Mon, 11 Jul 2022 10:06:32 -0400 Jeff King <peff@xxxxxxxx>: > How did you measure? Are you sure that each one is allocating a > gigabyte itself, or might some of it be shared between the processes? > Git will mmap the packfiles on disk, which will count against RSS > (assuming the memory even gets faulted in). But multiple processes on > the same repository will share those read-only pages. I ran top(1), all the git processes were competing for memory. There was most of the time no memory shared, according to top. This tool to process a single repository exists since a few years. In the past I ran it on a 12cpu/64GB machine. Today it was running the first time on a 96cpu/64GB machine. There is a slim chance the issue did not show up because the 12 processes always had access to enough memory. I will try your suggestions. Thanks. Olaf
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