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Hive QA commented on HIVE-20794: -------------------------------- | (/) *{color:green}+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 29s{color} | {color:blue} Maven dependency ordering for branch {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 6m 29s{color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 4m 33s{color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 1m 51s{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 16s{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} 1m 0s{color} | {color:blue} standalone-metastore/metastore-server in master has 185 extant Findbugs warnings. {color} | | {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 3m 41s{color} | {color:blue} ql in master has 2312 extant Findbugs warnings. {color} | | {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 0m 35s{color} | {color:blue} service in master has 48 extant Findbugs warnings. {color} | | {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 0m 37s{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 42s{color} | {color:blue} itests/util in master has 48 extant Findbugs warnings. {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 4m 13s{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} 5m 4s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 4m 29s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 4m 29s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 7s{color} | {color:green} The patch standalone-metastore passed checkstyle {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 7s{color} | {color:green} The patch metastore-common passed checkstyle {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 14s{color} | {color:green} The patch common passed checkstyle {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 6s{color} | {color:green} The patch metastore-server passed checkstyle {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 37s{color} | {color:green} ql: The patch generated 0 new + 17 unchanged - 4 fixed = 17 total (was 21) {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 12s{color} | {color:green} The patch service passed checkstyle {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 15s{color} | {color:green} The patch hive-unit passed checkstyle {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 12s{color} | {color:green} The patch util passed checkstyle {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 4s{color} | {color:green} The patch has no ill-formed XML file. {color} | | {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 10m 13s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 4m 17s{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 11s{color} | {color:black} {color} | \\ \\ || Subsystem || Report/Notes || | Optional Tests | asflicense javac javadoc xml compile findbugs checkstyle | | 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-15073/dev-support/hive-personality.sh | | git revision | master / dffa3a1 | | Default Java | 1.8.0_111 | | findbugs | v3.0.0 | | modules | C: standalone-metastore standalone-metastore/metastore-common common standalone-metastore/metastore-server ql service itests/hive-unit itests/util U: . | | Console output | http://104.198.109.242/logs//PreCommit-HIVE-Build-15073/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, HIVE-20794.02, HIVE-20794.03, > HIVE-20794.03, HIVE-20794.04, HIVE-20794.05, HIVE-20794.06, HIVE-20794.07, > HIVE-20794.07, HIVE-20794.08 > > > 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) > # Additional configuration THRIFT_BIND_HOST is used to specify the host > address to bind Metastore service to. Right now Metastore binds to *, i.e all > addresses. Metastore doesn't then know which of those addresses it should add > to the ZooKeeper. THRIFT_BIND_HOST solves that problem. When this > configuration is specified the metastore server binds to that address and > also adds it to the ZooKeeper if dynamic service discovery mode is ZooKeeper. > 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)