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Hive QA commented on HIVE-23282: -------------------------------- | (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 57s{color} | {color:blue} Maven dependency ordering for branch {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 7m 59s{color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 30s{color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 1m 1s{color} | {color:green} master passed {color} | | {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 1m 9s{color} | {color:blue} standalone-metastore/metastore-server in master has 187 extant Findbugs warnings. {color} | | {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 3m 39s{color} | {color:blue} ql in master has 1531 extant Findbugs warnings. {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 12s{color} | {color:green} master passed {color} | || || || || {color:brown} Patch Compile Tests {color} || | {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 28s{color} | {color:blue} Maven dependency ordering for patch {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m 58s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 27s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m 27s{color} | {color:green} the patch passed {color} | | {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 0m 22s{color} | {color:red} standalone-metastore/metastore-server: The patch generated 20 new + 598 unchanged - 6 fixed = 618 total (was 604) {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} 5m 4s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 17s{color} | {color:green} the patch passed {color} | || || || || {color:brown} Other Tests {color} || | {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 15s{color} | {color:green} The patch does not generate ASF License warnings. {color} | | {color:black}{color} | {color:black} {color} | {color:black} 30m 39s{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-22139/dev-support/hive-personality.sh | | git revision | master / dbc04ef | | Default Java | 1.8.0_111 | | findbugs | v3.0.0 | | checkstyle | http://104.198.109.242/logs//PreCommit-HIVE-Build-22139/yetus/diff-checkstyle-standalone-metastore_metastore-server.txt | | modules | C: standalone-metastore/metastore-server ql U: . | | Console output | http://104.198.109.242/logs//PreCommit-HIVE-Build-22139/yetus.txt | | Powered by | Apache Yetus http://yetus.apache.org | This message was automatically generated. > Reduce number of DB calls in ObjectStore::getPartitionsByExprInternal > --------------------------------------------------------------------- > > Key: HIVE-23282 > URL: https://issues.apache.org/jira/browse/HIVE-23282 > Project: Hive > Issue Type: Improvement > Components: Metastore > Reporter: Rajesh Balamohan > Assignee: Attila Magyar > Priority: Major > Attachments: HIVE-23282.1.patch, HIVE-23282.3.patch, > HIVE-23282.5.patch, HIVE-23282.6.patch, HIVE-23282.7.patch, > image-2020-04-23-14-07-06-077.png > > > ObjectStore::getPartitionsByExprInternal internally uses Table information > for getting partitionKeys, table, catalog name. > > For this, it ends up populating entire table data from DB (including skew > column, parameters, sort, bucket cols etc). This makes it a lot more > expensive call. It would be good to check if MTable itself can be used > instead of Table. > [https://github.com/apache/hive/blob/master/standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/ObjectStore.java#L3327] > [https://github.com/apache/hive/blob/master/standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/ObjectStore.java#L3669] > > !image-2020-04-23-14-07-06-077.png|width=665,height=592! -- This message was sent by Atlassian Jira (v8.3.4#803005)