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https://issues.apache.org/jira/browse/HDFS-3360?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13273090#comment-13273090
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J.Andreina commented on HDFS-3360:
----------------------------------
@Uma, for the configurations "dfs.name.dir","dfs.namenode.checkpoint.dir" and
"dfs.namenode.checkpoint.edits.dir"
Without variable substitution when i configure values with 5-6 levels for each
directories Namenode and secondary Namenode is started successfully.
But when i give a variable substitutions for the values configured, Namenode
gets shutdown by throwing the IllegalStateException : "Variable substitution
depth too large" and Secondary Namenode does not throw any exception but gets
shutdown
> SNN gets Shutdown if the conf "dfs.namenode.checkpoint.dir" and
> "dfs.namenode.checkpoint.edits.dir" is configured to more than 6 comma
> seperated values with 3-4 level in each directories
> ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: HDFS-3360
> URL: https://issues.apache.org/jira/browse/HDFS-3360
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: name-node
> Affects Versions: 2.0.0
> Reporter: J.Andreina
> Priority: Minor
> Fix For: 2.0.0, 3.0.0
>
>
> Configured "dfs.namenode.checkpoint.dir" and
> "dfs.namenode.checkpoint.edits.dir" to more than 6 comma seperated
> directories
> Started NN,DN,SNN
> Secondary Namenode gets shutdown without throwing any exception
> But the descriptions says that "If this is a comma-delimited list of
> directories then the image is
> replicated in all of the directories for redundancy."
> SNN logs
> ========
> {noformat}2012-04-26 13:08:37,534 INFO
> org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode: STARTUP_MSG:
> /************************************************************
> STARTUP_MSG: Starting SecondaryNameNode
> STARTUP_MSG: host = HOST-xx-xx-xx-xx/xx.xx.xx.xx
> STARTUP_MSG: args = []
> STARTUP_MSG: version = 2.0.0-SNAPSHOT
> STARTUP_MSG: build = -r ; compiled by 'isap' on Fri Apr 20 09:10:53 IST
> 2012
> ************************************************************/
> 2012-04-26 13:08:38,728 INFO org.apache.hadoop.metrics2.impl.MetricsConfig:
> loaded properties from hadoop-metrics2.properties
> 2012-04-26 13:08:38,861 INFO
> org.apache.hadoop.metrics2.impl.MetricsSystemImpl: Scheduled snapshot period
> at 10 second(s).
> 2012-04-26 13:08:38,861 INFO
> org.apache.hadoop.metrics2.impl.MetricsSystemImpl: SecondaryNameNode metrics
> system started
> 2012-04-26 13:08:39,176 INFO
> org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode: SHUTDOWN_MSG:
> /************************************************************
> SHUTDOWN_MSG: Shutting down SecondaryNameNode at HOST-xx-xx-xx-xx/xx.xx.xx.xx
> ************************************************************/{noformat}
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