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https://issues.apache.org/jira/browse/HDFS-14980?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aravindan Vijayan reassigned HDFS-14980:
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Assignee: Aravindan Vijayan (was: Siddharth Wagle)
> 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
> Assignee: Aravindan Vijayan
> Priority: Major
>
> 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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