45Last night's failover left both database nodes accepting writes for four minutes. Finance wants to know which orders are real.▼hard★ EssentialNewJPMorgan ChasePhonePeOracle◆ premiumSplit-brain writes are a fencing failure first and a data problem second. Freeze writes, read the divergence boundary from replication positions, and let the payment ledger arbitrate reality.Open full answer →
29PSP settlement files and your internal ledger never fully agree. Design reconciliation that finds and fixes every break.▼hard★ EssentialNewRazorpayPhonePeStripe◆ premiumListing the match job is table stakes. The scored material is the breaks taxonomy, the suspense account, and why every match must be replayable from immutable raw files.Open full answer →