specific method · filed under software implementation
Write-ahead log
A token-granular log maintained for each generation request.
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How sources treat it
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Evidence
1 span quoted from the sources, strongest treatment first.
we implement a token-granular Write-Ahead Log (WAL) for each generation request.
usedsoftware implementationin DeepSeek-V4DeepSeek
Filed alongside
Other methods under software implementation :: infrastructure service.
Automatic provider failoverCustom placement engineDeepSeek Elastic Compute (DSec)Dependency unificationDurable peer mailboxEnd-to-end lineageFresh-clone repository sanitizationHTTP/HTTPS sidecar proxyIn-house batch schedulerIncremental sandbox checkpointing and resumptionLocal container-image cachingModel FactoryMooncakeNeMo GuardrailsNeMo SwitchyardPer-node pooling of initialization actorsRayReplacing short-lived Ray actors with tasksSandbox pause and resumeVendoring external dependenciesZ3 SMT solver integration