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Fix log monitor process error when attempting to read raylet PID. (#5655)

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This commit is contained in:
Philipp Moritz
2019-09-07 15:51:09 -07:00
committed by Robert Nishihara
parent cf90394a09
commit d0125d4212
1 changed files with 3 additions and 2 deletions
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python/ray/log_monitor.py
+3 -2
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@@ -88,8 +88,9 @@ class LogMonitor(object):
file_info.file_handle = None
try:
# Test if the worker process that generated the log file
# is still alive.
os.kill(file_info.worker_pid, 0)
# is still alive. Only applies to worker processes.
if file_info.worker_pid != "raylet":
os.kill(file_info.worker_pid, 0)
except OSError:
# The process is not alive any more, so move the log file
# out of the log directory so glob.glob will not be slowed