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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-14660) wasb: improve throughput by 34% when account limit exceeded
Date Fri, 14 Jul 2017 06:46:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-14660?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16086936#comment-16086936
] 

Hadoop QA commented on HADOOP-14660:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m 12s{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 3 new or modified test files. {color} |
|| || || || {color:brown} trunk Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 15s{color} | {color:blue}
Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 13m  5s{color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 13m 38s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  1m 53s{color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  2m 13s{color} |
{color:green} trunk passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m  0s{color} | {color:blue}
Skipped patched modules with no Java source: hadoop-project {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  1m 56s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 31s{color} |
{color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 19s{color} | {color:blue}
Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m 10s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 10m 11s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 10m 11s{color} | {color:green}
the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}  2m  1s{color}
| {color:orange} root: The patch generated 25 new + 45 unchanged - 0 fixed = 70 total (was
45) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  2m 21s{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} xml {color} | {color:green}  0m  1s{color} | {color:green}
The patch has no ill-formed XML file. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m  0s{color} | {color:blue}
Skipped patched modules with no Java source: hadoop-project {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  0m 48s{color} | {color:red}
hadoop-tools/hadoop-azure generated 1 new + 0 unchanged - 0 fixed = 1 total (was 0) {color}
|
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 43s{color} |
{color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  0m 21s{color} | {color:green}
hadoop-project in the patch passed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red}  7m 39s{color} | {color:red}
hadoop-common in the patch failed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  2m 11s{color} | {color:green}
hadoop-azure in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 39s{color}
| {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 87m 19s{color} | {color:black}
{color} |
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|| Reason || Tests ||
| FindBugs | module:hadoop-tools/hadoop-azure |
|  |  Switch statement found in org.apache.hadoop.fs.azure.BlobOperationDescriptor.getOperationType(HttpURLConnection)
where default case is missing  At BlobOperationDescriptor.java:where default case is missing
 At BlobOperationDescriptor.java:[lines 130-142] |
| Failed junit tests | hadoop.net.TestDNS |
|   | hadoop.fs.viewfs.TestViewFileSystemLocalFileSystem |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:14b5c93 |
| JIRA Issue | HADOOP-14660 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12877228/HADOOP-14660-001.patch
|
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  unit  findbugs
 checkstyle  xml  |
| uname | Linux ec3f5bdcfefc 3.13.0-116-generic #163-Ubuntu SMP Fri Mar 31 14:13:22 UTC 2017
x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / 228ddaa |
| Default Java | 1.8.0_131 |
| findbugs | v3.1.0-RC1 |
| checkstyle | https://builds.apache.org/job/PreCommit-HADOOP-Build/12782/artifact/patchprocess/diff-checkstyle-root.txt
|
| findbugs | https://builds.apache.org/job/PreCommit-HADOOP-Build/12782/artifact/patchprocess/new-findbugs-hadoop-tools_hadoop-azure.html
|
| unit | https://builds.apache.org/job/PreCommit-HADOOP-Build/12782/artifact/patchprocess/patch-unit-hadoop-common-project_hadoop-common.txt
|
|  Test Results | https://builds.apache.org/job/PreCommit-HADOOP-Build/12782/testReport/ |
| modules | C: hadoop-project hadoop-common-project/hadoop-common hadoop-tools/hadoop-azure
U: . |
| Console output | https://builds.apache.org/job/PreCommit-HADOOP-Build/12782/console |
| Powered by | Apache Yetus 0.6.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> wasb: improve throughput by 34% when account limit exceeded
> -----------------------------------------------------------
>
>                 Key: HADOOP-14660
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14660
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: fs/azure
>            Reporter: Thomas
>            Assignee: Thomas
>         Attachments: HADOOP-14660-001.patch
>
>
> Big data workloads frequently exceed the Azure Storage max ingress and egress limits
(https://docs.microsoft.com/en-us/azure/azure-subscription-service-limits).  For example,
the max ingress limit for a GRS account in the United States is currently 10 Gbps.  When the
limit is exceeded, the Azure Storage service fails a percentage of incoming requests, and
this causes the client to initiate the retry policy.  The retry policy delays requests by
sleeping, but the sleep duration is independent of the client throughput and account limit.
 This results in low throughput, due to the high number of failed requests and thrashing causes
by the retry policy.
> To fix this, we introduce a client-side throttle which minimizes failed requests and
maximizes throughput.  Tests have shown that this improves throughtput by ~34% when the storage
account max ingress and/or egress limits are exceeded. 



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