Nilotpal Nandi created HDFS-14980:
-------------------------------------
Summary: diskbalancer query command always tries to contact to
port 9867
Key: HDFS-14980
URL: https://issues.apache.org/jira/browse/HDFS-14980
Project: Hadoop HDFS
Issue Type: Bug
Components: diskbalancer
Reporter: Nilotpal Nandi
disbalancer query commands always tries to connect to port 9867 even when
datanode IPC port is different.
In this setup , datanode IPC port is set to 20001.
diskbalancer report command works fine and connects to IPC port 20001
{noformat}
hdfs diskbalancer -report -node 172.27.131.193
19/11/12 08:58:55 INFO command.Command: Processing report command
19/11/12 08:58:57 INFO balancer.KeyManager: Block token params received from
NN: update interval=10hrs, 0sec, token lifetime=10hrs, 0sec
19/11/12 08:58:57 INFO block.BlockTokenSecretManager: Setting block keys
19/11/12 08:58:57 INFO balancer.KeyManager: Update block keys every 2hrs,
30mins, 0sec
19/11/12 08:58:58 INFO command.Command: Reporting volume information for
DataNode(s). These DataNode(s) are parsed from '172.27.131.193'.
Processing report command
Reporting volume information for DataNode(s). These DataNode(s) are parsed from
'172.27.131.193'.
<HOST_ADDR>[172.27.131.193:20001] - <e9d905bf-3146-4c54-a98a-0345448b920a>: 3
volumes with node data density 0.05.
[DISK: volume-/dataroot/ycloud/dfs/NEW_DISK1/] - 0.15 used:
39343871181/259692498944, 0.85 free: 220348627763/259692498944, isFailed:
False, isReadOnly: False, isSkip: False, isTransient: False.
[DISK: volume-/dataroot/ycloud/dfs/NEW_DISK2/] - 0.15 used:
39371179986/259692498944, 0.85 free: 220321318958/259692498944, isFailed:
False, isReadOnly: False, isSkip: False, isTransient: False.
[DISK: volume-/dataroot/ycloud/dfs/dn/] - 0.19 used: 49934903670/259692498944,
0.81 free: 209757595274/259692498944, isFailed: False, isReadOnly: False,
isSkip: False, isTransient: False.
{noformat}
But diskbalancer query command fails and tries to connect to port 9867
(default port).
{noformat}
hdfs diskbalancer -query 172.27.131.193
19/11/12 06:37:15 INFO command.Command: Executing "query plan" command.
19/11/12 06:37:16 INFO ipc.Client: Retrying connect to server:
<HOST_ADDR>/172.27.131.193:9867. Already tried 0 time(s); retry policy is
RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1000 MILLISECONDS)
19/11/12 06:37:17 INFO ipc.Client: Retrying connect to server:
<HOST_ADDR>/172.27.131.193:9867. Already tried 1 time(s); retry policy is
RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1000 MILLISECONDS)
..
..
..
19/11/12 06:37:25 ERROR tools.DiskBalancerCLI: Exception thrown while running
DiskBalancerCLI.
{noformat}
Expectation :
diskbalancer query command should work fine without explicitly mentioning
datanode IPC port address
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