Examples with Replica org.apache.solr.common.cloud.Replica used on opensource projects

Example 6 with Replica

use of org.apache.solr.common.cloud.Replica in project lucene-solr by apache.

the class DeleteInactiveReplicaTest method deleteInactiveReplicaTest.

@Test
public void deleteInactiveReplicaTest() throws Exception {
    String collectionName = "delDeadColl";
    int replicationFactor = 2;
    int numShards = 2;
    int maxShardsPerNode = ((((numShards + 1) * replicationFactor) / cluster.getJettySolrRunners().size())) + 1;
    CollectionAdminRequest.createCollection(collectionName, "conf", numShards, replicationFactor).setMaxShardsPerNode(maxShardsPerNode).process(cluster.getSolrClient());
    waitForState("Expected a cluster of 2 shards and 2 replicas", collectionName, (n, c) -> {
        return DocCollection.isFullyActive(n, c, numShards, replicationFactor);
    });
    DocCollection collectionState = getCollectionState(collectionName);
    Slice shard = getRandomShard(collectionState);
    Replica replica = getRandomReplica(shard);
    JettySolrRunner jetty = cluster.getReplicaJetty(replica);
    cluster.stopJettySolrRunner(jetty);
    waitForState("Expected replica " + replica.getName() + " on down node to be removed from cluster state", collectionName, (n, c) -> {
        Replica r = c.getReplica(replica.getCoreName());
        return r == null || r.getState() != Replica.State.ACTIVE;
    });
    log.info("Removing replica {}/{} ", shard.getName(), replica.getName());
    CollectionAdminRequest.deleteReplica(collectionName, shard.getName(), replica.getName()).process(cluster.getSolrClient());
    waitForState("Expected deleted replica " + replica.getName() + " to be removed from cluster state", collectionName, (n, c) -> {
        return c.getReplica(replica.getCoreName()) == null;
    });
    cluster.startJettySolrRunner(jetty);
    log.info("restarted jetty");
    CoreContainer cc = jetty.getCoreContainer();
    CoreContainer.CoreLoadFailure loadFailure = cc.getCoreInitFailures().get(replica.getCoreName());
    assertNotNull("Deleted core was still loaded!", loadFailure);
    assertTrue("Unexpected load failure message: " + loadFailure.exception.getMessage(), loadFailure.exception.getMessage().contains("does not exist in shard"));
    // Check that we can't create a core with no coreNodeName
    try (SolrClient queryClient = getHttpSolrClient(jetty.getBaseUrl().toString())) {
        Exception e = expectThrows(Exception.class, () -> {
            CoreAdminRequest.Create createRequest = new CoreAdminRequest.Create();
            createRequest.setCoreName("testcore");
            createRequest.setCollection(collectionName);
            createRequest.setShardId("shard2");
            queryClient.request(createRequest);
        });
        assertTrue("Unexpected error message: " + e.getMessage(), e.getMessage().contains("coreNodeName missing"));
    }
}

Example 7 with Replica

use of org.apache.solr.common.cloud.Replica in project lucene-solr by apache.

the class ForceLeaderTest method unsetLeader.

protected void unsetLeader(String collection, String slice) throws Exception {
    DistributedQueue inQueue = Overseer.getStateUpdateQueue(cloudClient.getZkStateReader().getZkClient());
    ZkStateReader zkStateReader = cloudClient.getZkStateReader();
    ZkNodeProps m = new ZkNodeProps(Overseer.QUEUE_OPERATION, OverseerAction.LEADER.toLower(), ZkStateReader.SHARD_ID_PROP, slice, ZkStateReader.COLLECTION_PROP, collection);
    inQueue.offer(Utils.toJSON(m));
    ClusterState clusterState = null;
    boolean transition = false;
    for (int counter = 10; counter > 0; counter--) {
        clusterState = zkStateReader.getClusterState();
        Replica newLeader = clusterState.getSlice(collection, slice).getLeader();
        if (newLeader == null) {
            transition = true;
            break;
        }
        Thread.sleep(1000);
    }
    if (!transition) {
        throw new SolrException(SolrException.ErrorCode.SERVER_ERROR, "Could not unset replica leader" + ". Cluster state: " + printClusterStateInfo(collection));
    }
}

Example 8 with Replica

use of org.apache.solr.common.cloud.Replica in project lucene-solr by apache.

the class DeleteReplicaTest method deleteReplicaAndVerifyDirectoryCleanup.

@Test
public void deleteReplicaAndVerifyDirectoryCleanup() throws Exception {
    final String collectionName = "deletereplica_test";
    CollectionAdminRequest.createCollection(collectionName, "conf", 1, 2).process(cluster.getSolrClient());
    Replica leader = cluster.getSolrClient().getZkStateReader().getLeaderRetry(collectionName, "shard1");
    //Confirm that the instance and data directory exist
    CoreStatus coreStatus = getCoreStatus(leader);
    assertTrue("Instance directory doesn't exist", Files.exists(Paths.get(coreStatus.getInstanceDirectory())));
    assertTrue("DataDirectory doesn't exist", Files.exists(Paths.get(coreStatus.getDataDirectory())));
    CollectionAdminRequest.deleteReplica(collectionName, "shard1", leader.getName()).process(cluster.getSolrClient());
    Replica newLeader = cluster.getSolrClient().getZkStateReader().getLeaderRetry(collectionName, "shard1");
    assertFalse(leader.equals(newLeader));
    //Confirm that the instance and data directory were deleted by default
    assertFalse("Instance directory still exists", Files.exists(Paths.get(coreStatus.getInstanceDirectory())));
    assertFalse("DataDirectory still exists", Files.exists(Paths.get(coreStatus.getDataDirectory())));
}

Example 9 with Replica

use of org.apache.solr.common.cloud.Replica in project lucene-solr by apache.

the class DeleteReplicaTest method deleteLiveReplicaTest.

@Test
public void deleteLiveReplicaTest() throws Exception {
    final String collectionName = "delLiveColl";
    CollectionAdminRequest.createCollection(collectionName, "conf", 2, 2).process(cluster.getSolrClient());
    DocCollection state = getCollectionState(collectionName);
    Slice shard = getRandomShard(state);
    Replica replica = getRandomReplica(shard, (r) -> r.getState() == Replica.State.ACTIVE);
    CoreStatus coreStatus = getCoreStatus(replica);
    Path dataDir = Paths.get(coreStatus.getDataDirectory());
    Exception e = expectThrows(Exception.class, () -> {
        CollectionAdminRequest.deleteReplica(collectionName, shard.getName(), replica.getName()).setOnlyIfDown(true).process(cluster.getSolrClient());
    });
    assertTrue("Unexpected error message: " + e.getMessage(), e.getMessage().contains("state is 'active'"));
    assertTrue("Data directory for " + replica.getName() + " should not have been deleted", Files.exists(dataDir));
    CollectionAdminRequest.deleteReplica(collectionName, shard.getName(), replica.getName()).process(cluster.getSolrClient());
    waitForState("Expected replica " + replica.getName() + " to have been removed", collectionName, (n, c) -> {
        Slice testShard = c.getSlice(shard.getName());
        return testShard.getReplica(replica.getName()) == null;
    });
    assertFalse("Data directory for " + replica.getName() + " should have been removed", Files.exists(dataDir));
}

Example 10 with Replica

use of org.apache.solr.common.cloud.Replica in project lucene-solr by apache.

the class CollectionsAPISolrJTest method testBalanceShardUnique.

@Test
public void testBalanceShardUnique() throws IOException, SolrServerException, KeeperException, InterruptedException {
    final String collection = "balancedProperties";
    CollectionAdminRequest.createCollection(collection, "conf", 2, 2).process(cluster.getSolrClient());
    CollectionAdminResponse response = CollectionAdminRequest.balanceReplicaProperty(collection, "preferredLeader").process(cluster.getSolrClient());
    assertEquals(0, response.getStatus());
    waitForState("Expecting 'preferredleader' property to be balanced across all shards", collection, (n, c) -> {
        for (Slice slice : c) {
            int count = 0;
            for (Replica replica : slice) {
                if ("true".equals(replica.getStr("property.preferredleader")))
                    count += 1;
            }
            if (count != 1)
                return false;
        }
        return true;
    });
}