We’re trying to use Badger as a storage solution for billions of map tiles (10–100 KB PNG files). I believe the VLOG approach offers significant advantages for this use case. However, the default configuration stores these tiles in SSTs due to the 1 MB ValueThreshold.
Initially, we were unsure what ValueThreshold value to use, so we set it to 0, meaning no values should be stored in SSTs. After making this change, no SST files were generated, and Badger started losing data after restarts. When I adjusted the ValueThreshold to 64, everything returned to normal.
Is this behavior expected? What is the minimum ValueThreshold required to prevent data loss after restarts?