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FEAT-#2236: Handling of space limited Ray Plasma directories #2547

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merged 3 commits into from
Dec 17, 2020
Merged

FEAT-#2236: Handling of space limited Ray Plasma directories #2547

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8be534b
FEAT-#2236: add Ray Plasma warning
amyskov Dec 16, 2020
3759573
FEAT-#2236: modify warning
amyskov Dec 17, 2020
116b42a
FEAT-#2236: use _session_dir
amyskov Dec 17, 2020
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14 changes: 14 additions & 0 deletions modin/engines/ray/utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -149,6 +149,20 @@ def initialize_ray(
_lru_evict=True,
)

global_node = ray.worker._global_node
# Check only for head node
if global_node.head:
import psutil
from modin.error_message import ErrorMessage

ray_session_dir = os.path.dirname(global_node._session_dir)
ray_free_space_GB = psutil.disk_usage(ray_session_dir).free // 10 ** 9
ErrorMessage.single_warning(
f"Modin Ray engine was started with {ray_free_space_GB} GB free space avaliable, "
"if it is not enough for your application, please set environment variable "
"MODIN_ON_RAY_PLASMA_DIR=/directory/without/space/limiting"
)

_move_stdlib_ahead_of_site_packages()
ray.worker.global_worker.run_function_on_all_workers(
_move_stdlib_ahead_of_site_packages
Expand Down