Also, that particular logger is for the internal chunk / page cache. If it
can’t allocate from within that pool, it’ll just use a normal bytebuffer.
It’s not really a problem, but if you see performance suffer, upgrade to latest
3.11.4, there was a bit of a perf improvement in the case where th
That’s not an error. To the left of the log message is the severity, level
INFO.
Generally, I don’t recommend running Cassandra on only 2GB ram or for small
datasets that can easily fit in memory. Is there a reason why you’re
picking Cassandra for this dataset?
On Thu, Mar 7, 2019 at 8:04 AM Kyry
Hi All,
We have a tiny 3-node cluster
C* version 3.9 (I know 3.11 is better/stable, but can’t upgrade immediately)
HEAP_SIZE is 2G
JVM options are default
All setting in cassandra.yaml are default (file_cache_size_in_mb not set)
Data per node – just ~ 1Gbyte
We’re getting following errors messag
Hi Kenneth,
We using AxonOps with on a number of production clusters already, but
we're continuously improving it, so we've got a good level of comfort and
confidence with the product with our own customers.
In terms of our recommendations on the upper bounds of the cluster size, we
do not know
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Hi Manish,
the best way, if you have the opportunity to easily add new
hardware/instances, is to create a new DC with racks and switch traffic to
the new DC when it's ready (then remove the old one). My co-worker Alain
just wrote a very handy blog post on that technique :
http://thelastpickle.com/
We have a 6 node Cassandra cluster in which all the nodes are in same rack
in a dc. We want to take advantage of "multi rack" cluster (example:
parallel upgrade on all the nodes in same rack without downtime). I would
like to know what is the recommended process to change an existing cluster
with
On Tue, Mar 5, 2019 at 2:24 PM Jeff Jirsa wrote:
> Ec2 multi should work fine in one region, but consider using
> GossipingPropertyFileSnitch if there’s even a chance you’ll want something
> other than AWS regions as dc names - multicloud, hybrid, analytics DCs, etc
>
For the record, DC names ca
