Elasticsearch parent child joinSometimes we need to use parent/child join indexing in Elasticsearch. This code and architecture are written to help a little.Mar 1, 2021Mar 1, 2021
Change Kubelet directory in RancherI added Fluentd as sidecar to handle multi-line log message.Feb 1, 2021Feb 1, 2021
Elasticsearch Index Management with Rack AttributeWe have 2 kinds of queries. - One is normal queries (24 hours) - Another is batch queries from Spark Job. (3 hours)Feb 1, 2021Feb 1, 2021
Rancher FQDN SettingWhen run kubectl command, it goes to Rancher node by default.Mar 10, 2020Mar 10, 2020
leetcode : longest palindromic substringFirstly, I tried to solve this as brute force. It is O(n³). And it makes time-out -_-.Jan 5, 2020Jan 5, 2020
Simple Springboot Service to get data from S3I saved data to S3. But I have to hide it from users. So, I created simple Springboot web service to enable look up S3 list and objects.Jun 23, 2019Jun 23, 2019