[ https://issues.apache.org/jira/browse/HDFS-14740?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17002792#comment-17002792 ]
Hadoop QA commented on HDFS-14740: ---------------------------------- | (x) *{color:red}-1 overall{color}* | \\ \\ || Vote || Subsystem || Runtime || Comment || | {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 13m 36s{color} | {color:blue} Docker mode activated. {color} | || || || || {color:brown} Prechecks {color} || | {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m 1s{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 30s{color} | {color:blue} Maven dependency ordering for branch {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 21m 2s{color} | {color:green} branch-3.1 passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 13m 7s{color} | {color:green} branch-3.1 passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 2m 28s{color} | {color:green} branch-3.1 passed {color} | | {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 2m 28s{color} | {color:green} branch-3.1 passed {color} | | {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 17m 0s{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 54s{color} | {color:green} branch-3.1 passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 2m 11s{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 21s{color} | {color:blue} Maven dependency ordering for patch {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m 50s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 12m 16s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} cc {color} | {color:green} 12m 16s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 12m 16s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 2m 31s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 2m 27s{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} shadedclient {color} | {color:green} 11m 23s{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 7s{color} | {color:green} the patch passed {color} | || || || || {color:brown} Other Tests {color} || | {color:green}+1{color} | {color:green} unit {color} | {color:green} 8m 40s{color} | {color:green} hadoop-common in the patch passed. {color} | | {color:red}-1{color} | {color:red} unit {color} | {color:red} 88m 34s{color} | {color:red} hadoop-hdfs in the patch failed. {color} | | {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 52s{color} | {color:green} The patch does not generate ASF License warnings. {color} | | {color:black}{color} | {color:black} {color} | {color:black}211m 53s{color} | {color:black} {color} | \\ \\ || Reason || Tests || | Failed junit tests | hadoop.hdfs.server.namenode.TestRedudantBlocks | | | hadoop.hdfs.server.balancer.TestBalancerWithMultipleNameNodes | | | hadoop.hdfs.TestLeaseRecovery2 | | | hadoop.hdfs.server.namenode.metrics.TestNameNodeMetrics | | | hadoop.hdfs.server.diskbalancer.TestDiskBalancer | \\ \\ || 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/12989416/HDFS-14740-branch-3.1-001.patch | | Optional Tests | dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient findbugs checkstyle cc xml | | uname | Linux bcece5a29b3e 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 | branch-3.1 / 01edc65 | | maven | version: Apache Maven 3.3.9 | | Default Java | 1.8.0_232 | | findbugs | v3.1.0-RC1 | | unit | https://builds.apache.org/job/PreCommit-HDFS-Build/28565/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt | | Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/28565/testReport/ | | Max. process+thread count | 3805 (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/28565/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-3.1-001.patch, HDFS-14740-branch-3.2-000.patch, > HDFS-14740-branch-3.2-001.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-14740.009.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. -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org