Yes it will helps,thanks James for correcting me

> On Mar 9, 2018, at 9:52 PM, James Shaw <jxys...@gmail.com> wrote:
> 
> per my testing, repair not help.
> repair build Merkle tree to compare data, it only write to a new file while 
> have difference, very very small file at the end  (of course, means most data 
> are synced)
> 
>> On Fri, Mar 9, 2018 at 10:31 PM, Madhu B <odba.ma...@gmail.com> wrote:
>> Yasir,
>> I think you need to run full repair in off-peak hours
>> 
>> Thanks,
>> Madhu
>> 
>> 
>>> On Mar 9, 2018, at 7:20 AM, Kenneth Brotman <kenbrot...@yahoo.com.INVALID> 
>>> wrote:
>>> 
>>> Yasir,
>>> 
>>>  
>>> 
>>> How many nodes are in the cluster? 
>>> 
>>> What is num_tokens set to in the Cassandra.yaml file? 
>>> 
>>> Is it just this one node doing this? 
>>> 
>>> What replication factor do you use that affects the ranges on that disk?
>>> 
>>>  
>>> 
>>> Kenneth Brotman
>>> 
>>>  
>>> 
>>> From: Kyrylo Lebediev [mailto:kyrylo_lebed...@epam.com] 
>>> Sent: Friday, March 09, 2018 4:14 AM
>>> To: user@cassandra.apache.org
>>> Subject: Re: uneven data movement in one of the disk in Cassandra
>>> 
>>>  
>>> 
>>> Not sure where I heard this, but AFAIK data imbalance when multiple 
>>> data_directories are in use is a known issue for older versions of 
>>> Cassandra. This might be the root-cause of your issue.
>>> 
>>> Which version of C* are you using?
>>> 
>>> Unfortunately, don't remember in which version this imbalance issue was 
>>> fixed.
>>> 
>>>  
>>> 
>>> -- Kyrill
>>> 
>>> From: Yasir Saleem <yasirsaleem9...@gmail.com>
>>> Sent: Friday, March 9, 2018 1:34:08 PM
>>> To: user@cassandra.apache.org
>>> Subject: Re: uneven data movement in one of the disk in Cassandra
>>> 
>>>  
>>> 
>>> Hi Alex,
>>> 
>>>  
>>> 
>>> no active compaction, right now.
>>> 
>>>  
>>> 
>>> <image001.png>
>>> 
>>>  
>>> 
>>> On Fri, Mar 9, 2018 at 3:47 PM, Oleksandr Shulgin 
>>> <oleksandr.shul...@zalando.de> wrote:
>>> 
>>> On Fri, Mar 9, 2018 at 11:40 AM, Yasir Saleem <yasirsaleem9...@gmail.com> 
>>> wrote:
>>> 
>>> Thanks, Nicolas Guyomar
>>> 
>>>  
>>> 
>>> I am new to cassandra, here is the properties which I can see in yaml file:
>>> 
>>>  
>>> 
>>> # of compaction, including validation compaction.
>>> 
>>> compaction_throughput_mb_per_sec: 16
>>> 
>>> compaction_large_partition_warning_threshold_mb: 100
>>> 
>>>  
>>> 
>>> To check currently active compaction please use this command:
>>> 
>>>  
>>> 
>>> nodetool compactionstats -H
>>> 
>>>  
>>> 
>>> on the host which shows the problem.
>>> 
>>>  
>>> 
>>> --
>>> 
>>> Alex
>>> 
>>>  
>>> 
>>>  
>>> 
> 

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