Jay
It's the ref (version and commit hash) of bundled jemalloc. What problem did you meet exactly?
The hash points to https://github.com/tikv/jemalloc/commit/e13ca993e8ccb9ba9847cc330696e02839f328f7 , it's generated by `git describe`.
Interesting, but deleting a directory can also be time consuming and contributed to build time, which I think most people may notice and avoid. If the directory is too large,...
How does it perform?
Have you try it in release mode?
After trying your reproduce project, I can see the segment fault is at ``` 0x00007f9a21eaa83e in prof_backtrace_impl (vec=0x7f9a2180c0b8, len=0x7ffde3cd3d68, max_len=128) at src/prof_sys.c:138 138 BT_FRAME(10) (gdb) bt #0 0x00007f3ecb6aa83e in prof_backtrace_impl...
/release
/run-all-tests