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Add deadlock prevention during metric registration - #1079
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csmarchbanks
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Dec 6, 2024
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Just want to say I have been busy this week and am out next week, but I will get to this, and thank you for your contributions! |
Detects and prevents deadlocks during the library misuse, eg. by injecting code into the critical sections that itself might want to obtain the relevant lock. A follow up to prometheus#1076. Signed-off-by: Przemysław Suliga <mail@suligap.net>
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4235ae2CompareIt's hard to justify the overhead of double locking there. Signed-off-by: Przemysław Suliga <mail@suligap.net>
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c0d5593Comparesuligap
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Dec 8, 2024
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No worries, nothing urgent here and thanks. I thought about it a bit more and ended up pulling out the deadlock prevention from the "hottest" path: metrics.py and values.py. It's quite hard to justify the overhead of this double locking approach there. But I think it's not an issue in registry.py. |
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Detect deadlocks during the library misuse, eg. by injecting code into the critical sections that itself might want to obtain the relevant lock.
A follow up to #1076.