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Hudson commented on HBASE-28621: -------------------------------- Results for branch branch-2.6 [build #235 on builds.a.o|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-2.6/235/]: (x) *{color:red}-1 overall{color}* ---- details (if available): (/) {color:green}+1 general checks{color} -- For more information [see general report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-2.6/235/General_20Nightly_20Build_20Report/] (x) {color:red}-1 jdk8 hadoop2 checks{color} -- For more information [see jdk8 (hadoop2) report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-2.6/235/JDK8_20Nightly_20Build_20Report_20_28Hadoop2_29/] (/) {color:green}+1 jdk8 hadoop3 checks{color} -- For more information [see jdk8 (hadoop3) report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-2.6/235/JDK8_20Nightly_20Build_20Report_20_28Hadoop3_29/] (/) {color:green}+1 jdk11 hadoop3 checks{color} -- For more information [see jdk11 report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-2.6/235/JDK11_20Nightly_20Build_20Report_20_28Hadoop3_29/] (x) {color:red}-1 jdk17 hadoop3 checks{color} -- For more information [see jdk17 report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-2.6/235/JDK17_20Nightly_20Build_20Report_20_28Hadoop3_29/] (/) {color:green}+1 jdk17 hadoop ${HADOOP_THREE_VERSION} backward compatibility checks{color} -- For more information [see jdk17 report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-2.6/235/JDK17_20Nightly_20Build_20Report_20_28Hadoop3_29/] (/) {color:green}+1 jdk17 hadoop ${HADOOP_THREE_VERSION} backward compatibility checks{color} -- For more information [see jdk17 report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-2.6/235/JDK17_20Nightly_20Build_20Report_20_28Hadoop3_29/] (/) {color:green}+1 source release artifact{color} -- See build output for details. (/) {color:green}+1 client integration test for HBase 2 {color} (/) {color:green}+1 client integration test for 3.3.5 {color} (/) {color:green}+1 client integration test for 3.3.6 {color} (/) {color:green}+1 client integration test for 3.4.0 {color} > PrefixFilter should use SEEK_NEXT_USING_HINT > --------------------------------------------- > > Key: HBASE-28621 > URL: https://issues.apache.org/jira/browse/HBASE-28621 > Project: HBase > Issue Type: Improvement > Components: Filters > Reporter: Istvan Toth > Assignee: Dávid Paksy > Priority: Major > Labels: beginner, beginner-friendly, pull-request-available > Fix For: 2.7.0, 3.0.0-beta-2, 2.5.11, 2.6.2 > > > Looking at PrefixFilter, I have noticed that it doesn't use the > SEEK_NEXT_USING_HINT mechanism. > AFAICT, we could safely set the the prefix as a next row hint, which could be > a huge performance win. > Of course, ideally the user would set the scan startRow to the prefix, which > avoids the problem, but the user may forget to do that, or may use the filter > in a filterList that doesn't allow for setting the start/stop rows close tho > the prefix. -- This message was sent by Atlassian Jira (v8.20.10#820010)