Document JEMALLOC_OVERRIDE #107
Conversation
|
Welcome @nmattia! It looks like this is your first PR to tikv/jemallocator 🎉 |
|
I'm unfortunately getting a 404 here: https://github.com/tikv/jemallocator/blob/master/CONTRIBUTING.md |
jemalloc-sys/README.md
Outdated
| provide your own `jemalloc` version, set `JEMALLOC_OVERRIDE` to point to a built | ||
| version of `jemalloc`. This can point to either a shared or static library. For | ||
| instance: `JEMALLOC_OVERRIDE=/path/to/libjemalloc.a`. The library should be built | ||
| with `jemalloc`'s `--with-jemalloc-prefix=_rjem_`. For static libraries it is also |
There was a problem hiding this comment.
It's not accurate. Whether prefix is required depends on whether unprefixed_malloc_on_supported_platforms is enabled and whether the target is compatible with overwriting malloc.
There was a problem hiding this comment.
It's not accurate.
Right, though the default seems to be to use the prefixed version so I thought this was simpler. Should I mention the prefix logic here? I'd need to dig into it a bit more.
There was a problem hiding this comment.
How about changing it like following?
JEMALLOC_OVERRIDE is for advanced usage only. Providing your own library means most features of jemalloc-sys will be ignored in build script, and you are responsible to compile the library to match what jemalloc-sys expects. Especially, handle API prefix as whatever feature unprefixed_malloc_on_supported_platforms says.
|
Please fix DCO as https://github.com/tikv/jemallocator/pull/107/checks?check_run_id=32653878537 says. |
|
@BusyJay unfortunately I’m getting a 404. How do I sign it? |
|
The link I provided is different from the bot one. |
This adds a README paragraph explaining how to provider a prebuilt version of malloc through `JEMALLOC_OVERRIDE`, as well as build flags expected by `tikv-jemalloc-sys`. Signed-off-by: Nicolas Mattia <nicolas@nmattia.com>
nmattia
force-pushed
the
nm-jemalloc-override
branch
from
44be6f1
to
9722530
Compare
|
@BusyJay got it:) thanks! |
|
Thank you! |
This adds a README paragraph explaining how to provider a prebuilt version of malloc through
JEMALLOC_OVERRIDE, as well as build flags expected bytikv-jemalloc-sys.