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spadmin asked ElsieLu-MSFT commented

Does continuous crawl requires incremental crawl in SharePoint 2019

Hi,

In SP 2019 on-prem,

1) Does continuous crawl also require incremental crawl?

2) Can we run a continuous crawl without running incremental?

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Hi @spadmin ,

How are things going? Is there any update? I am willing to hear from you.
If you think my suggestion is helpful, you could mark it as an answer. It will help others who meet the similar question in this forum. Also others will directly see the answer.

Thanks,
Elsie Lu

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trevorseward answered spadmin commented

Continuous crawls are overlapping incremental crawls. Just set the content source to use continuous crawls and you should be all.set. I would suggest not scheduling full crawls. FCs can be run manually for troubleshooting purposes.

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Can continuous crawl picks up the managed property changes plus any new pdfs and aspx like a full crawl?

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ElsieLu-MSFT avatar image
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ElsieLu-MSFT answered

Hi @spadmin ,

Full: Crawl all content.
Incremental: As the name says, it crawls content that has been modified since the last crawl. The "Continuous Crawl" is a type of crawl that aims to maintain the index as current as possible.

A similar post for your reference:
Difference between Continious Crawl and Incremental Scheduled Crawl

Here is also an article about the brief introduction of different crawl types you could have a look:
Continuous Crawl and the Difference Between Incremental and Continuous Crawl

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In addition, per my test when using incremental newly added files or .aspx pages can be found in search results. When it comes to managed property, as you may know generally speaking it is divided into site column and list column.

List column requires you to create managed property yourself. The result of my test is that the changes to the managed property of these two columns can be obtained by incremental crawling if your settings are correct, however there may be some delay.

In fact, if it is just some changes in a list/library, you only need to try reindex to get the change.
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Reference:
SharePoint 2019 ON PREMISE - How to create managed property


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