Re: [GENERAL] PG in cash till machines

2013-05-11 Thread Chris Travers
Having some experience in the point of sale area, you are right to be concerned. Before I go to inline points, I just want to say that my experience is that PostgreSQL does an admirable job reliability-wise in such environments, but it isn't perfect (no software solution can be) and the problems t

Re: [GENERAL] PG in cash till machines

2013-05-11 Thread Bexley Hall
Hi John, On 5/10/2013 2:55 PM, John R Pierce wrote: On 5/10/2013 2:11 PM, Bexley Hall wrote: Having designed (regulated) gaming and "grey area" devices (each handling hard currency), I can tell you that you have to have already performed a pretty exhaustive threat analysis (e.g., red team, blue

Re: [GENERAL] PG in cash till machines

2013-05-10 Thread John R Pierce
On 5/10/2013 2:11 PM, Bexley Hall wrote: Having designed (regulated) gaming and "grey area" devices (each handling hard currency), I can tell you that you have to have already performed a pretty exhaustive threat analysis (e.g., red team, blue\ team) *before* you start the product's design. If y

Re: [GENERAL] PG in cash till machines

2013-05-10 Thread Bexley Hall
Hi Carlos, On 5/10/2013 6:43 AM, Carlos Henrique Reimer wrote: We are developing a solution which will run in thousands of small cash till machines running Linux and we would like to use PostgreSQL but there is a insecurity feeling regarding the solution basically because these boxes would be ex

Re: [GENERAL] PG in cash till machines

2013-05-10 Thread Paul Jungwirth
>> Our major concern is related to the write-back issues we can face in this >> environment. I agree this is the OS's responsibility. Greg Smith's Postgres: High Performance book has a lot to say about this, but there's also a lot you could read online, since it's really a requirement for any Post

Re: [GENERAL] PG in cash till machines

2013-05-10 Thread Merlin Moncure
On Fri, May 10, 2013 at 8:43 AM, Carlos Henrique Reimer wrote: > Hi, > > We are developing a solution which will run in thousands of small cash till > machines running Linux and we would like to use PostgreSQL but there is a > insecurity feeling regarding the solution basically because these boxes

[GENERAL] PG in cash till machines

2013-05-10 Thread Carlos Henrique Reimer
Hi, We are developing a solution which will run in thousands of small cash till machines running Linux and we would like to use PostgreSQL but there is a insecurity feeling regarding the solution basically because these boxes would be exposed to an insecure environment and insecure procedures like