Here are some relevant logs. Aurora scheduler logs shows the task going from: INIT ->PENDING ->ASSIGNED ->STARTING ->RUNNING for a long time ->FAILED due to health check error, OSError: Resource temporarily unavailable (I think this is referring to running out of PID space, see thermos logs below)
--- mesos agent --- I1005 22:56:47.902153 127818 fetcher.cpp:285] Fetching directly into the sandbox directory I1005 22:56:47.902170 127818 fetcher.cpp:222] Fetching URI '/usr/bin/XXXXX' I1005 22:56:47.913270 127818 fetcher.cpp:207] Copied resource '/usr/bin/xxxxx' to '/var/lib/mesos/slaves/b4fff262-c925-4edf-a2ef-2a5bbe89c42b-S1540/frameworks/20160112-010512-421372426-5050-73504-0000/executors/thermos-xxx-2-caa0744d-fffd-446e-9f97-05bd84a32b54/runs/bb904e1d-4c32-4d7a-b1b6-9b3f78ddfe95/xxx' I1005 22:56:47.913331 127818 fetcher.cpp:582] Fetched '/usr/bin/xxx' to '/var/lib/mesos/slaves/b4fff262-c925-4edf-a2ef-2a5bbe89c42b-S1540/frameworks/20160112-010512-421372426-5050-73504-0000/executors/thermos-xxx-2-caa0744d-fffd-446e-9f97-05bd84a32b54/runs/bb904e1d-4c32-4d7a-b1b6-9b3f78ddfe95/xxx' WARNING: Your kernel does not support swap limit capabilities, memory limited without swap. twitter.common.app debug: Initializing: twitter.common.log (Logging subsystem.) Writing log files to disk in /mnt/mesos/sandbox I1005 22:58:15.677225 7 exec.cpp:162] Version: 1.1.0 I1005 22:58:15.680867 14 exec.cpp:237] Executor registered on agent b4fff262-c925-4edf-a2ef-2a5bbe89c42b-S1540 Writing log files to disk in /mnt/mesos/sandbox I1006 01:13:52.950552 39 exec.cpp:487] Agent exited, but framework has checkpointing enabled. Waiting 365days to reconnect with agent b4fff262-c925-4edf-a2ef-2a5bbe89c42b-S1540 --- thermos (Aurora) ---- 1 I1023 19:03:05.765677 52364 fetcher.cpp:582] Fetched '/usr/bin/xxx' to '/var/lib/mesos/slaves/b4fff262-c925-4edf-a2ef-2a5bbe89c42b-S3295/frameworks/20160112-010512-421372426-5050-73504-0000/executors/thermos-xxx-2-d3c1c4d9-4d74-433a-b26a-8a88bb7687b8/runs/982e7236-fccd-40bc-a2a5-d8a1901cf0bf/fxxx' 22 WARNING: Your kernel does not support swap limit capabilities, memory limited without swap. 23 twitter.common.app debug: Initializing: twitter.common.log (Logging subsystem.) 24 Writing log files to disk in /mnt/mesos/sandbox 25 I1023 19:04:32.261165 7 exec.cpp:162] Version: 1.2.0 26 I1023 19:04:32.264870 42 exec.cpp:237] Executor registered on agent b4fff262-c925-4edf-a2ef-2a5bbe89c42b-S3295 27 Writing log files to disk in /mnt/mesos/sandbox 28 Traceback (most recent call last): 29 File "/root/.pex/install/twitter.common.exceptions-0.3.7-py2-none-any.whl.f6376bcca9bfda5eba4396de2676af5dfe36237d/twitter.common.exceptions-0.3.7-py2-none-any.whl/twitter/common/exceptions/__init__.py", line 1 26, in _excepting_run 30 self.__real_run(*args, **kw) 31 File "apache/thermos/monitoring/resource.py", line 243, in run 32 File "/root/.pex/install/twitter.common.concurrent-0.3.7-py2-none-any.whl.f1ab836a5554c86d07fa3f075905c95fb20c78dd/twitter.common.concurrent-0.3.7-py2-none-any.whl/twitter/common/concurrent/event_muxer.py", lin e 79, in wait 33 thread.start() 34 File "/usr/lib/python2.7/threading.py", line 745, in start 35 _start_new_thread(self.__bootstrap, ()) 36 thread.error: can't start new thread 37 ERROR] Failed to stop health checkers: 38 ERROR] Traceback (most recent call last): 39 File "apache/aurora/executor/aurora_executor.py", line 209, in _shutdown 40 propagate_deadline(self._chained_checker.stop, timeout=self.STOP_TIMEOUT) 41 File "apache/aurora/executor/aurora_executor.py", line 35, in propagate_deadline 42 return deadline(*args, daemon=True, propagate=True, **kw) 43 File "/root/.pex/install/twitter.common.concurrent-0.3.7-py2-none-any.whl.f1ab836a5554c86d07fa3f075905c95fb20c78dd/twitter.common.concurrent-0.3.7-py2-none-any.whl/twitter/common/concurrent/deadline.py", line 6 1, in deadline 44 AnonymousThread().start() 45 File "/usr/lib/python2.7/threading.py", line 745, in start 46 _start_new_thread(self.__bootstrap, ()) 47 error: can't start new thread 48 49 ERROR] Failed to stop runner: 50 ERROR] Traceback (most recent call last): 51 File "apache/aurora/executor/aurora_executor.py", line 217, in _shutdown 52 propagate_deadline(self._runner.stop, timeout=self.STOP_TIMEOUT) 53 File "apache/aurora/executor/aurora_executor.py", line 35, in propagate_deadline 54 return deadline(*args, daemon=True, propagate=True, **kw) 55 File "/root/.pex/install/twitter.common.concurrent-0.3.7-py2-none-any.whl.f1ab836a5554c86d07fa3f075905c95fb20c78dd/twitter.common.concurrent-0.3.7-py2-none-any.whl/twitter/common/concurrent/deadline.py", line 6 1, in deadline 56 AnonymousThread().start() 57 File "/usr/lib/python2.7/threading.py", line 745, in start 58 _start_new_thread(self.__bootstrap, ()) 59 error: can't start new thread 60 61 Traceback (most recent call last): 62 File "/root/.pex/install/twitter.common.exceptions-0.3.7-py2-none-any.whl.f6376bcca9bfda5eba4396de2676af5dfe36237d/twitter.common.exceptions-0.3.7-py2-none-any.whl/twitter/common/exceptions/__init__.py", line 1 26, in _excepting_run 63 self.__real_run(*args, **kw) 64 File "apache/aurora/executor/status_manager.py", line 62, in run 65 File "apache/aurora/executor/aurora_executor.py", line 235, in _shutdown 66 File "/root/.pex/install/twitter.common.concurrent-0.3.7-py2-none-any.whl.f1ab836a5554c86d07fa3f075905c95fb20c78dd/twitter.common.concurrent-0.3.7-py2-none-any.whl/twitter/common/concurrent/deferred.py", line 5 6, in defer 67 deferred.start() 68 File "/usr/lib/python2.7/threading.py", line 745, in start 69 _start_new_thread(self.__bootstrap, ()) 70 thread.error: can't start new thread On Fri, Oct 27, 2017 at 2:25 PM, Vinod Kone <[email protected]> wrote: > Can you share the agent and executor logs of an example orphaned executor? > That would help us diagnose the issue. > > On Fri, Oct 27, 2017 at 8:19 PM, Mohit Jaggi <[email protected]> wrote: > >> Folks, >> Often I see some orphaned executors in my cluster. These are cases where >> the framework was informed of task loss, so has forgotten about them as >> expected, but the container(docker) is still around. AFAIK, Mesos agent is >> the only entity that has knowledge of these containers. How do I ensure >> that they get cleaned up by the agent? >> >> Mohit. >> > >

