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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-14520) WASB: Block compaction for Azure Block Blobs
Date Sun, 09 Jul 2017 21:08:02 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-14520?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16079722#comment-16079722
] 

Hadoop QA commented on HADOOP-14520:
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m 10s{color} | {color:blue}
Docker mode activated. {color} |
|| || || || {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:green}+1{color} | {color:green} test4tests {color} | {color:green}  0m  0s{color}
| {color:green} The patch appears to include 4 new or modified test files. {color} |
|| || || || {color:brown} trunk Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 13m  2s{color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 18s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 14s{color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 20s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  0m 26s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 13s{color} |
{color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  0m 17s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 16s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 16s{color} | {color:green}
the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}  0m 13s{color}
| {color:orange} hadoop-tools/hadoop-azure: The patch generated 82 new + 116 unchanged - 4
fixed = 198 total (was 120) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 17s{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:green}+1{color} | {color:green} findbugs {color} | {color:green}  0m 32s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 11s{color} |
{color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  1m 21s{color} | {color:green}
hadoop-azure in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 16s{color}
| {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 19m 25s{color} | {color:black}
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:14b5c93 |
| JIRA Issue | HADOOP-14520 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12876335/HADOOP-14520-05.patch
|
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  unit  findbugs
 checkstyle  |
| uname | Linux d660dd8f2ed9 3.13.0-117-generic #164-Ubuntu SMP Fri Apr 7 11:05:26 UTC 2017
x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / ba5b056 |
| Default Java | 1.8.0_131 |
| findbugs | v3.1.0-RC1 |
| checkstyle | https://builds.apache.org/job/PreCommit-HADOOP-Build/12746/artifact/patchprocess/diff-checkstyle-hadoop-tools_hadoop-azure.txt
|
|  Test Results | https://builds.apache.org/job/PreCommit-HADOOP-Build/12746/testReport/ |
| modules | C: hadoop-tools/hadoop-azure U: hadoop-tools/hadoop-azure |
| Console output | https://builds.apache.org/job/PreCommit-HADOOP-Build/12746/console |
| Powered by | Apache Yetus 0.6.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> WASB: Block compaction for Azure Block Blobs
> --------------------------------------------
>
>                 Key: HADOOP-14520
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14520
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: fs/azure
>    Affects Versions: 3.0.0-alpha3
>            Reporter: Georgi Chalakov
>            Assignee: Georgi Chalakov
>         Attachments: HADOOP-14520-05.patch
>
>
> Block Compaction for WASB allows uploading new blocks for every hflush/hsync call. When
the number of blocks is above 32000, next hflush/hsync triggers the block compaction process.
Block compaction replaces a sequence of blocks with one block. From all the sequences with
total length less than 4M, compaction chooses the longest one. It is a greedy algorithm that
preserve all potential candidates for the next round. Block Compaction for WASB increases
data durability and allows using block blobs instead of page blobs. By default, block compaction
is disabled. Similar to the configuration for page blobs, the client needs to specify HDFS
folders where block compaction over block blobs is enabled. 
> Results for HADOOP-14520-05.patch
> tested endpoint: fs.azure.account.key.hdfs4.blob.core.windows.net
> Tests run: 707, Failures: 0, Errors: 0, Skipped: 119



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