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Hive QA commented on HIVE-23103: -------------------------------- | (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:green}+1{color} | {color:green} mvninstall {color} | {color:green} 9m 2s{color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 27s{color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 21s{color} | {color:green} master passed {color} | | {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 1m 11s{color} | {color:blue} standalone-metastore/metastore-server in master has 190 extant Findbugs warnings. {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 20s{color} | {color:green} master passed {color} | || || || || {color:brown} Patch Compile Tests {color} || | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 31s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 27s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 27s{color} | {color:green} the patch passed {color} | | {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 0m 23s{color} | {color:red} standalone-metastore/metastore-server: The patch generated 5 new + 577 unchanged - 0 fixed = 582 total (was 577) {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} 1m 19s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 20s{color} | {color:green} the patch passed {color} | || || || || {color:brown} Other Tests {color} || | {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 14s{color} | {color:green} The patch does not generate ASF License warnings. {color} | | {color:black}{color} | {color:black} {color} | {color:black} 15m 4s{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-21346/dev-support/hive-personality.sh | | git revision | master / d2ad5b0 | | Default Java | 1.8.0_111 | | findbugs | v3.0.0 | | checkstyle | http://104.198.109.242/logs//PreCommit-HIVE-Build-21346/yetus/diff-checkstyle-standalone-metastore_metastore-server.txt | | modules | C: standalone-metastore/metastore-server U: standalone-metastore/metastore-server | | Console output | http://104.198.109.242/logs//PreCommit-HIVE-Build-21346/yetus.txt | | Powered by | Apache Yetus http://yetus.apache.org | This message was automatically generated. > Oracle statement batching > ------------------------- > > Key: HIVE-23103 > URL: https://issues.apache.org/jira/browse/HIVE-23103 > Project: Hive > Issue Type: Improvement > Components: Transactions > Reporter: Peter Vary > Assignee: Peter Vary > Priority: Major > Attachments: HIVE-23103.patch > > > Examine how to really get better performance for oracle statement batches. > [Oracle JDBC > doc|https://docs.oracle.com/cd/E11882_01/java.112/e16548/oraperf.htm#JJDBC28752] > describes: > {quote}The Oracle implementation of standard update batching does not > implement true batching for generic statements and callable statements. Even > though Oracle JDBC supports the use of standard batching for {{Statement}} > and {{CallableStatement}} objects, you are unlikely to see performance > improvement. > {quote} > I would look for connection properties to set, so it is handled anyway, or if > not, then use: > {code} > begin > query1; > query2; > query3; > end; > {code} > to we will have only a single roundtrip for the db. -- This message was sent by Atlassian Jira (v8.3.4#803005)