[IMPALA-3048] Address Runtime filter performance regressions - ASF JIRA

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Details

Type: Bug
Status: Resolved
Priority: Blocker
Resolution: Fixed
Affects Version/s: Impala 2.5.0
Fix Version/s: Impala 2.5.0
Component/s: Backend
Labels:
- performance
- runtime-filters

Target Version:

Impala 2.5.0

Description

TPC-DS Q88 and Q96 are showing regression compared to Impala 2.3 which are mainly due to newly added functionality.

Query	Impala 2.3	Impala 2.5
88	147	297
96	20	86

Attachments

Attachments

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Q88-Impala-2.5.csv
21/Feb/16 22:41
20 kB
Mostafa Mokhtar
Q96-Impala-2.5.csv
21/Feb/16 22:41
15 kB
Mostafa Mokhtar

Sub-Tasks

1.	Address cache misses introduced Runtime filter counters		Resolved	Henry Robinson
2.	Replace vectors with arrays		Resolved	Henry Robinson
3.	Reorder Parquet Column readers such that slots with probe filters are read first		Resolved	Unassigned

Activity

People

Assignee:: Henry Robinson

Reporter:: Mostafa Mokhtar

Votes:: 0 Vote for this issue

Watchers:: 4 Start watching this issue

Dates

Created:: 21/Feb/16 22:10

Updated:: 25/Feb/16 14:56

Resolved:: 25/Feb/16 14:56