One pointer to look at would be the memory snapshot and try tuning GC
around that if you find something fishy. Could be that it tries to load
everything in memory and then it has to do garbage collection which adds
pause times to it.
Turn on the GC logging by changing the parameters in conf/cassa
Local storage is more the just the norm. Unless you have a very good
reason you should not be using NFS.
Edward
On Fri, Jul 20, 2012 at 4:55 AM, aaron morton wrote:
> 45 minutes for 90GB is high.
>
> The odd one out here is using NFS, local storage is the norm.
>
> I would look into the NFS firs
45 minutes for 90GB is high.
The odd one out here is using NFS, local storage is the norm.
I would look into the NFS first, low network IO and low CPU would suggest it is
waiting on disk IO. The simple thing would be to try starting from local disk
and see how much faster it is. Or look at th
Good evening,
I am interested in improving the startup time of our cassandra cluster.
We have a 3 node cluster (replication factor of 3) in which our application
requires quorum reads and writes to function.
Each machine is well specced with 24gig of ram, 10 cores, jna enabled etc.
On each serv