My feeling is the same as others.  It is nice, but I always dig into logs
instead.

+1 on dropping it for now.

JG

On Thu, September 17, 2009 11:04 pm, stack wrote:
> Its a sweet feature, I know how it works, but I find myself never really
> using it.   Instead I go to logs because there I can get a more
> comprehensive picture than historian can give me (Historian doesn't show
> region close IIRC because its awkward logging the close event -- possible
>  deadlocks).  Meantime its caused us various grief over time getting its
> events into the historian column family in the .META. table.
>
> I'm +1 for dropping it till there is more call for this kind of feature.
>
>
> Good stuff,
> St.Ack
>
>
>
>
>
> On Thu, Sep 17, 2009 at 5:38 PM, Jean-Daniel Cryans
> <jdcry...@apache.org>wrote:
>
>
>> Hi users,
>>
>>
>> The Region Historian (the page in the web UI that you get when you
>> click on a region name) has been in use since HBase 0.2.0 and it caused
>> more than its share of problems. Furthermore, we had to cripple it in
>> many ways to make some things work, the main issue being that the
>> historian is kept in .META. so operations on that catalog table were
>> sometimes blocked.
>>
>> We are planning to disable it for 0.20.1 and 0.21.0 until we come up
>> with a better solution. Is anybody using it? If so, would losing the
>> historian be a big deal for you? Your input would be much appreciated.
>>
>> Thx,
>>
>>
>> J-D
>>
>>
>

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