Hi Lorand,
Do you see any different gc pattern during these 20 seconds?
In 2.0.x, memtable create lot of heap pressure. So in a way, reads are not
isolated from writes.
Frankly speaking, I would have accepted 20 second slowness as scaling is one
time activity. But may be your business case doesnt
ct: Read operations freeze for a few second while adding a new node
Hi,
We are struggling with a problem that when adding nodes around 5% read
operations freeze (aka time out after 1 second) for a few seconds (10-20
seconds). It might not seems much, but at the order of 200k requests per second
If you've got a read heavy workload you should check out
http://blakeeggleston.com/cassandra-tuning-the-jvm-for-read-heavy-workloads.html
On Thu, Jan 28, 2016 at 8:11 AM Lorand Kasler
wrote:
> Hi,
>
> We are struggling with a problem that when adding nodes around 5% read
> operations freeze (a
Hi,
We are struggling with a problem that when adding nodes around 5% read
operations freeze (aka time out after 1 second) for a few seconds (10-20
seconds). It might not seems much, but at the order of 200k requests per
second that's quite big of disruption. It is well documented and known
that