Examples with ZooKeeperClient org.apache.distributedlog.ZooKeeperClient used on opensource projects

Example 1 with ZooKeeperClient

use of org.apache.distributedlog.ZooKeeperClient in project bookkeeper by apache.

the class DLAuditor method calculateLedgerSpaceUsage.

public long calculateLedgerSpaceUsage(URI uri) throws IOException {
    List<URI> uris = Lists.newArrayList(uri);
    String zkServers = validateAndGetZKServers(uris);
    RetryPolicy retryPolicy = new BoundExponentialBackoffRetryPolicy(conf.getZKRetryBackoffStartMillis(), conf.getZKRetryBackoffMaxMillis(), Integer.MAX_VALUE);
    ZooKeeperClient zkc = ZooKeeperClientBuilder.newBuilder().name("DLAuditor-ZK").zkServers(zkServers).sessionTimeoutMs(conf.getZKSessionTimeoutMilliseconds()).retryPolicy(retryPolicy).zkAclId(conf.getZkAclId()).build();
    ExecutorService executorService = Executors.newCachedThreadPool();
    try {
        BKDLConfig bkdlConfig = resolveBKDLConfig(zkc, uris);
        logger.info("Resolved bookkeeper config : {}", bkdlConfig);
        BookKeeperClient bkc = BookKeeperClientBuilder.newBuilder().name("DLAuditor-BK").dlConfig(conf).zkServers(bkdlConfig.getBkZkServersForWriter()).ledgersPath(bkdlConfig.getBkLedgersPath()).build();
        try {
            return calculateLedgerSpaceUsage(bkc, executorService);
        } finally {
            bkc.close();
        }
    } finally {
        zkc.close();
        executorService.shutdown();
    }
}

Example 2 with ZooKeeperClient

use of org.apache.distributedlog.ZooKeeperClient in project bookkeeper by apache.

the class DLAuditor method collectLedgers.

public Pair<Set<Long>, Set<Long>> collectLedgers(List<URI> uris, List<List<String>> allocationPaths) throws IOException {
    checkArgument(uris.size() > 0, "No uri provided to audit");
    String zkServers = validateAndGetZKServers(uris);
    RetryPolicy retryPolicy = new BoundExponentialBackoffRetryPolicy(conf.getZKRetryBackoffStartMillis(), conf.getZKRetryBackoffMaxMillis(), Integer.MAX_VALUE);
    ZooKeeperClient zkc = ZooKeeperClientBuilder.newBuilder().name("DLAuditor-ZK").zkServers(zkServers).sessionTimeoutMs(conf.getZKSessionTimeoutMilliseconds()).retryPolicy(retryPolicy).zkAclId(conf.getZkAclId()).build();
    ExecutorService executorService = Executors.newCachedThreadPool();
    try {
        BKDLConfig bkdlConfig = resolveBKDLConfig(zkc, uris);
        logger.info("Resolved bookkeeper config : {}", bkdlConfig);
        BookKeeperClient bkc = BookKeeperClientBuilder.newBuilder().name("DLAuditor-BK").dlConfig(conf).zkServers(bkdlConfig.getBkZkServersForWriter()).ledgersPath(bkdlConfig.getBkLedgersPath()).build();
        try {
            Set<Long> bkLedgers = collectLedgersFromBK(bkc, executorService);
            Set<Long> dlLedgers = collectLedgersFromDL(uris, allocationPaths);
            return Pair.of(bkLedgers, dlLedgers);
        } finally {
            bkc.close();
        }
    } finally {
        zkc.close();
        executorService.shutdown();
    }
}

Example 3 with ZooKeeperClient

use of org.apache.distributedlog.ZooKeeperClient in project bookkeeper by apache.

the class DLMetadata method create.

public void create(URI uri) throws IOException {
    DistributedLogConfiguration conf = new DistributedLogConfiguration();
    ZooKeeperClient zkc = ZooKeeperClientBuilder.newBuilder().sessionTimeoutMs(conf.getZKSessionTimeoutMilliseconds()).retryThreadCount(conf.getZKClientNumberRetryThreads()).requestRateLimit(conf.getZKRequestRateLimit()).zkAclId(conf.getZkAclId()).uri(uri).build();
    byte[] data = serialize();
    try {
        Utils.zkCreateFullPathOptimistic(zkc, uri.getPath(), data, zkc.getDefaultACL(), CreateMode.PERSISTENT);
    } catch (KeeperException ke) {
        throw new ZKException("Encountered zookeeper exception on creating dl metadata", ke);
    } finally {
        zkc.close();
    }
}

Example 4 with ZooKeeperClient

use of org.apache.distributedlog.ZooKeeperClient in project bookkeeper by apache.

the class DLMetadata method update.

public void update(URI uri) throws IOException {
    DistributedLogConfiguration conf = new DistributedLogConfiguration();
    ZooKeeperClient zkc = ZooKeeperClientBuilder.newBuilder().sessionTimeoutMs(conf.getZKSessionTimeoutMilliseconds()).retryThreadCount(conf.getZKClientNumberRetryThreads()).requestRateLimit(conf.getZKRequestRateLimit()).zkAclId(conf.getZkAclId()).uri(uri).build();
    byte[] data = serialize();
    try {
        zkc.get().setData(uri.getPath(), data, -1);
    } catch (KeeperException e) {
        throw new IOException("Fail to update dl metadata " + new String(data, UTF_8) + " to uri " + uri, e);
    } catch (InterruptedException e) {
        Thread.currentThread().interrupt();
        throw new IOException("Interrupted when updating dl metadata " + new String(data, UTF_8) + " to uri " + uri, e);
    } finally {
        zkc.close();
    }
}

Example 5 with ZooKeeperClient

use of org.apache.distributedlog.ZooKeeperClient in project bookkeeper by apache.

the class DLMetadata method unbind.

public static void unbind(URI uri) throws IOException {
    DistributedLogConfiguration conf = new DistributedLogConfiguration();
    ZooKeeperClient zkc = ZooKeeperClientBuilder.newBuilder().sessionTimeoutMs(conf.getZKSessionTimeoutMilliseconds()).retryThreadCount(conf.getZKClientNumberRetryThreads()).requestRateLimit(conf.getZKRequestRateLimit()).zkAclId(conf.getZkAclId()).uri(uri).build();
    byte[] data = new byte[0];
    try {
        zkc.get().setData(uri.getPath(), data, -1);
    } catch (KeeperException ke) {
        throw new IOException("Fail to unbound dl metadata on uri " + uri, ke);
    } catch (InterruptedException ie) {
        Thread.currentThread().interrupt();
        throw new IOException("Interrupted when unbinding dl metadata on uri " + uri, ie);
    } finally {
        zkc.close();
    }
}