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 <i...@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 <i...@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
>>>
>>
>>
>
>


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Jonathan Rhone
Software Engineer

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