Yup, understood ;-) Martin
On Fri, 2012-02-03 at 14:17 -0300, Vladimir Blagojevic wrote: > Martin, > > There will always be "problems" around sizing in these small containers. > I think we are all aware of it now, what is more important is that > eviction works properly in all other scenarios! I am ok with this! > > Regards, > Vladimir > > On 12-02-03 11:59 AM, Martin Gencur wrote: > > I see, for the bigger numbers entries are evicted (more than just to > > decrease the number to maxEntries) before I actually check the number so > > this is expected. For the 2,4,6,8,10 eviction did not run so the cache > > contains more than maxEntries. Are we OK with that? > > > > Thanks > > > > > > M. > > > > > > On Fri, 2012-02-03 at 15:29 +0100, Martin Gencur wrote: > >> Hi all, > >> I ran a few tests to find out what is the actual number of entries held > >> in a cache when certain "maxEntries" param is set for eviction and I > >> store more than maxEntries entries. I tested with HotSpot JDK6 [1], IBM > >> JDK 6,7 [2]. OpenJDK6 seems to have the same results as HotSpot JDK. > >> > >> Results: > >> > >> maxEntries being set -> actual number of entries held in the cache > >> > >> HotSpot JDK: > >> ------------ > >> > >> 2 -> 2 > >> 4 -> 4 > >> 6 -> 4 > >> 8 -> 8 > >> 10 -> 8 > >> 256 -> 232 > >> 300 -> 266 > >> > >> IBM JDK (both 6, 7): > >> -------------------- > >> > >> 2 -> 4 (2 with LIRS) > >> 4 -> 6 (4 with LIRS) > >> 6 -> 10 > >> 8 -> 11 (8 with LIRS) > >> 10 -> 13, (8 with LIRS) > >> 300 -> 287, (266 with LIRS) > >> 256 -> 247, (232 with LIRS) > >> > >> I modified one test in ispn-core to do this testing: > >> https://github.com/mgencur/infinispan/commit/837a1c752fa7fbfb3f05738dd873e78cbf71d071 > >> > >> > >> > >> Any thoughts ? :) > >> > >> > >> > >> [1] > >> > >> java version "1.6.0_21" > >> Java(TM) SE Runtime Environment (build 1.6.0_21-b06) > >> Java HotSpot(TM) 64-Bit Server VM (build 17.0-b16, mixed mode) > >> > >> [2] > >> > >> java version "1.6.0" > >> Java(TM) SE Runtime Environment (build pxi3260sr9fp1-20110208_03(SR9 > >> FP1)) > >> IBM J9 VM (build 2.4, JRE 1.6.0 IBM J9 2.4 Linux x86-32 > >> jvmxi3260sr9-20110203_74623 (JIT enabled, AOT enabled) > >> > >> java version "1.7.0" > >> Java(TM) SE Runtime Environment (build pxi3270-20110827_01) > >> IBM J9 VM (build 2.6, JRE 1.7.0 Linux x86-32 20110810_88604 (JIT > >> enabled, AOT enabled) > >> > >> > >> > -- Martin Gencur -- JBoss QE, Enterprise Data Grid Desk phone: +420 532 294 192, ext. 62192 _______________________________________________ infinispan-dev mailing list [email protected] https://lists.jboss.org/mailman/listinfo/infinispan-dev
