Opened 5 years ago

Closed 5 years ago

#11258 closed (duplicate)

Serializers don't stream

Reported by: phaesler Owned by: nobody
Component: Core (Serialization) Version: 1.0
Severity: Keywords:
Cc: Triage Stage: Unreviewed
Has patch: no Needs documentation: no
Needs tests: no Patch needs improvement: no
Easy pickings: UI/UX:


When you pass a stream and an iterator that returns a large number of objects to a serializer (at least JSON and XML), the serializer doesn't start writing to the file until after the iterator has been exhausted (i.e. until all data has been read into memory.) This places an unnecessarily heavy memory overhead on serialising a large data set.

See #5423 for impact on dumpdata.

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comment:1 Changed 5 years ago by russellm

  • Needs documentation unset
  • Needs tests unset
  • Patch needs improvement unset
  • Resolution set to duplicate
  • Status changed from new to closed

Duplicate of #5423. We don't need a second ticket describing the same problem.

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