After compaciton, the old version data will gone!
zhangcheng2
From: Felipe Schmidt
Date: 2012-05-14 05:33
To: user
Subject: Retrieving old data version for a given row
I'm trying to retrieve old data version for some row but it seems not
be possible. I'm a beginner with Cassandra and the uniq
There is 2T data on each server. Can someone give me some advice?
Thanks.
The only way you could get the old value for a column would be to insert
the column value, then flush, then insert the new column, then before
compaction look at the old sstable.
If you insert the value twice in a row without a flush, the old value is
gone, as it only exists in memtables (and
I'm trying to retrieve old data version for some row but it seems not
be possible. I'm a beginner with Cassandra and the unique aproach I
know is looking to the SSTable in the storage folder, but if I insert
some column and right after insert another value to the same row,
after flushing, I only g
On 05/13/2012 07:18 PM, Thanh Ha wrote:
Hi All,
Do I have to do maintenance "nodetool repair" on CFs that do not have
deletions?
Probably you should (depending how you do reads), if your nodes for some
reasons have different data (like connectivity problems, node down, etc).
I only perform
Thanks Kamal
On Sun, May 13, 2012 at 9:30 AM, Kamal Bahadur wrote:
> As per the documentation, you don't have to if you don't delete or update.
>
>
> On Sun, May 13, 2012 at 9:18 AM, Thanh Ha wrote:
>>
>> Hi All,
>>
>> Do I have to do maintenance "nodetool repair" on CFs that do not have
>> dele
As per the documentation, you don't have to if you don't delete or update.
On Sun, May 13, 2012 at 9:18 AM, Thanh Ha wrote:
> Hi All,
>
> Do I have to do maintenance "nodetool repair" on CFs that do not have
> deletions?
>
> I only perform deletes on two column families in my cluster.
>
>
> Than
Hi All,
Do I have to do maintenance "nodetool repair" on CFs that do not have
deletions?
I only perform deletes on two column families in my cluster.
Thanks
Hi!
I saw that when Counter CF were first introduced there was no support for
TTL.
But I see that Hector does have TTL for HCounterColumn
So does a counter column have TTL or not?
I actually don't have an issue of big rows, but I don't need the data after
a two weeks or so, so it seems a shame to
