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Orchestration functions live in one process-wide map; two Runtime objects that register the same name share one function

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Évaluation

Difficulté
4/5
Temps estimé
3-5 jours
Accessibilité débutants
58/100
Type d'issue
Bug
Clarté
Clairement spécifiée
Activité
Active
Stack technique
javascript

Piste de recherche

Start in lib/duroxide.js at the module-level map, registerOrchestration, registerOrchestrationVersioned, and createGenerator. Run the two-Runtime reproduction using separate SQLite stores and trace how each Runtime registers its create callback. Done means identical orchestration names can resolve to different functions per Runtime without changing activity behavior or causing cross-runtime replay failures.

Rédigé par le modèle d'indexation à partir du texte de l'issue.

Description

bug

Summary

registerOrchestration stores the generator function in a module-level Map, keyed by name or by name@version. Every Runtime in the process shares that map. If two Runtime objects register the same orchestration name, both run the function that was registered last.

Where

Reproduction

const pA = await SqliteProvider.open('sqlite:/tmp/a.db');
const pB = await SqliteProvider.open('sqlite:/tmp/b.db');
const rtA = new Runtime(pA);
const rtB = new Runtime(pB);
rtA.registerOrchestration('Greet', function* () { return 'from runtime A'; });
rtB.registerOrchestration('Greet', function* () { return 'from runtime B'; });
await rtA.start();
await rtB.start();

const cA = new Client(pA);
await cA.startOrchestration('on-a', 'Greet', null);
const a = await cA.waitForOrchestration('on-a', 10000);
// The instance is in store A. Only runtime A can run it.
// a.output is "from runtime B".

Activities do not have this problem. Each Runtime passes its activity callbacks to its own native runtime.

Impact

  • Two runtimes in one process cannot use the same orchestration name with different code. Examples are one runtime per store or per tenant, and two test fixtures in one test process. The wrong code runs, and there is no error.
  • If the two functions differ, a replay can also fail with a nondeterminism error.

Suggested fix

Keep the map per Runtime. For example, each Runtime registers its own create callback, and that callback looks up the function in the map of its Runtime.

Tracked in microsoft/duroxide#55.

Langage dominant
JavaScript
Étoiles
36
Forks
20
Merge moyen
20 h 52 min
PR mergées (30 j)
4

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