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Vol. I · No. 251
Mon · 8 Jun
A Daily Lexicon of Trustworthy Data
The Lexicon

005·75

dead-letter queue

/dɛd ˈlɛt.ər kjuː/ - n.

1 [colloq.] Where the records that could not be processed go to be inspected, in the same sense that a junk drawer is a filing system.Keep. Punchy.This is the problem.

Working definition

2. A holding location for messages or records a pipeline could not process, set aside for inspection rather than discarded.

Filed
See also
  • idempotencyThe property everyone assumed the job had until the day it ran twice.
  • replayLiving the same afternoon again, this time with the join written correctly.
  • stream processingReal-time delivery of a number no downstream meeting is scheduled to act on for another quarter.