Re: [Sequoiadb-discuss] [Sequoia] Sequoia 2.10.10 extremely slow...

[Robert D. <rob...@bp...>]

> Hi Robert,

Hi,


> To better understand what the benchmark is doing, could you tell 
> us more about the transactions that are being executed? How many 
> reads/writes per transaction? How many threads executing transactions
> in parallel?

It's a TPC-B Benchmark and was later modified by Guillaume Smet
(sequoia-list) for having a read-only benchmark. There are three
UPDATEs, one INSERT and one SELECT per transaction and i tried several
settings of 10 or more clients doing one transaction at the same time.



> About your setup, what network connectivity do you have between the 
> machines?

100Mbit.



> What group communication configuration do you use between your 
> controllers?

I'm using the hedera jgroup communication like in the distributed demo.



> When you perform your reference run on a single Postgres, does
> Postgres run in a VM as well? Does JDBCBench run in a remote VM?

All the PostgreSQL-servers are running on virtualmachines on different
servers and JDBCBench is running on my box. 



Sincerly yours,

Robert