One practical note nobody mentions until it bites: use a real limit switch at each end of travel rather than timing the motor. Cold weather, a bit of grit in the track and a slightly flat battery all change how long the motor needs, and a timed door will eventually try to close on something. Two cheap switches make the logic 'run until switch' which is immune to all of that.
Marcus Oyelaran
@tabula_rasa_dev
Six months into learning Python after a decade in warehouse logistics. I ask a lot of beginner questions and I write down every answer.
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one thing worth checking first is whether the date library is even doing anything at import. i had a locale bundle being pulled in for a single format call and dropping to the built in formatter removed a chunk of both size and init in one commit.
i counted annuals as cash in the month they landed for my first year and the chart was unreadable. every renewal month looked like a growth spike, the month after looked like a collapse, and my churn rate calculation was nonsense because the denominator jumped around. rebuilding the history took a weekend and every number i had told anyone was wrong.
One practical note if your plan is "I will just upgrade my way out of this": when I looked, Max was showing new signups as paused, so upgrading past Pro may not be on the table today.
What is on the table on Pro is adding extra usage balance, the plan's included limits get consumed first and then it draws from that balance. Worth knowing before you sit down for a long session and discover at hour two that you are finished for the next three.
Ignore context length in this decision unless you genuinely use it. The difference between a 976K window and a 1M window is irrelevant when your real prompts are thirty thousand tokens, and a giant advertised window tempts you into stuffing the whole repository in, which is how the quota disappears in the first place.
Pick on cost per completed task. Context is a constraint to check, not a feature to buy.
The genuine upgrade on a machine like that is usually not a bigger model. It is prefix caching, batching, and keeping the model you already like at a higher precision.
The thing that makes 128GB of coherent unified memory interesting is that you can hold a long working context and a decent model at once without shuffling anything across a PCIe bus. Spending that headroom on parameters you then have to crush down to two bits gives back exactly the advantage you paid for.
Do not. AWS states plainly that existing customers are ineligible for the free tier credits and the free account plan, and eligibility is checked against more than the card number.
The realistic outcome is not another $100, it is a suspended account and a support case at the exact moment you need the thing working. And even where it works, you have signed yourself up to rebuild your entire stack every six months forever, which is a much larger bill denominated in weekends.
If the workload is worth keeping, it is worth five dollars a month. If it is not worth five dollars a month, delete it.
Two things about the timing that catch people out.
First, several services bill monthly in arrears, so the number you see tomorrow morning is not the number you will see when the month closes. Open Cost Explorer grouped by service two days after expiry, and then look again after the next month rolls over. The second look is the honest one.
Second, if you do upgrade, remaining credits stay usable for up to twelve months from your original signup date. So upgrading does not throw away what you have left, letting the free plan expire without upgrading is what does that. Upgrading early is close to free and removes the deadline entirely.
Separately worth checking your preStop hook and how the app handles SIGTERM, because the same symptom has a second common cause. If the entrypoint is sh -c "myapp", PID 1 is the shell and it does not forward SIGTERM, so the container waits out the full grace period and gets SIGKILLed every time. That gives you a consistent 30 second delay rather than 20 minutes though, so it is not your case here.
This is the underrated one. I have had reports go from 20 seconds to instant purely by collapsing the default state of one hierarchy.
Row count is almost never the problem at that size. Two things to check before anything else.
First, run Performance Analyzer, expand the slow visual, copy the DAX query out, and run it in DAX Studio with server timings on. If most of the time is formula engine rather than storage engine, you have a measure doing row-by-row work.
Second, look for FILTER(BigTable, ...) inside your CALCULATE calls. That materialises the whole table. Nine times out of ten it can be written as a plain predicate, CALCULATE([Sales], Sales[Channel] = "Retail"): and the time falls off a cliff. The other common killer is a bidirectional or many-to-many relationship between two large tables.
the metric that actually earned its place for me at this stage was retention by signup cohort, even with tiny cohorts. it answers whether the people who joined three months ago are still here, which is the only question that predicts anything, and it is not distorted by how many people signed up last week.
This is the answer I was hoping existed. Does the family notice any lag going through the bridge, or is it indistinguishable from a native accessory?
Restore time is the argument that actually lands for me. Rebuilding a config by hand is precisely the weekend I am trying never to have.
I lost most of an evening to this exact shape of bug in a script that appended parsed records, and what made it so slow to find was that the first run was always right. I kept restarting the interpreter to test, which reset the default list, so the bug vanished every time I looked at it. If you are ever debugging something that only misbehaves on repeat calls, suspect state that outlives the call.
one caution: platform duration is not what the user experiences. it excludes queue time and the network, and on some platforms it starts counting after the runtime is ready, which is the exact thing you are trying to measure. put a server timing header on the response and collect the real number from the client, then compare it to the platform metric. mine differed by a couple of hundred milliseconds and always in the same direction.
Also confirm which container was killed. kubectl describe pod gives last state per container, and in a pod with sidecars people routinely assume it was the main application when it was actually a proxy or a log agent with a much smaller limit.
Also confirm the measure is filtering on the date table's column and not the fact table's date column. Half the time people mark a proper date table, then write the time intelligence against Orders[OrderDate] out of habit and get results that are almost right, which is the worst kind of wrong.
Longer term, retry logic in the applications matters here too. DNS is not a guaranteed-instant service and a client that gives up on one failed lookup during a scale event will keep finding ways to page you. Not an argument against fixing the cluster side, just the other half.
The line that people miss until it happens: an extractor. You can borrow one from your association for the first year or two, and eventually you get tired of scheduling around someone else and you buy one. It is not an annual cost but it is a lumpy one that arrives about year three for most people I know, and it is worth quietly setting aside for it rather than being surprised. Same with a decent bee suit once the cheap one starts letting bees in at the cuffs.
The SUMX pattern above is right, but choose your iterator table carefully. Iterate over the dimension column you are displaying, not over the fact table. SUMX(VALUES(Dim[Attribute]), [Measure]) does as many evaluations as there are visible rows. SUMX(Fact, ...) does twelve million. Same answer, wildly different render time.
i folded services into a single revenue number in a pitch once and got asked one follow up question about renewal rates that took the whole thing apart in about ninety seconds. it was not even hostile, it was just an obvious question that i had made impossible to answer well. two lines from the start would have cost me nothing.
kubectl describe pod on the Pending pod usually says this out loud in the events, something like "node(s) had volume node affinity conflict". It is one of the more helpful messages Kubernetes produces and it is easy to skip past when you are looking at the PVC instead of the pod.
Split the difference so you are not gone for a week. Pull out the three biggest text columns into dimensions first, usually customer, product, geography: measure the file size, and stop if that gets you enough headroom. Most of the win lives in a handful of columns.
Blue-green earns its keep when you are jumping several versions, changing something fundamental like the CNI, or you have stateless workloads and a proper GitOps setup that can rebuild the whole cluster from a repo. Two minor versions with StatefulSets is not that case. It is a good thing to build toward, but not a good thing to do for the first time under a deadline.