Examples with DFS_RATIS_LEADER_ELECTION_MINIMUM_TIMEOUT_DURATION_KEY org.apache.hadoop.ozone.OzoneConfigKeys.DFS_RATIS_LEADER_ELECTION_MINIMUM_TIMEOUT_DURATION_KEY used on opensource projects

Example 1 with DFS_RATIS_LEADER_ELECTION_MINIMUM_TIMEOUT_DURATION_KEY

use of org.apache.hadoop.ozone.OzoneConfigKeys.DFS_RATIS_LEADER_ELECTION_MINIMUM_TIMEOUT_DURATION_KEY in project ozone by apache.

the class TestRatisPipelineLeader method testLeaderIdAfterLeaderChange.

@Test(timeout = 120000)
public void testLeaderIdAfterLeaderChange() throws Exception {
    List<Pipeline> pipelines = cluster.getStorageContainerManager().getPipelineManager().getPipelines(RatisReplicationConfig.getInstance(ReplicationFactor.THREE));
    Assert.assertFalse(pipelines.isEmpty());
    Pipeline ratisPipeline = pipelines.iterator().next();
    Assert.assertTrue(ratisPipeline.isHealthy());
    Optional<HddsDatanodeService> dnToStop = cluster.getHddsDatanodes().stream().filter(s -> !s.getDatanodeStateMachine().getDatanodeDetails().getUuid().equals(ratisPipeline.getLeaderId())).findAny();
    Assert.assertTrue(dnToStop.isPresent());
    dnToStop.get().stop();
    // wait long enough based on leader election min timeout
    Thread.sleep(4000 * conf.getTimeDuration(DFS_RATIS_LEADER_ELECTION_MINIMUM_TIMEOUT_DURATION_KEY, 5, TimeUnit.SECONDS));
    GenericTestUtils.waitFor(() -> {
        try {
            return verifyLeaderInfo(ratisPipeline);
        } catch (Exception e) {
            LOG.error("Failed verifying the leader info.", e);
            Assert.fail("Failed getting leader info.");
            return false;
        }
    }, 200, 20000);
}