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Entity framework first query takes long time

WebMay 15, 2024 · Typically the effect is that your first query - and it doesn't matter which one - is slow and subsequent queries are fast. It must not necessarily be a query that could be slow. If the first operation you are doing with EF in your application is an Insert that would be slow. Or even an Attach that doesn't touch the database at all would be slow ... WebMay 31, 2024 · Handling Entity Framework Core migrations: creating a migration – Part 1; ... Relational fixup, different from normal query. The first step will have filled in the primary keys and foreign keys, which define how the data is connected to each other. ... (Identity Resolution can take a long time). This is why you end up with four Authors ...

c# - Entity Framework async operation takes ten times as long to

WebFeb 7, 2024 · I would like to ask. We have a "problem" that causes that first query after project startup takes long to handle. First time query is handled takes several seconds let's say 2-8 seconds (depending on … WebAug 7, 2015 · Second step: Exclude as much as possible. Indexes (No, the query is fast) Returning too much data (No, according to the info you have) Slow query compilation (No, raw sql query is used) Slow data transfer (No, the other queries works well) Slow DbContext initialization (No, you said it's not the first query) mahjong handle wordle https://remingtonschulz.com

Core 3.1 First query to db takes a long time

WebJan 16, 2024 · It's hard to know why it takes 500ms because they might have several reasons. (dbContext as IObjectContextAdapter).ObjectContext. Doing it mean the OnModelCreating method will be invoked, and the model will be compiled for the first time. Some query will be executed on the database as well. WebOct 14, 2024 · Sorted by: 1. First start is slow because EF configuring table mappings. Most important thing that you can do is to redesign you dbcontext. You must split configurations into different contexts. One context must contains few entities, associated in meaning (as is done in DDD). E.g. WebCategory Query Learning for Human-Object Interaction Classification Chi Xie · Fangao Zeng · Yue Hu · Shuang Liang · Yichen Wei A Unified Pyramid Recurrent Network for Video Frame Interpolation Xin Jin · LONG WU · Jie Chen · Chen Youxin · Jay Koo · Cheul-hee Hahm SINE: Semantic-driven Image-based NeRF Editing with Prior-guided Editing Field oahu golf municipal tee times

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Entity framework first query takes long time

Entity Framework is Too Slow. What are my options?

WebApr 17, 2013 · I use Entity Framework 4.5 with Object Context. My model has around 200 entities type. The first time I make a ridiculous query in a 10 records database that returns 1 record, it will take 3 seconds. From then on, not only this query, but all will become instant. If I close IISExpress and open it again. The first time will be very slow again. WebMar 9, 2024 · If a certain query is taking too much time (e.g. because an index is missing), this can be seen discovered by inspecting command execution logs and observing how …

Entity framework first query takes long time

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WebFeb 1, 2013 · ADO.NET Entity Framework and LINQ to ... Then you would lets say execute each query once and each of the queries would take a long time; Then you would run each query a second time and each would take seconds. ... for one form or query pulling down the same amount of data from the database and see if that gives the same amount …

WebMay 8, 2024 · 2. Serialization is not the big deal, it's easy to notice now that you have added the LINQ query that the issue is the poor SQL Entity Framework will generate from it. First of all, you should be using eager loading to join your products table with the parts table. You can do that simply by adding an Include method call. WebMar 9, 2024 · If a certain query is taking too much time (e.g. because an index is missing), this can be seen discovered by inspecting command execution logs and observing how long they actually take. EF makes it very easy to capture command execution times, via either simple logging or Microsoft.Extensions.Logging:

WebFeb 25, 2024 · Entity Framework loads very slowly the first time because the first query EF compiles the model. If you are using EF 6.2, you can use a Model Cache which loads … WebCategory Query Learning for Human-Object Interaction Classification Chi Xie · Fangao Zeng · Yue Hu · Shuang Liang · Yichen Wei A Unified Pyramid Recurrent Network for …

WebFeb 15, 2015 · Entity Framework async operation takes ten times as long to complete. I’ve got an MVC site that’s using Entity Framework 6 to handle the database, and I’ve been …

WebMar 19, 2015 · The first page is rows 1 to 10, second page is 11 to 20 and so on. Let's see how this query works when we try to get the fourth page, i.e. rows 31 to 40. PageSize=10, PageNumber=3. In the inner query we select first 40 rows. Note, that we don't scan the whole table here, we scan only first 40 rows. We don't even need explicit … mahjong halloween connectWebDec 3, 2012 · Now, I have roughly 50k Items and only 100 ItemGroups. If I execute a context.Items.ToList (), using SQL Profiler, the duration is around 2-3 seconds which is completely acceptable. If, however, I want to load the ItemGroups at the same time using context.Items.Include ("ItemGroup").ToList (), the execution time jumps up to around 12 … mahjong how to playWebMar 19, 2015 · I am having an issues with the EF that the first query takes a long time. I thought the query itself was taking a long time. So, I used . context.Database.Log = s => System.Diagnostics.Debug.WriteLine(s); to see what query is being sent. It only took only 1 ms but from the open connection to close connection, it took 18 second. mahjong hexa match game