I don't like that every node will have same portion of data.
1. We are using nodes with different HW sizes (number of disks)
2. especially with ordered partitioner there tends to be hotspots and
you must assign smaller portion of data to nodes holding hotspots
On 17 March 2012 11:15, Radim Kolar h...@filez.com wrote:
I don't like that every node will have same portion of data.
1. We are using nodes with different HW sizes (number of disks)
2. especially with ordered partitioner there tends to be hotspots and you
must assign smaller portion of
On Sat, Mar 17, 2012 at 7:38 AM, Sam Overton s...@acunu.com wrote:
Hello cassandra-dev,
This is a long email. It concerns a significant change to Cassandra, so
deserves a thorough introduction.
*The summary is*: we believe virtual nodes are the way forward. We would
like to add virtual
On Sat, Mar 17, 2012 at 11:15 AM, Radim Kolar h...@filez.com wrote:
I don't like that every node will have same portion of data.
1. We are using nodes with different HW sizes (number of disks)
2. especially with ordered partitioner there tends to be hotspots and you
must assign smaller
I agree having smaller regions would help the rebalencing situation both
with rp and bop. However i an not sure if dividing tables across disk s
will give any better performance. you will have more seeking spindles and
can possibly sub divide token ranges into separate files. But fs cache will
On Sat, Mar 17, 2012 at 3:22 PM, Zhu Han schumi@gmail.com wrote:
On Sat, Mar 17, 2012 at 7:38 AM, Sam Overton s...@acunu.com wrote:
This is a long email. It concerns a significant change to Cassandra, so
deserves a thorough introduction.
*The summary is*: we believe virtual nodes are the
*The summary is*: we believe virtual nodes are the way forward. We would
like to add virtual nodes to Cassandra and we are asking for comments,
criticism and collaboration!
I am very happy to see some momentum on this, and I would like to go
even further than what you propose. The main reasons
Point of clarification: My use of the term bucket is completely
unrelated to the term bucket used in the CRUSH paper.
--
/ Peter Schuller (@scode, http://worldmodscode.wordpress.com)