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https://issues.apache.org/jira/browse/HIVE-22414?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16969648#comment-16969648
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Hive QA commented on HIVE-22414:
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| (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
6s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 7m
38s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
34s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
26s{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 0m
23s{color} | {color:blue} storage-api in master has 48 extant Findbugs
warnings. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 0m
44s{color} | {color:blue} llap-server in master has 90 extant Findbugs
warnings. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
26s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m
28s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:red}-1{color} | {color:red} mvninstall {color} | {color:red} 0m
23s{color} | {color:red} llap-server in the patch failed. {color} |
| {color:red}-1{color} | {color:red} compile {color} | {color:red} 0m
24s{color} | {color:red} llap-server in the patch failed. {color} |
| {color:red}-1{color} | {color:red} javac {color} | {color:red} 0m 24s{color}
| {color:red} llap-server in the patch failed. {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
25s{color} | {color:green} the patch passed {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} 0m
18s{color} | {color:red} llap-server in the patch failed. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
26s{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} 16m 24s{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
3.16.43-2+deb8u5 (2017-09-19) x86_64 GNU/Linux |
| Build tool | maven |
| Personality |
/data/hiveptest/working/yetus_PreCommit-HIVE-Build-19338/dev-support/hive-personality.sh
|
| git revision | master / 358e5a9 |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.1 |
| mvninstall |
http://104.198.109.242/logs//PreCommit-HIVE-Build-19338/yetus/patch-mvninstall-llap-server.txt
|
| compile |
http://104.198.109.242/logs//PreCommit-HIVE-Build-19338/yetus/patch-compile-llap-server.txt
|
| javac |
http://104.198.109.242/logs//PreCommit-HIVE-Build-19338/yetus/patch-compile-llap-server.txt
|
| findbugs |
http://104.198.109.242/logs//PreCommit-HIVE-Build-19338/yetus/patch-findbugs-llap-server.txt
|
| modules | C: storage-api llap-server U: . |
| Console output |
http://104.198.109.242/logs//PreCommit-HIVE-Build-19338/yetus.txt |
| Powered by | Apache Yetus http://yetus.apache.org |
This message was automatically generated.
> Make LLAP CacheTags more memory efficient
> -----------------------------------------
>
> Key: HIVE-22414
> URL: https://issues.apache.org/jira/browse/HIVE-22414
> Project: Hive
> Issue Type: Improvement
> Components: llap
> Reporter: Ádám Szita
> Assignee: Ádám Szita
> Priority: Major
> Attachments: HIVE-22414.0.patch, HIVE-22414.1.patch,
> HIVE-22414.2.patch, HIVE-22414.3.patch, HIVE-22414.4.patch,
> HIVE-22414.5.patch, HIVE-22414.6.patch, HIVE-22414.7.patch, HIVE-22414.8.patch
>
>
> MultiPartitionCacheTag relies on LinkedLists.
> A LinkedList object that holds e.g. 2 nodes consumes 112 bytes roughly in
> this composition:
> * 16 bytes for LinkedList object header
> * 8 bytes for referring head
> * 8 bytes for referring tail
> * 80 = 2 x (16 bytes for LinkedList$Node header, 3 x 8 bytes for referring
> prev, next, item)
> This is a lot, so I propose to replace LinkedList in MultiPartitionCacheTag
> with a simple String array. (For a similar scenario an array would take 16 +
> 8 + 2 x 8 = 40 bytes, as per header, count, and 2 references for our actual
> objects).
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