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[HADOOP-7207] fs member of FSShell is not really needed - Hadoop - [issue]
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...FileSystem object should be created on demand when needed in FSShell, instead of always creating one that connects to the default FileSystem.It will also solve a problem of connecting to non...
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http://issues.apache.org/jira/browse/HADOOP-7207
Author: Boris Shkolnik,
2012-11-19, 17:45
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[HADOOP-4885] Try to restore failed replicas of Name Node storage (at checkpoint time) - Hadoop - [issue]
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http://issues.apache.org/jira/browse/HADOOP-4885
Author: Boris Shkolnik,
2012-10-15, 17:33
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Re: Reason of Formatting Namenode - Hadoop - [mail # user]
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...On the first run you want namenode to initialize its directories (where it store VERSION file, fsimage and edits). On the subsequent formats - you are making sure you have a new EMPTY file s...
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Author: Boris Shkolnik,
2011-03-10, 23:23
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Re: Need Help Building Hadoop from source - Hadoop - [mail # user]
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...Danie, You need to force ivy to pick up common jar from your local repository. Otherwise it downloads from the maven.org. Try this: 1. build hadoop-common. 2. 'ant mvn-install' ...
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Author: Boris Shkolnik,
2011-03-08, 22:22
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Re: How to change logging from DRFA to RFA? Is it a good idea? - Hadoop - [mail # user]
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...log4j.appender.RFA=org.apache.log4j.RollingFileAppender log4j.appender.RFA.File=${hadoop.log.dir}/${hadoop.log.file} log4j.appender.RFA.MaxFileSize=1MB log4j.appender.RFA.MaxBackupInde...
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Author: Boris Shkolnik,
2010-09-28, 00:28
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Re: How to recover a namenode? - Hadoop - [mail # user]
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...You may want to check importcheckpoint option too http://hadoop.apache.org/hdfs/docs/current/hdfs_user_guide.html#Import+Chec kpoint Boris. On 9/17/10 1:36 AM, "ChingShen" ...
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Author: Boris Shkolnik,
2010-09-22, 00:29
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Re: Java run-time error while executing my application - unable to find the files on the HDFS - Hadoop - [mail # user]
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...Bharath, One thing - Will result in "hdfs://192.168.1.1:9000/user/sam/input1.txt" Second- Can you please paste code that opens the file? Which method are you using? O...
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Author: Boris Shkolnik,
2010-06-10, 21:03
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Re: how do i force replication? - Hadoop - [mail # user]
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...What is your configured replication level? (dfs.replication in hdfs-site.xml or hdfs-default.xml) One can specify replication when creating a file, but if you used put it should've tak...
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Author: Boris Shkolnik,
2009-11-19, 18:17
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Re: What's different of 1)namenode metadata 2)image and 3)edit logs? - Hadoop - [mail # general]
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...NameNode metadata - is in memory data structures describing file system structure (directories, files, and file's blocks). NameNode image is on-disk representation of the metadata. (fs...
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Author: Boris Shkolnik,
2009-11-16, 22:20
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Re: using files in local file system - Hadoop - [mail # user]
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...When you create FileSystem object you may specify that you want a LocalFileSystem. That will give you access to local files. (e.g. FileContext.GetLocalFSFileContext()) Boris. &nb...
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Author: Boris Shkolnik,
2009-11-09, 22:09
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