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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} 1m 31s{color} | {color:blue} Maven dependency ordering for branch {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 6m 31s{color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 16s{color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 55s{color} | {color:green} master passed {color} | | {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 0m 31s{color} | {color:blue} common in master has 65 extant Findbugs warnings. {color} | | {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 3m 38s{color} | {color:blue} ql in master has 2309 extant Findbugs warnings. {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 7s{color} | {color:green} master passed {color} | || || || || {color:brown} Patch Compile Tests {color} || | {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 24s{color} | {color:blue} Maven dependency ordering for patch {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m 39s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 17s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m 17s{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 6 new + 542 unchanged - 0 fixed = 548 total (was 542) {color} | | {color:red}-1{color} | {color:red} whitespace {color} | {color:red} 0m 0s{color} | {color:red} The patch has 2 line(s) that end in whitespace. Use git apply --whitespace=fix <<patch_file>>. Refer https://git-scm.com/docs/git-apply {color} | | {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 4m 28s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 4s{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} 26m 10s{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-15588/dev-support/hive-personality.sh | | git revision | master / f713140 | | Default Java | 1.8.0_111 | | findbugs | v3.0.0 | | checkstyle | http://104.198.109.242/logs//PreCommit-HIVE-Build-15588/yetus/diff-checkstyle-ql.txt | | whitespace | http://104.198.109.242/logs//PreCommit-HIVE-Build-15588/yetus/whitespace-eol.txt | | modules | C: common ql U: . | | Console output | http://104.198.109.242/logs//PreCommit-HIVE-Build-15588/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 V > Assignee: Gopal V > Priority: Major > Labels: Branch3Candidate, TODOC > Attachments: HIVE-20801.1.patch, HIVE-20801.2.patch, > HIVE-20801.2.patch, HIVE-20801.3.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 (v7.6.3#76005)