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https://issues.apache.org/jira/browse/HDFS-14740?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17000576#comment-17000576
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Hadoop QA commented on HDFS-14740:
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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} 17m
50s{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} branch-3.1 Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 2m
22s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:red}-1{color} | {color:red} mvninstall {color} | {color:red} 7m
1s{color} | {color:red} root in branch-3.1 failed. {color} |
| {color:red}-1{color} | {color:red} compile {color} | {color:red} 2m
0s{color} | {color:red} root in branch-3.1 failed. {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}
1m 22s{color} | {color:orange} The patch fails to run checkstyle in root
{color} |
| {color:red}-1{color} | {color:red} mvnsite {color} | {color:red} 0m
34s{color} | {color:red} hadoop-hdfs in branch-3.1 failed. {color} |
| {color:red}-1{color} | {color:red} shadedclient {color} | {color:red} 6m
22s{color} | {color:red} branch has errors when building and testing our client
artifacts. {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red} 0m
23s{color} | {color:red} hadoop-hdfs in branch-3.1 failed. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m
37s{color} | {color:green} branch-3.1 passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m
15s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:red}-1{color} | {color:red} mvninstall {color} | {color:red} 0m
31s{color} | {color:red} hadoop-hdfs in the patch failed. {color} |
| {color:red}-1{color} | {color:red} compile {color} | {color:red} 1m
58s{color} | {color:red} root in the patch failed. {color} |
| {color:red}-1{color} | {color:red} cc {color} | {color:red} 1m 58s{color} |
{color:red} root in the patch failed. {color} |
| {color:red}-1{color} | {color:red} javac {color} | {color:red} 1m 58s{color}
| {color:red} root in the patch failed. {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}
1m 17s{color} | {color:orange} The patch fails to run checkstyle in root
{color} |
| {color:red}-1{color} | {color:red} mvnsite {color} | {color:red} 0m
34s{color} | {color:red} hadoop-hdfs in the patch failed. {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:red}-1{color} | {color:red} shadedclient {color} | {color:red} 3m
37s{color} | {color:red} patch has errors when building and testing our client
artifacts. {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red} 0m
23s{color} | {color:red} hadoop-hdfs in the patch failed. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m
32s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 8m
30s{color} | {color:green} hadoop-common in the patch passed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 0m 34s{color}
| {color:red} hadoop-hdfs in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
23s{color} | {color:green} The patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 63m 20s{color} |
{color:black} {color} |
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|| Subsystem || Report/Notes ||
| Docker | Client=19.03.5 Server=19.03.5 Image:yetus/hadoop:70a0ef5d4a6 |
| JIRA Issue | HDFS-14740 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12989226/HDFS-14740-branch-3.1-000.patch
|
| Optional Tests | dupname asflicense compile javac javadoc mvninstall
mvnsite unit shadedclient findbugs checkstyle cc xml |
| uname | Linux 22f6d482711d 4.15.0-66-generic #75-Ubuntu SMP Tue Oct 1
05:24:09 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | branch-3.1 / 2755562 |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_232 |
| mvninstall |
https://builds.apache.org/job/PreCommit-HDFS-Build/28546/artifact/out/branch-mvninstall-root.txt
|
| compile |
https://builds.apache.org/job/PreCommit-HDFS-Build/28546/artifact/out/branch-compile-root.txt
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| checkstyle |
https://builds.apache.org/job/PreCommit-HDFS-Build/28546/artifact/out//testptch/patchprocess/maven-branch-checkstyle-root.txt
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| mvnsite |
https://builds.apache.org/job/PreCommit-HDFS-Build/28546/artifact/out/branch-mvnsite-hadoop-hdfs-project_hadoop-hdfs.txt
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| findbugs | v3.1.0-RC1 |
| findbugs |
https://builds.apache.org/job/PreCommit-HDFS-Build/28546/artifact/out/branch-findbugs-hadoop-hdfs-project_hadoop-hdfs.txt
|
| mvninstall |
https://builds.apache.org/job/PreCommit-HDFS-Build/28546/artifact/out/patch-mvninstall-hadoop-hdfs-project_hadoop-hdfs.txt
|
| compile |
https://builds.apache.org/job/PreCommit-HDFS-Build/28546/artifact/out/patch-compile-root.txt
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| cc |
https://builds.apache.org/job/PreCommit-HDFS-Build/28546/artifact/out/patch-compile-root.txt
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| javac |
https://builds.apache.org/job/PreCommit-HDFS-Build/28546/artifact/out/patch-compile-root.txt
|
| checkstyle |
https://builds.apache.org/job/PreCommit-HDFS-Build/28546/artifact/out//testptch/patchprocess/maven-patch-checkstyle-root.txt
|
| mvnsite |
https://builds.apache.org/job/PreCommit-HDFS-Build/28546/artifact/out/patch-mvnsite-hadoop-hdfs-project_hadoop-hdfs.txt
|
| findbugs |
https://builds.apache.org/job/PreCommit-HDFS-Build/28546/artifact/out/patch-findbugs-hadoop-hdfs-project_hadoop-hdfs.txt
|
| unit |
https://builds.apache.org/job/PreCommit-HDFS-Build/28546/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
|
| Test Results |
https://builds.apache.org/job/PreCommit-HDFS-Build/28546/testReport/ |
| Max. process+thread count | 1343 (vs. ulimit of 5500) |
| modules | C: hadoop-common-project/hadoop-common
hadoop-hdfs-project/hadoop-hdfs U: . |
| Console output |
https://builds.apache.org/job/PreCommit-HDFS-Build/28546/console |
| Powered by | Apache Yetus 0.8.0 http://yetus.apache.org |
This message was automatically generated.
> Recover data blocks from persistent memory read cache during datanode restarts
> ------------------------------------------------------------------------------
>
> Key: HDFS-14740
> URL: https://issues.apache.org/jira/browse/HDFS-14740
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: caching, datanode
> Reporter: Feilong He
> Assignee: Feilong He
> Priority: Major
> Attachments: HDFS-14740-branch-3.1-000.patch,
> HDFS-14740-branch-3.2-000.patch, HDFS-14740.000.patch, HDFS-14740.001.patch,
> HDFS-14740.002.patch, HDFS-14740.003.patch, HDFS-14740.004.patch,
> HDFS-14740.005.patch, HDFS-14740.006.patch, HDFS-14740.007.patch,
> HDFS-14740.008.patch, HDFS_Persistent_Read-Cache_Design-v1.pdf,
> HDFS_Persistent_Read-Cache_Test-v1.1.pdf,
> HDFS_Persistent_Read-Cache_Test-v1.pdf, HDFS_Persistent_Read-Cache_Test-v2.pdf
>
>
> In HDFS-13762, persistent memory (PM) is enabled in HDFS centralized cache
> management. Even though PM can persist cache data, for simplifying the
> initial implementation, the previous cache data will be cleaned up during
> DataNode restarts. Here, we are proposing to improve HDFS PM cache by taking
> advantage of PM's data persistence characteristic, i.e., recovering the
> status for cached data, if any, when DataNode restarts, thus, cache warm up
> time can be saved for user.
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