Hi Jordi,
To clarify - this new node going to take you up to six nodes with the
sixth one of vastly different system spec to the others, in what
configuration will it be, dist+rep or straight distributed ?
An hard question either way without knowing a little more about the
hardware and a lot more about expected usage patterns. How random are
the access going to be, what's your expected read hit rate, and then how
fast are the disks?
Memory as buffer (FS) cache but isn't necessarily needed until your
cache miss overflow exceeds the performance of the drives.
Cheers.
On 12/23/2010 07:27 PM, admin iqtc wrote:
Dear list,
we are planning to add a new node in our Gluster cluster ( 5 nodes with 5TB
and 8GB RAM each node and gigabit connection).
This new node will consist a 24TB disk and 16GB of RAM. Do you think that it
could be some performance problem with this proportion? A lot of disk in
front of memory capacity. We are multiplying x6 disk capacity and only x2
memory capacity.
Any guide line we should follow for calculating the memory requirements
etc.?
thanks in advance,
best regards,
jordi
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