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Posted to issues@hive.apache.org by "Hive QA (JIRA)" <ji...@apache.org> on 2018/11/01 02:44:00 UTC

[jira] [Commented] (HIVE-20823) Make Compactor run in a transaction

    [ https://issues.apache.org/jira/browse/HIVE-20823?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16671042#comment-16671042 ] 

Hive QA commented on HIVE-20823:
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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:green}+1{color} | {color:green} mvninstall {color} | {color:green}  8m 29s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m  3s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 41s{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  3m 54s{color} | {color:blue} ql in master has 2315 extant Findbugs warnings. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 56s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m 24s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 59s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 59s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  0m 42s{color} | {color:red} ql: The patch generated 2 new + 633 unchanged - 0 fixed = 635 total (was 633) {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} findbugs {color} | {color:green}  3m 46s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 54s{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} 23m 28s{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-14692/dev-support/hive-personality.sh |
| git revision | master / 08349b1 |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.0 |
| checkstyle | http://104.198.109.242/logs//PreCommit-HIVE-Build-14692/yetus/diff-checkstyle-ql.txt |
| modules | C: ql U: ql |
| Console output | http://104.198.109.242/logs//PreCommit-HIVE-Build-14692/yetus.txt |
| Powered by | Apache Yetus    http://yetus.apache.org |


This message was automatically generated.



> Make Compactor run in a transaction
> -----------------------------------
>
>                 Key: HIVE-20823
>                 URL: https://issues.apache.org/jira/browse/HIVE-20823
>             Project: Hive
>          Issue Type: Improvement
>          Components: Transactions
>    Affects Versions: 3.0.0
>            Reporter: Eugene Koifman
>            Assignee: Eugene Koifman
>            Priority: Major
>         Attachments: HIVE-20823.01.patch
>
>
> Have compactor open a transaction and run the job in that transaction.
> # make compactor produced base/delta include this txn id in the folder name, e.g. base_7_c17 where 17 is the txnid.
> # add {{CQ_TXN_ID bigint}} to COMPACTION_QUEUE and COMPLETED_COMPACTIONS to record this txn id
> # make sure {{AcidUtils.getAcidState()}} pays attention to this transaction on read and ignores this dir if this txn id is not committed in the current snapshot
> ## this means not only validWriteIdList but ValidTxnIdList should be passed along in config (if it isn't yet)
> # once this is done, {{CompactorMR.createCompactorMarker()}} can be eliminated and {{AcidUtils.isValidBase}} modified accordingly
> # modify Cleaner so that it doesn't clean old files until new file is visible to all readers
> # 



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