Google App Engine is it expensive for me

I have been using a dedicated server for a very long time. I tried a cloud solution around 6 years ago. It was very expensive, and this year I decided to test cloud again. I have a spring boot application which needs 2gb ram and very small cpu usage, not much IO. I pay 30 euro(25.76 Pound sterling) for monthly dedicated server from hetzner server auction https://www.hetzner.com/sb And I registered for Google Cloud and used AppEngine https://cloud.google.com/appengine took me couple of hours to test and start my app, and I have 200 pounds(gift) from google cloud for the new user ...

June 27, 2021 · 1 min · Özkan Pakdil
Springboot vs Quarkus

Spring-boot VS Quarkus VS Golang

I set up this almost 1 year ago. And then I decided to add GO to this competition. And here it is a screen shot of HAProxy, it has been working for 350 days. looks like GO is the clear winner here in this list :) you can see the code of quarkus and go here

December 17, 2020 · 1 min · Özkan Pakdil

Availability in numbers

This is worth to note. Availability in numbers Availability is often quantified by uptime (or downtime) as a percentage of time the service is available. Availability is generally measured in number of 9s–a service with 99.99% availability is described as having four 9s. 99.9% availability - three 9s Duration Acceptable downtime Downtime per year 8h 45min 57s Downtime per month 43m 49.7s Downtime per week 10m 4.8s Downtime per day 1m 26.4s 99.99% availability - four 9s Duration Acceptable downtime Downtime per year 52min 35.7s Downtime per month 4m 23s Downtime per week 1m 5s Downtime per day 8.6s For more you can check https://github.com/donnemartin/system-design-primer ...

December 1, 2020 · 1 min · Özkan Pakdil

I have been procrastinating this upgrade for a long

I bought Huawei matebook x pro around 2 years ago Matebook X Pro i5 8GB+256GB (MACH-W19) SN: SNLBB18903000150 Applicable scope: Austria, Belgium, Bulgaria, Switzerland, Cyprus, Czech Republic, Germany, Denmark, Estonia, Spain, Finland, France, United Kingdom, Greece, Croatia, Hungary, Ireland, Iceland, Italy, Lithuania, Luxembourg, Latvia, Malta, Netherlands, Norway, Poland, Portugal, Romania, Sweden, Slovenia, Slovakia and I just check warranty Warranty period Out of warranty Expected warranty expiration date: 2020/9/23 First of all I am very happy with the performance and stability. This is my first personal windows 10 usage it needed 2 times resetting(we used to call it format but it changed obviously) after windows updates, Windows is not very famous about it`s stability, so I learn how to backup and make sure everything is okay in case of system failure. ...

November 26, 2020 · 2 min · Özkan Pakdil

Getting com.fasterxml.jackson.databind.exc.InvalidDefinitionException: No serializer found for class

I am trying to write small microservice benchmark for java, lately java microservice framework are popping up from every corner 😊 actually it is becoming little bit annoying, java world becoming js world. Anyway while writing some test I start getting the error below Internal Server Error Error handling d1e23f6f-3947-497a-be41-27ba9f7f4791-1, org.jboss.resteasy.spi.UnhandledException: com.fasterxml.jackson.databind.exc.InvalidDefinitionException: No serializer found for class com.mascix.ApplicationInfo and no properties discovered to create BeanSerializer (to avoid exception, disable SerializationFeature.FAIL_ON_EMPTY_BEANS) The stacktrace below has been reversed to show the root cause first. Click Here to see the original stacktrace com.fasterxml.jackson.databind.exc.InvalidDefinitionException: No serializer found for class com.mascix.ApplicationInfo and no properties discovered to create BeanSerializer (to avoid exception, disable SerializationFeature.FAIL_ON_EMPTY_BEANS) at com.fasterxml.jackson.databind.exc.InvalidDefinitionException.from(InvalidDefinitionException.java:77) at com.fasterxml.jackson.databind.SerializerProvider.reportBadDefinition(SerializerProvider.java:1277) at com.fasterxml.jackson.databind.DatabindContext.reportBadDefinition(DatabindContext.java:400) This was coming from quarkus example. I got same error in spring boot and micronaut, my first approach was configure the bean or singleton and give ...

August 19, 2020 · 1 min · Özkan Pakdil