Re: char types in c and ipc in java

2016-06-10 Thread Kiril Menshikov
Hi Wes, What is the most complete arrow version at the moment? I can see C++ and Python are most active and Java was coped from Drill. So does this mean that we can use the C++ version as a reference? I also want to help you. I can do metadata read/write, if nobody doing it. Thanks, -Kiril >

Re: [JAVA] Figuring out whats shifted from Drill/Java

2016-06-13 Thread Kiril Menshikov
Hi, Does this mean that offset must be adjusted depending on the UDLE memory. So new memory address will be align to 64 bits? > > The first thing we should do for the alignment in Java is adjust the > allocator so that it always allocates on a 64 bit offset. Does someone want > to look at that?

Re: [JAVA] Figuring out whats shifted from Drill/Java

2016-06-16 Thread Kiril Menshikov
2016 at 2:14 PM, Kiril Menshikov wrote: Hi, Does this mean that offset must be adjusted depending on the UDLE memory. So new memory address will be align to 64 bits? The first thing we should do for the alignment in Java is adjust the allocator so that it always allocates on a 64 bit offset. Doe

Re: [JAVA] Figuring out whats shifted from Drill/Java

2016-06-16 Thread Kiril Menshikov
tValueCount >> and similar operations (capcity) are done at the right range. I'd expect >> this second one to be best done on top of Steven's work. >> >> >> >> >> >> On Mon, Jun 13, 2016 at 2:14 PM, Kiril Menshikov >> wrote: >&

Re: [JAVA] Figuring out whats shifted from Drill/Java

2016-07-01 Thread Kiril Menshikov
at 21:32, Kiril Menshikov wrote: > > Yes, I’d rather write the test. > >> On Jun 16, 2016, at 18:59, Jacques Nadeau wrote: >> >>> Netty buffer always allocate memory aligned to 64-bytes. So each new >>> ArrowBuf will be aligned to 64-bytes as well, with off

[JAVA] Contribute to Apache Arrow

2016-07-12 Thread Kiril Menshikov
Hi Everyone, I am interested to help arrow community. What open tasks can I take? -Kiril

Re: [JAVA] Contribute to Apache Arrow

2016-07-14 Thread Kiril Menshikov
ignment. Will get to it soon. > > Thanks for all your help! > > Jacques > > > On Tue, Jul 12, 2016 at 8:36 AM, Kiril Menshikov > wrote: > >> Hi Everyone, >> >> I am interested to help arrow community. What open tasks can I take? >> >> -Kiril >>

Re: Can someone help me how should I start using Arrow Java Jars ?

2016-08-01 Thread Kiril Menshikov
Hi Sanjay, You need to check out latest arrow: git clone https://github.com/apache/arrow Go to the java folder and run maven: mvn install After you will find two jars: memory/target/arrow-memory-0.1-SNAPSHOT.jar vector/target/vector-0.1-SNAPSHOT.jar Arrow example: BufferAllocator allocator =