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https://issues.apache.org/jira/browse/HDFS-14740?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16928592#comment-16928592
]
Hadoop QA commented on HDFS-14740:
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| (/) *{color:green}+1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m
40s{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} trunk Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m
26s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 17m
50s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 16m
19s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 2m
32s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 2m
41s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green}
16m 54s{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} 3m
49s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 2m
17s{color} | {color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m
23s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m
41s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 13m
57s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} cc {color} | {color:green} 13m
57s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 13m
57s{color} | {color:green} the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}
2m 27s{color} | {color:orange} root: The patch generated 3 new + 756 unchanged
- 0 fixed = 759 total (was 756) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 2m
31s{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
1s{color} | {color:green} The patch has no ill-formed XML file. {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green}
10m 47s{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} 4m
2s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 2m
13s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 8m
51s{color} | {color:green} hadoop-common in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 86m
47s{color} | {color:green} hadoop-hdfs in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
51s{color} | {color:green} The patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}196m 33s{color} |
{color:black} {color} |
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|| Subsystem || Report/Notes ||
| Docker | Client=19.03.1 Server=19.03.1 Image:yetus/hadoop:f4f9f0fe4f2 |
| JIRA Issue | HDFS-14740 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12980188/HDFS-14740.003.patch |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall
mvnsite unit shadedclient findbugs checkstyle cc xml |
| uname | Linux 668f240d0e0d 4.15.0-58-generic #64-Ubuntu SMP Tue Aug 6
11:12:41 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / f4f9f0f |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_222 |
| findbugs | v3.1.0-RC1 |
| checkstyle |
https://builds.apache.org/job/PreCommit-HDFS-Build/27855/artifact/out/diff-checkstyle-root.txt
|
| Test Results |
https://builds.apache.org/job/PreCommit-HDFS-Build/27855/testReport/ |
| Max. process+thread count | 4287 (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/27855/console |
| Powered by | Apache Yetus 0.8.0 http://yetus.apache.org |
This message was automatically generated.
> HDFS read cache persistence support
> -----------------------------------
>
> Key: HDFS-14740
> URL: https://issues.apache.org/jira/browse/HDFS-14740
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Feilong He
> Assignee: Rui Mo
> Priority: Major
> Attachments: HDFS-14740.000.patch, HDFS-14740.001.patch,
> HDFS-14740.002.patch, HDFS-14740.003.patch
>
>
> 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 cache
> status when DataNode restarts, thus, cache warm up time can be saved for user.
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