Fast ingestion is what QuestDB is known for. Getting the data back out at the same speed was the harder problem, and for years the answer was the PostgreSQL wire protocol, which was never designed for it.
QuestDB 10.0 closes that gap, and speeds up the write side on the way past. QWP, the QuestDB Wire Protocol, is a binary columnar protocol over WebSocket that handles both writes and reads from a single client: around 3.6x faster than the InfluxDB Line Protocol (“ILP”) for ingestion over a network, and query results streaming into Apache Arrow at 220 million rows a second.
There is a good deal more in the release. Live views arrive in beta, the Web Console gains notebooks that a coding agent can drive, ALTER COLUMN TYPE works on Parquet partitions, and the storage engine gains the foundations that QuestDB Enterprise 4.0 builds cold storage on.
More info at QuestDB 10.0: QWP, one binary streaming protocol for writes and Arrow reads | QuestDB