I have been working at the rapid changing software development field over 19 years as a software engineer, architect, devops. I am an expert in designing and implementing scalable architectures to deal with large transactions and massive requests on e-commerce and messaging services. I am skillful at using opensource technologies like Node.js, Nginx, Redis, Cassandra, ELK and Kafka to secure site reliability. I also have proficiency in C#, Java, Javascript, Python and Go.
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Oct 27, 2022 路 1 min read 路 Ansible gives powerful ways to manage a lot of EC2 instances and Cloud infrastructures with YAML. This snippet would be helpful to gather host informations such as private_ip_address even instances are added by EC2 autoscaling in AWS. # inventory.aws...
Join discussionOct 27, 2022 路 1 min read 路 I recently found Golang suffers JSON serialization for emoji like 馃榾. The main reason was QuoteToASCII() method converted emoji into utf16 representation like U+00000000 which could not be serialized in JSON. The solution is dividing emoji into high ...
Join discussionOct 27, 2022 路 1 min read 路 AWS SDK provides an easy way to retrieve EC2 instances which is associated with ELB. https://docs.aws.amazon.com/code-samples/latest/catalog/code-catalog-javav2-example_code-ec2.html You only need a couple of APIs to get it done. First, get a ELB ...
Join discussionOct 27, 2022 路 1 min read 路 Code Igniter is a powerful PHP framework for building full featured web applications. But, I found that storing sessions to database causes blocking by table locking. Using redis session can mitigate the blocking problem and relieve user experience e...
Join discussionOct 27, 2022 路 2 min read 路 ElasticAPM agent for python doesn't support RedisCluster properly so custom instrumentation should be implemented to enable RedisCluster logging. apm 4.x instrumentation : https://github.com/elastic/apm-agent-python/tree/4.x/elasticapm/instrumentati...
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