If we use a cache which is configured to use binary mashaller: 1. In which cases a placed in the cache object (serialized object) won't be wrapped? 2. In which cases a placed in the cache object won't be serialized (to byte array) and will be stored as is?
2017-04-14 20:03 GMT+03:00 Denis Magda <dma...@apache.org>: > If a serialized object is stored in an on-heap cache then it will be > wrapped by BinaryObjectImp but if it’s an off-heap cache then > BinaryObjectOffHeapImpl is used instead. > > — > Denis > > > On Apr 14, 2017, at 12:32 AM, Vyacheslav Daradur <daradu...@gmail.com> > wrote: > > > >>> when it’s stored in memory in a specific cache partition > > Does that mean that any serialized object is always stored IN MEMORY as > is > > wrapped by BinaryObjectImpl? > > > > > > > > 2017-04-14 3:42 GMT+03:00 Denis Magda <dma...@apache.org>: > > > >> A serialized object is always wrapped by BinaryObjectImpl when it’s > stored > >> in memory in a specific cache partition or you access it from your > >> application in a form of BinaryObject. However, when you transfer the > >> object over the wire or put it into a persistent store (withKeepBinary > >> property enabled) then only the byte array is used. > >> > >> — > >> Denis > >> > >>> On Apr 13, 2017, at 12:21 AM, Vyacheslav Daradur <daradu...@gmail.com> > >> wrote: > >>> > >>> Denis, thank you for answers. > >>> > >>> I meant another. > >>> > >>> For example: > >>> Cache queries use a BinaryObjectImpl and a withKeepBinary-mode use it, > so > >>> looks like all actions on serialized object are make via a > >> BinaryObjectImpl. > >>> > >>> Does a serialized object always is stored as BinaryObjectImpl or it > will > >> be > >>> wrapped on demand? > >>> > >>> 2017-04-12 22:34 GMT+03:00 Denis Magda <dma...@apache.org>: > >>> > >>>> A Java wrapper around an actual binary byte array with some additional > >>>> fields and methods to work with the serialized data. > >>>> > >>>> — > >>>> Denis > >>>> > >>>>> On Apr 12, 2017, at 8:33 AM, Vyacheslav Daradur <daradu...@gmail.com > > > >>>> wrote: > >>>>> > >>>>> In what cases BinaryObjecImpl is used? > >>>>> > >>>>> 2017-04-12 18:08 GMT+03:00 Denis Magda <dma...@apache.org>: > >>>>> > >>>>>> Hi, > >>>>>> > >>>>>> A cache entry is always stored in a binary format (byte array) in a > >>>> cache. > >>>>>> Even when you transfer an entry from one node to another, as a > result > >> of > >>>>>> cache.put(…), operation the entry will be serialized into the binary > >>>> format > >>>>>> and transferred over the wire. > >>>>>> > >>>>>> — > >>>>>> Denis > >>>>>> > >>>>>>> On Apr 12, 2017, at 1:11 AM, Vyacheslav Daradur < > daradu...@gmail.com > >>> > >>>>>> wrote: > >>>>>>> > >>>>>>> Hello Igniters! > >>>>>>> > >>>>>>> I have one conceptual question: > >>>>>>> > >>>>>>> When we put an object in IgniteCache, how it is stored? > >>>>>>> > >>>>>>> As I understand, after marshalling we have an array of bytes, > >>>>>>> 1) in a local node it is wrapped in BinaryObjectImpl and stored in > >>>> memory > >>>>>>> 2) it is sent to remote node as byte array where it will be wrapped > >> in > >>>>>>> BinaryObjectImpl and be stored in memory > >>>>>>> > >>>>>>> -- > >>>>>>> Best Regards, Vyacheslav > >>>>>> > >>>>>> > >>>>> > >>>>> > >>>>> -- > >>>>> Best Regards, Vyacheslav > >>>> > >>>> > >>> > >>> > >>> -- > >>> Best Regards, Vyacheslav > >> > >> > > > > > > -- > > Best Regards, Vyacheslav > > -- Best Regards, Vyacheslav
