Move compute-heavy endpoints off event loop on to worker threads #2310
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| mainRouter.post(V2_IDENTITY_BUCKETS.toString()).handler(bodyHandler).handler(auth.handleV1( | ||
| rc -> encryptedPayloadHandler.handle(rc, this::handleBucketsV2), Role.MAPPER)); | ||
| rc -> encryptedPayloadHandler.handleAsync(rc, this::handleBucketsV2Async), Role.MAPPER)); | ||
| mainRouter.post(V2_IDENTITY_MAP.toString()).handler(bodyHandler).handler(auth.handleV1( |
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You don't have to do all this.. please just swap the existing handler with blockingHandler, ordered = false: https://vertx.io/docs/apidocs/io/vertx/ext/web/Route.html#blockingHandler(io.vertx.core.Handler,boolean)
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Why I didn’t use blockingHandler
- It runs on Vert.x’s default worker pool, and it cannot be configured to run on a different pool
- The default worker pool also handles store sync operations (e.g., RotatingStoreVerticle and CloudSyncVerticle from uid2 shared), some of which are IO bound
- Without a way to isolate these tasks, IO bound tasks might block the worker threads, slowing down processing of batch requests
- This interference would also distort queue metrics (both wait time and queue length), as the queue would reflect not only request load but also other background tasks. That would make alerts (and potential HPA scaling based on them) flakier
…ol' of github.com:IABTechLab/uid2-operator into srm-UID2-6480-move-compute-heavy-endpoints-to-worker-pool
…ol' of github.com:IABTechLab/uid2-operator into srm-UID2-6480-move-compute-heavy-endpoints-to-worker-pool
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