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https://issues.apache.org/jira/browse/HIVE-18264?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16397733#comment-16397733
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Hive QA commented on HIVE-18264:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
|| || || || {color:brown} Prechecks {color} ||
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 0m
1s{color} | {color:blue} Findbugs executables are not available. {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
40s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 6m
32s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
13s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
44s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m
15s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m
8s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:red}-1{color} | {color:red} mvninstall {color} | {color:red} 0m
20s{color} | {color:red} hcatalog-unit in the patch failed. {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
22s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m
22s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 0m
9s{color} | {color:red} itests/hcatalog-unit: The patch generated 1 new + 22
unchanged - 0 fixed = 23 total (was 22) {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 0m
28s{color} | {color:red} standalone-metastore: The patch generated 28 new +
1033 unchanged - 26 fixed = 1061 total (was 1059) {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} javadoc {color} | {color:red} 0m
53s{color} | {color:red} standalone-metastore generated 4 new + 57 unchanged -
2 fixed = 61 total (was 59) {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} asflicense {color} | {color:red} 0m
14s{color} | {color:red} The patch generated 49 ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 16m 16s{color} |
{color:black} {color} |
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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
3.16.36-1+deb8u1 (2016-09-03) x86_64 GNU/Linux |
| Build tool | maven |
| Personality |
/data/hiveptest/working/yetus_PreCommit-HIVE-Build-9625/dev-support/hive-personality.sh
|
| git revision | master / d977a9d |
| Default Java | 1.8.0_111 |
| mvninstall |
http://104.198.109.242/logs//PreCommit-HIVE-Build-9625/yetus/patch-mvninstall-itests_hcatalog-unit.txt
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| checkstyle |
http://104.198.109.242/logs//PreCommit-HIVE-Build-9625/yetus/diff-checkstyle-itests_hcatalog-unit.txt
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| checkstyle |
http://104.198.109.242/logs//PreCommit-HIVE-Build-9625/yetus/diff-checkstyle-standalone-metastore.txt
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| javadoc |
http://104.198.109.242/logs//PreCommit-HIVE-Build-9625/yetus/diff-javadoc-javadoc-standalone-metastore.txt
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| asflicense |
http://104.198.109.242/logs//PreCommit-HIVE-Build-9625/yetus/patch-asflicense-problems.txt
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| modules | C: itests/hcatalog-unit service standalone-metastore U: . |
| Console output |
http://104.198.109.242/logs//PreCommit-HIVE-Build-9625/yetus.txt |
| Powered by | Apache Yetus http://yetus.apache.org |
This message was automatically generated.
> CachedStore: Store cached partitions/col stats within the table cache and
> make prewarm non-blocking
> ---------------------------------------------------------------------------------------------------
>
> Key: HIVE-18264
> URL: https://issues.apache.org/jira/browse/HIVE-18264
> Project: Hive
> Issue Type: Sub-task
> Reporter: Vaibhav Gumashta
> Assignee: Vaibhav Gumashta
> Priority: Major
> Attachments: HIVE-18264.1.patch, HIVE-18264.2.patch,
> HIVE-18264.3.patch, HIVE-18264.4.patch, HIVE-18264.5.patch,
> HIVE-18264.6.patch, HIVE-18264.7.patch
>
>
> Currently we have a separate cache for partitions and partition col stats
> which results in some calls iterating through each of these for
> retrieving/updating. For example, to modify a partition col stat, currently
> we need to lock table, partition and partition col stats caches which are all
> separate hashmaps. We can get better performance by organizing
> hierarchically. For example, we can have a partition, partition col stats and
> table col stats cache per table to improve on the previous mechanisms. This
> will also result in better concurrency, since now instead of locking the
> whole cache, we can selectively lock the table cache and modify multiple
> tables in parallel.
> In addition, currently, the prewarm mechanism populates all the caches
> initially (it skips tables that do not pass whitelist/blacklist filter) and
> it is a blocking call. This patch also makes prewarm non-blocking so that the
> calls for tables that are already cached can be served from the memory and
> the ones that are not can be served from the rdbms.
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