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Hive QA commented on HIVE-20794: -------------------------------- | (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} 0m 24s{color} | {color:blue} Maven dependency ordering for branch {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 7m 50s{color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 4m 34s{color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 1m 50s{color} | {color:green} master passed {color} | | {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 0m 30s{color} | {color:blue} common in master has 65 extant Findbugs warnings. {color} | | {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 2m 14s{color} | {color:blue} standalone-metastore/metastore-common in master has 29 extant Findbugs warnings. {color} | | {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 0m 35s{color} | {color:blue} itests/hive-unit in master has 2 extant Findbugs warnings. {color} | | {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 0m 43s{color} | {color:blue} itests/util in master has 48 extant Findbugs warnings. {color} | | {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 3m 45s{color} | {color:blue} ql in master has 2317 extant Findbugs warnings. {color} | | {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 0m 36s{color} | {color:blue} service in master has 48 extant Findbugs warnings. {color} | | {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 0m 59s{color} | {color:blue} standalone-metastore/metastore-server in master has 185 extant Findbugs warnings. {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 4m 21s{color} | {color:green} master passed {color} | || || || || {color:brown} Patch Compile Tests {color} || | {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 9s{color} | {color:blue} Maven dependency ordering for patch {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 5m 11s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 4m 33s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 4m 33s{color} | {color:green} the patch passed {color} | | {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 0m 15s{color} | {color:red} common: The patch generated 16 new + 426 unchanged - 0 fixed = 442 total (was 426) {color} | | {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 0m 12s{color} | {color:red} itests/util: The patch generated 1 new + 17 unchanged - 0 fixed = 18 total (was 17) {color} | | {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 0m 36s{color} | {color:red} ql: The patch generated 2 new + 17 unchanged - 4 fixed = 19 total (was 21) {color} | | {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 0m 12s{color} | {color:red} service: The patch generated 3 new + 35 unchanged - 0 fixed = 38 total (was 35) {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} xml {color} | {color:green} 0m 3s{color} | {color:green} The patch has no ill-formed XML file. {color} | | {color:red}-1{color} | {color:red} findbugs {color} | {color:red} 0m 43s{color} | {color:red} service generated 1 new + 48 unchanged - 0 fixed = 49 total (was 48) {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 4m 13s{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} 56m 26s{color} | {color:black} {color} | \\ \\ || Reason || Tests || | FindBugs | module:service | | | Inconsistent synchronization of org.apache.hive.service.server.HiveServer2.zooKeeperHelper; locked 66% of time Unsynchronized access at HiveServer2.java:66% of time Unsynchronized access at HiveServer2.java:[line 566] | \\ \\ || Subsystem || Report/Notes || | Optional Tests | asflicense javac javadoc findbugs checkstyle compile xml | | 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-14920/dev-support/hive-personality.sh | | git revision | master / d813b48 | | Default Java | 1.8.0_111 | | findbugs | v3.0.0 | | checkstyle | http://104.198.109.242/logs//PreCommit-HIVE-Build-14920/yetus/diff-checkstyle-common.txt | | checkstyle | http://104.198.109.242/logs//PreCommit-HIVE-Build-14920/yetus/diff-checkstyle-itests_util.txt | | checkstyle | http://104.198.109.242/logs//PreCommit-HIVE-Build-14920/yetus/diff-checkstyle-ql.txt | | checkstyle | http://104.198.109.242/logs//PreCommit-HIVE-Build-14920/yetus/diff-checkstyle-service.txt | | findbugs | http://104.198.109.242/logs//PreCommit-HIVE-Build-14920/yetus/new-findbugs-service.html | | modules | C: common standalone-metastore standalone-metastore/metastore-common itests/hive-unit itests/util ql service standalone-metastore/metastore-server U: . | | Console output | http://104.198.109.242/logs//PreCommit-HIVE-Build-14920/yetus.txt | | Powered by | Apache Yetus http://yetus.apache.org | This message was automatically generated. > Use Zookeeper for metastore service discovery > --------------------------------------------- > > Key: HIVE-20794 > URL: https://issues.apache.org/jira/browse/HIVE-20794 > Project: Hive > Issue Type: Improvement > Reporter: Ashutosh Bapat > Assignee: Ashutosh Bapat > Priority: Major > Labels: pull-request-available > Attachments: HIVE-20794.01 > > > Right now, multiple metastore services can be specified in > hive.metastore.uris configuration, but that list is static and can not be > modified dynamically. Use Zookeeper for dynamic service discovery of > metastore. > h3. Improve ZooKeeperHiveHelper class (suggestions for name welcome) > The Zookeeper related code (for service discovery) accesses Zookeeper > parameters directly from HiveConf. The class is changed so that it could be > used for both HiveServer2 and Metastore server and works with both the > configurations. Following methods from HiveServer2 are now moved into > ZooKeeperHiveHelper. # startZookeeperClient # addServerInstanceToZooKeeper # > removeServerInstanceFromZooKeeper > h3. HiveMetaStore conf changes > # THRIFT_URIS (hive.metastore.uris) can also be used to specify ZooKeeper > quorum. When THRIFT_SERVICE_DISCOVERY_MODE > (hive.metastore.service.discovery.mode) is set to "zookeeper" the URIs are > used as ZooKeeper quorum. When it's set to be empty, the URIs are used to > locate the metastore directly. > # Here's list of Hiveserver2's parameters and their proposed metastore conf > counterparts. It looks odd that the Metastore related configurations do not > have their macros start with METASTORE, but start with THRIFT. I have just > followed naming convention used for other parameters. > #* HIVE_SERVER2_ZOOKEEPER_NAMESPACE - THRIFT_ZOOKEEPER_NAMESPACE > (hive.metastore.zookeeper.namespace) > #* HIVE_ZOOKEEPER_CLIENT_PORT - THRIFT_ZOOKEEPER_CLIENT_PORT > (hive.metastore.zookeeper.client.port) > #* HIVE_ZOOKEEPER_CONNECTION_TIMEOUT - THRIFT_ZOOKEEPER_CONNECTION_TIMEOUT - > (hive.metastore.zookeeper.connection.timeout) > #* HIVE_ZOOKEEPER_CONNECTION_MAX_RETRIES - > THRIFT_ZOOKEEPER_CONNECTION_MAX_RETRIES > (hive.metastore.zookeeper.connection.max.retries) > #* HIVE_ZOOKEEPER_CONNECTION_BASESLEEPTIME - > THRIFT_ZOOKEEPER_CONNECTION_BASESLEEPTIME > (hive.metastore.zookeeper.connection.basesleeptime) > Following Hive ZK configurations seem to be related to managing locks and > seem irrelevant for MS ZK. > # HIVE_ZOOKEEPER_SESSION_TIMEOUT > # HIVE_ZOOKEEPER_CLEAN_EXTRA_NODES > Since there is no configuration to be published, > HIVE_ZOOKEEPER_PUBLISH_CONFIGS does not have a THRIFT counterpart. > h3. HiveMetaStore class changes > # startMetaStore should also register the instance with Zookeeper, when > configured. > # When shutting a metastore server down it should deregister itself from > Zookeeper, when configured. > # These changes use the refactored code described above. > h3. HiveMetaStoreClient class changes > When service discovery mode is zookeeper, we fetch the metatstore URIs from > the specified ZooKeeper and treat those as if they were specified in > THRIFT_URIS i.e. use the existing mechanisms to choose a metastore server to > connect to and establish a connection. -- This message was sent by Atlassian JIRA (v7.6.3#76005)