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https://issues.apache.org/jira/browse/HDFS-13762?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16722704#comment-16722704
]
Hadoop QA commented on HDFS-13762:
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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
14s{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} 1m
7s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 18m
27s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 14m
39s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 3m
16s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 13m
15s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green}
11m 7s{color} | {color:green} branch has no errors when building and testing
our client artifacts. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 0m
0s{color} | {color:blue} Skipped patched modules with no Java source:
hadoop-project-dist . {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 3m
32s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 5m
4s{color} | {color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m
26s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 20m
26s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 14m
4s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} cc {color} | {color:green} 14m
4s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 14m
4s{color} | {color:green} the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}
3m 13s{color} | {color:orange} root: The patch generated 3 new + 785 unchanged
- 3 fixed = 788 total (was 788) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 13m
34s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} shellcheck {color} | {color:green} 0m
1s{color} | {color:green} There were no new shellcheck issues. {color} |
| {color:green}+1{color} | {color:green} shelldocs {color} | {color:green} 0m
11s{color} | {color:green} There were no new shelldocs issues. {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
3s{color} | {color:green} The patch has no ill-formed XML file. {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green}
10m 25s{color} | {color:green} patch has no errors when building and testing
our client artifacts. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 0m
0s{color} | {color:blue} Skipped patched modules with no Java source:
hadoop-project-dist . {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 3m
41s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 5m
5s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 99m 10s{color}
| {color:red} root in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
38s{color} | {color:green} The patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}243m 21s{color} |
{color:black} {color} |
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|| Reason || Tests ||
| Failed junit tests | hadoop.registry.secure.TestSecureLogins |
| | hadoop.hdfs.web.TestWebHdfsTimeouts |
| | hadoop.hdfs.TestDFSStripedOutputStreamWithRandomECPolicy |
| | hadoop.hdfs.server.namenode.ha.TestBootstrapAliasmap |
| | hadoop.tools.TestHdfsConfigFields |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:8f97d6f |
| JIRA Issue | HDFS-13762 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12951972/HDFS-13762.007.patch |
| Optional Tests | dupname asflicense shellcheck shelldocs compile javac
javadoc mvninstall mvnsite unit shadedclient xml cc findbugs checkstyle
|
| uname | Linux 8f3e5f8337f7 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 |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / 04c0347 |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_181 |
| shellcheck | v0.4.6 |
| findbugs | v3.1.0-RC1 |
| checkstyle |
https://builds.apache.org/job/PreCommit-HDFS-Build/25817/artifact/out/diff-checkstyle-root.txt
|
| unit |
https://builds.apache.org/job/PreCommit-HDFS-Build/25817/artifact/out/patch-unit-root.txt
|
| Test Results |
https://builds.apache.org/job/PreCommit-HDFS-Build/25817/testReport/ |
| Max. process+thread count | 4602 (vs. ulimit of 10000) |
| modules | C: hadoop-project-dist hadoop-common-project/hadoop-common
hadoop-hdfs-project/hadoop-hdfs . U: . |
| Console output |
https://builds.apache.org/job/PreCommit-HDFS-Build/25817/console |
| Powered by | Apache Yetus 0.8.0 http://yetus.apache.org |
This message was automatically generated.
> Support non-volatile storage class memory(SCM) in HDFS cache directives
> -----------------------------------------------------------------------
>
> Key: HDFS-13762
> URL: https://issues.apache.org/jira/browse/HDFS-13762
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: caching, datanode
> Reporter: Sammi Chen
> Assignee: Wei Zhou
> Priority: Major
> Attachments: HDFS-13762.000.patch, HDFS-13762.001.patch,
> HDFS-13762.002.patch, HDFS-13762.003.patch, HDFS-13762.004.patch,
> HDFS-13762.005.patch, HDFS-13762.006.patch, HDFS-13762.007.patch,
> SCMCacheDesign-2018-11-08.pdf, SCMCacheTestPlan.pdf
>
>
> No-volatile storage class memory is a type of memory that can keep the data
> content after power failure or between the power cycle. Non-volatile storage
> class memory device usually has near access speed as memory DIMM while has
> lower cost than memory. So today It is usually used as a supplement to
> memory to hold long tern persistent data, such as data in cache.
> Currently in HDFS, we have OS page cache backed read only cache and RAMDISK
> based lazy write cache. Non-volatile memory suits for both these functions.
> This Jira aims to enable storage class memory first in read cache. Although
> storage class memory has non-volatile characteristics, to keep the same
> behavior as current read only cache, we don't use its persistent
> characteristics currently.
>
>
>
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