Ruiyang Wang

[Core] Check that temp_dir must be absolute path.

2

## Why are these changes needed? `ray.init` accepts a `_temp_dir` arg. The arg should be absolute path because it makes no sense to have a "relative path" on all nodes....

[core] If there's working_dir, don't set _py_driver_sys_path.

1

In #31383 we add _py_driver_sys_path to all workers, making them search from the driver's path. This makes the workers able to find modules near the driver file. However, in these...

Use subreaper to kill unowned subprocesses in raylet.

6

Currently when user code spawns subprocess (from core worker), we don't have a good way to track them. We do best effort to kill any child procs on core worker...

`regex-syntax` Hir should merge alternation of Class & Literal into Class

1

#### What version of regex are you using? 0.7.2 #### Describe the bug at a high level. When you have a HirKind::Class and a HirKind::Literal and you join the two,...

This saves the event loop from being blocked.

[core] GcsSubscriber hangs in shutdown if the connection broke on MacOS

1

### What happened + What you expected to happen In #45029 we disabled the logger threads on MacOS for `test_unavailable_actors.py`. This is because the logger threads hangs in a `poll`...

[core] Deflake `windows://python/ray/tests:test_get_locations` by reducing object size

1

In the test failure CI, I find [this log](https://buildkite.com/ray-project/postmerge/builds/4408#018f6a8f-43b7-4299-8273-7605f463d09e/6-10681): > (raylet) [2024-05-12 02:51:50,631 C 11560 2720] (raylet.exe) dlmalloc.cc:129: Check failed: *handle != nullptr CreateFileMapping() failed. GetLastError() = 1450 So maybe...

[core][runtime_env] Allow full path in conda runtime env.

1

#34956 fixed a conda hanging issue by checking existence of the conda env name. However it only checks by conda env name, not path - if the user specifies an...

[core][runtime_env] Retry on read error in rt env agent client response read

1

#45353 reports issues on runtime env agent start up process + task pressure. Some times we get `on_read` errors. This PR fixes by retrying on those requests. Specifically, all HTTP...