Software installed on C: Heavy I/O is happening on E: C: is 10k 74gb drive E: is 2 15k 750gb drives, raid 0 It is an HP server, w/2 xeon cpus. I don't remember the speed, but it is about a year old. It is running Windows 2003 server w/ over 8 gigs of ram. We never have a memory problem.
Hope that helps. Thanks. elihusmails wrote: > > what is your hardware configuration? > > > On Mon, Aug 11, 2008 at 8:23 PM, sub3 <[EMAIL PROTECTED]> wrote: > >> >> Sorry, that last sentence sounds wrong, let me restate: >> When I run several of those Test.java programs I attached, ActiveMQ >> stops. >> W/o these running ActiveMQ is fine. >> So I don't know if it is a system resource issue, if so, what? >> Or it is a condition that only arises when the system is bogged down with >> i/o. >> >> Any insight would be appreciated. Thanks. >> >> >> sub3 wrote: >> > >> > That is correct. The processes that are performing the i/o on the disk >> > are separate jvms. It is not the same as the components using >> ActiveMQ. >> > They high i/o usage are somehow causing ActiveMQ to stop. I've run >> many >> > tests, with and without them running, ActiveMQ halts w/o any >> > warnings/errors & it never recovers. >> > >> > >> > elihusmails wrote: >> >> >> >> So if I understand this right, you are sending messages to ActiveMQ >> while >> >> performing I/O, and ActiveMQ is not performing any I/O (other than >> >> caching >> >> of data) since you are not persisting any data. >> >> >> >> Is this true? >> >> >> >> >> >> >> >> On Mon, Aug 11, 2008 at 5:08 PM, sub3 <[EMAIL PROTECTED]> wrote: >> >> >> >>> >> >>> I have a system where 1 is sending to several (a & b) and >> occasionally >> b >> >>> sends to c (all queues). Very simple. Persistence is set to false. >> >>> Queue >> >>> sizes are capped at 50mb. >> >>> >> >>> If I put the system under a heavy i/o load (several programs >> >>> reading/writing >> >>> lots of files), ActiveMQ will stop. >> >>> >> >>> Am I hitting some system resource issue here, and if so, what is it? >> >>> Also, >> >>> is there a way to get ActiveMQ to recover? >> >>> >> >>> I've attached my activemq.xml file, and a sample program to create >> i/o >> >>> load >> >>> (sometime I run several of these). I am running on Windows Server >> 2003. >> >>> >> >>> Thanks. >> >>> http://www.nabble.com/file/p18933907/activemq.xml activemq.xml >> >>> http://www.nabble.com/file/p18933907/Test.java Test.java >> >>> -- >> >>> View this message in context: >> >>> http://www.nabble.com/Under-IO-Load-tp18933907p18933907.html >> >>> Sent from the ActiveMQ - User mailing list archive at Nabble.com. >> >>> >> >>> >> >> >> >> >> > >> > >> >> -- >> View this message in context: >> http://www.nabble.com/Under-IO-Load-tp18933907p18936148.html >> Sent from the ActiveMQ - User mailing list archive at Nabble.com. >> >> > > -- View this message in context: http://www.nabble.com/Under-IO-Load-tp18933907p18943417.html Sent from the ActiveMQ - User mailing list archive at Nabble.com.
