Search Performance: A case of AV slowing down crawls

In the services world supporting Search, I commonly see the nasty impact of Anti-Virus (AV) on the performance of SharePoint Search. Before diving into this scenario, I want to first reiterate the following KB: Certain folders may have to be excluded from antivirus scanning when you use file-level antivirus software in SharePoint https://support.microsoft.com/en-us/kb/952167 Which states: These…

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SharePoint 2013 Search: People Search – “Why are my results so bad?” Understanding Relevancy, the Rank Model, Full-Text Index, Fuzzy Matching, and Social Distance

I’ve heard this question come up enough now that I think it warrants deeper examination.  Several customers have complained about “bad results” in people search.  They search for Katherine Doe, but the number-one result is for Cathy Smith and it’s ranked higher than the Katherine Doe result.  While this seems like bad relevancy, if we…


Certain types of Icons are not being displayed in search results with Sharepoint 2013

It looks like Sharepoint 2013 Search results are not showing little icons that display the file type next to each result, specifically non-Office/non-PDF type docs. File types like ZIP, EML, MHT and some others have icons displayed next to them just fine when loaded into a Document Library, but not as part of a search…


How to tell that a Continuous Crawl is actually working

One of the great things about having Continuous Crawl running is with the fact that it’s supposed to magically work, i.e you enable it and ‘mini-crawls’ are kicked off periodically keeping your index fresh.  However, it’s not very easy what’s happening in case something goes wrong or if you simply need to find out why…


The Myths and Perils in the Pursuit of Advanced Search Options

One question that I’ve heard a lot over the years working in the search space is: “How can I provide advanced search options for users, such as exposing boolean operators?” My answer: don’t waste your time with it (and especially don’t do it in the first iteration of your search application). Many search usability studies…


2011 in review – Annual Report by WordPress

It’s very interesting to look at the 2011 annual report for my blog that was put together by WordPress. Not surprisingly, the most read posts were the learning roadmaps. It seems like with so much information spread all over the place about SharePoint Search & FAST Search for SharePoint, it becomes even more important to…