Entity Framework 6

This is the codebase for Entity Framework 6 (previously maintained at https://entityframework.codeplex.com). Entity Framework Core is maintained at https://github.com/dotnet/efcore. (by dotnet)
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Entity Framework 6 Alternatives

Similar projects and alternatives to Entity Framework 6

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a better Entity Framework 6 alternative or higher similarity.
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Entity Framework 6 reviews and mentions

Posts with mentions or reviews of Entity Framework 6. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-02-10.
  • ASP.NET Performance optimization question
    2 projects | /r/csharp | 10 Feb 2022
    Additionally, an individual context will also cache the actual sql being performed and their docs go over the caching it does here regarding that.
  • Ask HN: What tangible benefits did you get from spending time on HN?
    2 projects | news.ycombinator.com | 6 Mar 2021
    Every so often, posts from Bruce Dawson's blog get posted here - one such post was about using Event Tracing for Windows to diagnose an issue with an NTFS lock being held causing 63 cores to idle while 1 does all the work.

    https://randomascii.wordpress.com/2019/10/20/63-cores-blocke...

    A few months later, some other people in my team were struggling to diagnose an issue in production where a legacy webapp was struggling to scale up and fully use all 64 cores of the server we needed it to run on. I stepped in to help and remembered that post I'd seen on HN. We used ETW (through Windows Performance Recorder and Windows Performance Analyzer) to profile our app and I looked into the Wait Analysis. Turns out that Entity Framework 6 uses a ReaderWriterLockSlim to guard a cache, and that particular lock performs extremely poorly under heavy contention. Heavy in our case meant that for a single page build of one of this app's "hot path" pages, this lock would be taken a few hundred thousand times. We weren't the first to discover this:

    https://github.com/dotnet/ef6/issues/1500

    What some other people in my team were struggling with for about two weeks was resolved in a single day thanks to me goofing off and reading HN. (We ultimately used a fork of EF6 that didn't suffer from this issue to solve our problem)

Stats

Basic Entity Framework 6 repo stats
2
1,404
8.3
8 days ago

dotnet/ef6 is an open source project licensed under MIT License which is an OSI approved license.

The primary programming language of Entity Framework 6 is C#.

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