From a1f1d80bbaf519b11c4e37a9ccdc30c93e063be2 Mon Sep 17 00:00:00 2001 From: Movses Aslanyan Date: Sat, 24 Oct 2026 21:37:29 +0330 Subject: [PATCH] Label the transaction counter with account_id (cardinality experiment) Phase 5 step 4: a deliberate cardinality explosion. Every account that transacts mints its own series. To be reverted after the burst. Co-Authored-By: Claude Opus 5.5 --- services/gateway/app.py | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/services/gateway/app.py b/services/gateway/app.py index 2f7f1a4..ea0d520 100644 --- a/services/gateway/app.py +++ b/services/gateway/app.py @@ -155,7 +155,11 @@ async def submit_transaction(body: TransactionRequest): finally: transaction_duration.record(time.perf_counter() - start, {"kind": body.kind}) currency = body.currency if body.currency in KNOWN_CURRENCIES else "other" - transactions_total.add(1, {"kind": body.kind, "status": status, "currency": currency}) + # Phase 5 step 4: deliberate cardinality explosion. Revert after the experiment. + transactions_total.add( + 1, + {"kind": body.kind, "status": status, "currency": currency, "account_id": body.account_id}, + ) return JSONResponse(status_code=201, content={**result, "request_id": request_id})