There is zero reason to believe a full repair would make this better and a lot 
of reason to believe it’ll make it worse

For casual observers following along at home, this is probably not the answer 
you’re looking for.

-- 
Jeff Jirsa


> On Apr 4, 2018, at 4:37 AM, Rahul Singh <rahul.xavier.si...@gmail.com> wrote:
> 
> Nothing a full repair won’t be able to fix. 
> 
>> On Apr 4, 2018, 7:32 AM -0400, Jürgen Albersdorfer 
>> <juergen.albersdor...@zweiradteile.net>, wrote:
>> Hi,
>> 
>> I have an urgent Problem. - I will run out of disk space in near future.
>> Largest Table is a Time-Series Table with TimeWindowCompactionStrategy 
>> (TWCS) and default_time_to_live = 0
>> Keyspace Replication Factor RF=3. I run C* Version 3.11.2
>> We have grown the Cluster over time, so SSTable files have different Dates 
>> on different Nodes.
>> 
>> From Application Standpoint it would be safe to loose some of the oldest 
>> Data.
>> 
>> Is it safe to delete some of the oldest SSTable Files, which will no longer 
>> get touched by TWCS Compaction any more, while Node is clean Shutdown? - And 
>> doing so for one Node after another?
>> 
>> Or maybe there is a different way to free some disk space? - Any suggestions?
>> 
>> best regards
>> Jürgen Albersdorfer
>> 
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