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Hive QA commented on HIVE-20279: -------------------------------- | (/) *{color:green}+1 overall{color}* | \\ \\ || Vote || Subsystem || Runtime || Comment || || || || || {color:brown} Prechecks {color} || | {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m 0s{color} | {color:green} The patch does not contain any @author tags. {color} | || || || || {color:brown} master Compile Tests {color} || | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 7m 56s{color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 16s{color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 11s{color} | {color:green} master passed {color} | | {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 0m 25s{color} | {color:blue} druid-handler in master has 13 extant Findbugs warnings. {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 11s{color} | {color:green} master passed {color} | || || || || {color:brown} Patch Compile Tests {color} || | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 34s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 16s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 16s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 10s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m 0s{color} | {color:green} The patch has no whitespace issues. {color} | | {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 0m 33s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 12s{color} | {color:green} the patch passed {color} | || || || || {color:brown} Other Tests {color} || | {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 12s{color} | {color:green} The patch does not generate ASF License warnings. {color} | | {color:black}{color} | {color:black} {color} | {color:black} 11m 14s{color} | {color:black} {color} | \\ \\ || Subsystem || Report/Notes || | Optional Tests | asflicense javac javadoc findbugs checkstyle compile | | uname | Linux hiveptest-server-upstream 3.16.0-4-amd64 #1 SMP Debian 3.16.36-1+deb8u1 (2016-09-03) x86_64 GNU/Linux | | Build tool | maven | | Personality | /data/hiveptest/working/yetus_PreCommit-HIVE-Build-13100/dev-support/hive-personality.sh | | git revision | master / c0f63bf | | Default Java | 1.8.0_111 | | findbugs | v3.0.0 | | modules | C: druid-handler U: druid-handler | | Console output | http://104.198.109.242/logs//PreCommit-HIVE-Build-13100/yetus.txt | | Powered by | Apache Yetus http://yetus.apache.org | This message was automatically generated. > HiveContextAwareRecordReader slows down Druid Scan queries. > ------------------------------------------------------------ > > Key: HIVE-20279 > URL: https://issues.apache.org/jira/browse/HIVE-20279 > Project: Hive > Issue Type: Improvement > Reporter: Nishant Bangarwa > Assignee: Nishant Bangarwa > Priority: Major > Attachments: HIVE-20279.1.patch, HIVE-20279.2.patch, > HIVE-20279.patch, scan2.svg > > > HiveContextAwareRecordReader add lots of overhead for Druid Scan Queries. > See attached flame graph. > Looks like the operations for checking for existence of footer/header buffer > takes most of time For druid and other storage handlers that do not have > footer buffer we should skip the logic for checking the existence for storage > handlers atleast. -- This message was sent by Atlassian JIRA (v7.6.3#76005)