Checker
Checker runs a background verification on employees just by exposing an API which companies can invoke.
Background checks have privacy obligations, legal obligations. You cant run background checks in any arbitary way. You have to rely on systems which may not be available at all hours of the day.
Complexity of versioning
How do we version systems which are in mid flight
YUM
https://www.youtube.com/watch?v=PcUWphfLyMA
Synchronous Workflows
Synchronous workflows are supported in Temporal
Shard Count
Shard count needs to be tuned for performance. Elastic search also helps in performance. 1000 task/sec per partition.