Base.cp seems to have a bug when copying large files

[sriharshakandala]

Issue

Base.cp seems to have a bug when copying large files (~17 GB).

For example,

cp ifs_oper_T1279_2016080100.nc atmos_dyamond_summer/ifs_oper_T1279_2016080100.nc

works fine, but,

Base.cp("ifs_oper_T1279_2016080100.nc", "atmos_dyamond_summer/ifs_oper_T1279_2016080100.nc")

tries to create a huge file that eventually uses up all the space on the hard drive before crashing.

However, using

run(`cp ifs_oper_T1279_2016080100.nc atmos_dyamond_summer/ifs_oper_T1279_2016080100.nc`)

instead works correctly.

A more detailed description of the issue can be found CliMA/ClimaArtifacts#64 and CliMA/ClimaArtifacts#69

[stevengj]

Base.cp calls sendfile, which calls jl_fs_sendfile which calls uv_fs_sendfile from libuv, which calls an OS routine. What operating system are you on?

[fredrikekre]

Possibly related to #30723 and/or #39868

[sriharshakandala]

Base.cp calls sendfile, which calls jl_fs_sendfile which calls uv_fs_sendfile from libuv, which calls an OS routine. What operating system are you on?

This is on macOS Sequoia 15.0.1