mimir
HikariCP
| mimir | HikariCP | |
|---|---|---|
| 1 | 33 | |
| 0 | 19,424 | |
| - | - | |
| 3.9 | 6.2 | |
| 19 days ago | about 1 month ago | |
| Kotlin | Java | |
| MIT License | Apache License 2.0 |
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mimir
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Writing to db
I also have examples of postgres and mysql, but there are nested projects and may also be a bit much. sub projects with different integrations.
HikariCP
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Java virtual threads caused a deadlock in TPC-C for PostgreSQL
Looks like HikariCP is also awaiting fixes for this https://github.com/brettwooldridge/HikariCP/pull/2055
- About Pool Sizing
- HikariCP maximumPoolSize based on AWS ECS number of tasks
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Writing to db
I have used hikari and exposed to do this in the past with postgres, although other dialects are supported.
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A Tale of Two Connection Pools
I found one suggestion from the author of HikariCP on how to address this, which I implemented and it worked. However, there are additional classes involved, and it feels a little clunky and hard to follow.
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Spring boot change password runtime
Not really, you can change some things in spring boot but doing so will typically trigger a refresh which is less reliable than restarting but still causes a large performance hit. You could probably do it with hikari if you really needed to but it's inadvisable to build your application around this mechanic.
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Help with bungeecord server
# https://github.com/brettwooldridge/HikariCP/wiki/About-Pool-Sizing
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Currently load testing a Django API I don’t get good results, Help me brainstorm this
Not familiar with Python but this thread about a Java connection pool might be interesting: https://github.com/brettwooldridge/HikariCP/wiki/About-Pool-Sizing
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Should I use diesel ORM if performance is the most important thing?
Whatever you choose, presuming your app is database heavy, I highly recommend spending time on DB schema design to make all queries as short as possible, avoid relying on transactions, and keep your connection pool tiny. For reference: https://github.com/brettwooldridge/HikariCP/wiki/About-Pool-Sizing
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Art of README
You reminded me of the HikariCP library and it’s documentation: Clear and simple with references to other libraries trying to accomplish the same thing. It is not in the closure space though.
https://github.com/brettwooldridge/HikariCP
What are some alternatives?
Ktorm - A lightweight ORM framework for Kotlin with strong-typed SQL DSL and sequence APIs.
c3p0 - a mature, highly concurrent JDBC Connection pooling library, with support for caching and reuse of PreparedStatements.
spring-boot-r2dbc - An example implementation of Spring Boot R2DBC REST API with PostgreSQL database.
Vibur DBCP - Vibur DBCP - concurrent and dynamic JDBC connection pool
JDBI - The Jdbi library provides convenient, idiomatic access to relational databases in Java and other JVM technologies such as Kotlin, Clojure or Scala.
Flyway - Flyway by Redgate • Database Migrations Made Easy.
jOOQ - jOOQ is the best way to write SQL in Java
Presto - The official home of the Presto distributed SQL query engine for big data
H2 - H2 is an embeddable RDBMS written in Java.
FlexyPool - FlexyPool adds metrics and failover strategies to a given Connection Pool, allowing it to resize on demand.
Apache Hive - Apache Hive
Apache Phoenix - Apache Phoenix