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From Zhu Han <schumi....@gmail.com>
Subject Re: Cassandra 0.6.8 snapshot problem?
Date Fri, 29 Jul 2011 02:27:25 GMT
On Thu, Jul 28, 2011 at 10:47 PM, Jian Fang
<jian.fang.subscribe@gmail.com>wrote:

> Hi,
>
> We have an old production Cassandra 0.6.8 instance without replica, i.e.,
> the replication factor is 1. Recently, we noticed that
> the snapshot data we took from this instance are inconsistent with the
> running instance data. For example, we took snapshot
> in early July 2011. From the running instance, we got a record that was
> created in March 2011, but on the snapshot copy, the
> record with the same key was different and was created in January 2011.
> Yesterday, we created another snapshot and reproduced
> the problem. I just like to know if this is a known issue for Cassandra
> 0.6.
>

Do you see any difference between the sstables of running instance and the
snapshot?  You can use md5sum to compare them.

How do you load the snapshot to another cluster?

>
> We are going to migrate to Cassandra 0.8, but we need to make sure this
> will not be a problem in 0.8.
>
> Thanks in advance,
>
> John
>
>

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