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01-24-2014
01:58 PM
Glad to hear!
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01-20-2014
09:24 PM
Many thanks for following up! I do think the directory-or-file can be checked for before traversal, or at least the error message may be improved, for which I've filed https://issues.apache.org/jira/browse/HDFS-5802. The shell utils handle this in a clearer way btw: ➜ ~ ls foo/file ls: foo/file: Not a directory ➜ ~ hadoop fs -ls foo/file ls: `foobar/file': No such file or directory
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01-13-2014
01:25 PM
Ok great. I restarted all MapReduce and Hbase daemons in addition to the HDFS daemons and it is working properly now. Thank you! Previously I had only restarted HDFS.
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01-06-2014
01:30 AM
Hi, many thanks for your explanation. I'll check out the custom sink wrapper stuff...
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12-31-2013
03:17 AM
Thanks Harsh I will try to find out from eclipse project settings if it refers to localjobrunner somewhere in it, any further information from your end will be appreacited. Regards
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12-30-2013
08:16 PM
No, while CM monitors and alerts on critical FS states such as missing or corrupt blocks based on metrics, there's no "fsck" command you can run. Typically you want to run fsck on the CLI so you can read or parse its output if you're looking to analyse the state further.
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12-28-2013
09:22 PM
1 Kudo
These are available in the base version of Apache Hive shipped with CDH5 (beta currently). The CDH4 equivalent is on a stable release launched before the features were added upstream. You could use Justin's guide to get a custom build of newer version of Hive running on your CDH4 cluster - this is possible to do.
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12-28-2013
09:13 PM
1 Kudo
You're right that you'll need to build your own failover on the client side for WebHDFS as it presently lacks HA awareness and support. Another easier alternative is to setup and use HttpFs as the REST gateway, which is HA-aware and offers the exact same WebHDFS API and functionality.
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09-09-2013
06:57 AM
@herdrick: no it's actually just fine to do it in the order Harsh mentioned. CM will automatically deploy the configurations you specify on the Configuration tab of a service to that service's roles when you restart the service. For example, if you modify a datanode specific property in CM, save the change and restart the service, then all the datanodes will get new copies of their hdfs-site.xml files upon startup. The only reason to deploy the client configs that Harsh mentioned is for external client apps that want to utilize the cluster. If you made changes that will affect the behavior of clients, then the client configs need to be re-deployed. This can happen after the services are restarted, but before you attempt to reconnect to the cluster with your client app. I hope that clears it up.
Clint
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