[jira] [Commented] (HADOOP-16027) [DOC] Effective use of FS instances during S3A integration tests
[
https://issues.apache.org/jira/browse/HADOOP-16027?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16739271#comment-16739271
]
Gabor Bota commented on HADOOP-16027:
-
Thanks [~mackrorysd]! As this is committed, could you resolve the issue?
> [DOC] Effective use of FS instances during S3A integration tests
>
>
> Key: HADOOP-16027
> URL: https://issues.apache.org/jira/browse/HADOOP-16027
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
>Reporter: Gabor Bota
>Assignee: Gabor Bota
>Priority: Major
> Attachments: HADOOP-16027.001.patch, HADOOP-16027.002.patch
>
>
> While fixing HADOOP-15819 we found that a closed fs got into the static fs
> cache during testing, which caused other tests to fail when the tests were
> running sequentially.
> We should document some best practices in the testing section on the s3 docs
> with the following:
> {panel}
> Tests using FileSystems are fastest if they can recycle the existing FS
> instance from the same JVM. If you do that, you MUST NOT close or do unique
> configuration on them. If you want a guarantee of 100% isolation or an
> instance with unique config, create a new instance
> which you MUST close in the teardown to avoid leakage of resources.
> Do not add FileSystem instances (with e.g
> org.apache.hadoop.fs.FileSystem#addFileSystemForTesting) to the cache that
> will be modified or closed during the test runs. This can cause other tests
> to fail when using the same modified or closed FS instance. For more details
> see HADOOP-15819.
> {panel}
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[jira] [Commented] (HADOOP-16027) [DOC] Effective use of FS instances during S3A integration tests
[
https://issues.apache.org/jira/browse/HADOOP-16027?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16738507#comment-16738507
]
Hudson commented on HADOOP-16027:
-
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #15751 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/15751/])
HADOOP-16027. [DOC] Effective use of FS instances during S3A integration (sean:
rev 3420e26ae57f5946a913278a8a62ae82e930df88)
* (edit) hadoop-tools/hadoop-aws/src/site/markdown/tools/hadoop-aws/testing.md
> [DOC] Effective use of FS instances during S3A integration tests
>
>
> Key: HADOOP-16027
> URL: https://issues.apache.org/jira/browse/HADOOP-16027
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
>Reporter: Gabor Bota
>Assignee: Gabor Bota
>Priority: Major
> Attachments: HADOOP-16027.001.patch, HADOOP-16027.002.patch
>
>
> While fixing HADOOP-15819 we found that a closed fs got into the static fs
> cache during testing, which caused other tests to fail when the tests were
> running sequentially.
> We should document some best practices in the testing section on the s3 docs
> with the following:
> {panel}
> Tests using FileSystems are fastest if they can recycle the existing FS
> instance from the same JVM. If you do that, you MUST NOT close or do unique
> configuration on them. If you want a guarantee of 100% isolation or an
> instance with unique config, create a new instance
> which you MUST close in the teardown to avoid leakage of resources.
> Do not add FileSystem instances (with e.g
> org.apache.hadoop.fs.FileSystem#addFileSystemForTesting) to the cache that
> will be modified or closed during the test runs. This can cause other tests
> to fail when using the same modified or closed FS instance. For more details
> see HADOOP-15819.
> {panel}
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[jira] [Commented] (HADOOP-16027) [DOC] Effective use of FS instances during S3A integration tests
[
https://issues.apache.org/jira/browse/HADOOP-16027?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16738490#comment-16738490
]
Sean Mackrory commented on HADOOP-16027:
+1, committed. Nit: added the empty lines between what appeared to be
paragraphs.
> [DOC] Effective use of FS instances during S3A integration tests
>
>
> Key: HADOOP-16027
> URL: https://issues.apache.org/jira/browse/HADOOP-16027
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
>Reporter: Gabor Bota
>Assignee: Gabor Bota
>Priority: Major
> Attachments: HADOOP-16027.001.patch, HADOOP-16027.002.patch
>
>
> While fixing HADOOP-15819 we found that a closed fs got into the static fs
> cache during testing, which caused other tests to fail when the tests were
> running sequentially.
> We should document some best practices in the testing section on the s3 docs
> with the following:
> {panel}
> Tests using FileSystems are fastest if they can recycle the existing FS
> instance from the same JVM. If you do that, you MUST NOT close or do unique
> configuration on them. If you want a guarantee of 100% isolation or an
> instance with unique config, create a new instance
> which you MUST close in the teardown to avoid leakage of resources.
> Do not add FileSystem instances (with e.g
> org.apache.hadoop.fs.FileSystem#addFileSystemForTesting) to the cache that
> will be modified or closed during the test runs. This can cause other tests
> to fail when using the same modified or closed FS instance. For more details
> see HADOOP-15819.
> {panel}
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[jira] [Commented] (HADOOP-16027) [DOC] Effective use of FS instances during S3A integration tests
[
https://issues.apache.org/jira/browse/HADOOP-16027?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16735655#comment-16735655
]
Hadoop QA commented on HADOOP-16027:
| (/) *{color:green}+1 overall{color}* |
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| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m
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| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green}
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|| || || || {color:brown} Other Tests {color} ||
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| {color:black}{color} | {color:black} {color} | {color:black} 46m 28s{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:8f97d6f |
| JIRA Issue | HADOOP-16027 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12953970/HADOOP-16027.002.patch
|
| Optional Tests | dupname asflicense mvnsite |
| uname | Linux 8fd065f3b047 4.4.0-139-generic #165-Ubuntu SMP Wed Oct 24
10:58:50 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
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| git revision | trunk / 5db7c49 |
| maven | version: Apache Maven 3.3.9 |
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| modules | C: hadoop-tools/hadoop-aws U: hadoop-tools/hadoop-aws |
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This message was automatically generated.
> [DOC] Effective use of FS instances during S3A integration tests
>
>
> Key: HADOOP-16027
> URL: https://issues.apache.org/jira/browse/HADOOP-16027
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
>Reporter: Gabor Bota
>Assignee: Gabor Bota
>Priority: Major
> Attachments: HADOOP-16027.001.patch, HADOOP-16027.002.patch
>
>
> While fixing HADOOP-15819 we found that a closed fs got into the static fs
> cache during testing, which caused other tests to fail when the tests were
> running sequentially.
> We should document some best practices in the testing section on the s3 docs
> with the following:
> {panel}
> Tests using FileSystems are fastest if they can recycle the existing FS
> instance from the same JVM. If you do that, you MUST NOT close or do unique
> configuration on them. If you want a guarantee of 100% isolation or an
> instance with unique config, create a new instance
> which you MUST close in the teardown to avoid leakage of resources.
> Do not add FileSystem instances (with e.g
> org.apache.hadoop.fs.FileSystem#addFileSystemForTesting) to the cache that
> will be modified or closed during the test runs. This can cause other tests
> to fail when using the same modified or closed FS instance. For more details
> see HADOOP-15819.
> {panel}
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[jira] [Commented] (HADOOP-16027) [DOC] Effective use of FS instances during S3A integration tests
[
https://issues.apache.org/jira/browse/HADOOP-16027?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16735623#comment-16735623
]
Gabor Bota commented on HADOOP-16027:
-
Thanks [~adam.antal], uploaded v2 patch with this.
> [DOC] Effective use of FS instances during S3A integration tests
>
>
> Key: HADOOP-16027
> URL: https://issues.apache.org/jira/browse/HADOOP-16027
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
>Reporter: Gabor Bota
>Assignee: Gabor Bota
>Priority: Major
> Attachments: HADOOP-16027.001.patch, HADOOP-16027.002.patch
>
>
> While fixing HADOOP-15819 we found that a closed fs got into the static fs
> cache during testing, which caused other tests to fail when the tests were
> running sequentially.
> We should document some best practices in the testing section on the s3 docs
> with the following:
> {panel}
> Tests using FileSystems are fastest if they can recycle the existing FS
> instance from the same JVM. If you do that, you MUST NOT close or do unique
> configuration on them. If you want a guarantee of 100% isolation or an
> instance with unique config, create a new instance
> which you MUST close in the teardown to avoid leakage of resources.
> Do not add FileSystem instances (with e.g
> org.apache.hadoop.fs.FileSystem#addFileSystemForTesting) to the cache that
> will be modified or closed during the test runs. This can cause other tests
> to fail when using the same modified or closed FS instance. For more details
> see HADOOP-15819.
> {panel}
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[jira] [Commented] (HADOOP-16027) [DOC] Effective use of FS instances during S3A integration tests
[
https://issues.apache.org/jira/browse/HADOOP-16027?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16734321#comment-16734321
]
Adam Antal commented on HADOOP-16027:
-
Thanks for the patch [~gabor.bota], it look good, as [~ste...@apache.org] said.
I'll add one minor thing: I'd rather add the word manually here
{code:java}
Do NOT add manually `FileSystem` instances (...) to the cache
{code}
(instead of
{code:java}
Do NOT add `FileSystem` instances (...) to the cache
{code}
) because many FS instances are actually added to the cache - but just as the
they're closed, they got removed from it.
> [DOC] Effective use of FS instances during S3A integration tests
>
>
> Key: HADOOP-16027
> URL: https://issues.apache.org/jira/browse/HADOOP-16027
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
>Reporter: Gabor Bota
>Assignee: Gabor Bota
>Priority: Major
> Attachments: HADOOP-16027.001.patch
>
>
> While fixing HADOOP-15819 we found that a closed fs got into the static fs
> cache during testing, which caused other tests to fail when the tests were
> running sequentially.
> We should document some best practices in the testing section on the s3 docs
> with the following:
> {panel}
> Tests using FileSystems are fastest if they can recycle the existing FS
> instance from the same JVM. If you do that, you MUST NOT close or do unique
> configuration on them. If you want a guarantee of 100% isolation or an
> instance with unique config, create a new instance
> which you MUST close in the teardown to avoid leakage of resources.
> Do not add FileSystem instances (with e.g
> org.apache.hadoop.fs.FileSystem#addFileSystemForTesting) to the cache that
> will be modified or closed during the test runs. This can cause other tests
> to fail when using the same modified or closed FS instance. For more details
> see HADOOP-15819.
> {panel}
--
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[jira] [Commented] (HADOOP-16027) [DOC] Effective use of FS instances during S3A integration tests
[
https://issues.apache.org/jira/browse/HADOOP-16027?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16734295#comment-16734295
]
Hadoop QA commented on HADOOP-16027:
| (/) *{color:green}+1 overall{color}* |
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|| || || || {color:brown} trunk Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 20m
39s{color} | {color:green} trunk passed {color} |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:8f97d6f |
| JIRA Issue | HADOOP-16027 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12953767/HADOOP-16027.001.patch
|
| Optional Tests | dupname asflicense mvnsite |
| uname | Linux 5603d804cd2b 4.4.0-138-generic #164~14.04.1-Ubuntu SMP Fri Oct
5 08:56:16 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / 8c6978c |
| maven | version: Apache Maven 3.3.9 |
| Max. process+thread count | 306 (vs. ulimit of 1) |
| modules | C: hadoop-tools/hadoop-aws U: hadoop-tools/hadoop-aws |
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This message was automatically generated.
> [DOC] Effective use of FS instances during S3A integration tests
>
>
> Key: HADOOP-16027
> URL: https://issues.apache.org/jira/browse/HADOOP-16027
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
>Reporter: Gabor Bota
>Assignee: Gabor Bota
>Priority: Major
> Attachments: HADOOP-16027.001.patch
>
>
> While fixing HADOOP-15819 we found that a closed fs got into the static fs
> cache during testing, which caused other tests to fail when the tests were
> running sequentially.
> We should document some best practices in the testing section on the s3 docs
> with the following:
> {panel}
> Tests using FileSystems are fastest if they can recycle the existing FS
> instance from the same JVM. If you do that, you MUST NOT close or do unique
> configuration on them. If you want a guarantee of 100% isolation or an
> instance with unique config, create a new instance
> which you MUST close in the teardown to avoid leakage of resources.
> Do not add FileSystem instances (with e.g
> org.apache.hadoop.fs.FileSystem#addFileSystemForTesting) to the cache that
> will be modified or closed during the test runs. This can cause other tests
> to fail when using the same modified or closed FS instance. For more details
> see HADOOP-15819.
> {panel}
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