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Re: coprocessor enabled put very slow, help please~~~ - HBase - [mail # user]
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...Forget to say. I also tested MapReduce. It's faster than coprocessor. On Mon, Feb 18, 2013 at 10:01 AM, yonghu wrote:...
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Author: yonghu,
2013-02-18, 09:02
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Re: coprocessor enabled put very slow, help please~~~ - HBase - [mail # user]
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...Parkash, I have a six nodes cluster and met the same problem as you had. In my test, inserting one tuple using coprocessor is nearly 10 times slower than normal put operation. I think ...
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Author: yonghu,
2013-02-18, 09:01
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Re: Is it possible to indicate the column scan order when scanning table? - HBase - [mail # user]
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...Thanks for your response. I will take a look. yong On Thu, Feb 7, 2013 at 10:11 PM, Ted Yu wrote:...
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Author: yonghu,
2013-02-08, 05:36
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Re: Is it possible to indicate the column scan order when scanning table? - HBase - [mail # user]
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...Like a table can contain ttl data and static data without indicating ttl. So, I want to first scan the columns which have ttl restrictions and later the static columns. The goal that I want ...
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Author: yonghu,
2013-02-07, 20:01
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Is it possible to indicate the column scan order when scanning table? - HBase - [mail # user]
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...Dear all, I wonder if it is possible to indicate the column scan order when scanning table. For example, if I have two column families cf1 and cf2 and I create a scan object. Is the ta...
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Author: yonghu,
2013-02-07, 17:23
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Re: Json+hbase - HBase - [mail # user]
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...I think you can treat id as row key. and address-type/home or address-type/office as column family. each address can be treated as column. The thing is how you can transform your json metada...
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Author: yonghu,
2013-02-04, 16:35
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Re: Is there a way to close automatically log deletion in HBase? - HBase - [mail # user]
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...Thanks for your useful information. By the way, can you give me an example about how I can define the customized logcleaner class. regards! Yong On Sat, Feb 2, 2013 at 1:54...
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Author: yonghu,
2013-02-02, 15:51
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Re: Is there a way to close automatically log deletion in HBase? - HBase - [mail # user]
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...Dear Ram, Thanks for your response. Yes Log means WAL logs. Now, I can define a postWALWrite trigger to write the WAL entries into the specific file as I want, however, it's too ...
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Author: yonghu,
2013-02-02, 10:09
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Is there a way to close automatically log deletion in HBase? - HBase - [mail # user]
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...Hello, For some reasons, I need to analyze the log of hbase. However, the log will be automatically deleted by GC of JVM (if I understand right). I wonder if there is a way to close au...
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Author: yonghu,
2013-02-02, 08:01
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How can I set column information when I use YCSB to test HBase? - HBase - [mail # user]
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...Dear all, I read the information of https://github.com/brianfrankcooper/YCSB/wiki/Running-a-Workload For example, I can indicate the column family name when I issue the command l...
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Author: yonghu,
2013-01-19, 06:48
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