Apache Lucene vs. Glean

Apache Lucene is a perfect text search implementation where the heap space usage needs to be kept to its minimal. It also enables search based on various search fields and most importantly the search and index process can happen simultaneously. The only scenario where it might be less appropriate would be when the index size grows too big. We have witnessed few scalable issues where the search would take a while when the index size is too large.

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When I am interviewing candidates and they start asking specific questions that I dont know the answer to, I use Glean chat to quickly find answers. It helps save time because I can really quickly find the answers to anything. I think if leaders care about their employers, they would get Glean!

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• We found Apache Lucene to be extremely performant in querying large amounts of data and retrieving the correct files based on the metadata provided.
• The online community offers great support for the product. Even though it is an open source tool, it is not difficult to find help online for it.
• When we were creating a proof of concept application, we found that the software worked just as well, while being run locally on a resource-limited PC.

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• Single search capability across all systems
• High accuracy of search results
• Saves you time in day to day work
• Offers customization with the homepage and go links

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• User interface for setup and maintenance would be helpful.
• Easier cloud/cluster setup.
• Better, centralized documentation.

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• The AI Chat can definitely improve. I will ask it questions about our sales process and it should be referencing documents that I know are in our company Glean, but it will give me the wrong answer.

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I give it a 5 because of the chat not giving accurate answers and also sometimes I will search for documents that I know used to be in Guru before we had it but now it is no longer in Glean

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The search and index performance of [Apache] Lucene is excellent and the quality of results is good, if not better. For implementing it with small scale applications it is a no brainer, Lucene is the best and most cost effective solution. Learning curve is not too steep either.

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Personally I am not from the evaluation team but I feel ChatGPT , Gemini are good as well.

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• Being an open source project we did not have to pay any licensing fees for using Apache Lucene. It has greatly improved our search functionality in our web apps.

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Independently Invited by TrustRadius

A de minimis incentive was given to thank the reviewer for their time. The incentive was not used to bias or drive a particular response, nor was the incentive contingent on a positive endorsement. More Info

• Quickly able to find answers for customers allowing me to be more proactive with them
• allows me to quickly access info for all follow up emails for customers

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Independently Invited by TrustRadius

A de minimis incentive was given to thank the reviewer for their time. The incentive was not used to bias or drive a particular response, nor was the incentive contingent on a positive endorsement. More Info