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

Example 66 with ZkStateReader

use of org.apache.solr.common.cloud.ZkStateReader in project incubator-atlas by apache.

the class Solr5Index method clearStorage.

@Override
public void clearStorage() throws BackendException {
    try {
        if (mode != Mode.CLOUD)
            throw new UnsupportedOperationException("Operation only supported for SolrCloud");
        logger.debug("Clearing storage from Solr: {}", solrClient);
        ZkStateReader zkStateReader = ((CloudSolrClient) solrClient).getZkStateReader();
        zkStateReader.updateClusterState();
        ClusterState clusterState = zkStateReader.getClusterState();
        for (String collection : clusterState.getCollections()) {
            logger.debug("Clearing collection [{}] in Solr", collection);
            UpdateRequest deleteAll = newUpdateRequest();
            deleteAll.deleteByQuery("*:*");
            solrClient.request(deleteAll, collection);
        }
    } catch (SolrServerException e) {
        logger.error("Unable to clear storage from index due to server error on Solr.", e);
        throw new PermanentBackendException(e);
    } catch (IOException e) {
        logger.error("Unable to clear storage from index due to low-level I/O error.", e);
        throw new PermanentBackendException(e);
    } catch (Exception e) {
        logger.error("Unable to clear storage from index due to general error.", e);
        throw new PermanentBackendException(e);
    }
}

Example 67 with ZkStateReader

use of org.apache.solr.common.cloud.ZkStateReader in project incubator-atlas by apache.

the class Solr5Index method checkIfCollectionExists.

/**
     * Checks if the collection has already been created in Solr.
     */
private static boolean checkIfCollectionExists(CloudSolrClient server, String collection) throws KeeperException, InterruptedException {
    ZkStateReader zkStateReader = server.getZkStateReader();
    zkStateReader.updateClusterState();
    ClusterState clusterState = zkStateReader.getClusterState();
    return clusterState.getCollectionOrNull(collection) != null;
}

Example 68 with ZkStateReader

use of org.apache.solr.common.cloud.ZkStateReader in project incubator-atlas by apache.

the class Solr5Index method waitForRecoveriesToFinish.

/**
     * Wait for all the collection shards to be ready.
     */
private static void waitForRecoveriesToFinish(CloudSolrClient server, String collection) throws KeeperException, InterruptedException {
    ZkStateReader zkStateReader = server.getZkStateReader();
    try {
        boolean cont = true;
        while (cont) {
            boolean sawLiveRecovering = false;
            zkStateReader.updateClusterState();
            ClusterState clusterState = zkStateReader.getClusterState();
            Map<String, Slice> slices = clusterState.getSlicesMap(collection);
            Preconditions.checkNotNull("Could not find collection:" + collection, slices);
            for (Map.Entry<String, Slice> entry : slices.entrySet()) {
                Map<String, Replica> shards = entry.getValue().getReplicasMap();
                for (Map.Entry<String, Replica> shard : shards.entrySet()) {
                    String state = shard.getValue().getStr(ZkStateReader.STATE_PROP);
                    if ((state.equals(Replica.State.RECOVERING.toString()) || state.equals(Replica.State.DOWN.toString())) && clusterState.liveNodesContain(shard.getValue().getStr(ZkStateReader.NODE_NAME_PROP))) {
                        sawLiveRecovering = true;
                    }
                }
            }
            if (!sawLiveRecovering) {
                cont = false;
            } else {
                Thread.sleep(1000);
            }
        }
    } finally {
        logger.info("Exiting solr wait");
    }
}

Example 69 with ZkStateReader

use of org.apache.solr.common.cloud.ZkStateReader in project janusgraph by JanusGraph.

the class SolrIndex method checkIfCollectionExists.

/**
 * Checks if the collection has already been created in Solr.
 */
private static boolean checkIfCollectionExists(CloudSolrClient server, String collection) throws KeeperException, InterruptedException {
    final ZkStateReader zkStateReader = server.getZkStateReader();
    zkStateReader.forceUpdateCollection(collection);
    final ClusterState clusterState = zkStateReader.getClusterState();
    return clusterState.getCollectionOrNull(collection) != null;
}

Example 70 with ZkStateReader

use of org.apache.solr.common.cloud.ZkStateReader in project janusgraph by JanusGraph.

the class SolrIndex method waitForRecoveriesToFinish.

/**
 * Wait for all the collection shards to be ready.
 */
private static void waitForRecoveriesToFinish(CloudSolrClient server, String collection) throws KeeperException, InterruptedException {
    final ZkStateReader zkStateReader = server.getZkStateReader();
    try {
        boolean cont = true;
        while (cont) {
            boolean sawLiveRecovering = false;
            zkStateReader.forceUpdateCollection(collection);
            final ClusterState clusterState = zkStateReader.getClusterState();
            final Map<String, Slice> slices = clusterState.getCollection(collection).getSlicesMap();
            Preconditions.checkNotNull(slices, "Could not find collection:" + collection);
            // remove SYNC state per: http://tinyurl.com/pag6rwt
            for (final Map.Entry<String, Slice> entry : slices.entrySet()) {
                final Map<String, Replica> shards = entry.getValue().getReplicasMap();
                for (final Map.Entry<String, Replica> shard : shards.entrySet()) {
                    final String state = shard.getValue().getStr(ZkStateReader.STATE_PROP).toUpperCase();
                    if ((Replica.State.RECOVERING.name().equals(state) || Replica.State.DOWN.name().equals(state)) && clusterState.liveNodesContain(shard.getValue().getStr(ZkStateReader.NODE_NAME_PROP))) {
                        sawLiveRecovering = true;
                    }
                }
            }
            if (!sawLiveRecovering) {
                cont = false;
            } else {
                Thread.sleep(1000);
            }
        }
    } finally {
        logger.info("Exiting solr wait");
    }
}