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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-19267) Replicate ACID/MM tables write operations.
Date Sun, 08 Jul 2018 18:00:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-19267?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16536356#comment-16536356
] 

Hive QA commented on HIVE-19267:
--------------------------------

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| {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}  1m 49s{color} | {color:blue}
Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  6m 20s{color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  6m 20s{color} |
{color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  7m 13s{color} |
{color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 23s{color} | {color:blue}
Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  7m  4s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  6m  9s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  6m  9s{color} | {color:green}
the patch passed {color} |
| {color:red}-1{color} | {color:red} whitespace {color} | {color:red}  0m  1s{color} | {color:red}
The patch has 6 line(s) that end in whitespace. Use git apply --whitespace=fix <<patch_file>>.
Refer https://git-scm.com/docs/git-apply {color} |
| {color:red}-1{color} | {color:red} whitespace {color} | {color:red}  0m  1s{color} | {color:red}
The patch 59 line(s) with tabs. {color} |
| {color:green}+1{color} | {color:green} xml {color} | {color:green}  0m  1s{color} | {color:green}
The patch has no ill-formed XML file. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  7m  5s{color} |
{color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 13s{color}
| {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 43m 13s{color} | {color:black}
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|| Subsystem || Report/Notes ||
| Optional Tests |  asflicense  javac  javadoc  xml  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-12474/dev-support/hive-personality.sh
|
| git revision | master / 406cde9 |
| Default Java | 1.8.0_111 |
| whitespace | http://104.198.109.242/logs//PreCommit-HIVE-Build-12474/yetus/whitespace-eol.txt
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| whitespace | http://104.198.109.242/logs//PreCommit-HIVE-Build-12474/yetus/whitespace-tabs.txt
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| modules | C: standalone-metastore metastore . U: . |
| Console output | http://104.198.109.242/logs//PreCommit-HIVE-Build-12474/yetus.txt |
| Powered by | Apache Yetus    http://yetus.apache.org |


This message was automatically generated.



> Replicate ACID/MM tables write operations.
> ------------------------------------------
>
>                 Key: HIVE-19267
>                 URL: https://issues.apache.org/jira/browse/HIVE-19267
>             Project: Hive
>          Issue Type: Sub-task
>          Components: repl, Transactions
>    Affects Versions: 3.0.0
>            Reporter: mahesh kumar behera
>            Assignee: mahesh kumar behera
>            Priority: Major
>              Labels: ACID, DR, pull-request-available, replication
>             Fix For: 4.0.0
>
>         Attachments: HIVE-19267.01-branch-3.patch, HIVE-19267.01.patch, HIVE-19267.02.patch,
HIVE-19267.03.patch, HIVE-19267.04.patch, HIVE-19267.05.patch, HIVE-19267.06.patch, HIVE-19267.07.patch,
HIVE-19267.08.patch, HIVE-19267.09.patch, HIVE-19267.10.patch, HIVE-19267.11.patch, HIVE-19267.12.patch,
HIVE-19267.13.patch, HIVE-19267.14.patch, HIVE-19267.15.patch, HIVE-19267.16.patch, HIVE-19267.17.patch,
HIVE-19267.18.patch, HIVE-19267.19.patch, HIVE-19267.20.patch, HIVE-19267.21.patch, HIVE-19267.22.patch,
HIVE-19267.23.patch
>
>
>  
> h1. Replicate ACID write Events
>  * Create new EVENT_WRITE event with related message format to log the write operations
with in a txn along with data associated.
>  * Log this event when perform any writes (insert into, insert overwrite, load table,
delete, update, merge, truncate) on table/partition.
>  * If a single MERGE/UPDATE/INSERT/DELETE statement operates on multiple partitions,
then need to log one event per partition.
>  * DbNotificationListener should log this type of event to special metastore table named
"MTxnWriteNotificationLog".
>  * This table should maintain a map of txn ID against list of tables/partitions written
by given txn.
>  * The entry for a given txn should be removed by the cleaner thread that removes the
expired events from EventNotificationTable.
> h1. Replicate Commit Txn operation (with writes)
> Add new EVENT_COMMIT_TXN to log the metadata/data of all tables/partitions modified within
the txn.
> *Source warehouse:*
>  * This event should read the EVENT_WRITEs from "MTxnWriteNotificationLog" metastore
table to consolidate the list of tables/partitions modified within this txn scope.
>  * Based on the list of tables/partitions modified and table Write ID, need to compute
the list of delta files added by this txn.
>  * Repl dump should read this message and dump the metadata and delta files list.
> *Target warehouse:*
>  * Ensure snapshot isolation at target for on-going read txns which shouldn't view the
data replicated from committed txn. (Ensured with open and allocate write ID events).



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