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https://issues.apache.org/jira/browse/HDFS-12283?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16137938#comment-16137938
 ] 

Hadoop QA commented on HDFS-12283:
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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 
15s{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} HDFS-7240 Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
32s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:red}-1{color} | {color:red} mvninstall {color} | {color:red} 15m 
42s{color} | {color:red} root in HDFS-7240 failed. {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 
35s{color} | {color:green} HDFS-7240 passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
45s{color} | {color:green} HDFS-7240 passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m 
35s{color} | {color:green} HDFS-7240 passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  3m 
37s{color} | {color:green} HDFS-7240 passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
43s{color} | {color:green} HDFS-7240 passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m  
8s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m 
28s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 
33s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} cc {color} | {color:green}  1m 
33s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  1m 
33s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
42s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m 
33s{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  
2s{color} | {color:green} The patch has no ill-formed XML file. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  4m  
0s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
42s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red}  1m 42s{color} 
| {color:red} hadoop-hdfs-client in the patch failed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 78m 49s{color} 
| {color:red} hadoop-hdfs in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
26s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}119m 22s{color} | 
{color:black} {color} |
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|| Reason || Tests ||
| Failed junit tests | hadoop.scm.TestArchive |
|   | hadoop.hdfs.TestEncryptionZones |
|   | hadoop.ozone.scm.node.TestQueryNode |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure080 |
|   | hadoop.hdfs.server.datanode.TestDataNodeVolumeFailureReporting |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:14b5c93 |
| JIRA Issue | HDFS-12283 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12883255/HDFS-12283-HDFS-7240.008.patch
 |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  findbugs  checkstyle  cc  xml  |
| uname | Linux f737b30f044a 3.13.0-123-generic #172-Ubuntu SMP Mon Jun 26 
18:04:35 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh 
|
| git revision | HDFS-7240 / d0bd0f6 |
| Default Java | 1.8.0_144 |
| mvninstall | 
https://builds.apache.org/job/PreCommit-HDFS-Build/20814/artifact/patchprocess/branch-mvninstall-root.txt
 |
| findbugs | v3.1.0-RC1 |
| unit | 
https://builds.apache.org/job/PreCommit-HDFS-Build/20814/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-client.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-HDFS-Build/20814/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HDFS-Build/20814/testReport/ |
| modules | C: hadoop-hdfs-project/hadoop-hdfs-client 
hadoop-hdfs-project/hadoop-hdfs U: hadoop-hdfs-project |
| Console output | 
https://builds.apache.org/job/PreCommit-HDFS-Build/20814/console |
| Powered by | Apache Yetus 0.6.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> Ozone: DeleteKey-5: Implement SCM DeletedBlockLog
> -------------------------------------------------
>
>                 Key: HDFS-12283
>                 URL: https://issues.apache.org/jira/browse/HDFS-12283
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ozone, scm
>            Reporter: Weiwei Yang
>            Assignee: Yuanbo Liu
>         Attachments: HDFS-12283.001.patch, HDFS-12283-HDFS-7240.001.patch, 
> HDFS-12283-HDFS-7240.002.patch, HDFS-12283-HDFS-7240.003.patch, 
> HDFS-12283-HDFS-7240.004.patch, HDFS-12283-HDFS-7240.005.patch, 
> HDFS-12283-HDFS-7240.006.patch, HDFS-12283-HDFS-7240.007.patch, 
> HDFS-12283-HDFS-7240.008.patch
>
>
> The DeletedBlockLog is a persisted log in SCM to keep tracking container 
> blocks which are under deletion. It maintains info about under-deletion 
> container blocks that notified by KSM, and the state how it is processed. We 
> can use RocksDB to implement the 1st version of the log, the schema looks like
> ||TxID||ContainerName||Block List||ProcessedCount||
> |0|c1|b1,b2,b3|0|
> |1|c2|b1|3|
> |2|c2|b2, b3|-1|
> Some explanations
> # TxID is an incremental long value transaction ID for ONE container and 
> multiple blocks
> # Container name is the name of the container
> # Block list is a list of block IDs
> # ProcessedCount is the number of times SCM has sent this record to datanode, 
> it represents the "state" of the transaction, it is in range of \[-1, 5\], -1 
> means the transaction eventually failed after some retries, 5 is the max 
> number times of retries.
> We need to define {{DeletedBlockLog}} as an interface and implement this with 
> RocksDB {{MetadataStore}} as the first version.



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