Fastest MS SQL Inserts — Part 5: Hibernate Tuning
In Part 1 we watched Spring Data's saveAll() take 7x longer than batched persist() because every entity triggers a SELECT before its INSERT. In Part 2 we …
Marko Milenković
I'm Marko — a Java backend engineer writing about what actually works: performance benchmarks, JUnit, SQL Server, and JVM internals.
15 posts
1 TIL
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Building an agentic development framework — see what I'm up to
Data-Oriented Programming in Java: Move Data to Functions
Your Car class has twelve methods now. Washing, waxing, polishing, billing — everything that ever needed the car's fields got bolted onto it. Nobody remembers …
TIL: String.isBlank() vs isEmpty()
" ".isEmpty() returns false, but " ".isBlank() returns true — whitespace counts as blank, not empty.
1" ".isEmpty(); // false — length is 1
2" ".isBlank(); // true — whitespace only (Java 11+)
3"abc".isBlank(); // false
I caught myself writing s.trim().isEmpty() again today. String.isBlank() exists since Java 11 and covers exactly this case — plus it is Unicode-aware, so " \u00A0 ".isBlank() also works where trim() misses non-breaking spaces.
Fastest MS SQL Inserts — Part 4: Bulk Copy Flag
In previous discussions, we established that bulk insert and multi-value batched inserts represent the fastest methods for inserting data into an MS SQL Server …
Fastest MS SQL Inserts — Part 3: Multi-Value INSERT
In a previous post, we concluded that the Bulk API insert is the fastest way to insert data into an MS SQL Server database if the batch size is reasonably …
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Fastest MS SQL Inserts — Part 2: JDBC Strategies
Introduction In the previous post Fastest way to insert the data in MS SQL - Part 1 Hibernate Batching we compared the performance of Hibernate inserts with …