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Hadoop QA commented on HDFS-13834: ---------------------------------- | (/) *{color:green}+1 overall{color}* | \\ \\ || Vote || Subsystem || Runtime || Comment || | {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 16s{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} HDFS-13891 Compile Tests {color} || | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 26m 30s{color} | {color:green} HDFS-13891 passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 32s{color} | {color:green} HDFS-13891 passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 22s{color} | {color:green} HDFS-13891 passed {color} | | {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 34s{color} | {color:green} HDFS-13891 passed {color} | | {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 12m 48s{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} 0m 55s{color} | {color:green} HDFS-13891 passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 35s{color} | {color:green} HDFS-13891 passed {color} | || || || || {color:brown} Patch Compile Tests {color} || | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 30s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 26s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 26s{color} | {color:green} the patch passed {color} | | {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange} 0m 15s{color} | {color:orange} hadoop-hdfs-project/hadoop-hdfs-rbf: The patch generated 2 new + 0 unchanged - 0 fixed = 2 total (was 0) {color} | | {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 28s{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} shadedclient {color} | {color:green} 14m 24s{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} 1m 29s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 40s{color} | {color:green} the patch passed {color} | || || || || {color:brown} Other Tests {color} || | {color:green}+1{color} | {color:green} unit {color} | {color:green} 17m 15s{color} | {color:green} hadoop-hdfs-rbf in the patch passed. {color} | | {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 29s{color} | {color:green} The patch does not generate ASF License warnings. {color} | | {color:black}{color} | {color:black} {color} | {color:black} 79m 28s{color} | {color:black} {color} | \\ \\ || Subsystem || Report/Notes || | Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:3e39f4f | | JIRA Issue | HDFS-13834 | | JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12946612/HDFS-13834-HDFS-13891.2.patch | | Optional Tests | dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient findbugs checkstyle | | uname | Linux 470d15c4f104 3.13.0-143-generic #192-Ubuntu SMP Tue Feb 27 10:45:36 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux | | Build tool | maven | | Personality | /testptch/patchprocess/precommit/personality/provided.sh | | git revision | HDFS-13891 / 58ba945 | | maven | version: Apache Maven 3.3.9 | | Default Java | 1.8.0_181 | | findbugs | v3.1.0-RC1 | | checkstyle | https://builds.apache.org/job/PreCommit-HDFS-Build/25410/artifact/out/diff-checkstyle-hadoop-hdfs-project_hadoop-hdfs-rbf.txt | | Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/25410/testReport/ | | Max. process+thread count | 1050 (vs. ulimit of 10000) | | modules | C: hadoop-hdfs-project/hadoop-hdfs-rbf U: hadoop-hdfs-project/hadoop-hdfs-rbf | | Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/25410/console | | Powered by | Apache Yetus 0.8.0 http://yetus.apache.org | This message was automatically generated. > RBF: Connection creator thread should catch Throwable > ----------------------------------------------------- > > Key: HDFS-13834 > URL: https://issues.apache.org/jira/browse/HDFS-13834 > Project: Hadoop HDFS > Issue Type: Sub-task > Reporter: CR Hota > Assignee: CR Hota > Priority: Critical > Attachments: HDFS-13834-HDFS-13891.0.patch, > HDFS-13834-HDFS-13891.1.patch, HDFS-13834-HDFS-13891.2.patch, > HDFS-13834.0.patch, HDFS-13834.1.patch > > > Connection creator thread is a single thread thats responsible for creating > all downstream namenode connections. > This is very critical thread and hence should not die understand > exception/error scenarios. > We saw this behavior in production systems where the thread died leaving the > router process in bad state. > The thread should also catch a generic error/exception. > {code} > @Override > public void run() { > while (this.running) { > try { > ConnectionPool pool = this.queue.take(); > try { > int total = pool.getNumConnections(); > int active = pool.getNumActiveConnections(); > if (pool.getNumConnections() < pool.getMaxSize() && > active >= MIN_ACTIVE_RATIO * total) { > ConnectionContext conn = pool.newConnection(); > pool.addConnection(conn); > } else { > LOG.debug("Cannot add more than {} connections to {}", > pool.getMaxSize(), pool); > } > } catch (IOException e) { > LOG.error("Cannot create a new connection", e); > } > } catch (InterruptedException e) { > LOG.error("The connection creator was interrupted"); > this.running = false; > } > } > {code} -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org