Re: How to determine compaction bottlenecks

2012-11-28 Thread Derek Bromenshenkel
aaron morton thelastpickle.com> writes: > > > > I've been playing around with trying to figure out what is making compactions run so slow.Is this regular compaction or table upgrades ?  > I *think* upgrade tables is single threaded.  > Do you have some compaction logs lines that say "Compacte

Re: How to determine compaction bottlenecks

2012-11-27 Thread aaron morton
> I've been playing around with trying to figure out what is making compactions > run so slow. Is this regular compaction or table upgrades ? I *think* upgrade tables is single threaded. Do you have some compaction logs lines that say "Compacted to…"? It's handy to see the throughput and the n

How to determine compaction bottlenecks

2012-11-27 Thread Derek Bromenshenkel
Setup: C* 1.1.6, 6 node (Linux, 64GB RAM, 16 Core CPU, 2x512 SSD), RF=3, 1.65TB total used Background: Client app is off - no reads/writes happening. Doing some cluster maintenance requiring node repairs and upgradesstables. I've been playing around with trying to figure out what is making compa