This sounds similar to /proc/sys/vm/swappiness misconfiguration. Is it zero
or close to zero? If setting it 0 solves your problem, make sure all your
nodes get this:
/etc/sysctl.conf:
vm.swappiness=0
On Wed, Apr 28, 2010 at 12:12 PM, Kyusik Chung kyu...@discovereads.comwrote:
Hello. I am
If I have 10B rows in my CF, and I can fit 10k rows per
SStable, and the SStables are spread across 5 nodes, and I have 1 bloom
filter false positive and 1 tombstone and ask the wrong node for the key,
then:
Mv = (((2B/10k)+1+1)*3)+1 == ((200,000)+2)*3+1 == 300,007 iops to read a
key.
What if we have 10B rows in the column family? What sort of index do you
use
that would only require one iop to find the row index block?
basically what is described in sections 5.3 and 5.4 here:
http://labs.google.com/papers/bigtable.html
Incorrect. Section 4 of the paper describes the
