[jira] [Commented] (HDFS-10360) DataNode may format directory and lose blocks if current/VERSION is missing
[
https://issues.apache.org/jira/browse/HDFS-10360?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15289342#comment-15289342
]
Hudson commented on HDFS-10360:
---
SUCCESS: Integrated in Hadoop-trunk-Commit #9814 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/9814/])
HDFS-10360. DataNode may format directory and lose blocks if (lei: rev
cf552aa87b4c47f0c73f51f44f3bc1d267c524cf)
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataStorage.java
*
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataNodeVolumeFailureReporting.java
*
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataStorage.java
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/common/Storage.java
> DataNode may format directory and lose blocks if current/VERSION is missing
> ---
>
> Key: HDFS-10360
> URL: https://issues.apache.org/jira/browse/HDFS-10360
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode
>Reporter: Wei-Chiu Chuang
>Assignee: Wei-Chiu Chuang
> Labels: dataloss, datanode
> Fix For: 2.9.0, 3.0.0-alpha1
>
> Attachments: HDFS-10360.001.patch, HDFS-10360.002.patch,
> HDFS-10360.003.patch, HDFS-10360.004.patch, HDFS-10360.004.patch,
> HDFS-10360.005.patch, HDFS-10360.007.patch
>
>
> Under certain circumstances, if the current/VERSION of a storage directory is
> missing, DataNode may format the storage directory even though _block files
> are not missing_.
> This is very easy to reproduce. Simply launch a HDFS cluster and create some
> files. Delete current/VERSION, and restart the data node.
> After the restart, the data node will format the directory and remove all
> existing block files:
> {noformat}
> 2016-05-03 12:57:15,387 INFO org.apache.hadoop.hdfs.server.common.Storage:
> Lock on /data/dfs/dn/in_use.lock acquired by nodename
> 5...@weichiu-dn-2.vpc.cloudera.com
> 2016-05-03 12:57:15,389 INFO org.apache.hadoop.hdfs.server.common.Storage:
> Storage directory /data/dfs/dn is not formatted for
> BP-787466439-172.26.24.43-1462305406642
> 2016-05-03 12:57:15,389 INFO org.apache.hadoop.hdfs.server.common.Storage:
> Formatting ...
> 2016-05-03 12:57:15,464 INFO org.apache.hadoop.hdfs.server.common.Storage:
> Analyzing storage directories for bpid BP-787466439-172.26.24.43-1462305406642
> 2016-05-03 12:57:15,464 INFO org.apache.hadoop.hdfs.server.common.Storage:
> Locking is disabled for
> /data/dfs/dn/current/BP-787466439-172.26.24.43-1462305406642
> 2016-05-03 12:57:15,465 INFO org.apache.hadoop.hdfs.server.common.Storage:
> Block pool storage directory
> /data/dfs/dn/current/BP-787466439-172.26.24.43-1462305406642 is not formatted
> for BP-787466439-172
> .26.24.43-1462305406642
> 2016-05-03 12:57:15,465 INFO org.apache.hadoop.hdfs.server.common.Storage:
> Formatting ...
> 2016-05-03 12:57:15,465 INFO org.apache.hadoop.hdfs.server.common.Storage:
> Formatting block pool BP-787466439-172.26.24.43-1462305406642 directory
> /data/dfs/dn/current/BP-787466439-172.26.24.43-1462305406642/current
> {noformat}
> The bug is: DataNode assumes that if none of {{current/VERSION}},
> {{previous/}}, {{previous.tmp/}}, {{removed.tmp/}}, {{finalized.tmp/}} and
> {{lastcheckpoint.tmp/}} exists, the storage directory contains nothing
> important to HDFS and decides to format it.
> https://github.com/apache/hadoop/blob/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/common/Storage.java#L526-L545
> However, block files may still exist, and in my opinion, we should do
> everything possible to retain the block files.
> I have two suggestions:
> # check if {{current/}} directory is empty. If not, throw an
> InconsistentFSStateException in {{Storage#analyzeStorage}} instead of
> asumming its not formatted. Or,
> # In {{Storage#clearDirectory}}, before it formats the storage directory,
> rename or move {{current/}} directory. Also, log whatever is being
> renamed/moved.
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[jira] [Commented] (HDFS-10360) DataNode may format directory and lose blocks if current/VERSION is missing
[
https://issues.apache.org/jira/browse/HDFS-10360?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15289277#comment-15289277
]
Wei-Chiu Chuang commented on HDFS-10360:
Thanks very much to Eddy for reviewing and committing this patch!
> DataNode may format directory and lose blocks if current/VERSION is missing
> ---
>
> Key: HDFS-10360
> URL: https://issues.apache.org/jira/browse/HDFS-10360
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode
>Reporter: Wei-Chiu Chuang
>Assignee: Wei-Chiu Chuang
> Labels: dataloss, datanode
> Fix For: 2.9.0, 3.0.0-alpha1
>
> Attachments: HDFS-10360.001.patch, HDFS-10360.002.patch,
> HDFS-10360.003.patch, HDFS-10360.004.patch, HDFS-10360.004.patch,
> HDFS-10360.005.patch, HDFS-10360.007.patch
>
>
> Under certain circumstances, if the current/VERSION of a storage directory is
> missing, DataNode may format the storage directory even though _block files
> are not missing_.
> This is very easy to reproduce. Simply launch a HDFS cluster and create some
> files. Delete current/VERSION, and restart the data node.
> After the restart, the data node will format the directory and remove all
> existing block files:
> {noformat}
> 2016-05-03 12:57:15,387 INFO org.apache.hadoop.hdfs.server.common.Storage:
> Lock on /data/dfs/dn/in_use.lock acquired by nodename
> 5...@weichiu-dn-2.vpc.cloudera.com
> 2016-05-03 12:57:15,389 INFO org.apache.hadoop.hdfs.server.common.Storage:
> Storage directory /data/dfs/dn is not formatted for
> BP-787466439-172.26.24.43-1462305406642
> 2016-05-03 12:57:15,389 INFO org.apache.hadoop.hdfs.server.common.Storage:
> Formatting ...
> 2016-05-03 12:57:15,464 INFO org.apache.hadoop.hdfs.server.common.Storage:
> Analyzing storage directories for bpid BP-787466439-172.26.24.43-1462305406642
> 2016-05-03 12:57:15,464 INFO org.apache.hadoop.hdfs.server.common.Storage:
> Locking is disabled for
> /data/dfs/dn/current/BP-787466439-172.26.24.43-1462305406642
> 2016-05-03 12:57:15,465 INFO org.apache.hadoop.hdfs.server.common.Storage:
> Block pool storage directory
> /data/dfs/dn/current/BP-787466439-172.26.24.43-1462305406642 is not formatted
> for BP-787466439-172
> .26.24.43-1462305406642
> 2016-05-03 12:57:15,465 INFO org.apache.hadoop.hdfs.server.common.Storage:
> Formatting ...
> 2016-05-03 12:57:15,465 INFO org.apache.hadoop.hdfs.server.common.Storage:
> Formatting block pool BP-787466439-172.26.24.43-1462305406642 directory
> /data/dfs/dn/current/BP-787466439-172.26.24.43-1462305406642/current
> {noformat}
> The bug is: DataNode assumes that if none of {{current/VERSION}},
> {{previous/}}, {{previous.tmp/}}, {{removed.tmp/}}, {{finalized.tmp/}} and
> {{lastcheckpoint.tmp/}} exists, the storage directory contains nothing
> important to HDFS and decides to format it.
> https://github.com/apache/hadoop/blob/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/common/Storage.java#L526-L545
> However, block files may still exist, and in my opinion, we should do
> everything possible to retain the block files.
> I have two suggestions:
> # check if {{current/}} directory is empty. If not, throw an
> InconsistentFSStateException in {{Storage#analyzeStorage}} instead of
> asumming its not formatted. Or,
> # In {{Storage#clearDirectory}}, before it formats the storage directory,
> rename or move {{current/}} directory. Also, log whatever is being
> renamed/moved.
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[jira] [Commented] (HDFS-10360) DataNode may format directory and lose blocks if current/VERSION is missing
[
https://issues.apache.org/jira/browse/HDFS-10360?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15287875#comment-15287875
]
Hadoop QA commented on HDFS-10360:
--
| (x) *{color:red}-1 overall{color}* |
\\
\\
|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 11s
{color} | {color:blue} Docker mode activated. {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 2 new or modified test
files. {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 6m
51s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 47s
{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
28s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 54s
{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m
12s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m
43s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 8s
{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m
55s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 43s
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 43s
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
26s {color} | {color:green} hadoop-hdfs-project/hadoop-hdfs: patch generated 0
new + 126 unchanged - 3 fixed = 126 total (was 129) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 54s
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m
10s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m
0s {color} | {color:green} Patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m
47s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 1s
{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 57m 21s {color}
| {color:red} hadoop-hdfs in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
18s {color} | {color:green} Patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 77m 2s {color} |
{color:black} {color} |
\\
\\
|| Reason || Tests ||
| Failed junit tests | hadoop.hdfs.TestCrcCorruption |
\\
\\
|| Subsystem || Report/Notes ||
| Docker | Image:yetus/hadoop:2c91fd8 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12804520/HDFS-10360.007.patch |
| JIRA Issue | HDFS-10360 |
| Optional Tests | asflicense compile javac javadoc mvninstall mvnsite
unit findbugs checkstyle |
| uname | Linux dbad8962b686 3.13.0-36-lowlatency #63-Ubuntu SMP PREEMPT Wed
Sep 3 21:56:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh
|
| git revision | trunk / 0c6726e |
| Default Java | 1.8.0_91 |
| findbugs | v3.0.0 |
| unit |
https://builds.apache.org/job/PreCommit-HDFS-Build/15467/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
|
| unit test logs |
https://builds.apache.org/job/PreCommit-HDFS-Build/15467/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
|
| Test Results |
https://builds.apache.org/job/PreCommit-HDFS-Build/15467/testReport/ |
| modules | C: hadoop-hdfs-project/hadoop-hdfs U:
hadoop-hdfs-project/hadoop-hdfs |
| Console output |
https://builds.apache.org/job/PreCommit-HDFS-Build/15467/console |
| Powered by | Apache Yetus 0.2.0 http://yetus.apache.org |
This message was automatically generated.
> DataNode may format directory and lose blocks if current/VERSION is missing
> ---
>
> Key: HDFS-10360
>
[jira] [Commented] (HDFS-10360) DataNode may format directory and lose blocks if current/VERSION is missing
[
https://issues.apache.org/jira/browse/HDFS-10360?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15284888#comment-15284888
]
Lei (Eddy) Xu commented on HDFS-10360:
--
Hi, [~jojochuang] Thanks a lot for this finding. It exposes risk to lose data.
The code LGTM.
Would you mind to add a functional tests that starts a {{MiniDFSCluster}} with
such a "corrupted" data dir on one DN, and
* Set {{volFailuresTolerated}}
* Make sure that the failure volumes can be detected from DN JMX and NN JMX.
> DataNode may format directory and lose blocks if current/VERSION is missing
> ---
>
> Key: HDFS-10360
> URL: https://issues.apache.org/jira/browse/HDFS-10360
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode
>Reporter: Wei-Chiu Chuang
>Assignee: Wei-Chiu Chuang
> Attachments: HDFS-10360.001.patch, HDFS-10360.002.patch,
> HDFS-10360.003.patch, HDFS-10360.004.patch, HDFS-10360.004.patch,
> HDFS-10360.005.patch
>
>
> Under certain circumstances, if the current/VERSION of a storage directory is
> missing, DataNode may format the storage directory even though _block files
> are not missing_.
> This is very easy to reproduce. Simply launch a HDFS cluster and create some
> files. Delete current/VERSION, and restart the data node.
> After the restart, the data node will format the directory and remove all
> existing block files:
> {noformat}
> 2016-05-03 12:57:15,387 INFO org.apache.hadoop.hdfs.server.common.Storage:
> Lock on /data/dfs/dn/in_use.lock acquired by nodename
> 5...@weichiu-dn-2.vpc.cloudera.com
> 2016-05-03 12:57:15,389 INFO org.apache.hadoop.hdfs.server.common.Storage:
> Storage directory /data/dfs/dn is not formatted for
> BP-787466439-172.26.24.43-1462305406642
> 2016-05-03 12:57:15,389 INFO org.apache.hadoop.hdfs.server.common.Storage:
> Formatting ...
> 2016-05-03 12:57:15,464 INFO org.apache.hadoop.hdfs.server.common.Storage:
> Analyzing storage directories for bpid BP-787466439-172.26.24.43-1462305406642
> 2016-05-03 12:57:15,464 INFO org.apache.hadoop.hdfs.server.common.Storage:
> Locking is disabled for
> /data/dfs/dn/current/BP-787466439-172.26.24.43-1462305406642
> 2016-05-03 12:57:15,465 INFO org.apache.hadoop.hdfs.server.common.Storage:
> Block pool storage directory
> /data/dfs/dn/current/BP-787466439-172.26.24.43-1462305406642 is not formatted
> for BP-787466439-172
> .26.24.43-1462305406642
> 2016-05-03 12:57:15,465 INFO org.apache.hadoop.hdfs.server.common.Storage:
> Formatting ...
> 2016-05-03 12:57:15,465 INFO org.apache.hadoop.hdfs.server.common.Storage:
> Formatting block pool BP-787466439-172.26.24.43-1462305406642 directory
> /data/dfs/dn/current/BP-787466439-172.26.24.43-1462305406642/current
> {noformat}
> The bug is: DataNode assumes that if none of {{current/VERSION}},
> {{previous/}}, {{previous.tmp/}}, {{removed.tmp/}}, {{finalized.tmp/}} and
> {{lastcheckpoint.tmp/}} exists, the storage directory contains nothing
> important to HDFS and decides to format it.
> https://github.com/apache/hadoop/blob/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/common/Storage.java#L526-L545
> However, block files may still exist, and in my opinion, we should do
> everything possible to retain the block files.
> I have two suggestions:
> # check if {{current/}} directory is empty. If not, throw an
> InconsistentFSStateException in {{Storage#analyzeStorage}} instead of
> asumming its not formatted. Or,
> # In {{Storage#clearDirectory}}, before it formats the storage directory,
> rename or move {{current/}} directory. Also, log whatever is being
> renamed/moved.
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[jira] [Commented] (HDFS-10360) DataNode may format directory and lose blocks if current/VERSION is missing
[
https://issues.apache.org/jira/browse/HDFS-10360?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15284827#comment-15284827
]
Wei-Chiu Chuang commented on HDFS-10360:
Test failures are unrelated, and tests passed in my tree.
> DataNode may format directory and lose blocks if current/VERSION is missing
> ---
>
> Key: HDFS-10360
> URL: https://issues.apache.org/jira/browse/HDFS-10360
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode
>Reporter: Wei-Chiu Chuang
>Assignee: Wei-Chiu Chuang
> Attachments: HDFS-10360.001.patch, HDFS-10360.002.patch,
> HDFS-10360.003.patch, HDFS-10360.004.patch, HDFS-10360.004.patch,
> HDFS-10360.005.patch
>
>
> Under certain circumstances, if the current/VERSION of a storage directory is
> missing, DataNode may format the storage directory even though _block files
> are not missing_.
> This is very easy to reproduce. Simply launch a HDFS cluster and create some
> files. Delete current/VERSION, and restart the data node.
> After the restart, the data node will format the directory and remove all
> existing block files:
> {noformat}
> 2016-05-03 12:57:15,387 INFO org.apache.hadoop.hdfs.server.common.Storage:
> Lock on /data/dfs/dn/in_use.lock acquired by nodename
> 5...@weichiu-dn-2.vpc.cloudera.com
> 2016-05-03 12:57:15,389 INFO org.apache.hadoop.hdfs.server.common.Storage:
> Storage directory /data/dfs/dn is not formatted for
> BP-787466439-172.26.24.43-1462305406642
> 2016-05-03 12:57:15,389 INFO org.apache.hadoop.hdfs.server.common.Storage:
> Formatting ...
> 2016-05-03 12:57:15,464 INFO org.apache.hadoop.hdfs.server.common.Storage:
> Analyzing storage directories for bpid BP-787466439-172.26.24.43-1462305406642
> 2016-05-03 12:57:15,464 INFO org.apache.hadoop.hdfs.server.common.Storage:
> Locking is disabled for
> /data/dfs/dn/current/BP-787466439-172.26.24.43-1462305406642
> 2016-05-03 12:57:15,465 INFO org.apache.hadoop.hdfs.server.common.Storage:
> Block pool storage directory
> /data/dfs/dn/current/BP-787466439-172.26.24.43-1462305406642 is not formatted
> for BP-787466439-172
> .26.24.43-1462305406642
> 2016-05-03 12:57:15,465 INFO org.apache.hadoop.hdfs.server.common.Storage:
> Formatting ...
> 2016-05-03 12:57:15,465 INFO org.apache.hadoop.hdfs.server.common.Storage:
> Formatting block pool BP-787466439-172.26.24.43-1462305406642 directory
> /data/dfs/dn/current/BP-787466439-172.26.24.43-1462305406642/current
> {noformat}
> The bug is: DataNode assumes that if none of {{current/VERSION}},
> {{previous/}}, {{previous.tmp/}}, {{removed.tmp/}}, {{finalized.tmp/}} and
> {{lastcheckpoint.tmp/}} exists, the storage directory contains nothing
> important to HDFS and decides to format it.
> https://github.com/apache/hadoop/blob/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/common/Storage.java#L526-L545
> However, block files may still exist, and in my opinion, we should do
> everything possible to retain the block files.
> I have two suggestions:
> # check if {{current/}} directory is empty. If not, throw an
> InconsistentFSStateException in {{Storage#analyzeStorage}} instead of
> asumming its not formatted. Or,
> # In {{Storage#clearDirectory}}, before it formats the storage directory,
> rename or move {{current/}} directory. Also, log whatever is being
> renamed/moved.
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[jira] [Commented] (HDFS-10360) DataNode may format directory and lose blocks if current/VERSION is missing
[
https://issues.apache.org/jira/browse/HDFS-10360?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15284691#comment-15284691
]
Hadoop QA commented on HDFS-10360:
--
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{color} | {color:green} trunk passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
29s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 50s
{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m
13s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m
54s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 2s
{color} | {color:green} trunk passed with JDK v1.8.0_91 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 47s
{color} | {color:green} trunk passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m
45s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 35s
{color} | {color:green} the patch passed with JDK v1.8.0_91 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 35s
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 38s
{color} | {color:green} the patch passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 38s
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
26s {color} | {color:green} hadoop-hdfs-project/hadoop-hdfs: patch generated 0
new + 115 unchanged - 3 fixed = 115 total (was 118) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 48s
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m
11s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m
0s {color} | {color:green} Patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 2m 8s
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 1s
{color} | {color:green} the patch passed with JDK v1.8.0_91 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 42s
{color} | {color:green} the patch passed with JDK v1.7.0_95 {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 55m 32s {color}
| {color:red} hadoop-hdfs in the patch failed with JDK v1.8.0_91. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 54m 16s {color}
| {color:red} hadoop-hdfs in the patch failed with JDK v1.7.0_95. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
23s {color} | {color:green} Patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 135m 9s {color}
| {color:black} {color} |
\\
\\
|| Reason || Tests ||
| JDK v1.8.0_91 Failed junit tests |
hadoop.hdfs.server.datanode.TestDataNodeErasureCodingMetrics |
| JDK v1.7.0_95 Failed junit tests | hadoop.hdfs.server.namenode.TestFSImage |
| | hadoop.hdfs.TestEncryptionZonesWithKMS |
\\
\\
|| Subsystem || Report/Notes ||
| Docker | Image:yetus/hadoop:cf2ee45 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12804166/HDFS-10360.005.patch |
| JIRA Issue | HDFS-10360 |
| Optional Tests | asflicense compile javac javadoc mvninstall mvnsite
unit findbugs checkstyle |
| uname | Linux 9661d7a200f0
[jira] [Commented] (HDFS-10360) DataNode may format directory and lose blocks if current/VERSION is missing
[
https://issues.apache.org/jira/browse/HDFS-10360?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15277292#comment-15277292
]
Hadoop QA commented on HDFS-10360:
--
| (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 16s
{color} | {color:blue} Docker mode activated. {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:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 20s
{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 6m
56s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 6m 11s
{color} | {color:green} trunk passed with JDK v1.8.0_91 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 6m 52s
{color} | {color:green} trunk passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 1m
28s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m 28s
{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m
29s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 3m 4s
{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 28s
{color} | {color:green} trunk passed with JDK v1.8.0_91 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 2m 11s
{color} | {color:green} trunk passed with JDK v1.7.0_95 {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 16s
{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m
18s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 5m 53s
{color} | {color:green} the patch passed with JDK v1.8.0_91 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 5m 53s
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 6m 55s
{color} | {color:green} the patch passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 6m 55s
{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 1m 26s
{color} | {color:red} root: patch generated 6 new + 142 unchanged - 1 fixed =
148 total (was 143) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m 27s
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m
29s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m
0s {color} | {color:green} Patch has no whitespace issues. {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red} 2m 17s
{color} | {color:red} hadoop-hdfs-project/hadoop-hdfs generated 1 new + 0
unchanged - 0 fixed = 1 total (was 0) {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 30s
{color} | {color:green} the patch passed with JDK v1.8.0_91 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 2m 12s
{color} | {color:green} the patch passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 60m 20s
{color} | {color:green} hadoop-hdfs in the patch passed with JDK v1.8.0_91.
{color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 31m 33s {color}
| {color:red} hadoop-yarn-server-resourcemanager in the patch failed with JDK
v1.8.0_91. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 60m 34s {color}
| {color:red} hadoop-hdfs in the patch failed with JDK v1.7.0_95. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 31m 40s {color}
| {color:red} hadoop-yarn-server-resourcemanager in the patch failed with JDK
v1.7.0_95. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
25s {color} | {color:green} Patch does not generate ASF License warnings.
{color} |
| {color:black}{color} |
[jira] [Commented] (HDFS-10360) DataNode may format directory and lose blocks if current/VERSION is missing
[
https://issues.apache.org/jira/browse/HDFS-10360?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15269973#comment-15269973
]
Hadoop QA commented on HDFS-10360:
--
| (x) *{color:red}-1 overall{color}* |
\\
\\
|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 18s
{color} | {color:blue} Docker mode activated. {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:green}+1{color} | {color:green} mvninstall {color} | {color:green} 7m
7s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 52s
{color} | {color:green} trunk passed with JDK v1.8.0_92 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 43s
{color} | {color:green} trunk passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
21s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 53s
{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m
13s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m
58s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 12s
{color} | {color:green} trunk passed with JDK v1.8.0_92 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 55s
{color} | {color:green} trunk passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m
50s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 50s
{color} | {color:green} the patch passed with JDK v1.8.0_92 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 50s
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 41s
{color} | {color:green} the patch passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 41s
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
20s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 53s
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m
11s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m
0s {color} | {color:green} Patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 2m
12s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 12s
{color} | {color:green} the patch passed with JDK v1.8.0_92 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 55s
{color} | {color:green} the patch passed with JDK v1.7.0_95 {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 107m 15s
{color} | {color:red} hadoop-hdfs in the patch failed with JDK v1.8.0_92.
{color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 102m 20s
{color} | {color:red} hadoop-hdfs in the patch failed with JDK v1.7.0_95.
{color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
25s {color} | {color:green} Patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 237m 18s {color}
| {color:black} {color} |
\\
\\
|| Reason || Tests ||
| JDK v1.8.0_92 Failed junit tests |
hadoop.hdfs.server.namenode.ha.TestEditLogTailer |
| | hadoop.hdfs.shortcircuit.TestShortCircuitCache |
| | hadoop.hdfs.server.blockmanagement.TestBlockManager |
| | hadoop.hdfs.server.namenode.TestEditLog |
| | hadoop.hdfs.TestSafeMode |
| | hadoop.hdfs.server.namenode.ha.TestDFSUpgradeWithHA |
| | hadoop.hdfs.server.namenode.TestFileTruncate |
| | hadoop.hdfs.server.datanode.TestDirectoryScanner |
| | hadoop.hdfs.TestAsyncDFSRename |
| JDK v1.7.0_95 Failed junit tests |
hadoop.hdfs.server.namenode.web.resources.TestWebHdfsDataLocality |
| | hadoop.hdfs.server.namenode.ha.TestBootstrapStandby |
| |
[jira] [Commented] (HDFS-10360) DataNode may format directory and lose blocks if current/VERSION is missing
[
https://issues.apache.org/jira/browse/HDFS-10360?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15269669#comment-15269669
]
Wei-Chiu Chuang commented on HDFS-10360:
In addition to the fix, it should also report the error via JMX.
> DataNode may format directory and lose blocks if current/VERSION is missing
> ---
>
> Key: HDFS-10360
> URL: https://issues.apache.org/jira/browse/HDFS-10360
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode
>Reporter: Wei-Chiu Chuang
>Assignee: Wei-Chiu Chuang
> Attachments: HDFS-10360.001.patch
>
>
> Under certain circumstances, if the current/VERSION of a storage directory is
> missing, DataNode may format the storage directory even though _block files
> are not missing_.
> This is very easy to reproduce. Simply launch a HDFS cluster and create some
> files. Delete current/VERSION, and restart the data node.
> After the restart, the data node will format the directory and remove all
> existing block files:
> {noformat}
> 2016-05-03 12:57:15,387 INFO org.apache.hadoop.hdfs.server.common.Storage:
> Lock on /data/dfs/dn/in_use.lock acquired by nodename
> 5...@weichiu-dn-2.vpc.cloudera.com
> 2016-05-03 12:57:15,389 INFO org.apache.hadoop.hdfs.server.common.Storage:
> Storage directory /data/dfs/dn is not formatted for
> BP-787466439-172.26.24.43-1462305406642
> 2016-05-03 12:57:15,389 INFO org.apache.hadoop.hdfs.server.common.Storage:
> Formatting ...
> 2016-05-03 12:57:15,464 INFO org.apache.hadoop.hdfs.server.common.Storage:
> Analyzing storage directories for bpid BP-787466439-172.26.24.43-1462305406642
> 2016-05-03 12:57:15,464 INFO org.apache.hadoop.hdfs.server.common.Storage:
> Locking is disabled for
> /data/dfs/dn/current/BP-787466439-172.26.24.43-1462305406642
> 2016-05-03 12:57:15,465 INFO org.apache.hadoop.hdfs.server.common.Storage:
> Block pool storage directory
> /data/dfs/dn/current/BP-787466439-172.26.24.43-1462305406642 is not formatted
> for BP-787466439-172
> .26.24.43-1462305406642
> 2016-05-03 12:57:15,465 INFO org.apache.hadoop.hdfs.server.common.Storage:
> Formatting ...
> 2016-05-03 12:57:15,465 INFO org.apache.hadoop.hdfs.server.common.Storage:
> Formatting block pool BP-787466439-172.26.24.43-1462305406642 directory
> /data/dfs/dn/current/BP-787466439-172.26.24.43-1462305406642/current
> {noformat}
> The bug is: DataNode assumes that if none of {{current/VERSION}},
> {{previous/}}, {{previous.tmp/}}, {{removed.tmp/}}, {{finalized.tmp/}} and
> {{lastcheckpoint.tmp/}} exists, the storage directory contains nothing
> important to HDFS and decides to format it.
> https://github.com/apache/hadoop/blob/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/common/Storage.java#L526-L545
> However, block files may still exist, and in my opinion, we should do
> everything possible to retain the block files.
> I have two suggestions:
> # check if {{current/}} directory is empty. If not, throw an
> InconsistentFSStateException in {{Storage#analyzeStorage}} instead of
> asumming its not formatted. Or,
> # In {{Storage#clearDirectory}}, before it formats the storage directory,
> rename or move {{current/}} directory. Also, log whatever is being
> renamed/moved.
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