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HDFS-6694. TestPipelinesFailover.testPipelineRecoveryStress tests fail intermittently with various symptoms - debugging patch (Contributed by Yongjun Zhang)

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arp 2014-08-27 09:52:33 -07:00
parent 812bd0c0e5
commit c5d9a4a91e
2 changed files with 32 additions and 0 deletions
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4
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -348,6 +348,10 @@ Trunk (Unreleased)
HDFS-6905. fs-encryption merge triggered release audit failures. (clamb via tucu)
HDFS-6694. TestPipelinesFailover.testPipelineRecoveryStress tests fail
intermittently with various symptoms - debugging patch. (Yongjun Zhang via
Arpit Agarwal)
Release 2.6.0 - UNRELEASED
INCOMPATIBLE CHANGES

28
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestPipelinesFailover.java
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@ -58,6 +58,7 @@
import org.apache.hadoop.test.GenericTestUtils.DelayAnswer;
import org.apache.hadoop.test.MultithreadedTestUtil.RepeatingTestThread;
import org.apache.hadoop.test.MultithreadedTestUtil.TestContext;
import org.apache.hadoop.util.Shell.ShellCommandExecutor;
import org.apache.log4j.Level;
import org.junit.Test;
import org.mockito.Mockito;
@ -420,6 +421,33 @@ public void testFailoverRightBeforeCommitSynchronization() throws Exception {
*/
@Test(timeout=STRESS_RUNTIME*3)
public void testPipelineRecoveryStress() throws Exception {
// The following section of code is to help debug HDFS-6694 about
// this test that fails from time to time due to "too many open files".
//
String[] scmd = new String[] {"/bin/sh", "-c", "ulimit -a"};
ShellCommandExecutor sce = new ShellCommandExecutor(scmd);
sce.execute();
System.out.println("HDFS-6694 Debug Data BEGIN===");
System.out.println("'ulimit -a' output:\n" + sce.getOutput());
scmd = new String[] {"hostname"};
sce = new ShellCommandExecutor(scmd);
sce.execute();
System.out.println("'hostname' output:\n" + sce.getOutput());
scmd = new String[] {"ifconfig"};
sce = new ShellCommandExecutor(scmd);
sce.execute();
System.out.println("'ifconfig' output:\n" + sce.getOutput());
scmd = new String[] {"whoami"};
sce = new ShellCommandExecutor(scmd);
sce.execute();
System.out.println("'whoami' output:\n" + sce.getOutput());
System.out.println("===HDFS-6694 Debug Data END");
HAStressTestHarness harness = new HAStressTestHarness();
// Disable permissions so that another user can recover the lease.
harness.conf.setBoolean(