[jira] [Commented] (HADOOP-15027) AliyunOSS: Improvements for Hadoop read from AliyunOSS
[
https://issues.apache.org/jira/browse/HADOOP-15027?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16310887#comment-16310887
]
genericqa commented on HADOOP-15027:
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| {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m
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| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
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| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m
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| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}
0m 10s{color} | {color:orange} hadoop-tools/hadoop-aliyun: The patch generated
16 new + 0 unchanged - 0 fixed = 16 total (was 0) {color} |
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| {color:green}+1{color} | {color:green} unit {color} | {color:green} 0m
17s{color} | {color:green} hadoop-aliyun in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
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{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 42m 50s{color} |
{color:black} {color} |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:5b98639 |
| JIRA Issue | HADOOP-15027 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12904523/HADOOP-15027.007.patch
|
| Optional Tests | asflicense compile javac javadoc mvninstall mvnsite
unit shadedclient findbugs checkstyle |
| uname | Linux fe3e73042cd8 3.13.0-135-generic #184-Ubuntu SMP Wed Oct 18
11:55:51 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / 2a48b35 |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_151 |
| findbugs | v3.1.0-RC1 |
| checkstyle |
https://builds.apache.org/job/PreCommit-HADOOP-Build/13917/artifact/out/diff-checkstyle-hadoop-tools_hadoop-aliyun.txt
|
| Test Results |
https://builds.apache.org/job/PreCommit-HADOOP-Build/13917/testReport/ |
| Max. process+thread count | 302 (vs. ulimit of 5000) |
| modules | C: hadoop-tools/hadoop-aliyun U: hadoop-tools/hadoop-aliyun |
| Console output |
https://builds.apache.org/job/PreCommit-HADOOP-Build/13917/console |
| Powered by | Apache Yetus 0.7.0-SNAPSHOT http://yetus.apache.org |
[jira] [Commented] (HADOOP-15027) AliyunOSS: Improvements for Hadoop read from AliyunOSS
[
https://issues.apache.org/jira/browse/HADOOP-15027?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16309621#comment-16309621
]
genericqa commented on HADOOP-15027:
| (x) *{color:red}-1 overall{color}* |
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| {color:red}-1{color} | {color:red} docker {color} | {color:red} 5m
13s{color} | {color:red} Docker failed to build yetus/hadoop:5b98639. {color} |
\\
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|| Subsystem || Report/Notes ||
| JIRA Issue | HADOOP-15027 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12904396/HADOOP-15027.007.patch
|
| Console output |
https://builds.apache.org/job/PreCommit-HADOOP-Build/13915/console |
| Powered by | Apache Yetus 0.7.0-SNAPSHOT http://yetus.apache.org |
This message was automatically generated.
> AliyunOSS: Improvements for Hadoop read from AliyunOSS
> --
>
> Key: HADOOP-15027
> URL: https://issues.apache.org/jira/browse/HADOOP-15027
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/oss
>Affects Versions: 3.0.0
>Reporter: wujinhu
>Assignee: wujinhu
> Attachments: HADOOP-15027.001.patch, HADOOP-15027.002.patch,
> HADOOP-15027.003.patch, HADOOP-15027.004.patch, HADOOP-15027.005.patch,
> HADOOP-15027.006.patch, HADOOP-15027.007.patch
>
>
> Currently, AliyunOSSInputStream uses single thread to read data from
> AliyunOSS, so we can do some refactoring by using multi-thread pre-read to
> improve read performance.
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[jira] [Commented] (HADOOP-15027) AliyunOSS: Improvements for Hadoop read from AliyunOSS
[
https://issues.apache.org/jira/browse/HADOOP-15027?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16309614#comment-16309614
]
wujinhu commented on HADOOP-15027:
--
update default configure
{code:java}
467c467
< index dd71842fb87..b7c5354a646 100644
---
> index dd71842fb87..37270ffb685 100644
479c479
< + public static final int MULTIPART_DOWNLOAD_THREAD_NUMBER_DEFAULT = 10;
---
> + public static final int MULTIPART_DOWNLOAD_THREAD_NUMBER_DEFAULT = 16;
{code}
> AliyunOSS: Improvements for Hadoop read from AliyunOSS
> --
>
> Key: HADOOP-15027
> URL: https://issues.apache.org/jira/browse/HADOOP-15027
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/oss
>Affects Versions: 3.0.0
>Reporter: wujinhu
>Assignee: wujinhu
> Attachments: HADOOP-15027.001.patch, HADOOP-15027.002.patch,
> HADOOP-15027.003.patch, HADOOP-15027.004.patch, HADOOP-15027.005.patch,
> HADOOP-15027.006.patch, HADOOP-15027.007.patch
>
>
> Currently, AliyunOSSInputStream uses single thread to read data from
> AliyunOSS, so we can do some refactoring by using multi-thread pre-read to
> improve read performance.
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[jira] [Commented] (HADOOP-15027) AliyunOSS: Improvements for Hadoop read from AliyunOSS
[
https://issues.apache.org/jira/browse/HADOOP-15027?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16309594#comment-16309594
]
genericqa commented on HADOOP-15027:
| (/) *{color:green}+1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m
46s{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 1 new or modified test
files. {color} |
|| || || || {color:brown} trunk Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 16m
25s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
19s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
13s{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} shadedclient {color} | {color:green}
10m 32s{color} | {color:green} branch has no errors when building and testing
our client artifacts. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 0m
27s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
16s{color} | {color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m
19s{color} | {color:green} the patch passed {color} |
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15s{color} | {color:green} the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}
0m 10s{color} | {color:orange} hadoop-tools/hadoop-aliyun: The patch generated
16 new + 0 unchanged - 0 fixed = 16 total (was 0) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m
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| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
21s{color} | {color:green} The patch does not generate ASF License warnings.
{color} |
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{color:black} {color} |
\\
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:5b98639 |
| JIRA Issue | HADOOP-15027 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12904381/HADOOP-15027.007.patch
|
| Optional Tests | asflicense compile javac javadoc mvninstall mvnsite
unit shadedclient findbugs checkstyle |
| uname | Linux 3f3024e30cd6 3.13.0-129-generic #178-Ubuntu SMP Fri Aug 11
12:48:20 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / c0c7cce |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_151 |
| findbugs | v3.1.0-RC1 |
| checkstyle |
https://builds.apache.org/job/PreCommit-HADOOP-Build/13912/artifact/out/diff-checkstyle-hadoop-tools_hadoop-aliyun.txt
|
| Test Results |
https://builds.apache.org/job/PreCommit-HADOOP-Build/13912/testReport/ |
| Max. process+thread count | 311 (vs. ulimit of 5000) |
| modules | C: hadoop-tools/hadoop-aliyun U: hadoop-tools/hadoop-aliyun |
| Console output |
https://builds.apache.org/job/PreCommit-HADOOP-Build/13912/console |
| Powered by | Apache Yetus 0.7.0-SNAPSHOT http://yetus.apache.org |
[jira] [Commented] (HADOOP-15027) AliyunOSS: Improvements for Hadoop read from AliyunOSS
[
https://issues.apache.org/jira/browse/HADOOP-15027?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16309539#comment-16309539
]
wujinhu commented on HADOOP-15027:
--
update default configure
{code:java}
---
a/hadoop-tools/hadoop-aliyun/src/main/java/org/apache/hadoop/fs/aliyun/oss/Constants.java
+++
b/hadoop-tools/hadoop-aliyun/src/main/java/org/apache/hadoop/fs/aliyun/oss/Constants.java
@@ -101,14 +101,14 @@ private Constants() {
public static final String MULTIPART_DOWNLOAD_THREAD_NUMBER_KEY =
"fs.oss.multipart.download.threads";
- public static final int MULTIPART_DOWNLOAD_THREAD_NUMBER_DEFAULT = 10;
+ public static final int MULTIPART_DOWNLOAD_THREAD_NUMBER_DEFAULT = 16;
public static final String MAX_TOTAL_TASKS = "fs.oss.max.total.tasks";
- public static final int DEFAULT_MAX_TOTAL_TASKS = 128;
+ public static final int DEFAULT_MAX_TOTAL_TASKS = 1024;
public static final String MULTIPART_DOWNLOAD_AHEAD_PART_MAX_NUM_KEY =
"fs.oss.multipart.download.ahead.part.max.number";
- public static final int MULTIPART_DOWNLOAD_AHEAD_PART_MAX_NUM_DEFAULT = 8;
+ public static final int MULTIPART_DOWNLOAD_AHEAD_PART_MAX_NUM_DEFAULT = 4;
{code}
> AliyunOSS: Improvements for Hadoop read from AliyunOSS
> --
>
> Key: HADOOP-15027
> URL: https://issues.apache.org/jira/browse/HADOOP-15027
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/oss
>Affects Versions: 3.0.0
>Reporter: wujinhu
>Assignee: wujinhu
> Attachments: HADOOP-15027.001.patch, HADOOP-15027.002.patch,
> HADOOP-15027.003.patch, HADOOP-15027.004.patch, HADOOP-15027.005.patch,
> HADOOP-15027.006.patch, HADOOP-15027.007.patch
>
>
> Currently, AliyunOSSInputStream uses single thread to read data from
> AliyunOSS, so we can do some refactoring by using multi-thread pre-read to
> improve read performance.
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[jira] [Commented] (HADOOP-15027) AliyunOSS: Improvements for Hadoop read from AliyunOSS
[
https://issues.apache.org/jira/browse/HADOOP-15027?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16306684#comment-16306684
]
genericqa commented on HADOOP-15027:
| (/) *{color:green}+1 overall{color}* |
\\
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|| Vote || Subsystem || Runtime || Comment ||
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|| || || || {color:brown} Prechecks {color} ||
| {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m
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0s{color} | {color:green} The patch appears to include 1 new or modified test
files. {color} |
|| || || || {color:brown} trunk Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 16m
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|| || || || {color:brown} Patch Compile Tests {color} ||
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| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}
0m 9s{color} | {color:orange} hadoop-tools/hadoop-aliyun: The patch generated
16 new + 0 unchanged - 0 fixed = 16 total (was 0) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m
16s{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} |
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11m 12s{color} | {color:green} patch has no errors when building and testing
our client artifacts. {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
15s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 0m
17s{color} | {color:green} hadoop-aliyun in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
20s{color} | {color:green} The patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 42m 59s{color} |
{color:black} {color} |
\\
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:5b98639 |
| JIRA Issue | HADOOP-15027 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12904055/HADOOP-15027.006.patch
|
| Optional Tests | asflicense compile javac javadoc mvninstall mvnsite
unit shadedclient findbugs checkstyle |
| uname | Linux 368def94bb59 3.13.0-135-generic #184-Ubuntu SMP Wed Oct 18
11:55:51 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / 4bb765e |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_151 |
| findbugs | v3.1.0-RC1 |
| checkstyle |
https://builds.apache.org/job/PreCommit-HADOOP-Build/13903/artifact/out/diff-checkstyle-hadoop-tools_hadoop-aliyun.txt
|
| Test Results |
https://builds.apache.org/job/PreCommit-HADOOP-Build/13903/testReport/ |
| Max. process+thread count | 382 (vs. ulimit of 5000) |
| modules | C: hadoop-tools/hadoop-aliyun U: hadoop-tools/hadoop-aliyun |
| Console output |
https://builds.apache.org/job/PreCommit-HADOOP-Build/13903/console |
| Powered by | Apache Yetus 0.7.0-SNAPSHOT http://yetus.apache.org |
[jira] [Commented] (HADOOP-15027) AliyunOSS: Improvements for Hadoop read from AliyunOSS
[
https://issues.apache.org/jira/browse/HADOOP-15027?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16303503#comment-16303503
]
genericqa commented on HADOOP-15027:
| (/) *{color:green}+1 overall{color}* |
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9s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {color} ||
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:5b98639 |
| JIRA Issue | HADOOP-15027 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12903686/HADOOP-15027.005.patch
|
| Optional Tests | asflicense compile javac javadoc mvninstall mvnsite
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| findbugs | v3.1.0-RC1 |
| checkstyle |
https://builds.apache.org/job/PreCommit-HADOOP-Build/13887/artifact/out/diff-checkstyle-hadoop-tools_hadoop-aliyun.txt
|
| Test Results |
https://builds.apache.org/job/PreCommit-HADOOP-Build/13887/testReport/ |
| Max. process+thread count | 341 (vs. ulimit of 5000) |
| modules | C: hadoop-tools/hadoop-aliyun U: hadoop-tools/hadoop-aliyun |
| Console output |
https://builds.apache.org/job/PreCommit-HADOOP-Build/13887/console |
| Powered by | Apache Yetus 0.7.0-SNAPSHOT http://yetus.apache.org |
[jira] [Commented] (HADOOP-15027) AliyunOSS: Improvements for Hadoop read from AliyunOSS
[ https://issues.apache.org/jira/browse/HADOOP-15027?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16303484#comment-16303484 ] wujinhu commented on HADOOP-15027: -- Update patch! After talked with [~drankye] offline, I made some improvements to this patch: 1. use try-with-resource instead of try-finally to make code more clear 2. change some code style 3. refine some logs & add warning logs if user set wrong configure and use default configure > AliyunOSS: Improvements for Hadoop read from AliyunOSS > -- > > Key: HADOOP-15027 > URL: https://issues.apache.org/jira/browse/HADOOP-15027 > Project: Hadoop Common > Issue Type: Sub-task > Components: fs/oss >Affects Versions: 3.0.0 >Reporter: wujinhu >Assignee: wujinhu > Attachments: HADOOP-15027.001.patch, HADOOP-15027.002.patch, > HADOOP-15027.003.patch, HADOOP-15027.004.patch, HADOOP-15027.005.patch > > > Currently, AliyunOSSInputStream uses single thread to read data from > AliyunOSS, so we can do some refactoring by using multi-thread pre-read to > improve read performance. -- This message was sent by Atlassian JIRA (v6.4.14#64029) - To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-issues-h...@hadoop.apache.org
[jira] [Commented] (HADOOP-15027) AliyunOSS: Improvements for Hadoop read from AliyunOSS
[ https://issues.apache.org/jira/browse/HADOOP-15027?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16291908#comment-16291908 ] wujinhu commented on HADOOP-15027: -- [~ste...@apache.org] [~drankye] [~uncleGen] [~Sammi] Please take a review, this patch based on HADOOP-15039 that refactor *_SemaphoredDelegatingExecutor_*. > AliyunOSS: Improvements for Hadoop read from AliyunOSS > -- > > Key: HADOOP-15027 > URL: https://issues.apache.org/jira/browse/HADOOP-15027 > Project: Hadoop Common > Issue Type: Sub-task > Components: fs/oss >Affects Versions: 3.0.0 >Reporter: wujinhu >Assignee: wujinhu > Attachments: HADOOP-15027.001.patch, HADOOP-15027.002.patch, > HADOOP-15027.003.patch, HADOOP-15027.004.patch > > > Currently, read performance is poor when Hadoop reads from AliyunOSS. It > needs about 1min to read 1GB from OSS. > Class AliyunOSSInputStream uses single thread to read data from AliyunOSS, > so we can refactor this by using multi-thread pre read to improve this. -- This message was sent by Atlassian JIRA (v6.4.14#64029) - To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-issues-h...@hadoop.apache.org
[jira] [Commented] (HADOOP-15027) AliyunOSS: Improvements for Hadoop read from AliyunOSS
[
https://issues.apache.org/jira/browse/HADOOP-15027?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16291053#comment-16291053
]
genericqa commented on HADOOP-15027:
| (/) *{color:green}+1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
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|| || || || {color:brown} trunk Compile Tests {color} ||
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|| || || || {color:brown} Other Tests {color} ||
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{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 54m 9s{color} |
{color:black} {color} |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:5b98639 |
| JIRA Issue | HADOOP-15027 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12902085/HADOOP-15027.004.patch
|
| Optional Tests | asflicense compile javac javadoc mvninstall mvnsite
unit shadedclient findbugs checkstyle |
| uname | Linux 247bf0b46188 3.13.0-129-generic #178-Ubuntu SMP Fri Aug 11
12:48:20 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / 2564b4d |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_151 |
| findbugs | v3.1.0-RC1 |
| checkstyle |
https://builds.apache.org/job/PreCommit-HADOOP-Build/13828/artifact/out/diff-checkstyle-hadoop-tools_hadoop-aliyun.txt
|
| Test Results |
https://builds.apache.org/job/PreCommit-HADOOP-Build/13828/testReport/ |
| Max. process+thread count | 301 (vs. ulimit of 5000) |
| modules | C: hadoop-tools/hadoop-aliyun U: hadoop-tools/hadoop-aliyun |
| Console output |
https://builds.apache.org/job/PreCommit-HADOOP-Build/13828/console |
| Powered by | Apache Yetus 0.7.0-SNAPSHOT http://yetus.apache.org |
[jira] [Commented] (HADOOP-15027) AliyunOSS: Improvements for Hadoop read from AliyunOSS
[ https://issues.apache.org/jira/browse/HADOOP-15027?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16290933#comment-16290933 ] wujinhu commented on HADOOP-15027: -- attach patch based on HADOOP-15039 > AliyunOSS: Improvements for Hadoop read from AliyunOSS > -- > > Key: HADOOP-15027 > URL: https://issues.apache.org/jira/browse/HADOOP-15027 > Project: Hadoop Common > Issue Type: Sub-task > Components: fs/oss >Affects Versions: 3.0.0 >Reporter: wujinhu >Assignee: wujinhu > Attachments: HADOOP-15027.001.patch, HADOOP-15027.002.patch, > HADOOP-15027.003.patch, HADOOP-15027.004.patch > > > Currently, read performance is poor when Hadoop reads from AliyunOSS. It > needs about 1min to read 1GB from OSS. > Class AliyunOSSInputStream uses single thread to read data from AliyunOSS, > so we can refactor this by using multi-thread pre read to improve this. -- This message was sent by Atlassian JIRA (v6.4.14#64029) - To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-issues-h...@hadoop.apache.org
[jira] [Commented] (HADOOP-15027) AliyunOSS: Improvements for Hadoop read from AliyunOSS
[ https://issues.apache.org/jira/browse/HADOOP-15027?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16279716#comment-16279716 ] Genmao Yu commented on HADOOP-15027: [~wujinhu] HADOOP-15039 merged, you can continue this work. > AliyunOSS: Improvements for Hadoop read from AliyunOSS > -- > > Key: HADOOP-15027 > URL: https://issues.apache.org/jira/browse/HADOOP-15027 > Project: Hadoop Common > Issue Type: Sub-task > Components: fs/oss >Affects Versions: 3.0.0 >Reporter: wujinhu >Assignee: wujinhu > Attachments: HADOOP-15027.001.patch, HADOOP-15027.002.patch, > HADOOP-15027.003.patch > > > Currently, read performance is poor when Hadoop reads from AliyunOSS. It > needs about 1min to read 1GB from OSS. > Class AliyunOSSInputStream uses single thread to read data from AliyunOSS, > so we can refactor this by using multi-thread pre read to improve this. -- This message was sent by Atlassian JIRA (v6.4.14#64029) - To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-issues-h...@hadoop.apache.org
