Andrey Yarovoy created HDDS-14474:
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Summary: Freon dfsg produces a number of Orphan ManagedChannels
Key: HDDS-14474
URL: https://issues.apache.org/jira/browse/HDDS-14474
Project: Apache Ozone
Issue Type: Bug
Reporter: Andrey Yarovoy
Freon dfsg produces a number of Orphan ManagedChannels, since it uses
org.apache.hadoop.fs.FileSystem for interfacing Ozone and supposed to call
FileSystem.close() after thread completion, there is a possibility that the
same applies for all consumers of org.apache.hadoop.fs.FileSystem.
command used for reproducing the issue:
{code:java}
ozone freon dfsg -s 268435456 --prefix beg0i3ghm2 --path
ofs://ozone/ratis-vol/andrey -n10000 -t160 --buffer=1048576
--copy-buffer=1048576 {code}
Example of Orphan ManagedChannels:
{code:java}
26/01/21 14:15:26 WARN grpc.GrpcUtil: Timed out gracefully shutting down
connection:
ManagedChannelOrphanWrapper{delegate=ManagedChannelImpl{logId=15509,
target=10.15.25.39:9858}}.
26/01/21 14:15:26 WARN grpc.GrpcUtil: Timed out gracefully shutting down
connection: ManagedChannelOrphanWrapper{delegate=ManagedChannelImpl{logId=58,
target=10.15.25.26:9858}}.
26/01/21 14:15:26 WARN grpc.GrpcUtil: Timed out gracefully shutting down
connection:
ManagedChannelOrphanWrapper{delegate=ManagedChannelImpl{logId=26033,
target=10.15.25.13:9858}}.
26/01/21 14:15:26 WARN grpc.GrpcUtil: Timed out gracefully shutting down
connection:
ManagedChannelOrphanWrapper{delegate=ManagedChannelImpl{logId=20785,
target=10.15.25.14:9858}}.
26/01/21 14:15:26 WARN grpc.GrpcUtil: Timed out gracefully shutting down
connection: ManagedChannelOrphanWrapper{delegate=ManagedChannelImpl{logId=8929,
target=10.15.25.13:9858}}.
26/01/21 14:15:27 WARN grpc.GrpcUtil: Timed out gracefully shutting down
connection: ManagedChannelOrphanWrapper{delegate=ManagedChannelImpl{logId=3993,
target=10.15.25.34:9858}}.
26/01/21 14:15:27 WARN grpc.GrpcUtil: Timed out gracefully shutting down
connection:
ManagedChannelOrphanWrapper{delegate=ManagedChannelImpl{logId=25649,
target=10.15.25.26:9858}}.
26/01/21 14:15:27 WARN grpc.GrpcUtil: Timed out gracefully shutting down
connection:
ManagedChannelOrphanWrapper{delegate=ManagedChannelImpl{logId=12989,
target=10.15.25.24:9858}}.
26/01/21 14:15:28 WARN grpc.GrpcUtil: Timed out gracefully shutting down
connection:
ManagedChannelOrphanWrapper{delegate=ManagedChannelImpl{logId=19417,
target=10.15.25.18:9858}}.
26/01/21 14:15:28 WARN grpc.GrpcUtil: Timed out gracefully shutting down
connection:
ManagedChannelOrphanWrapper{delegate=ManagedChannelImpl{logId=17729,
target=10.15.25.33:9858}}.
26/01/21 14:15:28 WARN grpc.GrpcUtil: Timed out gracefully shutting down
connection:
ManagedChannelOrphanWrapper{delegate=ManagedChannelImpl{logId=20521,
target=10.15.25.35:9858}}.
26/01/21 14:15:28 WARN grpc.GrpcUtil: Timed out gracefully shutting down
connection:
ManagedChannelOrphanWrapper{delegate=ManagedChannelImpl{logId=27817,
target=10.15.25.34:9858}}.
26/01/21 14:15:28 WARN grpc.GrpcUtil: Timed out gracefully shutting down
connection:
ManagedChannelOrphanWrapper{delegate=ManagedChannelImpl{logId=16453,
target=10.15.25.38:9858}}.
26/01/21 14:15:28 WARN grpc.GrpcUtil: Timed out gracefully shutting down
connection:
ManagedChannelOrphanWrapper{delegate=ManagedChannelImpl{logId=22981,
target=10.15.25.24:9858}}.
26/01/21 14:15:29 WARN grpc.GrpcUtil: Timed out gracefully shutting down
connection:
ManagedChannelOrphanWrapper{delegate=ManagedChannelImpl{logId=22533,
target=10.15.25.33:9858}}.
26/01/21 14:15:29 WARN grpc.GrpcUtil: Timed out gracefully shutting down
connection:
ManagedChannelOrphanWrapper{delegate=ManagedChannelImpl{logId=12441,
target=10.15.25.14:9858}}.
26/01/21 14:15:29 WARN grpc.GrpcUtil: Timed out gracefully shutting down
connection:
ManagedChannelOrphanWrapper{delegate=ManagedChannelImpl{logId=14841,
target=10.15.25.33:9858}}.
26/01/21 14:15:31 WARN grpc.GrpcUtil: Timed out gracefully shutting down
connection:
ManagedChannelOrphanWrapper{delegate=ManagedChannelImpl{logId=27229,
target=10.15.25.33:9858}}.
26/01/21 14:15:31 WARN grpc.GrpcUtil: Timed out gracefully shutting down
connection:
ManagedChannelOrphanWrapper{delegate=ManagedChannelImpl{logId=27529,
target=10.15.25.34:9858}}.
26/01/21 14:15:32 WARN grpc.GrpcUtil: Timed out gracefully shutting down
connection:
ManagedChannelOrphanWrapper{delegate=ManagedChannelImpl{logId=26717,
target=10.15.25.35:9858}}.
26/01/21 14:15:34 WARN grpc.GrpcUtil: Timed out gracefully shutting down
connection:
ManagedChannelOrphanWrapper{delegate=ManagedChannelImpl{logId=25021,
target=10.15.25.35:9858}}.
26/01/21 14:15:34 WARN grpc.GrpcUtil: Timed out gracefully shutting down
connection:
ManagedChannelOrphanWrapper{delegate=ManagedChannelImpl{logId=13573,
target=10.15.25.33:9858}}.
26/01/21 14:15:35 WARN grpc.GrpcUtil: Timed out gracefully shutting down
connection:
ManagedChannelOrphanWrapper{delegate=ManagedChannelImpl{logId=28033,
target=10.15.25.34:9858}}. {code}
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