: dong.yajun dongt...@gmail.com
Reply-To: user@cassandra.apache.org user@cassandra.apache.org
Date: Tuesday, January 29, 2013 10:11 PM
To: user@cassandra.apache.org user@cassandra.apache.org
Subject: Re: Is there any way to fetch all data efficiently from a column
family?
Thanks Michael.
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*
* *How
hey List,
I consider a way that can read all data from a column family, the following
is my thoughts:
1. make a snapshot for all nodes at the same time with a special column
family in a cluster,
2. copy these sstables to local disk from cassandra nodes.
3. compact these sstables to a single
@cassandra.apache.orgmailto:user@cassandra.apache.org
user@cassandra.apache.orgmailto:user@cassandra.apache.org
Subject: Is there any way to fetch all data efficiently from a column family?
hey List,
I consider a way that can read all data from a column family, the following is
my thoughts:
1. make a snapshot
, January 29, 2013 9:02 PM
To: user@cassandra.apache.org user@cassandra.apache.org
Subject: Is there any way to fetch all data efficiently from a column
family?
hey List,
I consider a way that can read all data from a column family, the
following is my thoughts:
1. make a snapshot for all
@cassandra.apache.org
Subject: Re: Is there any way to fetch all data efficiently from a column
family?
Thanks Michael.
How many rows in your column families?
abort 500w rows, each row has abort 1k data.
How often do you need to do this?
once a day.
example Hadoop map/reduce jobs in the examples folder
thanks
: Tuesday, January 29, 2013 10:36 PM
To: user@cassandra.apache.orgmailto:user@cassandra.apache.org
user@cassandra.apache.orgmailto:user@cassandra.apache.org
Subject: Re: Is there any way to fetch all data efficiently from a column
family?
Yes, wide rows, but doesn't seem horrible by any means. People
