Hi,
I m streaming a big sstable using bulk loader of sstableloader but it's
very slow (3 Mbytes/sec) :
Summary statistics:
Connections per host: : 1
Total files transferred: : 1
Total bytes transferred: : 10357947484
Total duration (ms): : 3280229
It sounds as though you could be having troubles with Garbage Collection. Check
your cassandra system logs and search for GC. If you see frequent garbage
collections taking more than a second or two to complete, you're going to need
to do some configuration tweaking.
On 05/07/2015 04:44 AM,
When I upload I notice one core of the cassandra node is full CPU (all
other cores are idleing),
Take a look at the interrupt distribution (cat /proc/interrupts). You'll
probably see disk and network interrupts mostly/all bound to CPU0. If that
is the case, this article has an excellent
