If I get "local cache layer" correctly, it's possible. And it's even desired if you want to reduce the deployment burden. Here are some related codes on how we

If I get "local cache layer" correctly, it's possible. And it's even desired if you want to reduce the deployment burden. Here are some related codes on how we implement such a layer in GreptimeDB: * https://github.com/GreptimeTeam/greptimedb/blob/v0.7.0/src/object-store/src/layers/lru_cache.rs https://github.com/GreptimeTeam/greptimedb/blob/v0.7.0/src/o... * https://github.com/GreptimeTeam/greptimedb/blob/v0.7.0/src/mito2/src/sst/parquet/helper.rs https://github.com/GreptimeTeam/greptimedb/blob/v0.7.0/src/m...