[ https://issues.apache.org/jira/browse/HDFS-10326?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16104377#comment-16104377 ]
Hadoop QA commented on HDFS-10326: ---------------------------------- | (x) *{color:red}-1 overall{color}* | \\ \\ || Vote || Subsystem || Runtime || Comment || | {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 17s{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} trunk Compile Tests {color} || | {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 35s{color} | {color:blue} Maven dependency ordering for branch {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 19m 18s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 2m 3s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 53s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 2m 3s{color} | {color:green} trunk passed {color} | | {color:red}-1{color} | {color:red} findbugs {color} | {color:red} 1m 52s{color} | {color:red} hadoop-hdfs-project/hadoop-hdfs-client in trunk has 2 extant Findbugs warnings. {color} | | {color:red}-1{color} | {color:red} findbugs {color} | {color:red} 2m 19s{color} | {color:red} hadoop-hdfs-project/hadoop-hdfs in trunk has 10 extant Findbugs warnings. {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 25s{color} | {color:green} trunk passed {color} | || || || || {color:brown} Patch Compile Tests {color} || | {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 13s{color} | {color:blue} Maven dependency ordering for patch {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 2m 10s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 2m 14s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 2m 14s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 54s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 2m 11s{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 45s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 19s{color} | {color:green} the patch passed {color} | || || || || {color:brown} Other Tests {color} || | {color:green}+1{color} | {color:green} unit {color} | {color:green} 1m 37s{color} | {color:green} hadoop-hdfs-client in the patch passed. {color} | | {color:red}-1{color} | {color:red} unit {color} | {color:red}104m 55s{color} | {color:red} hadoop-hdfs in the patch failed. {color} | | {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 44s{color} | {color:green} The patch does not generate ASF License warnings. {color} | | {color:black}{color} | {color:black} {color} | {color:black}154m 6s{color} | {color:black} {color} | \\ \\ || Reason || Tests || | Failed junit tests | hadoop.hdfs.server.datanode.TestDataNodeUUID | | | hadoop.hdfs.server.datanode.TestDataNodeMultipleRegistrations | | | hadoop.hdfs.TestReadStripedFileWithMissingBlocks | | | hadoop.hdfs.server.datanode.TestDirectoryScanner | | | hadoop.hdfs.server.datanode.TestDataNodeVolumeFailureReporting | | | hadoop.hdfs.server.namenode.TestReconstructStripedBlocks | | | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure080 | | Timed out junit tests | org.apache.hadoop.hdfs.server.blockmanagement.TestBlockStatsMXBean | \\ \\ || Subsystem || Report/Notes || | Docker | Image:yetus/hadoop:14b5c93 | | JIRA Issue | HDFS-10326 | | JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12818243/HDFS-10326.001.patch | | Optional Tests | asflicense compile javac javadoc mvninstall mvnsite unit findbugs checkstyle xml | | uname | Linux 2f54df5301d5 3.13.0-116-generic #163-Ubuntu SMP Fri Mar 31 14:13:22 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux | | Build tool | maven | | Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh | | git revision | trunk / 38c6fa5 | | Default Java | 1.8.0_131 | | findbugs | v3.1.0-RC1 | | findbugs | https://builds.apache.org/job/PreCommit-HDFS-Build/20456/artifact/patchprocess/branch-findbugs-hadoop-hdfs-project_hadoop-hdfs-client-warnings.html | | findbugs | https://builds.apache.org/job/PreCommit-HDFS-Build/20456/artifact/patchprocess/branch-findbugs-hadoop-hdfs-project_hadoop-hdfs-warnings.html | | unit | https://builds.apache.org/job/PreCommit-HDFS-Build/20456/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt | | Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/20456/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/20456/console | | Powered by | Apache Yetus 0.6.0-SNAPSHOT http://yetus.apache.org | This message was automatically generated. > Disable setting tcp socket send/receive buffers for write pipelines > ------------------------------------------------------------------- > > Key: HDFS-10326 > URL: https://issues.apache.org/jira/browse/HDFS-10326 > Project: Hadoop HDFS > Issue Type: Bug > Components: datanode, hdfs > Affects Versions: 2.6.0 > Reporter: Daryn Sharp > Assignee: Daryn Sharp > Attachments: HDFS-10326.000.patch, HDFS-10326.001.patch, > HDFS-10326.001.patch > > > The DataStreamer and the Datanode use a hardcoded > DEFAULT_DATA_SOCKET_SIZE=128K for the send and receive buffers of a write > pipeline. Explicitly setting tcp buffer sizes disables tcp stack > auto-tuning. > The hardcoded value will saturate a 1Gb with 1ms RTT. 105Mbs at 10ms. > Paltry 11Mbs over a 100ms long haul. 10Gb networks are underutilized. > There should either be a configuration to completely disable setting the > buffers, or the the setReceiveBuffer and setSendBuffer should be removed > entirely. -- This message was sent by Atlassian JIRA (v6.4.14#64029) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org