Conrad Ludgate 87179e26b3 completely rewrite pq_proto (#12085) ...

libs/pqproto is designed for safekeeper/pageserver with maximum
throughput.

proxy only needs it for handshakes/authentication where throughput is
not a concern but memory efficiency is. For this reason, we switch to
using read_exact and only allocating as much memory as we need to.

All reads return a `&'a [u8]` instead of a `Bytes` because accidental
sharing of bytes can cause fragmentation. Returning the reference
enforces all callers only hold onto the bytes they absolutely need. For
example, before this change, `pqproto` was allocating 8KiB for the
initial read `BytesMut`, and proxy was holding the `Bytes` in the
`StartupMessageParams` for the entire connection through to passthrough.

2025-06-01 18:41:45 +00:00

..

mod.rs

completely rewrite pq_proto (#12085)

2025-06-01 18:41:45 +00:00

parquet.rs

completely rewrite pq_proto (#12085)

2025-06-01 18:41:45 +00:00