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From Frank Ng <berryt...@gmail.com>
Subject Re: Repair Process Taking too long
Date Wed, 11 Apr 2012 14:16:05 GMT
Can you expand further on your issue? Were you using Random Patitioner?

thanks

On Tue, Apr 10, 2012 at 5:35 PM, David Leimbach <leimy2k@gmail.com> wrote:

> I had this happen when I had really poorly generated tokens for the ring.
>  Cassandra seems to accept numbers that are too big.  You get hot spots
> when you think you should be balanced and repair never ends (I think there
> is a 48 hour timeout).
>
>
> On Tuesday, April 10, 2012, Frank Ng wrote:
>
>> I am not using tier-sized compaction.
>>
>>
>> On Tue, Apr 10, 2012 at 12:56 PM, Jonathan Rhone <rhone@tinyco.com>wrote:
>>
>>> Data size, number of nodes, RF?
>>>
>>> Are you using size-tiered compaction on any of the column families that
>>> hold a lot of your data?
>>>
>>> Do your cassandra logs say you are streaming a lot of ranges?
>>> zgrep -E "(Performing streaming repair|out of sync)"
>>>
>>>
>>> On Tue, Apr 10, 2012 at 9:45 AM, Igor <igor@4friends.od.ua> wrote:
>>>
>>>>  On 04/10/2012 07:16 PM, Frank Ng wrote:
>>>>
>>>> Short answer - yes.
>>>> But you are asking wrong question.
>>>>
>>>>
>>>> I think both processes are taking a while.  When it starts up, netstats
>>>> and compactionstats show nothing.  Anyone out there successfully using ext3
>>>> and their repair processes are faster than this?
>>>>
>>>>  On Tue, Apr 10, 2012 at 10:42 AM, Igor <igor@4friends.od.ua> wrote:
>>>>
>>>>> Hi
>>>>>
>>>>> You can check with nodetool  which part of repair process is slow -
>>>>> network streams or verify compactions. use nodetool netstats or
>>>>> compactionstats.
>>>>>
>>>>>
>>>>> On 04/10/2012 05:16 PM, Frank Ng wrote:
>>>>>
>>>>>> Hello,
>>>>>>
>>>>>> I am on Cassandra 1.0.7.  My repair processes are taking over 30
>>>>>> hours to complete.  Is it normal for the repair process to take this
long?
>>>>>>  I wonder if it's because I am using the ext3 file system.
>>>>>>
>>>>>> thanks
>>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>
>>>
>>> --
>>> Jonathan Rhone
>>> Software Engineer
>>>
>>> *TinyCo*
>>> 800 Market St., Fl 6
>>> San Francisco, CA 94102
>>> www.tinyco.com
>>>
>>>
>>

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