Entity Framework Bulk Merge Library


Entity Framework Bulk Merge library allow you to improve EF performance by merging multiples entities with bulk operations.

Why using Bulk Merge with Entity Framework?

For HUGE performance gains.

Entity Framework makes one database round-trip for each entity to insert/update.

So if you want to add or modify 10,000 entities, 10,000 database round trip will be required which is INSANELY slow.

Operations 1,000 Entities 2,000 Entities 5,000 Entities
BulkMerge 65 ms 80 ms 110 ms
SaveChanges 1,000 ms 2,000 ms 5,000 ms

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// using Z.EntityFramework.Extensions; // Don't forget to include this.
// Easy to use
// Easy to customize
context.BulkMerge(list, bulk => bulk.BatchSize = 100);

Supported Library

Library Type EF Version Support Doc Features
Z.EntityFramework.Extensions PRO EF6 < 1 Day Yes
  • Bulk SaveChanges
  • Bulk Insert
  • Bulk Update
  • Bulk Delete
  • Bulk Merge