Michael Ho has posted comments on this change. ( http://gerrit.cloudera.org:8080/8146 )
Change subject: IMPALA-5307: Part 2: copy out strings in uncompressed Avro ...................................................................... Patch Set 15: (3 comments) http://gerrit.cloudera.org:8080/#/c/8146/15/be/src/exec/hdfs-avro-scanner-ir.cc File be/src/exec/hdfs-avro-scanner-ir.cc: http://gerrit.cloudera.org:8080/#/c/8146/15/be/src/exec/hdfs-avro-scanner-ir.cc@51 PS15, Line 51: !tuple->CopyStrings("HdfsAvroScanner::DecodeAvroData()", : state_, string_slot_offsets_.data(), string_slot_offsets_.size(), pool, : &parse_status_)) nit: tuple->CopyStrings(...) == nullptr http://gerrit.cloudera.org:8080/#/c/8146/15/be/src/exec/hdfs-avro-scanner.cc File be/src/exec/hdfs-avro-scanner.cc: http://gerrit.cloudera.org:8080/#/c/8146/15/be/src/exec/hdfs-avro-scanner.cc@1066 PS15, Line 1066: HdfsScanNodeBase* node Should this be const HdfsScanNodeBase* ? http://gerrit.cloudera.org:8080/#/c/8146/15/be/src/runtime/tuple-ir.cc File be/src/runtime/tuple-ir.cc: http://gerrit.cloudera.org:8080/#/c/8146/15/be/src/runtime/tuple-ir.cc@28 PS15, Line 28: for (int i = 0; i < num_string_slots; ++i) { Not sure if it will help but have you tried #pragma unroll hint here to see if it makes a difference. https://clang.llvm.org/docs/AttributeReference.html#pragma-unroll-pragma-nounroll -- To view, visit http://gerrit.cloudera.org:8080/8146 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-Project: Impala-ASF Gerrit-Branch: master Gerrit-MessageType: comment Gerrit-Change-Id: If1fc78790d778c874f5aafa5958c3c045a88d233 Gerrit-Change-Number: 8146 Gerrit-PatchSet: 15 Gerrit-Owner: Tim Armstrong <tarmstr...@cloudera.com> Gerrit-Reviewer: Dan Hecht <dhe...@cloudera.com> Gerrit-Reviewer: Michael Ho <k...@cloudera.com> Gerrit-Reviewer: Thomas Tauber-Marshall <tmarsh...@cloudera.com> Gerrit-Reviewer: Tim Armstrong <tarmstr...@cloudera.com> Gerrit-Comment-Date: Mon, 30 Oct 2017 20:44:13 +0000 Gerrit-HasComments: Yes