Yida Wu has posted comments on this change. ( http://gerrit.cloudera.org:8080/17979 )
Change subject: IMPALA-10791 Add batching reading for remote temporary files ...................................................................... Patch Set 10: The patch optimizes the mechanism of fetching the blocks, now there will be no waits for the block fetching. This change shortens the query time of tpcds-q78, which was found around 10% regression compared to the "no batch" in patch 7. Below is the new performance results on tpcds-q78, both run for three rounds and the fastest one would be the result. Batch No Batch 9m48s 10m5s More optimizations on batch reading will be in IMPALA-11064. -- To view, visit http://gerrit.cloudera.org:8080/17979 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-Project: Impala-ASF Gerrit-Branch: master Gerrit-MessageType: comment Gerrit-Change-Id: I1dcc5d0881ffaeff09c5c514306cd668373ad31b Gerrit-Change-Number: 17979 Gerrit-PatchSet: 10 Gerrit-Owner: Yida Wu <wydbaggio...@gmail.com> Gerrit-Reviewer: Abhishek Rawat <ara...@cloudera.com> Gerrit-Reviewer: Impala Public Jenkins <impala-public-jenk...@cloudera.com> Gerrit-Reviewer: Qifan Chen <qc...@cloudera.com> Gerrit-Reviewer: Yida Wu <wydbaggio...@gmail.com> Gerrit-Comment-Date: Tue, 08 Feb 2022 05:21:26 +0000 Gerrit-HasComments: No
