Hi,
currently we are using the OpenJDK. The performance in general seemed to be ok, not awesome, but enough to run a osgi runtime with web server. However we will try the Orcale JDK too. THX, Klaus On Monday, April 8, 2013 9:51:30 PM UTC+1, Thomas Mueller wrote: > > Hi, > > Could you tell me which JVM you are using? Is it the Oracle one? I tried > with OpenJDK (two different JVMs) and it was very slow. But with the Oracle > JVM it should be OK. See also: > > http://www.oracle.com/technetwork/articles/java/raspberrypi-1704896.html > > At least it shouldn't take 6 seconds. With flash memory / solid state > disks there is still a lot of room for improvement by using the new MVStore > (work in progress). > > Regards, > Thomas > > > > On Mon, Apr 8, 2013 at 6:16 PM, Klausen Schaefersinho < > [email protected] <javascript:>> wrote: > >> Hi, >> >> we are using H2 for an OSGI application. Under linux and windows on an >> X86 the database performs very well. However when running on an ARM based >> system (raspberry pi) with flash memory (sd-card) the database inserts get >> terrible slow. Updating an exiting object (should string fields) takes 6 >> seconds! We are using eclipselink and the delay occurs during the commit of >> the JPA transaction. >> >> We first thought it's an IO problem so we used a faster SD-card but that >> didn't change anything. We have also tried Postgres instead and it worked >> well (~70ms), but we would like to continue using H2. >> >> Anybody has an idea why this happens? >> >> >> THX, >> >> Klaus >> >> >> >> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "H2 Database" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected] <javascript:>. >> To post to this group, send email to [email protected]<javascript:> >> . >> Visit this group at http://groups.google.com/group/h2-database?hl=en. >> For more options, visit https://groups.google.com/groups/opt_out. >> >> >> > > -- You received this message because you are subscribed to the Google Groups "H2 Database" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/h2-database?hl=en. For more options, visit https://groups.google.com/groups/opt_out.
