AWS Auroraでマルチマスター機能がプレビュー公開されました。# レジュメ https://aws.amazon.com/jp/about-aws/whats-new/2017/11/sign-up-for-the-preview-of-amazon-aurora-multi-master/プレビューはMySQLの互換エディションでのみ利用可らしいです。 マ…

Recently, there was a problem that Aurora database had been restarting at the same time on daily. Since at the time batch with a huge query had processed, so we guessed it was the cause of restarting Aurora. We asked AWS Technical Support …

My external Mysql, which means non-AWS-RDS, has a large capacity records in it, and have been replicating between master and slave which are both external Mysql.It's difficult and too annoying about its slowness to dump data and to import …