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From Denis <de...@camfex.cz>
Subject Re: Offline tables on adding a tserver (Accumulo 1.6 regression?)
Date Mon, 12 Jan 2015 21:06:08 GMT
I have not tried yet anything newer than 1.6.1

On 1/12/15, Josh Elser <elserj@apache.org> wrote:
> Denis wrote:
>> created https://issues.apache.org/jira/browse/ACCUMULO-3471
>
> Thanks a bunch!
>
>> BTW, In 1.6.1 also balancing may get stuck until the master server is
>> restarted.
>
> Is this a known issue in 1.6.1 that's been since fixed or is it still
> outstanding?
>
>> But then, after the master restart, balancing works very
>> "aggressively", putting many tablets offline for quite long time
>> (minutes)
>>
>> On 1/11/15, Denis<denis@camfex.cz>  wrote:
>>> Sometimes it left unbalanced with new tserver hosts zero tablets or
>>> much less that others.
>>> So I had to restart master to initiate the balancing process.
>>> Then balancing was performed slowly without putting thousands of
>>> tablets offline.
>>>
>>> On 1/11/15, John Vines<vines@apache.org>  wrote:
>>>> I have a hunch that the 1.4 version being used possibly had one or more
>>>> of
>>>> the many bugs regarding balancing getting 'stuck', which was typically
>>>> resolved via bouncing the master. Denis, in 1.4 when you brought you
>>>> tserver back online, did you find that things were then balanced or did
>>>> you
>>>> just have a tserver up and things were left unbalanced?
>>>>
>>>> On Sun, Jan 11, 2015 at 11:30 AM, Denis<denis@camfex.cz>  wrote:
>>>>
>>>>> yes, per server
>>>>>
>>>>> On 1/11/15, Sean Busbey<busbey@cloudera.com>  wrote:
>>>>>> On Sat, Jan 10, 2015 at 3:42 PM, Denis<denis@camfex.cz>  wrote:
>>>>>> On 1/10/15, Christopher<ctubbsii@apache.org>  wrote:
>>>>>>
>>>>>>> ...
>>>>>>> 3) how many tablets do you have per server?....
>>>>>> 3. about 6000
>>>>>>
>>>>>> Just to confirm, this is 6000 tablets per-server and not 6000 tablets
>>>>>> per-table or overall, right?
>>>>>>
>>>>>>
>>>>>> --
>>>>>> Sean
>>>>>>
>

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