Quanlong Huang has posted comments on this change. ( http://gerrit.cloudera.org:8080/15370 )
Change subject: IMPALA-6636: Use async IO in ORC scanner ...................................................................... Patch Set 21: (2 comments) Sorry to be late here.. The patch looks pretty good! Start looking into more details. http://gerrit.cloudera.org:8080/#/c/15370/21/be/src/exec/hdfs-orc-scanner.cc File be/src/exec/hdfs-orc-scanner.cc: http://gerrit.cloudera.org:8080/#/c/15370/21/be/src/exec/hdfs-orc-scanner.cc@165 PS21, Line 165: return false; Why we exclude these index streams? They will be read when we add SearchArguments(i.e. pushdown predicates). Could you add some comments? http://gerrit.cloudera.org:8080/#/c/15370/21/be/src/exec/hdfs-orc-scanner.cc@484 PS21, Line 484: unique_ptr<orc::InputStream> input_stream(input_stream_); Should we use shared_ptr instead? -- To view, visit http://gerrit.cloudera.org:8080/15370 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-Project: Impala-ASF Gerrit-Branch: master Gerrit-MessageType: comment Gerrit-Change-Id: I348ad9e55f0cae7dff0d74d941b026dcbf5e4074 Gerrit-Change-Number: 15370 Gerrit-PatchSet: 21 Gerrit-Owner: Csaba Ringhofer <csringho...@cloudera.com> Gerrit-Reviewer: Csaba Ringhofer <csringho...@cloudera.com> Gerrit-Reviewer: Impala Public Jenkins <impala-public-jenk...@cloudera.com> Gerrit-Reviewer: Kurt Deschler <kdesc...@cloudera.com> Gerrit-Reviewer: Quanlong Huang <huangquanl...@gmail.com> Gerrit-Reviewer: Riza Suminto <riza.sumi...@cloudera.com> Gerrit-Comment-Date: Mon, 17 Jan 2022 09:29:16 +0000 Gerrit-HasComments: Yes
