ydb/library/cpp, branch main

YT-28451: Migrate library/cpp/yt consumers to YT_TLOG_* API

2026-07-25T08:33:05Z

commit_hash:6ab9c84d85a668a8047593f61b5c9e1a7be60377

New version of the tld SKIP_CHECK SKIP_REVIEW

2026-07-25T00:44:22Z

commit_hash:0a10662cb824dede898d600662723224e893c38b

YT-28451: Fix -Wdangling-else in YT_TLOG_*_IF / _UNLESS macros

2026-07-24T10:57:25Z

commit_hash:ebf99d345c17fbfedf78ef06424c615c900689f9

Intermediate changes

2026-07-22T14:56:37Z

commit_hash:8521bae955ae15bf7265f8bb58ebe126a62841ea

add methods ForEach() and ForEachReverse() to TPagedVector for fast iteration over elements

2026-07-21T15:07:53Z

commit_hash:3cde1a78c5f1af49a50168bbc85c6f9a8f28ad73

Make THROW_ERROR_EXCEPTION_UNLESS/IF chainable with error attributes

2026-07-21T06:52:42Z

commit_hash:4e76ece0b75ab787ed04b6be5f183cecbf9b8167

fix fork deadlock

2026-07-20T16:12:08Z

Python-клиент (обертка над С\+\+ клиентом) UA с fork support виснет в `fork()` (\>50%): `TClientSession::CheckGrpcCallInactivity` (inactivity-watchdog на потоке gRPC completion-queue) брал сессионный лок `with_lock` не проверив что не идет форк. Пока pthread_atfork-обработчик `TClient::PreFork` держит этот лок в `WaitAll()`, поллер застревает на CheckGrpcCallInactivity -\> сессия не закрывается -\> `fork()` не завершается. Фикс: `CheckGrpcCallInactivity` захватывает лок `TryAcquire` \+ выход по `ForkInProgress` - как уже делает `Poll()` commit_hash:79b1f727d8ecc9b54e386b586f4f49bf1d6512d8

Make Ascii-related functions and StripString() constexpr

2026-07-17T19:23:20Z

commit_hash:ff7ca9a2428930638288f8c0e92a303b8f620063

Unpoison use-after-dtor access to ref counter

2026-07-17T10:21:08Z

Two scenarios addressed: - Access to ref counters after explicit destructor of an object - Access to vptr for upcast of an already destroyed object commit_hash:a8f27500111817f325832d006feb3ce6c3c830f1

YT-28451: Add tagged logging API and opaque event payload

2026-07-17T09:07:46Z

Replace `TLogEvent::MessageRef` with an opaque `Payload` that carries the message together with structured key/value tags, deferring tag rendering to the consumer (logging thread). - Add the `TTaggedPayloadWriter`/`TTaggedPayloadReader` codec (`NDetail`), with a per-thread chunk-cached builder so tagged logging does no per-message heap allocation. - Model the payload as a typed `TLogEventPayload` — a `std::variant` of the opaque strong typedefs `TTaggedLogEventPayload` and `TStructuredLogEventPayload` (each over `TSharedRef`). The active alternative identifies the event kind, so the separate `ELogMessageKind` enum and `TLogEvent::MessageKind` field are removed; consumers dispatch via `std::holds_alternative`/`std::get` instead of a tag. - Add the fluent `YT_TLOG_*` API: `YT_TLOG_INFO("Message").With(key, value)` and `.With(key, value, "%spec")`; disabled levels skip argument evaluation. - Add well-known tags: `.With(value)` attaches a value under a statically known key resolved by ADL (e.g. `.With(error)` for the `Error` tag). - Teach the plain-text and structured formatters to render tags; add the `enable_native_tags` knob to emit tags into a nested structured attribute. - Add producer-side benchmarks. The tagged API is cheaper than `YT_LOG_*` for tagged calls and on par for tag-free ones: #| || **Producer call** | **`YT_LOG_*`** | **`YT_TLOG_*`** | **Δ** || || no tags | 81 ns | 82 ns | +2% || || 1 tag | 124 ns | 88 ns | -29% || || 2 tags | 140 ns | 101 ns | -28% || || 3 tags | 372 ns | 283 ns | -24% || |# -- #| || **![](https://nda.ya.ru/t/mAiQIjHx7Mm3JC =30x) Echo tests** || |# commit_hash:70efc90e5c2b71e5311415a4e4508db42ff28971