KMKrishnam Murarkainedilec-engineering.hashnode.dev·1d ago · 4 min readTrace sampling is an evidence policy, not a storage settingA trace sampling rule decides which investigations will have usable evidence later. It also decides which requests disappear from the tracing backend. That makes the choice between head and tail sampl00
KMKrishnam Murarkainedilec-engineering.hashnode.dev·Sep 28 · 4 min readDead-letter replay is a production write, not queue administrationDead-letter replay looks like queue administration and behaves like a production write. The handler that failed on a message may have done most of its work before it threw: charged a card, sent an ema01I
KMKrishnam Murarkainedilec-engineering.hashnode.dev·Sep 23 · 4 min readA message can pass SPF and DKIM and still fail DMARCSPF passes. DKIM passes. DMARC fails. That combination reads like a contradiction, and it is not one, because DMARC is not asking the question the other two answer. SPF authenticates the envelope iden00
KMKrishnam Murarkainedilec-engineering.hashnode.dev·Sep 21 · 3 min readRemove the code before you delete the flagA feature flag's expiry date is often wired straight to a deletion job. That has the order backwards. Deleting the configuration is the last step of a removal, not the trigger for one. The reason is t11M
KMKrishnam Murarkainedilec-engineering.hashnode.dev·Sep 17 · 2 min readA sitemap total is not a release checkA sitemap can contain three URLs before a release and three afterward while still shipping the wrong inventory. A count checks size. It does not check membership. Consider a synthetic inventory with p00
