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Re: FUSE HDFS significantly slower - Hadoop - [mail # user]
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...https://issues.apache.org/jira/browse/HADOOP-3805 tried to mitigate this problem. On Mon, Oct 25, 2010 at 10:17 PM, aniket ray wrote: ...
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Author: Ted Yu,
2010-10-26, 05:40
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Re: XmlInputFormat - Hadoop - [mail # general]
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...Refer to previous discussion entitled 'Hadoop and XML' On Mon, Oct 25, 2010 at 2:55 AM, Aniruddha wrote: ...
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Author: Ted Yu,
2010-10-26, 04:16
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Re: What is the best to terminate a Map job without it being retried - Hadoop - [mail # user]
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...How about deleting/moving the dirty files in your mapper or in another job ? On Fri, Oct 8, 2010 at 4:30 PM, Steve Kuo wrote: ...
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Author: Ted Yu,
2010-10-08, 23:35
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Re: conf.setCombinerClass in Map/Reduce - Hadoop - [mail # user]
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...If input to reducer is of , the combiner would take in and emit . On Tue, Oct 5, 2010 at 10:03 PM, Shi Yu wrote: ...
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Author: Ted Yu,
2010-10-06, 22:37
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Re: Passing commandline arguments to Mapper class - Hadoop - [mail # user]
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...When you are passing a commandline argument while running the job (using '-D'), then it is set for you in the configuration whenever job's configuration is created. On Sat, Oct 2, 2010...
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Author: Ted Yu,
2010-10-03, 00:29
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Re: java.lang.RuntimeException: java.io.EOFException at org.apache.hadoop.io.WritableComparator.compare(WritableComparator.java:103) - Hadoop - [mail # user]
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...Line 84 is empty. Line 83 is: out.writeUTF(query_id); Please send the stack trace that corresponds to your attachment. In the very begining of ...
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Author: Ted Yu,
2010-09-30, 17:42
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Re: java.lang.RuntimeException: java.io.EOFException at org.apache.hadoop.io.WritableComparator.compare(WritableComparator.java:103) - Hadoop - [mail # user]
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...Your MsRead.readFields() doesn't contain readInt(). Can you show us the lines around line 84 of MsRead.java ? On Wed, Sep 29, 2010 at 2:44 PM, Tali K wrote: ...
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Author: Ted Yu,
2010-09-30, 05:27
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Re: Proper blocksize and io.sort.mb setting when using compressed LZO files - Hadoop - [mail # user]
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...The default is 100MB for InMemory File System: int size = Integer.parseInt(conf.get("fs.inmemory.size.mb", "100")); ./src/core/org/apache/hadoop/fs/InMemoryFileSystem.ja...
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Author: Ted Yu,
2010-09-27, 16:40
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Re: Proper blocksize and io.sort.mb setting when using compressed LZO files - Hadoop - [mail # user]
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...The setting should be fs.inmemory.size.mb On Mon, Sep 27, 2010 at 7:15 AM, pig wrote: ...
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Author: Ted Yu,
2010-09-27, 15:18
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Re: java.lang.OutOfMemoryError: GC overhead limit exceeded - Hadoop - [mail # user]
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...-1 means there is no limit to reusing. At the same time, you can generate heap dump from OOME and analyze with YourKit, etc. Cheers On Sun, Sep 26, 2010 at 1:19 PM, Bradford Step...
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Author: Ted Yu,
2010-09-26, 21:35
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