Heimdall Data
A commercial database proxy with query caching, read/write splitting with replication lag detection, connection pooling, and failover for MySQL and other databases.
Heimdall’s proxy sits in front of the database, so applications only change the host and port they connect to. For MySQL it adds automated query caching and invalidation, read/write splitting that accounts for replication lag and transaction state, connection pooling, and automated failover, and it’s documented for Amazon RDS, Aurora, and Azure Database for MySQL. The company also offers a database PAM product.
It’s a commercial product, with a free trial.
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