ASTRA · AI DEVOPS
From alert to pull request, without you.
SkySignal doesn't just tell you what's broken. Astra ships the fix.
SCROLL
02.1
— THE CALM
It's 2:14am on a Friday.
Your app is fine.
You are asleep.
dash.skysignal.app02:14 · all nominal
p95
47ms
err
0.02%
rps
1.2k
up
99.99%
that's one bug. here are eight.
ASTRA · THE CATALOG
pattern:N+1 query
SYMPTOM
orders.list → N+1
- 24× users.findOne (1ms ea.)
- fan-out: 24 DB trips per request
DIAGNOSIS
24 per-doc fetches collapse to 1 $in query
FIX
/imports/api/orders/methods.js+11 −7
-for (const o of orders) {
- const u = await Meteor.users
- .findOneAsync(o.userId);
- o.user = u;
-}
+const userIds = orders.map(o => o.userId);
+const users = await Meteor.users.find({
+ _id: { $in: userIds }
+}).fetchAsync();
+const userMap = new Map(users.map(u => [u._id, u]));
+orders.forEach(o => { o.user = userMap.get(o.userId); });
passing·opened as PR #483·astra[bot]·1m 42s
Astra has shipped 1,247 PRs like these across SkySignal customers this month.
See the full listone fix is a dot.
enough dots make a pattern.
a pattern is what Astra sees.
N+1 · 12 fixes this month
COLLSCAN · 28 fixes this month
CVE · 7 fixes this month
Astra. Watching so you don't have to.