HikariCP

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Available connections in HikariPool occassionaly drop to zero and not being renewed

9

Hello, We've encountered an issue with HikariPool when it runs out of connections and becomes compeletly unavailable as all requests would fail with an error: `SQLTransientConnection Exception: HikariPool-1 - Connection...

igv-git

Aborted connections

4

#### Environment ``` HikariCP version: 3.2.0 JDK version : 1.8.0_131 Database : MySQL Driver version : 5.1.39 Tomcat version: 8.5.33 I have switched half of our tomcat's to HikariCP and...

goodale

Configurable MaxLifeTime Variance

9

Refactoring MaxLifeTime connection variance to utilize a configurable setting rather than a static 2.5%. 2.5% will remain the default however developers can choose to override this for a more aggressive...

Avarga954

About the performance of Hikari in virtual threads

12

Q: we measured the pressure in the real production environment and found that Hikari performance varies greatly. Does this have anything to do with Hikari optimization? - jdk:open-jdk21 - spring...

ebony0319

I am trying to connect to AWS Aurora (Postgres) using HikariJNDIFactory on Tomcat 9. Below is the META-INF/context.xml of the war to be deployed in Tomcat. ```xml ``` Because there...

m-takata

Exemplars is only supported as part of [0.11.0 of simple-client](https://github.com/prometheus/client_java/releases/tag/parent-0.11.0). Without this change, a prometheus scraper might fail scraping metrics out of HikariCP correctly. Ending up in unhealthy state. Due...

Hajjiri

What do these two indicators hikaricp_connections_usage_seconds_sum and hikaricp_connections_usage_seconds_count mean? What problems can they reflect in the link? I can't find the relevant definitions of these two indicators in the code....

PragueJoker

HikariPool-1 - Connection org.postgresql.jdbc.PgConnection@6afe3c14 marked as broken because of SQLSTATE(08006), ErrorCode(0)

2

dhineshrollins123

Single line of code takes down all connections

1

I dont really know if this is a bug in Hikari, a bug with JetBrains Exposed library or with my code, but after some research i've tracked down my database...

holasoyender

Hikari doesnt open more than 10 connections, even when maximumPoolSize and minimumIdle are greater than 10

2

Scenario: - HikariCP is configured via spring - maximumPoolSize is set to 30 - minimumIdle is set to 30 manually (or left unset) - Traffic is sent to server till...

ApoorvGuptaAi