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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-21787) Metastore table cache LRU eviction
Date Thu, 20 Jun 2019 00:38:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-21787?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16868143#comment-16868143
] 

Hive QA commented on HIVE-21787:
--------------------------------

| (x) *{color:red}-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}  2m 11s{color} | {color:blue}
Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  7m 33s{color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 10s{color} |
{color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 40s{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 184 extant Findbugs warnings. {color}
|
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m 42s{color} | {color:blue}
itests/hive-unit in master has 2 extant Findbugs warnings. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 46s{color} |
{color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 29s{color} | {color:blue}
Maven dependency ordering for patch {color} |
| {color:red}-1{color} | {color:red} mvninstall {color} | {color:red}  0m 41s{color} | {color:red}
hive-unit in the patch failed. {color} |
| {color:red}-1{color} | {color:red} compile {color} | {color:red}  0m 43s{color} | {color:red}
hive-unit in the patch failed. {color} |
| {color:red}-1{color} | {color:red} javac {color} | {color:red}  0m 43s{color} | {color:red}
hive-unit in the patch failed. {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  0m 18s{color} | {color:red}
standalone-metastore/metastore-server: The patch generated 6 new + 44 unchanged - 165 fixed
= 50 total (was 209) {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green}  0m  0s{color}
| {color:green} The patch has no whitespace issues. {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  1m 22s{color} | {color:red}
standalone-metastore/metastore-server generated 1 new + 179 unchanged - 5 fixed = 180 total
(was 184) {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  0m 35s{color} | {color:red}
hive-unit in the patch failed. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 49s{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} 21m 25s{color} | {color:black}
{color} |
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|| Reason || Tests ||
| FindBugs | module:standalone-metastore/metastore-server |
|  |  Invocation of toString on SharedCache$TableWrapper.getSdHash() in org.apache.hadoop.hive.metastore.cache.SharedCache$1.onRemoval(RemovalNotification)
 At SharedCache.java:in org.apache.hadoop.hive.metastore.cache.SharedCache$1.onRemoval(RemovalNotification)
 At SharedCache.java:[line 207] |
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|| 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-17662/dev-support/hive-personality.sh
|
| git revision | master / cd42db4 |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.0 |
| mvninstall | http://104.198.109.242/logs//PreCommit-HIVE-Build-17662/yetus/patch-mvninstall-itests_hive-unit.txt
|
| compile | http://104.198.109.242/logs//PreCommit-HIVE-Build-17662/yetus/patch-compile-itests_hive-unit.txt
|
| javac | http://104.198.109.242/logs//PreCommit-HIVE-Build-17662/yetus/patch-compile-itests_hive-unit.txt
|
| checkstyle | http://104.198.109.242/logs//PreCommit-HIVE-Build-17662/yetus/diff-checkstyle-standalone-metastore_metastore-server.txt
|
| findbugs | http://104.198.109.242/logs//PreCommit-HIVE-Build-17662/yetus/new-findbugs-standalone-metastore_metastore-server.html
|
| findbugs | http://104.198.109.242/logs//PreCommit-HIVE-Build-17662/yetus/patch-findbugs-itests_hive-unit.txt
|
| modules | C: standalone-metastore/metastore-server itests/hive-unit U: . |
| Console output | http://104.198.109.242/logs//PreCommit-HIVE-Build-17662/yetus.txt |
| Powered by | Apache Yetus    http://yetus.apache.org |


This message was automatically generated.



> Metastore table cache LRU eviction
> ----------------------------------
>
>                 Key: HIVE-21787
>                 URL: https://issues.apache.org/jira/browse/HIVE-21787
>             Project: Hive
>          Issue Type: New Feature
>          Components: Standalone Metastore
>            Reporter: Sam An
>            Assignee: Sam An
>            Priority: Major
>         Attachments: HIVE-21787.1.patch, HIVE-21787.10.patch, HIVE-21787.11.patch, HIVE-21787.13.patch,
HIVE-21787.2.patch, HIVE-21787.3.patch, HIVE-21787.4.patch, HIVE-21787.5.patch, HIVE-21787.6.patch,
HIVE-21787.7.patch, HIVE-21787.8.patch, HIVE-21787.9.patch
>
>
> Metastore currently uses black/white list to specify patterns of tables to load into
the cache. Cache is loaded in one shot "prewarm", and updated by a background thread. This
is not a very efficient design. 
> In this feature, we try to enhance the cache for Tables with LRU to improve cache utilization.



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