Re: Concurrent operations on LOBs

2012-11-13 Thread Nick99
hi, I think I bumped into a similar bug. I have a multithreaded app; an instance of some class is updated; then it is loaded and an NPE is thrown by H2. I use #169, Windows 7, NTFS. I cannot provide a test case at the moment; nor can I reproduce it again. Could you please look what can be

Re: Concurrent operations on LOBs

2012-11-13 Thread Thomas Mueller
Hi, It seems the CLOB is closed, but I'm not sure why that would be, because the result set is still open it seems. I'm afraid I don't know what could be the problem in this case. Regards, Thomas On Tue, Nov 13, 2012 at 4:50 PM, Nick99 nail.abda...@gmail.com wrote: hi, I think I bumped

Re: H2 Concurrency performace issue...Please help

2012-11-13 Thread Sri
Sorry I was looking into some other things...now I got back to this.. How do we determine if disk io is capped? I do see disk io is varying (up and down from 40kb- 200kb and occasionally shoots up to 950kb) all the time when I observed windows resource monitor. -Sri On Friday, November 2,

Re: H2 Concurrency performace issue...Please help

2012-11-13 Thread Ryan How
Other people might have some suggestions, but I guess if you try it on a solid state disk or just trial as an in memory database and see if it performs faster. Or you could also try it on a ram disk and see if it improves performance. That way you don't need to try any other hardware. At