Joe McDonnell has uploaded this change for review. ( 
http://gerrit.cloudera.org:8080/21712


Change subject: IMPALA-12363: Upgrade RE2 to 2023-03-01
......................................................................

IMPALA-12363: Upgrade RE2 to 2023-03-01

This bumps the version of re2 to 2023-03-01, which is the
last release that doesn't have an Abseil dependency.
The toolchain already contains a build of re2 2023-03-01,
so there is no need to bump the toolchain version.

This has a performance benefit for TPC-H's Q13, which uses
this predicate: "o_comment not like '%special%requests%"
This like predicate is complicated enough that it doesn't fit
the heavily optimized paths that exist for simpler likes.
Instead, this gets converted to an RE2 regex. The newer RE2
significantly improves performance of that predicate, and
TPC-H Q13 gets ~9% faster.

Testing:
 - Ran a core job
 - Ran a perf-AB-test

Change-Id: Ic7f131102bd7590d222f22dcc412d9fd2286f006
---
M bin/impala-config.sh
1 file changed, 1 insertion(+), 1 deletion(-)



  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/12/21712/1
--
To view, visit http://gerrit.cloudera.org:8080/21712
To unsubscribe, visit http://gerrit.cloudera.org:8080/settings

Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: Ic7f131102bd7590d222f22dcc412d9fd2286f006
Gerrit-Change-Number: 21712
Gerrit-PatchSet: 1
Gerrit-Owner: Joe McDonnell <[email protected]>

Reply via email to