thank you very much. Mikael <[email protected]> 于2019年12月8日周日 上午1:24写道：
> Hi! > > The data regions are always off-heap, you just configure the Java heap for > on-heap usage with -Xmx and so on as usual, have a look in the > ignite.sh/ignite.bat, it depends on how you run your application, just > configure this any way you like if you use embedded Ignite instance, also > read the section about capacity planning. > > The java heap is just for java objects, services and any on-heap data, all > caches are stored in data regions and they are off heap and have nothing to > do with -Xmx except when you use on-heap caching. > > The Ignite documentation is very good and explains all you need to know on > how to configure it. > > > https://apacheignite.readme.io/docs/memory-configuration#section-on-heap-caching > > https://apacheignite.readme.io/docs/memory-configuration > > Mikael > Den 2019-12-07 kl. 17:41, skrev c c: > > HI, > According to document we can setup memory size by > org.apache.ignite.configuration.DataStorageConfiguration. > But we do not know this works for off-heap or on-heap memory. We want to > know how to setup ignite jvm startup option(xms, xmx). Shoud jvm heap > memory be great than maxSixe in DataStorageConfiguration. We know some > hot data would be deserialized from off-heap to on-heap. Would you mind > giving me some advice? thanks very much! > >
