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Date: Sat, 23 Jul 2011 17:46:42 -0300
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Subject: After column deletion cassandra won't insert more data to a specific
 key
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I'm having a strange behavior on one of my cassandra boxes, after all
columns are removed from a row, insertion on that key stops working (from
API and from the cli)

[default@Agent] get Schedulers['atendimento'];
Returned 0 results.
[default@Agent] set Schedulers['atendimento']['test'] = 'dd';
Value inserted.
[default@Agent] get Schedulers['atendimento'];
Returned 0 results.

Already tried nodetool flush/compact/repair on the CF, doesn't fix the
problem.

With a ver simple setup:
* only one node in the cluster (the cluster never had more nodes nor
replicas)
* random partitioner
* CF defined as "create column family Schedulers with comparator=BytesType;"

The only way for it to start working again is to truncate the CF.

Do you have any clues how to diagnose what's going on?

Thanks,
Guille



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I&#39;m having a strange behavior on one of my cassandra boxes, after all c=
olumns are removed from a row, insertion on that key stops working (from AP=
I and from the cli)<div><br></div><div><div>[default@Agent] get Schedulers[=
&#39;atendimento&#39;];</div>

<div>Returned 0 results.</div><div>[default@Agent] set Schedulers[&#39;aten=
dimento&#39;][&#39;test&#39;] =3D &#39;dd&#39;;</div><div>Value inserted.</=
div><div>[default@Agent] get Schedulers[&#39;atendimento&#39;];</div><div>

Returned 0 results.</div><div><br></div></div><div>Already tried nodetool f=
lush/compact/repair on the CF, doesn&#39;t fix the problem.</div><div><br><=
/div><div><div>With a ver simple setup:</div><div>* only one node in the cl=
uster (the cluster never had more nodes nor replicas)</div>

<div>* random partitioner</div><div>* CF defined as &quot;create column fam=
ily Schedulers with comparator=3DBytesType;&quot;</div></div><div><br></div=
><div>The only way for it to start working again is to truncate the CF.</di=
v>

<div><br></div><div>Do you have any clues how to diagnose what&#39;s going =
on?</div><div><br></div><div>Thanks,</div><div>Guille</div><div><br></div><=
div><br></div>


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