WebDo SaveChanges () in packages of 100 inserts... or you can try with packages of 1000 items and see the changes in performance. Since during all this inserts, the context is the same and it is getting bigger, you can rebuild your context object every 1000 inserts. var yourContext = new YourContext (); I think this is the big gain. WebJun 4, 2016 · Also, you call the SaveChanges method every iteration in your loop. This means you make a call to your DB every iteration to persist that entity and is intensive and time consuming. Place that line of code outside your loop. foreach (var taskCode in taskCodes) { //logic db.TaskCodes.Add (newTaskCode); } db.SaveChanges ();
Entity Framework: Common performance mistakes
WebJan 30, 2024 · It fixes the part that's slow in the Application. However, the SaveChanges still take a lot of time because one database round-trip is made for every entity you save. So if you have 10k entities to insert, 10,000 database round-trip will be made which is INSANELY slow. Disclaimer: I'm the owner of Entity Framework Extensions Web𝗦𝗮𝘃𝗲𝗖𝗵𝗮𝗻𝗴𝗲𝘀 𝗯𝗲𝗰𝗼𝗺𝗲 𝗳𝗮𝘀𝘁𝗲𝗿 𝗶𝗻 𝗘𝗙 𝗖𝗼𝗿𝗲 𝟳?! In EF Core, persisting changes in the database are done via SaveChanges. Persistence… 24 تعليقات على LinkedIn new clip mylene farmer
Entity Framework SaveChanges () first call is very slow
WebMay 10, 2011 · Especially Add calls DetectChanges which is responsible for the poor performance you experienced. I contrast to this the ObjectContext API calls DetectChanges only automatically in SaveChanges but not in AddObject and the other corresponding methods mentioned above. That's the reason why the default performance of … WebDec 12, 2013 · Getting the user records and removing them from the EF memory model is quick but context.SaveChanges() takes way too long. It takes about 2 minutes to delete 1300 records from the database. Something is wrong here. It shouldn't be so slow. There is not a first compilation issue since subsequent invocations take some amount of time to … WebMar 18, 2024 · Currently inserting thousands (1000, 10000, 100000) of records is really slow. I think there is room for improvement, so I am creating feature request for bulk SaveChanges. Inspiration came form (EntityFramework Extensions). In my case, the factor between SaveChanges and BulkSaveChanges is even greater then: newclip osteotomy