Kaushik Iska: What is direct I/O, and why does ClickHouse Managed Postgres use it for backups?

ClickHouse Managed Postgres uses direct I/O and stripe-sized reads when backing up databases to object storage. The approach avoids placing backup data in Linux’s page cache, helping protect memory available to queries and their latency.

2 sources Published Updated

Image: ClickHouse Blog

Coverage 2 publishers

  1. ClickHouse Blog

    What is direct I/O, and why does ClickHouse Managed Postgres use it for backups?

  2. Planet PostgreSQL

    Kaushik Iska: What is direct I/O, and why does ClickHouse Managed Postgres use it for backups?

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