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HBase >> mail # user >> Timeseries data


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Mohit Anchlia 2012-08-29, 00:21
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Marcos Ortiz 2012-08-29, 00:33
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Mohit Anchlia 2012-08-29, 00:54
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Re: Timeseries data
Can you give an example of what you are trying to do and how you would
use both the writes coming in at the same instant for the same cell
and why do you say that the nanosecond approach is tricky?

On Aug 28, 2012, at 5:54 PM, Mohit Anchlia <[EMAIL PROTECTED]> wrote:

> How does it deal with multiple writes in the same milliseconds for the same
> rowkey/column? I can't see that info.
>
> On Tue, Aug 28, 2012 at 5:33 PM, Marcos Ortiz <[EMAIL PROTECTED]> wrote:
>
>> Study the OpenTSDB at StumbleUpon described  by Benoit "tsuna" Sigoure (
>> [EMAIL PROTECTED]) in the
>> HBaseCon talk called "Lessons Learned from OpenTSDB".
>> His team have done a great job working with Time-series data, and he gave
>> a lot of great advices to work with this kind of data with HBase:
>> - Wider rows to seek faster
>> - Use asynchbase + Netty or Finagle(great tool created by Twitter
>> engineers to work with HBase) = performance ++
>> - Make writes idempotent and independent
>>   before: start rows at arbitrary points in time
>>   after: align rows on 10m (then 1h) boundaries
>> - Store more data per Key/Value
>> - Compact your data
>> - Use short family names
>> Best wishes
>> El 28/08/2012 20:21, Mohit Anchlia escribió:
>>
>>> In timeseries type data how do people deal with scenarios where one might
>>> get multiple events in a millisecond? Using nano second approach seems
>>> tricky. Other option is to take advantage of versions or counters.
>>>
>>>
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>>
>>
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Christian Schäfer 2012-08-29, 07:39