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From "Mo Dje (Jira)" <>
Subject [jira] [Commented] (LUCENENET-647) Performance decreasement migrating from 3.0.3 to 4.8.0
Date Fri, 06 Mar 2020 10:07:00 GMT


Mo Dje commented on LUCENENET-647:

Yes I read this article. There is a little improvement by doing the hack presented in this
article but there is still a serious gap with the previous version in terms of response time.

> Performance decreasement migrating from 3.0.3 to 4.8.0
> ------------------------------------------------------
>                 Key: LUCENENET-647
>                 URL:
>             Project: Lucene.Net
>          Issue Type: Improvement
>         Environment: OS: Windows 10
> CPU: Intel Core i7-8700 
> RAM: 32Gb
>            Reporter: Mo Dje
>            Priority: Major
> Hello,
> I'm currently migrating a project, that uses Lucene.Net, from .Net Framework to .Net
> I had to migrate from 3.0.3 version of Lucene to 4.8.0 (beta0007) but I noticed performance
decreasement while measuring response time while requesting the database. The response time
using Lucene 4.8.0 is two to three times higher than 3.0.3 version.
> I read some forum topics where other users noticed this performance decreasement too.
Are you aware about that? Do you plan to do something to improve performances of Lucene 4.8.0?
> Best regards

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