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https://issues.apache.org/jira/browse/HIVE-17657?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16449070#comment-16449070
]
Hive QA commented on HIVE-17657:
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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
0s{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:green}+1{color} | {color:green} mvninstall {color} | {color:green} 8m
46s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
19s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
47s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m
3s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m
42s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
14s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m
14s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 0m
47s{color} | {color:red} ql: The patch generated 37 new + 596 unchanged - 11
fixed = 633 total (was 607) {color} |
| {color:red}-1{color} | {color:red} whitespace {color} | {color:red} 0m
0s{color} | {color:red} The patch has 4 line(s) that end in whitespace. Use git
apply --whitespace=fix <<patch_file>>. Refer https://git-scm.com/docs/git-apply
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| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m
5s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
16s{color} | {color:green} The patch does not generate ASF License warnings.
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| {color:black}{color} | {color:black} {color} | {color:black} 17m 23s{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-10450/dev-support/hive-personality.sh
|
| git revision | master / f019950 |
| Default Java | 1.8.0_111 |
| checkstyle |
http://104.198.109.242/logs//PreCommit-HIVE-Build-10450/yetus/diff-checkstyle-ql.txt
|
| whitespace |
http://104.198.109.242/logs//PreCommit-HIVE-Build-10450/yetus/whitespace-eol.txt
|
| modules | C: ql U: ql |
| Console output |
http://104.198.109.242/logs//PreCommit-HIVE-Build-10450/yetus.txt |
| Powered by | Apache Yetus http://yetus.apache.org |
This message was automatically generated.
> export/import for MM tables is broken
> -------------------------------------
>
> Key: HIVE-17657
> URL: https://issues.apache.org/jira/browse/HIVE-17657
> Project: Hive
> Issue Type: Sub-task
> Components: Transactions
> Reporter: Eugene Koifman
> Assignee: Sergey Shelukhin
> Priority: Major
> Labels: mm-gap-2
> Attachments: HIVE-17657.01.patch, HIVE-17657.02.patch,
> HIVE-17657.03.patch, HIVE-17657.04.patch, HIVE-17657.patch
>
>
> there is mm_exim.q but it's not clear from the tests what file structure it
> creates
> On import the txnids in the directory names would have to be remapped if
> importing to a different cluster. Perhaps export can be smart and export
> highest base_x and accretive deltas (minus aborted ones). Then import can
> ...? It would have to remap txn ids from the archive to new txn ids. This
> would then mean that import is made up of several transactions rather than 1
> atomic op. (all locks must belong to a transaction)
> One possibility is to open a new txn for each dir in the archive (where
> start/end txn of file name is the same) and commit all of them at once (need
> new TMgr API for that). This assumes using a shared lock (if any!) and thus
> allows other inserts (not related to import) to occur.
> What if you have delta_6_9, such as a result of concatenate? If we stipulate
> that this must mean that there is no delta_6_6 or any other "obsolete" delta
> in the archive we can map it to a new single txn delta_x_x.
> Add read_only mode for tables (useful in general, may be needed for upgrade
> etc) and use that to make the above atomic.
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