[jira] [Created] (ARROW-1444) BitVector.splitAndTransfer copies last byte incorrectly

2017-08-31 Thread SIDDHARTH TEOTIA (JIRA)
SIDDHARTH TEOTIA created ARROW-1444: --- Summary: BitVector.splitAndTransfer copies last byte incorrectly Key: ARROW-1444 URL: https://issues.apache.org/jira/browse/ARROW-1444 Project: Apache Arrow

Re: Apache Arrow at JupyterCon

2017-08-31 Thread Gang(Gary) Wang
Hi Wes, Thank you for the explanation. the usage of https://issues.apache.org/jira/browse/ARROW-721 could be directly supported by Mnemonic through DurableBuffer and DurableChunk, the DurableChunk makes use of unsafe to expose a plain memory space for Arrow to use without performance penalties. th

Re: Arrow 0.7.0 release timeline

2017-08-31 Thread Wes McKinney
hi folks, There are a number of Java-related patches in flight that are going to need some TLC from folks with deeper experience using the affected code in downstream projects: Union changes + integration tests: https://github.com/apache/arrow/pull/987 Decimal type improvements + integration test

Re: Apache Arrow at JupyterCon

2017-08-31 Thread Wes McKinney
hi Gary, The Java libraries are not yet capable of writing or zero-copy reads of Arrow datasets to/from shared memory or memory-mapped files: https://issues.apache.org/jira/browse/ARROW-721. We've developed quite a bit of technology on the C++ side for dealing with shared memory IPC but we need so

Re: Next Arrow sync call

2017-08-31 Thread Wes McKinney
Great. The next Arrow sync will be at 16:00 UTC (12:00 New York Time) on Thursday, September 7. I will send out a Google Hangout link beforehand On Thu, Aug 31, 2017 at 11:49 AM, Li Jin wrote: > +1 > On Tue, Aug 29, 2017 at 10:04 AM Wes McKinney wrote: > >> Thursday is OK by me. >> >> On Tue, A

Re: Next Arrow sync call

2017-08-31 Thread Li Jin
+1 On Tue, Aug 29, 2017 at 10:04 AM Wes McKinney wrote: > Thursday is OK by me. > > On Tue, Aug 29, 2017 at 4:07 AM, Uwe L. Korn wrote: > > Can we do it on Thursday? I'm busy on Wednesday. > > > > Uwe >

[jira] [Created] (ARROW-1443) [Java] Bug on ArrowBuf.setBytes with unsliced ByteBuffers

2017-08-31 Thread Gonzalo Ortiz (JIRA)
Gonzalo Ortiz created ARROW-1443: Summary: [Java] Bug on ArrowBuf.setBytes with unsliced ByteBuffers Key: ARROW-1443 URL: https://issues.apache.org/jira/browse/ARROW-1443 Project: Apache Arrow

[jira] [Created] (ARROW-1442) [Website] Add pointer to nightly conda packages on /install

2017-08-31 Thread Wes McKinney (JIRA)
Wes McKinney created ARROW-1442: --- Summary: [Website] Add pointer to nightly conda packages on /install Key: ARROW-1442 URL: https://issues.apache.org/jira/browse/ARROW-1442 Project: Apache Arrow

[jira] [Created] (ARROW-1441) [Ruby] Add Ruby to Flexible section

2017-08-31 Thread Yusaku Hatanaka (JIRA)
Yusaku Hatanaka created ARROW-1441: -- Summary: [Ruby] Add Ruby to Flexible section Key: ARROW-1441 URL: https://issues.apache.org/jira/browse/ARROW-1441 Project: Apache Arrow Issue Type: Impr

[jira] [Created] (ARROW-1440) Segmentation fault after loading parquet file to pandas dataframe

2017-08-31 Thread Jarno Seppanen (JIRA)
Jarno Seppanen created ARROW-1440: - Summary: Segmentation fault after loading parquet file to pandas dataframe Key: ARROW-1440 URL: https://issues.apache.org/jira/browse/ARROW-1440 Project: Apache Arr