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Managed cloud database service‎ from Amazon Web Services, available for Postgres or MySQL.

2 votes
0 answers
604 views

Why is this DELETE causing my Aurora MySQL 5.7 instance to crash?

I have a large table (2.3TB of data, 1.9TB index, 33 billion rows). A user recently executed a DELETE statement (32k rows) against the table, which caused the server to eat up all memory and then fail …
Swechsler's user avatar
  • 143
0 votes
0 answers
6 views

Percona pt-query-digest vs. Performance Insights on AWS Aurora 3.x

Several years ago when I was running MySQL on-prem and then EC2, I found Percona pt-query-digest to be very useful to find poorly performing SQL in prod. It's been a while since I've used it. AWS Perf …
Swechsler's user avatar
  • 143
1 vote
2 answers
570 views

Automating MySQL replication using snapshots on AWS RDS (or Linux)

I'm currently working on a BASH script to build a new Aurora cluster based on the latest snapshot of an existing cluster, then set up MySQL replication from the old one to the new. In the past I've au …
Swechsler's user avatar
  • 143