| ▲ | nijave 5 hours ago |
| Right on the heels of 6.19 breaking tcmalloc and Mongo |
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| ▲ | matharmin 4 hours ago | parent [-] |
| Yup - interesting to see so much written about Postgres having a performance regression on Linux 7.0, in a scenario that affects almost no-one in practice. Meanwhile MongoDB refuses to run at all on Linux 7.0 due to some issue with tcmalloc. https://jira.mongodb.org/browse/SERVER-121885 |
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| ▲ | duskwuff 3 hours ago | parent [-] | | The underlying tcmalloc issue is interesting - the library was relying on an implementation detail of the rseq kernel API which was never guaranteed, and which already generated warnings in previous versions. https://lore.kernel.org/all/20260126204745.GP171111@noisy.pr... | | |
| ▲ | nijave an hour ago | parent [-] | | Implemented behavior of the interface vs documented behavior of the interface I thought the warnings were only generated when you turned on a kernel config "that no one uses in practice" |
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