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HBase, mail # user - hbase.regionserver.handler.count


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Mark 2011-11-15, 16:09
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Doug Meil 2011-11-15, 17:17
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Mark 2011-11-15, 17:43
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Re: hbase.regionserver.handler.count
Karthik Ranganathan 2011-11-15, 18:54
@Mark - like Doug said its dependent on the hardware SKU and load type. We
(at FB) are using 300 handlers on a box with 16 cores and 48G (24G for RS).

On 11/15/11 9:43 AM, "Mark" <[EMAIL PROTECTED]> wrote:

>Perhaps section 2.8.2.3 of the hbase book should be updated then?
>
>On 11/15/11 9:17 AM, Doug Meil wrote:
>> Hi there, per..
>>
>> http://hbase.apache.org/book.html#perf.handlers
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>> ... this is a per-RegionServer config, and it would take a pretty big
>>box
>> to satisfy 100 concurrent RS requests.
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>>
>>
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>> On 11/15/11 11:09 AM, "Mark"<[EMAIL PROTECTED]>  wrote:
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>>> In the HBase book it states:
>>>
>>> " It is safe to set that number to the maximum number of incoming
>>> clients if their payload is small...."
>>>
>>> We have around 100 rails application servers so is this say its safe
>>> (and recommended) to bump this number up from the default 10 to 100?
>>>
>>> Thanks for the help.
>>
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Doug Meil 2011-11-15, 19:39