whereas in SharePoint 2013 they have introduced a new crawl type named “Continuous Crawls” that keeps the content up to date. Continuous crawls are enabled only for the Content Sources that use the “SharePoint Sites” content source type. If a full crawl or incremental crawl is running then you will not be able to start a new crawl for the same content source until the old crawl is completed whereas multiple continuous crawls can run at the same time. All contents will be up to date because of continuous crawl.


Types of Crawling

There are the following 3 types of Crawling:

1.Full Crawl where the entire content will be crawled. This is time consuming and usually takes 30 minutes for a 1 GB of content (no 2 crawls can be in parallel).

2.Incremental Crawl only crawls content modified since the last crawl (no 2 crawls can be in parallel).

3.Continuous Crawl can be configured to start at regular intervals and multiple crawls can be done. Thus continuous crawl provides fresh results compared to the others.


To Start a full or an incremental crawl, you can choose any of the crawl from the below screenshot.





You can also schedules a crawl by creating a crawling schedule.







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