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From Alexis Rodríguez <arodrig...@inconcertcc.com>
Subject Re: Data disappear immediately after reading?
Date Wed, 24 Jul 2013 20:42:13 GMT
Carlo,

Do you read/write with the consistency levels according to your needs [1]?

Have you tried to see if it happens when using the cassandra-cli to get
that data?


[1] http://wiki.apache.org/cassandra/ArchitectureOverview


On Wed, Jul 24, 2013 at 5:34 PM, cbertu81@libero.it <cbertu81@libero.it>wrote:

> Hi all,
> I know the subject is not saying much but this is what I'm experiencing now
> with my cluster.
> After some years without any problem now I'm experiencing problems with
> counters but, the most serious problem, is data loss immediately after a
> read.
>
> I have some webservices that I use to query data on Cassandra but in the
> last
> month happened 2 times the following problem: I call my WS, it shows data.
> I
> refresh the page -- data are no more available! I can call then 200 times
> the
> WS but I won't see data anymore ... today my colleague experienced the same
> problem. The WS are ABSOLUTELY read only on the DB and there are no write
> to
> erase these data. Anyone understand wth is going on? I have no idea but
> most of
> all I don't know how to fix.
>
> Any help would really be appreciated.
>
> Kind Regards,
> Carlo
>

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