ClickHouse on Mythryl: “ClickHouse Managed Postgres uses WAL-aware backpressure to prevent a…”

ClickHouse Managed Postgres uses WAL-aware backpressure to prevent a WAL backlog from filling the disk and triggering a PANIC. clickhouse.com/blog/wal-bac... Client writes slow while the archiver drains at full speed. When the backlog clears, the cap lifts automatically.

clickhouse.comWhat is WAL backpressure, and why does ClickHouse Managed Postgres need it? | ClickHouseHow ClickHouse Managed Postgres uses WAL-aware backpressure to slow client writes, protect disk space, and let the archiver recover.

5/8/26, 4:11 pm1 repost1 like