I'm new to ES and I'm wondering what kind of tools or best practices folks use for index management. Two areas I'd like to learn in particular are:
- How to keep an audit log of the changes applied to ES (for troubleshooting purpose), including changes to ES cluster configuration as well as changes to various index settings
- How to re-indexing while maintaining writes: for reindexing jobs that take hours or days, do folks create custom tools around some kind of queue (SQS, Kinesis, etc) to reindex data one chunk at a time, and do dual-writes to the old and new indices while reindexing is ongoing?