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From Jeff Jirsa <jji...@gmail.com>
Subject Re: Datafile Corruption
Date Wed, 07 Aug 2019 19:42:59 GMT
Is compression enabled?

If not, bit flips on disk can corrupt data files and reads + repair may send that corruption
to other hosts in the cluster 


> On Aug 7, 2019, at 3:46 AM, Philip Ó Condúin <philipoconduin@gmail.com> wrote:
> 
> Hi All,
> 
> I am currently experiencing multiple datafile corruptions across most nodes in my cluster,
there seems to be no pattern to the corruption.  I'm starting to think it might be a bug,
we're using Cassandra 2.2.13.
> 
> Without going into detail about the issue I just want to confirm something.
> 
> Can someone share with me a list of scenarios that would cause corruption?
> 
> 1. OS failure
> 2. Cassandra disturbed during the writing 
> 
> etc etc.
> 
> I need to investigate each scenario and don't want to leave any out.
> 
> -- 
> Regards,
> Phil

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