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Re: sum, avg, count, etc... - HBase - [mail # user]
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...Thanks for all of your responses. The original file is a text file and when I try to search that using grep it takes minutes. So, taking 7 seconds aint too bad. thanks again for ...
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Author: Rita,
2011-10-27, 00:27
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sum, avg, count, etc... - HBase - [mail # user]
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...I am trying to do some simple statistics with my data but its taking longer than expected. Here is how my data is structured in hbase. keys (symbol#epoch time stamp) msft#...
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Author: Rita,
2011-10-26, 10:21
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hbase CDH 3.1U1 - HBase - [mail # user]
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...I keep getting messages in my hbase master log about garbage collection. I was wondering if CDH is already tuned for GC and if we need to do anything special in our environment. In ref...
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Author: Rita,
2011-10-23, 13:15
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Re: speeding up rowcount - HBase - [mail # user]
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...Thanks for the responses. Where do I set the high Scan cache values? On Sun, Oct 9, 2011 at 11:19 AM, Himanshu Vashishtha wrote: ...
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Author: Rita,
2011-10-09, 15:30
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speeding up rowcount - HBase - [mail # user]
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...Hi, I have been doing a rowcount via mapreduce and its taking about 4-5 hours to count a 500million rows in a table. I was wondering if there are any map reduce tunings I can do so it ...
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Author: Rita,
2011-10-09, 14:50
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Re: range query - HBase - [mail # user]
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...Thanks. This worked like a charm. Is it common to use regex for timeseries or is there a more elegant way of handling it? On Wed, Oct 5, 2011 at 8:39 AM, Doug Meil wrote: ...
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Author: Rita,
2011-10-05, 22:42
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range query - HBase - [mail # user]
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...Hello, I have a simple table where the data looks like this, key,value 2011-01-01.foo,data01 2011-01-02.foo,data02 2011-01-03.foo,data03 2011-01-04.foo,data04 2011-01-05.foo,data...
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Author: Rita,
2011-10-05, 07:29
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Re: exporting a table - HBase - [mail # user]
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...thanks. I noticed the MR job is single threaded. Is table export a serial based job or can it be done in parallel? On Mon, Sep 26, 2011 at 12:41 PM, Jean-Daniel Cryans wrote: &n...
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Author: Rita,
2011-09-26, 23:45
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exporting a table - HBase - [mail # user]
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...Is there a performance boost to export a table while its disabled? ...
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Author: Rita,
2011-09-26, 09:03
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table version question - HBase - [mail # user]
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...I understand by default hbase creates 3 versions of a table. This is taking up more space than anticipated therefore I was wondering if I default to 1 version are there any drawbacks? ...
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Author: Rita,
2011-09-25, 10:45
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