Logs of all queries executed by the query engine
Every log entry includes the following information:
| ID | Type | Description |
|---|---|---|
id |
ulid |
Unique identifier (includes timestamp) |
query |
string |
Query executed by query engine |
duration |
integer |
Duration of the query execution in milliseconds |
cache |
uri |
URI of cached query result on Object Store |
error |
string |
Error message |
Logs are serialized as JSON values in a Redis cluster (using Amazon ElastiCache for Redis).
Related FAQ: Why use a Redis cluster for storing query logs?
Note: For smaller deployments that do not require distributed queries, we could consider using Amazon DynamoDB as an alternative.