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[ARROW-3194] Fix setValueCount in spitAndTransfer for variable width vectors - Arrow - [issue]
...We need to use the split length as the value count of the target vector. We are incorrectly using the value count of the current vector for the target vector...
http://issues.apache.org/jira/browse/ARROW-3194    Author: Siddharth Teotia , 2018-09-21, 19:28
[ARROW-1621] [JAVA] Reduce Heap Usage per Vector - Arrow - [issue]
...https://docs.google.com/document/d/1MU-ah_bBHIxXNrd7SkwewGCOOexkXJ7cgKaCis5f-PI/edit...
http://issues.apache.org/jira/browse/ARROW-1621    Author: Siddharth Teotia , 2018-09-20, 02:32
[ARROW-1807] [JAVA] Reduce Heap Usage (Phase 3): consolidate buffers - Arrow - [issue]
...Consolidate buffers for reducing the volume of objects and heap usage<validity + data> => single buffer for fixed width< validity + offsets> = single buffer for var width, lis...
http://issues.apache.org/jira/browse/ARROW-1807    Author: Siddharth Teotia , 2018-08-30, 22:46
Arrow Sync - Arrow - [mail # dev]
...I have a clash this morning so won't be able to join the call....
   Author: Siddharth Teotia , 2018-08-22, 14:56
[VOTE] Accept donation of Gandiva to Apache Arrow - Arrow - [mail # dev]
...+1On Thu, Aug 16, 2018 at 9:57 AM, Julian Hyde  wrote:> +1> On Thu, Aug 16, 2018 at 8:56 AM Wes McKinney  wrote:> >> > Dear all,> >> > The developers ...
   Author: Siddharth Teotia , 2018-08-16, 17:02
[expand - 1 more] - [JAVA] SIMD vectorized fill of ArrowBuf from Java primitive type array? - Arrow - [mail # dev]
...Also look hereto see how validity and data are copied independently between two vectorsbypassing all Arrow APIs and directly manipulating memory. The link pointsto copying of data buffer. Fu...
   Author: Siddharth Teotia , 2018-07-24, 00:24
[ARROW-1618] [JAVA] Reduce Heap Usage(Phase 1): move release listener logic to Allocation Manager - Arrow - [issue]
...We have seen in our tests that there is some scope of improvement as far as the number of objects and/or sizing of some data structures is concerned.https://docs.google.com/document/d/1MU-ah...
http://issues.apache.org/jira/browse/ARROW-1618    Author: Siddharth Teotia , 2018-07-08, 14:24
[DISCUSS] Developing a standard memory layout for in-memory records / "row-oriented" data - Arrow - [mail # dev]
...I am wondering if this can be considered as an opportunity to implementsupport in Arrow for building high performance in-memory row stores for lowlatency and high throughput key based querie...
   Author: Siddharth Teotia , 2018-06-27, 07:21
[expand - 1 more] - JDBC Adapter PR - 1759 - Arrow - [mail # dev]
...Atul,I will go through it first thing today morning and assuming everythinglooks good, let's plan to get this merged soon.Thanks for all your work and my apologies for delay.ThanksSiddOn Thu...
   Author: Siddharth Teotia , 2018-06-15, 15:07
Arrow sync at 12:00 US/Eastern today - Arrow - [mail # dev]
...I have a conflict so won't be able to join.On Wed, Jun 13, 2018, 5:46 AM Wes McKinney  wrote:> As usual we will be meeting at https://meet.google.com/vtm-teks-phx>...
   Author: Siddharth Teotia , 2018-06-13, 15:58