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https://issues.apache.org/jira/browse/HIVE-20794?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16701094#comment-16701094
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Hive QA commented on HIVE-20794:
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| (/) *{color:green}+1 overall{color}* |
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|| 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
37s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 6m
36s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 4m
31s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 1m
48s{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 0m
29s{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} 1m
5s{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
42s{color} | {color:blue} ql in master has 2312 extant Findbugs warnings.
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| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 0m
36s{color} | {color:blue} service in master has 48 extant Findbugs warnings.
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| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 0m
38s{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
41s{color} | {color:blue} itests/util in master has 48 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
26s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 5m
8s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 4m
38s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 4m
38s{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
6s{color} | {color:green} The patch metastore-common passed checkstyle {color}
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| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
16s{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}
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| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
36s{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
16s{color} | {color:green} The patch hive-unit passed checkstyle {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
13s{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
25s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 4m
16s{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} 57m 0s{color} |
{color:black} {color} |
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|| 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-15082/dev-support/hive-personality.sh
|
| git revision | master / 56926af |
| 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-15082/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, 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.
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