Posts by Category

Redis

ElastiCache with keyspace event

less than 1 minute read

Problems when using ElastiCache with keyspace event faced this error when I tried to use notify-keyspace-events option in spring data redis. Caused by: org.s...

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DevOps

Prometheus JVM Spring metric

3 minute read

How to get centralize JVM & Spring metric using Prometheus Amazon managed prometheus and grafana might be a good option for monitoring when you are AWS E...

Minikube nginx ingress local setup

1 minute read

Minikube nginx ingress on local mac I was using minikube on mac trying to local test. I faced problem accessing local ingress after I set up. My configuratio...

An error when installing jenkins on Amazon Linux

less than 1 minute read

An error when installing jenkins on Amazon Linux based EC2 I faced following error when I tried “sudo yum install jenkins” ... You can remove cached packages...

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Spring

Prometheus JVM Spring metric

3 minute read

How to get centralize JVM & Spring metric using Prometheus Amazon managed prometheus and grafana might be a good option for monitoring when you are AWS E...

ElastiCache with keyspace event

less than 1 minute read

Problems when using ElastiCache with keyspace event faced this error when I tried to use notify-keyspace-events option in spring data redis. Caused by: org.s...

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SpringBoot

How to collect JVM heap dump in Kubernetes

3 minute read

Having trouble collecting JVM heap dump from Kubernetes? You need to use PV(Persistent Volume) to keep data since volumes are ephemeral in Kubernetes. If yo...

How to make docker build time faster

2 minute read

Having trouble with long build time of your docker image? Waiting for a long build time is quite difficult to tolerate. When you are building a docker image...

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Docker

How to make docker build time faster

2 minute read

Having trouble with long build time of your docker image? Waiting for a long build time is quite difficult to tolerate. When you are building a docker image...

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k8s

Prometheus JVM Spring metric

3 minute read

How to get centralize JVM & Spring metric using Prometheus Amazon managed prometheus and grafana might be a good option for monitoring when you are AWS E...

Minikube nginx ingress local setup

1 minute read

Minikube nginx ingress on local mac I was using minikube on mac trying to local test. I faced problem accessing local ingress after I set up. My configuratio...

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JVM

How to collect JVM heap dump in Kubernetes

3 minute read

Having trouble collecting JVM heap dump from Kubernetes? You need to use PV(Persistent Volume) to keep data since volumes are ephemeral in Kubernetes. If yo...

Prometheus JVM Spring metric

3 minute read

How to get centralize JVM & Spring metric using Prometheus Amazon managed prometheus and grafana might be a good option for monitoring when you are AWS E...

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MySQL

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DB

DB Isolation Level

2 minute read

What is isolation level? Isolation describes how changes applied by concurrent transactions are visible to each other. There are four types of isolation...

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ElastiCache

ElastiCache with keyspace event

less than 1 minute read

Problems when using ElastiCache with keyspace event faced this error when I tried to use notify-keyspace-events option in spring data redis. Caused by: org.s...

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AWS

An error when installing jenkins on Amazon Linux

less than 1 minute read

An error when installing jenkins on Amazon Linux based EC2 I faced following error when I tried “sudo yum install jenkins” ... You can remove cached packages...

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Jenkins

An error when installing jenkins on Amazon Linux

less than 1 minute read

An error when installing jenkins on Amazon Linux based EC2 I faced following error when I tried “sudo yum install jenkins” ... You can remove cached packages...

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minikube

Minikube nginx ingress local setup

1 minute read

Minikube nginx ingress on local mac I was using minikube on mac trying to local test. I faced problem accessing local ingress after I set up. My configuratio...

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Java

Cannot access SunJCE error in JDK11 above

less than 1 minute read

SunJCE error when using it in JDK 11 or above. How to solve it when using Jib I faced error below when I migrated from dockerfile to jib. java.lang.IllegalAc...

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JDK17

Cannot access SunJCE error in JDK11 above

less than 1 minute read

SunJCE error when using it in JDK 11 or above. How to solve it when using Jib I faced error below when I migrated from dockerfile to jib. java.lang.IllegalAc...

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Prometheus

Prometheus JVM Spring metric

3 minute read

How to get centralize JVM & Spring metric using Prometheus Amazon managed prometheus and grafana might be a good option for monitoring when you are AWS E...

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Helm

Prometheus JVM Spring metric

3 minute read

How to get centralize JVM & Spring metric using Prometheus Amazon managed prometheus and grafana might be a good option for monitoring when you are AWS E...

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metric

Prometheus JVM Spring metric

3 minute read

How to get centralize JVM & Spring metric using Prometheus Amazon managed prometheus and grafana might be a good option for monitoring when you are AWS E...

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CloudFront

Static serving SPA with CloudFront

less than 1 minute read

Connecting domain to cloudfront with route53 It is possible that your cloudfront is not shown on the list when you trying to connect your domain using AWS...

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S3

Static serving SPA with CloudFront

less than 1 minute read

Connecting domain to cloudfront with route53 It is possible that your cloudfront is not shown on the list when you trying to connect your domain using AWS...

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Frontend

Static serving SPA with CloudFront

less than 1 minute read

Connecting domain to cloudfront with route53 It is possible that your cloudfront is not shown on the list when you trying to connect your domain using AWS...

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React

Static serving SPA with CloudFront

less than 1 minute read

Connecting domain to cloudfront with route53 It is possible that your cloudfront is not shown on the list when you trying to connect your domain using AWS...

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SPA

Static serving SPA with CloudFront

less than 1 minute read

Connecting domain to cloudfront with route53 It is possible that your cloudfront is not shown on the list when you trying to connect your domain using AWS...

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Spring Boot

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System Design

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Websocket

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JIB

How to make docker build time faster

2 minute read

Having trouble with long build time of your docker image? Waiting for a long build time is quite difficult to tolerate. When you are building a docker image...

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Kubernetes

How to collect JVM heap dump in Kubernetes

3 minute read

Having trouble collecting JVM heap dump from Kubernetes? You need to use PV(Persistent Volume) to keep data since volumes are ephemeral in Kubernetes. If yo...

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EFS

How to collect JVM heap dump in Kubernetes

3 minute read

Having trouble collecting JVM heap dump from Kubernetes? You need to use PV(Persistent Volume) to keep data since volumes are ephemeral in Kubernetes. If yo...

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EKS

How to collect JVM heap dump in Kubernetes

3 minute read

Having trouble collecting JVM heap dump from Kubernetes? You need to use PV(Persistent Volume) to keep data since volumes are ephemeral in Kubernetes. If yo...

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Test

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Multi-module

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gradle

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JAVA

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Async

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AutoIncrement

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Index

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Redisson

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Redlock

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Distributed Lock

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RDB

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Concurrency

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Lock

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