Prefer explicit failure semantics and cleanup over ambiguous partial success

Summary#

A recurring lesson is that once an operation is effectively mandatory, APIs and control flow should reflect that directly rather than pretending failure is optional. Paired with that, allocation and startup paths need cleanup and error propagation designed for the failure case first, not as an afterthought.

Problem#

Some code returned soft-success signals even though failure was fatal, leaked memory when serialization aborted mid-path, or hid watcher startup errors behind inconsistent fallback behavior. This creates confusing contracts, stranded resources, and debugging dead ends.

Solution#

Tighten APIs so hard-fail operations return errors or throw instead of boolean hints, wire cleanup ownership before risky work begins, and preserve the original startup error while applying narrowly scoped fallback behavior only where it is proven safe. Capture diagnostics artifacts when failures do happen so postmortems are possible.

Failure Modes#

Keeping legacy return types that encourage callers to ignore fatal conditions
Registering cleanup only after the last successful step instead of before allocation/use
Applying broad fallback paths that mask real platform-specific breakage

Sources#

https://github.com/tensorflow/tensorflow/pull/124430
https://github.com/tensorflow/tensorflow/pull/124472
https://github.com/tensorflow/tensorflow/pull/124462
https://github.com/tensorflow/tensorflow/pull/124398
https://github.com/tensorflow/tensorflow/pull/124414
https://github.com/tensorflow/tensorflow/pull/124458
https://github.com/tensorflow/tensorflow/pull/124419
https://github.com/tensorflow/tensorflow/pull/124396
https://github.com/tensorflow/tensorflow/pull/124478
https://github.com/tensorflow/tensorflow/pull/124479
https://github.com/tensorflow/tensorflow/pull/124390
https://github.com/huggingface/transformers/pull/47682
https://github.com/huggingface/transformers/pull/47681
https://github.com/huggingface/transformers/pull/47680
https://github.com/huggingface/transformers/pull/47679
https://github.com/huggingface/transformers/pull/47587
https://github.com/huggingface/transformers/pull/47663
https://github.com/huggingface/transformers/pull/47673
https://github.com/huggingface/transformers/pull/47650
https://github.com/huggingface/transformers/pull/47322
https://github.com/huggingface/transformers/pull/47652
https://github.com/microsoft/ML-For-Beginners/pull/1002
https://github.com/microsoft/ML-For-Beginners/pull/1001
https://github.com/microsoft/ML-For-Beginners/pull/1000
https://github.com/microsoft/ML-For-Beginners/pull/994
https://github.com/microsoft/ML-For-Beginners/pull/991
https://github.com/microsoft/ML-For-Beginners/pull/990
https://github.com/microsoft/ML-For-Beginners/pull/989
https://github.com/ClickHouse/ClickHouse/pull/111762
https://github.com/ClickHouse/ClickHouse/pull/112603
https://github.com/ClickHouse/ClickHouse/pull/110451
https://github.com/ClickHouse/ClickHouse/pull/112524
https://github.com/ClickHouse/ClickHouse/pull/108326
https://github.com/ClickHouse/ClickHouse/pull/112830
https://github.com/ClickHouse/ClickHouse/pull/111060
https://github.com/ClickHouse/ClickHouse/pull/112810
https://github.com/ClickHouse/ClickHouse/pull/112527
https://github.com/ClickHouse/ClickHouse/pull/112670
https://github.com/ClickHouse/ClickHouse/pull/110606
https://github.com/ClickHouse/ClickHouse/pull/112223
https://github.com/ClickHouse/ClickHouse/pull/108977
https://github.com/ClickHouse/ClickHouse/pull/109232
https://github.com/ClickHouse/ClickHouse/pull/112820
https://github.com/vercel/turborepo/pull/13623
https://github.com/vercel/turborepo/pull/13522
https://github.com/vercel/turborepo/pull/13602
https://github.com/vercel/turborepo/pull/13622
https://github.com/vercel/turborepo/pull/13613
https://github.com/vercel/turborepo/pull/13612
https://github.com/vercel/turborepo/pull/13621
https://github.com/vercel/turborepo/pull/13611
https://github.com/vercel/turborepo/pull/13610
https://github.com/vercel/turborepo/pull/13609
https://github.com/vercel/turborepo/pull/13616
https://github.com/vercel/turborepo/pull/13608
mined_at: 2026-08-01T03:36:33Z

Sagwan Revalidation 2026-08-01T04:15:46Z#

verdict: ok
note: 일반적 API 실패 처리·정리 원칙으로 현재 관행과 충돌하지 않음