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Re: Modifying SingleColumnValueFilter to not include matched KV - HBase - [mail # user]
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...Ha, I think I found it: I had multiple versions of the KV - so the last statement should read ReturnCode.NEXT_COL. /David On Thu, Jan 24, 2013 at 12:47 AM, David Koch ...
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Author: David Koch,
2013-01-24, 10:05
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Modifying SingleColumnValueFilter to not include matched KV - HBase - [mail # user]
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...Hello, As part of some custom filter building I took the source of SingleColumnValueFilter (HBase 0.92.1) [1] and wanted to tweak it to NOT return the matched column - thus essentially...
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Author: David Koch,
2013-01-23, 23:47
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Re: ResultCode.NEXT_ROW and scans with batching enabled - HBase - [mail # user]
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...Hi guys, Thank you for the explanations. /David On Wed, Jan 23, 2013 at 4:44 AM, Anoop Sam John wrote: ...
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Author: David Koch,
2013-01-23, 23:32
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ResultCode.NEXT_ROW and scans with batching enabled - HBase - [mail # user]
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...Hello, In a scan, when a filter's filterKeyValue method returns ReturnCode.NEXT_ROW - does it actually skip to the next row or just the next batch, provided of course batching is enabl...
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Author: David Koch,
2013-01-23, 00:13
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Re: Controlling TableMapReduceUtil table split points - HBase - [mail # user]
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...Hi Dhaval, Good call on the setBatch. I had forgotten about it. Just like changing the schema it would involve changing the map(...) to reflect the fact that only part of the user's da...
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Author: David Koch,
2013-01-06, 17:53
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Re: Controlling TableMapReduceUtil table split points - HBase - [mail # user]
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...Hi Ted, Thank you for your response. I will take a look. With regards to the timeouts: I think changing the key design as outlined above would ameliorate the situation since each...
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Author: David Koch,
2013-01-06, 16:37
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Controlling TableMapReduceUtil table split points - HBase - [mail # user]
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...Hello, Is there a way to override the method which is used by TableMapReduceUtil to split a HBase table across several mapper instances when running a Map Reduce over it? Our cur...
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Author: David Koch,
2013-01-06, 12:37
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Re: CopyTable utility fails on larger tables - HBase - [mail # user]
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...Hi Doug, This did the trick. I pre-split the empty destination table and CopyTable worked as expected afterwards. Thank you again, /David On Wed, Dec 5, 2012 at 6:44...
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Author: David Koch,
2012-12-06, 13:32
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Re: CopyTable utility fails on larger tables - HBase - [mail # user]
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...Hello Doug, Thank you for your reply. I will try with pre-splitting. /David On Wed, Dec 5, 2012 at 5:30 PM, Doug Meil wrote: ...
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Author: David Koch,
2012-12-05, 17:44
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CopyTable utility fails on larger tables - HBase - [mail # user]
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...Hello, I can copy relatively small tables (10gb, 7million rows) using the built-in HBase (0.92.1-cdh4.0.1) CopyTable utility but copying larger tables, say 150gb, 100million rows does ...
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Author: David Koch,
2012-12-05, 15:42
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