Jeongho Park jeongho
jeongho
/ postgres-scalable-sequence.sql
Created
January 22, 2021 02:00
postgres-scalable-sequence.sql
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| --# postgresql 12 high availability cookbook ch14: creating a scalable nextval replacement | |
| --## this example has 2048 shards (schemas) and 2048 unique values per millisecond (seq % 2048) | |
| --# ref: [Sharding & IDs at Instagram](https://instagram-engineering.com/sharding-ids-at-instagram-1cf5a71e5a5c) | |
| CREATE SCHEMA shard; | |
| CREATE SEQUENCE shard.table_id_seq; | |
| CREATE OR REPLACE FUNCTION shard.next_unique_id( | |
| shard_id INT | |
| ) |
jeongho
/ haproxy_ssl_termination_springboot_backend.cfg
Last active
October 27, 2021 10:12
HAProxy SSL Termination CORS
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| # haproxy -v | |
| # HA-Proxy version 2.3.14-83c5b44 2021/09/07 - https://haproxy.org/ | |
| # Status: stable branch - will stop receiving fixes around Q1 2022. | |
| # Known bugs: http://www.haproxy.org/bugs/bugs-2.3.14.html | |
| # Self-signed SSL certificate | |
| # https://gridscale.io/en/community/tutorials/haproxy-ssl/ | |
| # openssl req -nodes -x509 -newkey rsa:2048 -keyout /etc/ssl/private/test.key -out /etc/ssl/private/test.crt -days 3650 | |
| # writing new private key to '/etc/ssl/private/test.key' | |
| # ----- |
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