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A comment on I deleted 78% of my Redis container and it still works. Parent comment

Re:I deleted 78% of my Redis container and it still works by tluyben2 on Saturday July 16, 2022 @08:53AM (#32117542)
> then remove everything that was unused when the test suite ran

What tooling does one use to determine this? How can you see what files are being hit or not? Ptrace?

Edit; I RTFA and think that’s the product they sell. But how would one go about this without their product?

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Re:I deleted 78% of my Redis container and it still works by capableweb on Saturday July 16, 2022 @10:02AM (#32118188)
My guess would be a combination of ptrace/strace/overriding libc and/or eBPF.
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