fsync
AssessTechniques
A disk flush operation that ensures committed data is persisted to storage.
Why it's here
Placed in Assess: 1 article(s) of evidence from 1 source(s), led by research-stage coverage, with 1 in the last 30 days. Confidence 24%. Low accumulated evidence, so it defaults conservatively pending more signal.
Evidence (1)
- 6Hacker News·7/24/2026researchPostgres LISTEN/NOTIFY can scale with the right design
A blog post argues that Postgres LISTEN/NOTIFY is often misunderstood: its poor reputation comes from a global lock and commit-order guarantees, not from an inherent inability to scale. By changing the stream design, the author reports reaching 60K writes per second on a single Postgres server with millisecond latency.