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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/04/04 05:13:37 UTC
[GitHub] [arrow-datafusion] yjshen commented on pull request #2146: Buffer records in row format in memory for SortExec
yjshen commented on PR #2146:
URL: https://github.com/apache/arrow-datafusion/pull/2146#issuecomment-1087124793
Hardware Settings:
```
H/W path Device Class Description
====================================================================
system MS-7D53 (To be filled by O.E.M.)
/0 bus MPG X570S EDGE MAX WIFI (MS-7D53)
/0/0 memory 64KiB BIOS
/0/11 memory 32GiB System Memory
/0/11/0 memory 3600 MHz (0.3 ns) [empty]
/0/11/1 memory 16GiB DIMM DDR4 Synchronous Unbuffered (Unregistered) 3600 MHz (0.3
/0/11/2 memory 3600 MHz (0.3 ns) [empty]
/0/11/3 memory 16GiB DIMM DDR4 Synchronous Unbuffered (Unregistered) 3600 MHz (0.3
/0/14 memory 1MiB L1 cache
/0/15 memory 8MiB L2 cache
/0/16 memory 64MiB L3 cache
/0/17 processor AMD Ryzen 9 5950X 16-Core Processor
```
## A modified version of TPC-H q1:
```sql
select
l_returnflag,
l_linestatus,
l_quantity,
l_extendedprice,
l_discount,
l_tax
from
lineitem
order by
l_extendedprice,
l_discount;
```
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