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pdh: report duplicate instances by occurrence instead of renaming them (#2742)

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Signed-off-by: Jan-Otto Kröpke <mail@jkroepke.de>
This commit is contained in:
Jan-Otto Kröpke
2026-10-16 09:58:43 +02:00
committed by GitHub
parent d8dbf852d1
commit 43d77f6869
32 changed files with 832 additions and 266 deletions
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internal/collector/iis/AGENTS.md
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@@ -74,7 +74,14 @@ notes were recorded on Windows Server 2025 (build 26100) with only
exist only while a worker process runs; send one HTTP request to start one.
`HTTP Service Request Queues` instances are app pool names plus about 40
`---<n>` queues, which the collector skips. Recycled instances get a `#<n>`
suffix that the collector strips.
suffix that the collector strips. `internal/pdh` adds no suffix of its own.
The IIS rows have no `Occurrence` field, because no IIS object repeats an
instance name in one sample: IIS rejects duplicate site and application
pool names (`Web Service`, `APP_POOL_WAS`, `HTTP Service Request Queues`),
`W3SVC_W3WP` instances carry the worker process ID, and the overlapping
worker of a recycle has its own PID. A sample on this host had no
duplicates in these objects. If pdh logs dropped duplicates for an IIS
object, declare the field.
## Counter reference