Denis, thanks a lot for your explanations. 2017-04-17 21:20 GMT+03:00 Denis Magda <dma...@apache.org>:
> It depends on a storage. If it’s a relational database and > isStoreKeepBinary is false then an object will be deserialized upon the > store invocation and the storage will insert or update a record using > “INSERT * ..” or “UPDATE * …” statements. Take a look at the code. > > — > Denis > > > On Apr 17, 2017, at 5:04 AM, Vyacheslav Daradur <daradu...@gmail.com> > wrote: > > > >>> When you transfer an object over the wire or put it into a persistent > > store (withKeepBinary property enabled) then only the byte array is used. > > If we put objects into persistent store and withKeepBinary property is > > DISABLED, in wich form it will be stored? > > > > 2017-04-16 18:29 GMT+03:00 Denis Magda <dma...@apache.org>: > > > >> 1. When you transfer an object over the wire or put it into a persistent > >> store (withKeepBinary property enabled) then only the byte array is > used. > >> 2. No > >> > >> — > >> Denis > >> > >>> On Apr 15, 2017, at 1:51 PM, Vyacheslav Daradur <daradu...@gmail.com> > >> wrote: > >>> > >>>>> 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? > >>> > >>> I meant: Are there any cases of described (1,2) situations. > >>> If yes, which cases? > >>> > >>> 2017-04-15 23:44 GMT+03:00 Vyacheslav Daradur <daradu...@gmail.com>: > >>> > >>>> 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 > >>>> > >>> > >>> > >>> > >>> -- > >>> Best Regards, Vyacheslav > >> > >> > > > > > > -- > > Best Regards, Vyacheslav > > -- Best Regards, Vyacheslav
