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議程7 - pgcapture - CDC framework for PostgreSQL in Go - Kenny Chen / Benjamin Tsai
tags:
GopherDay2024
Agenda
Slido 連結
[投影片連結]
github.com/replicase/pgcapture
key question:feeds 更新即時性/一致性
功能:追蹤的最新文章列表,要夠即時
PGCapture
PG -> pg2pulsar -> Apache Pulsar (Message broker) -> send change events to Gateway -> gRPC to Consumer
Debouncing
可能會針對同一個 type 收到很多 change event e.g. 有一篇文章收到很多讚,將 bouncing 的 event group 成一筆,再送給 Consumers。
Gateway
pg2pulsar & pulsar2pg
原理為:透過 tx 過程產生的 write-ahead log 在最後 commit 時才寫進 disk 的機制
pgcapture