All Questions
8 questions
1
vote
1
answer
423
views
Inserting large number of rows into database with Spring boot
I need to insert many million rows + many GB of data into a database for a project that uses Spring boot. I recreated a minimal example with a one to many relationship and am trying to find the ...
- 155
1
vote
1
answer
3k
views
Handling multiple optional parameters in Spring
I have an endpoint in my RestAPI which can receive 3 optional parameters and then find information in the database with these parameters, also it is possible to combine the parameters. So, in my ...
- 13
2
votes
1
answer
2k
views
Inserting 50k rows with Spring Data and JPA [closed]
I am using Spring Data JPA with Spring boot application. My requirement is to insert 50K rows in JPA entity table in one hour or less.
I have 3 entities A, B and C. Entity A has a one to many ...
- 21
2
votes
1
answer
115
views
Copying notes takes a very long time
I am working on a Spring-MVC application in which we have note like functionality. Notes can have attachments, history, etc.
There is a method to copy notes. When a note has a large number of ...
- 257
5
votes
2
answers
1k
views
Google Maps API with Jackson Parser
I am working on the Google Maps API, doing a reverse geocoding with the following code snippet.
What I am using are:
Spring
Jackson Parser
Google Maps API
It is working fine but it gives results a ...
- 51
5
votes
1
answer
247
views
Bot-like Spring Java service for checking advertisements
I am in the middle of developing a Spring Boot application, which has a service acting like a bot.
advertisementService.update(Advertisement ad) is a method which ...
- 51
2
votes
2
answers
6k
views
Write into the same CSV file multiple times
I implemented an OutputWriterService.class to write content in the same file multiple times.
The writeToCsvFile method is ...
- 131
3
votes
2
answers
207
views
Performance enhancement for collection manipulation
I have below snippet of code which gets all the available menu items for a zone(top or left)and adds the widgets for which user has access to an ArrayList collection. For now the getWidgetsByZone(zone)...
- 747