[ https://issues.apache.org/jira/browse/HIVE-20801?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17022616#comment-17022616 ]
Hive QA commented on HIVE-20801: -------------------------------- | (x) *{color:red}-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:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 2m 0s{color} | {color:blue} Maven dependency ordering for branch {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 7m 18s{color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 22s{color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 57s{color} | {color:green} master passed {color} | | {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 0m 34s{color} | {color:blue} common in master has 63 extant Findbugs warnings. {color} | | {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 3m 59s{color} | {color:blue} ql in master has 1532 extant Findbugs warnings. {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 15s{color} | {color:green} master passed {color} | || || || || {color:brown} Patch Compile Tests {color} || | {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 26s{color} | {color:blue} Maven dependency ordering for patch {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m 42s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 20s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m 20s{color} | {color:green} the patch passed {color} | | {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 0m 41s{color} | {color:red} ql: The patch generated 20 new + 298 unchanged - 0 fixed = 318 total (was 298) {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} 4m 48s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 13s{color} | {color:green} the patch passed {color} | || || || || {color:brown} Other Tests {color} || | {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 13s{color} | {color:green} The patch does not generate ASF License warnings. {color} | | {color:black}{color} | {color:black} {color} | {color:black} 28m 49s{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 3.16.43-2+deb8u5 (2017-09-19) x86_64 GNU/Linux | | Build tool | maven | | Personality | /data/hiveptest/working/yetus_PreCommit-HIVE-Build-20308/dev-support/hive-personality.sh | | git revision | master / 4193b54 | | Default Java | 1.8.0_111 | | findbugs | v3.0.1 | | checkstyle | http://104.198.109.242/logs//PreCommit-HIVE-Build-20308/yetus/diff-checkstyle-ql.txt | | modules | C: common ql U: . | | Console output | http://104.198.109.242/logs//PreCommit-HIVE-Build-20308/yetus.txt | | Powered by | Apache Yetus http://yetus.apache.org | This message was automatically generated. > ACID: Allow DbTxnManager to ignore non-ACID table locking > --------------------------------------------------------- > > Key: HIVE-20801 > URL: https://issues.apache.org/jira/browse/HIVE-20801 > Project: Hive > Issue Type: Bug > Components: Locking, Transactions > Affects Versions: 4.0.0 > Reporter: Gopal Vijayaraghavan > Assignee: Gopal Vijayaraghavan > Priority: Major > Labels: Branch3Candidate, TODOC > Attachments: HIVE-20801.1.patch, HIVE-20801.2.patch, > HIVE-20801.2.patch, HIVE-20801.3.patch, HIVE-20801.3.patch, HIVE-20801.4.patch > > > Enabling ACIDv1 on a cluster produces a central locking bottleneck for all > table types, which is not always the intention. > The Hive locking for non-acid tables are advisory (i.e a client can > write/read without locking), which means that the implementation does not > offer strong consistency despite the lock manager consuming resources > centrally. > Disabling this lock acquisition would improve the performance of non-ACID > tables co-existing with a globally configured DbTxnManager implementation. -- This message was sent by Atlassian Jira (v8.3.4#803005)