Redis: Stream Producer Leak Fix
A single focused fix addresses an I D M P producer leak when an X Add write is rejected. With no broader pattern in activity, pull request 15894 is today's highest-impact change for stream reliability.
Duration: PT2M10S
Episode overview
This episode is a short developer briefing from Redis.
It explains recent repository work in plain language.
- Show: Redis
- Published: 2026-10-02T13:15:01Z
- Audio duration: PT2M10S
Transcript excerpt
This excerpt keeps the crawler page concise. Listen to the episode or use the RSS feed for the full update.
Good morning, it's Friday, October 2nd, 2026, and this is your Redis developer briefing.
No wider pattern in today's activity — just one focused correctness fix. But it addresses a resource leak that matters for long-running stream workloads, making it the highest-impact item by default.
The issue is in how rejected stream writes are handled, covered in pull request 15894, linked to issue 15840. When an X Add command runs with I D M P enabled, the system creates or fetches a producer record early, before error checks. The stream key, however, is only registered for tracking after an entry has been…
If the write is rejected, the producer object is already created but the key never makes it into the tracked set. Expired-entry cleanup only scans that tracked set, so the orphaned producer is invisible to cleanup and never reclaimed.
For developers, the impact is reliability and memory stability. A single rejected write is harmless, but services that see repeated rejected writes could accumulate leaked producer state over time, with no automatic recovery. That is especially relevant for high-throughput stream pipelines where validation failures…
The fix closes the rejected-path leak,…
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