Examples with ServerName org.apache.hadoop.hbase.ServerName used on opensource projects

Example 81 with ServerName

use of org.apache.hadoop.hbase.ServerName in project hbase by apache.

the class ServerManager method sendFavoredNodes.

public void sendFavoredNodes(final ServerName server, Map<HRegionInfo, List<ServerName>> favoredNodes) throws IOException {
    AdminService.BlockingInterface admin = getRsAdmin(server);
    if (admin == null) {
        LOG.warn("Attempting to send favored nodes update rpc to server " + server.toString() + " failed because no RPC connection found to this server");
    } else {
        List<Pair<HRegionInfo, List<ServerName>>> regionUpdateInfos = new ArrayList<>();
        for (Entry<HRegionInfo, List<ServerName>> entry : favoredNodes.entrySet()) {
            regionUpdateInfos.add(new Pair<>(entry.getKey(), entry.getValue()));
        }
        UpdateFavoredNodesRequest request = RequestConverter.buildUpdateFavoredNodesRequest(regionUpdateInfos);
        try {
            admin.updateFavoredNodes(null, request);
        } catch (ServiceException se) {
            throw ProtobufUtil.getRemoteException(se);
        }
    }
}

Example 82 with ServerName

use of org.apache.hadoop.hbase.ServerName in project hbase by apache.

the class ServerManager method findServerWithSameHostnamePortWithLock.

/**
   * Assumes onlineServers is locked.
   * @return ServerName with matching hostname and port.
   */
private ServerName findServerWithSameHostnamePortWithLock(final ServerName serverName) {
    ServerName end = ServerName.valueOf(serverName.getHostname(), serverName.getPort(), Long.MAX_VALUE);
    ServerName r = onlineServers.lowerKey(end);
    if (r != null) {
        if (ServerName.isSameHostnameAndPort(r, serverName)) {
            return r;
        }
    }
    return null;
}

Example 83 with ServerName

use of org.apache.hadoop.hbase.ServerName in project hbase by apache.

the class ServerManager method createDestinationServersList.

/**
   * Creates a list of possible destinations for a region. It contains the online servers, but not
   *  the draining or dying servers.
   *  @param serverToExclude can be null if there is no server to exclude
   */
public List<ServerName> createDestinationServersList(final ServerName serverToExclude) {
    final List<ServerName> destServers = getOnlineServersList();
    if (serverToExclude != null) {
        destServers.remove(serverToExclude);
    }
    // Loop through the draining server list and remove them from the server list
    final List<ServerName> drainingServersCopy = getDrainingServersList();
    if (!drainingServersCopy.isEmpty()) {
        for (final ServerName server : drainingServersCopy) {
            destServers.remove(server);
        }
    }
    // Remove the deadNotExpired servers from the server list.
    removeDeadNotExpiredServers(destServers);
    return destServers;
}

Example 84 with ServerName

use of org.apache.hadoop.hbase.ServerName in project hbase by apache.

the class ServerManager method letRegionServersShutdown.

void letRegionServersShutdown() {
    long previousLogTime = 0;
    ServerName sn = master.getServerName();
    ZooKeeperWatcher zkw = master.getZooKeeper();
    int onlineServersCt;
    while ((onlineServersCt = onlineServers.size()) > 0) {
        if (System.currentTimeMillis() > (previousLogTime + 1000)) {
            Set<ServerName> remainingServers = onlineServers.keySet();
            synchronized (onlineServers) {
                if (remainingServers.size() == 1 && remainingServers.contains(sn)) {
                    // Master will delete itself later.
                    return;
                }
            }
            StringBuilder sb = new StringBuilder();
            // It's ok here to not sync on onlineServers - merely logging
            for (ServerName key : remainingServers) {
                if (sb.length() > 0) {
                    sb.append(", ");
                }
                sb.append(key);
            }
            LOG.info("Waiting on regionserver(s) to go down " + sb.toString());
            previousLogTime = System.currentTimeMillis();
        }
        try {
            List<String> servers = getRegionServersInZK(zkw);
            if (servers == null || servers.isEmpty() || (servers.size() == 1 && servers.contains(sn.toString()))) {
                LOG.info("ZK shows there is only the master self online, exiting now");
                // Master could have lost some ZK events, no need to wait more.
                break;
            }
        } catch (KeeperException ke) {
            LOG.warn("Failed to list regionservers", ke);
            // ZK is malfunctioning, don't hang here
            break;
        }
        synchronized (onlineServers) {
            try {
                if (onlineServersCt == onlineServers.size())
                    onlineServers.wait(100);
            } catch (InterruptedException ignored) {
            // continue
            }
        }
    }
}

Example 85 with ServerName

use of org.apache.hadoop.hbase.ServerName in project hbase by apache.

the class SplitLogManager method removeStaleRecoveringRegions.

/**
   * It removes stale recovering regions under /hbase/recovering-regions/[encoded region name]
   * during master initialization phase.
   * @param failedServers A set of known failed servers
   * @throws IOException
   */
void removeStaleRecoveringRegions(final Set<ServerName> failedServers) throws IOException, InterruptedIOException {
    Set<String> knownFailedServers = new HashSet<>();
    if (failedServers != null) {
        for (ServerName tmpServerName : failedServers) {
            knownFailedServers.add(tmpServerName.getServerName());
        }
    }
    this.recoveringRegionLock.lock();
    try {
        getSplitLogManagerCoordination().removeStaleRecoveringRegions(knownFailedServers);
    } finally {
        this.recoveringRegionLock.unlock();
    }
}