HDFS-16599. Fix typo in hadoop-hdfs-rbf module (#4368). Contributed by fanshilun.
Signed-off-by: Ayush Saxena <ayushsaxena@apache.org>
This commit is contained in:
slfan1989
GitHub
parent
21fa693d38
commit
5952934ad5
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@ -63,7 +63,7 @@ import static org.apache.hadoop.tools.fedbalance.FedBalanceOptions.TRASH;
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* dst sub-namespace with distcp.
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*
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* 1. Move data from the source path to the destination path with distcp.
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* 2. Update the the mount entry.
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* 2. Update the mount entry.
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* 3. Delete the source path to trash.
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*/
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public class RouterFedBalance extends Configured implements Tool {
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@ -77,7 +77,7 @@ public class RouterFedBalance extends Configured implements Tool {
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private static final String TRASH_PROCEDURE = "trash-procedure";
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/**
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* This class helps building the balance job.
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* This class helps to build the balance job.
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*/
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private class Builder {
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/* Force close all open files while there is no diff. */
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@ -50,7 +50,7 @@ public interface FederationMBean {
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/**
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* Get the latest state of all routers.
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* @return JSON with all of the known routers or null if failure.
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* @return JSON with all the known routers or null if failure.
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*/
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String getRouters();
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@ -52,7 +52,7 @@ public class FederationRPCPerformanceMonitor implements RouterRpcMonitor {
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/** Time for an operation to be received in the Router. */
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private static final ThreadLocal<Long> START_TIME = new ThreadLocal<>();
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/** Time for an operation to be send to the Namenode. */
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/** Time for an operation to be sent to the Namenode. */
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private static final ThreadLocal<Long> PROXY_TIME = new ThreadLocal<>();
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/** Configuration for the performance monitor. */
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@ -290,7 +290,7 @@ public class RBFMetrics implements RouterMBean, FederationMBean {
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// Dump mount table entries information into JSON
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for (MountTable entry : orderedMounts) {
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// Sumarize destinations
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// Summarize destinations
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Set<String> nameservices = new LinkedHashSet<>();
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Set<String> paths = new LinkedHashSet<>();
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for (RemoteLocation location : entry.getDestinations()) {
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@ -124,7 +124,7 @@ public class ConnectionContext {
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*/
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public synchronized void close(boolean force) {
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if (!force && this.numThreads > 0) {
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// this is an erroneous case but we have to close the connection
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// this is an erroneous case, but we have to close the connection
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// anyway since there will be connection leak if we don't do so
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// the connection has been moved out of the pool
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LOG.error("Active connection with {} handlers will be closed",
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@ -132,7 +132,7 @@ public class ConnectionContext {
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}
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this.closed = true;
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Object proxy = this.client.getProxy();
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// Nobody should be using this anymore so it should close right away
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// Nobody should be using this anymore, so it should close right away
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RPC.stopProxy(proxy);
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}
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@ -135,12 +135,12 @@ public class ConnectionManager {
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this.creator.start();
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// Schedule a task to remove stale connection pools and sockets
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long recyleTimeMs = Math.min(
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long recycleTimeMs = Math.min(
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poolCleanupPeriodMs, connectionCleanupPeriodMs);
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LOG.info("Cleaning every {} seconds",
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TimeUnit.MILLISECONDS.toSeconds(recyleTimeMs));
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TimeUnit.MILLISECONDS.toSeconds(recycleTimeMs));
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this.cleaner.scheduleAtFixedRate(
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new CleanupTask(), 0, recyleTimeMs, TimeUnit.MILLISECONDS);
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new CleanupTask(), 0, recycleTimeMs, TimeUnit.MILLISECONDS);
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// Mark the manager as running
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this.running = true;
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@ -364,9 +364,9 @@ public class ConnectionManager {
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long timeSinceLastActive = Time.now() - pool.getLastActiveTime();
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int total = pool.getNumConnections();
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// Active is a transient status in many cases for a connection since
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// the handler thread uses the connection very quickly. Thus the number
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// the handler thread uses the connection very quickly. Thus, the number
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// of connections with handlers using at the call time is constantly low.
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// Recently active is more lasting status and it shows how many
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// Recently active is more lasting status, and it shows how many
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// connections have been used with a recent time period. (i.e. 30 seconds)
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int active = pool.getNumActiveConnectionsRecently();
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float poolMinActiveRatio = pool.getMinActiveRatio();
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@ -376,9 +376,9 @@ public class ConnectionManager {
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// The number should at least be 1
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int targetConnectionsCount = Math.max(1,
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(int)(poolMinActiveRatio * total) - active);
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List<ConnectionContext> conns =
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List<ConnectionContext> connections =
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pool.removeConnections(targetConnectionsCount);
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for (ConnectionContext conn : conns) {
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for (ConnectionContext conn : connections) {
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conn.close();
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}
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LOG.debug("Removed connection {} used {} seconds ago. " +
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@ -231,7 +231,7 @@ public final class FederationUtil {
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}
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/**
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* Add the the number of children for an existing HdfsFileStatus object.
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* Add the number of children for an existing HdfsFileStatus object.
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* @param dirStatus HdfsfileStatus object.
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* @param children number of children to be added.
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* @return HdfsFileStatus with the number of children specified.
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@ -50,14 +50,14 @@ public class MountTableRefresherThread extends Thread {
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/**
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* Refresh mount table cache of local and remote routers. Local and remote
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* routers will be refreshed differently. Lets understand what are the
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* routers will be refreshed differently. Let's understand what are the
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* local and remote routers and refresh will be done differently on these
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* routers. Suppose there are three routers R1, R2 and R3. User want to add
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* new mount table entry. He will connect to only one router, not all the
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* routers. Suppose He connects to R1 and calls add mount table entry through
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* API or CLI. Now in this context R1 is local router, R2 and R3 are remote
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* routers. Because add mount table entry is invoked on R1, R1 will update the
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* cache locally it need not to make RPC call. But R1 will make RPC calls to
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* cache locally it need not make RPC call. But R1 will make RPC calls to
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* update cache on R2 and R3.
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*/
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@Override
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@ -255,7 +255,7 @@ public class RBFConfigKeys extends CommonConfigurationKeysPublic {
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TimeUnit.MINUTES.toMillis(1);
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/**
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* Remote router mount table cache is updated through RouterClient(RPC call).
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* To improve performance, RouterClient connections are cached but it should
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* To improve performance, RouterClient connections are cached, but it should
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* not be kept in cache forever. This property defines the max time a
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* connection can be cached.
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*/
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@ -36,7 +36,7 @@ public class RemoteMethod {
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private static final Logger LOG = LoggerFactory.getLogger(RemoteMethod.class);
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/** List of parameters: static and dynamic values, matchings types. */
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/** List of parameters: static and dynamic values, matching types. */
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private final Object[] params;
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/** List of method parameters types, matches parameters. */
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private final Class<?>[] types;
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@ -104,7 +104,7 @@ import org.apache.hadoop.classification.VisibleForTesting;
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import org.apache.hadoop.thirdparty.protobuf.BlockingService;
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/**
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* This class is responsible for handling all of the Admin calls to the HDFS
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* This class is responsible for handling all the Admin calls to the HDFS
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* router. It is created, started, and stopped by {@link Router}.
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*/
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public class RouterAdminServer extends AbstractService
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@ -305,7 +305,7 @@ public class RouterClientProtocol implements ClientProtocol {
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* Check if an exception is caused by an unavailable subcluster or not. It
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* also checks the causes.
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* @param ioe IOException to check.
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* @return If caused by an unavailable subcluster. False if the should not be
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* @return If caused by an unavailable subcluster. False if they should not be
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* retried (e.g., NSQuotaExceededException).
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*/
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protected static boolean isUnavailableSubclusterException(
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@ -200,7 +200,7 @@ public class RouterQuotaUpdateService extends PeriodicService {
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* During this time, the quota usage cache will also be updated by
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* quota manager:
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* 1. Stale paths (entries) will be removed.
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* 2. Existing entries will be override and updated.
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* 2. Existing entries will be overridden and updated.
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* @return List of mount tables which quota was set.
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* @throws IOException
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*/
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@ -139,7 +139,7 @@ public class RouterRpcClient {
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/**
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* Create a router RPC client to manage remote procedure calls to NNs.
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*
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* @param conf Hdfs Configuation.
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* @param conf Hdfs Configuration.
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* @param router A router using this RPC client.
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* @param resolver A NN resolver to determine the currently active NN in HA.
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* @param monitor Optional performance monitor.
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@ -444,7 +444,7 @@ public class RouterRpcClient {
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* @param ugi User group information.
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* @param namenodes A prioritized list of namenodes within the same
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* nameservice.
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* @param method Remote ClientProtcol method to invoke.
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* @param method Remote ClientProtocol method to invoke.
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* @param params Variable list of parameters matching the method.
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* @return The result of invoking the method.
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* @throws ConnectException If it cannot connect to any Namenode.
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@ -1027,7 +1027,7 @@ public class RouterRpcClient {
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} catch (Exception e) {
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// Unusual error, ClientProtocol calls always use IOException (or
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// RemoteException). Re-wrap in IOException for compatibility with
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// ClientProtcol.
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// ClientProtocol.
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LOG.error("Unexpected exception {} proxying {} to {}",
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e.getClass(), m.getName(), ns, e);
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IOException ioe = new IOException(
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@ -1449,7 +1449,7 @@ public class RouterRpcClient {
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results.add(new RemoteResult<>(location, ioe));
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} catch (ExecutionException ex) {
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Throwable cause = ex.getCause();
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LOG.debug("Canot execute {} in {}: {}",
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LOG.debug("Cannot execute {} in {}: {}",
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m.getName(), location, cause.getMessage());
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// Convert into IOException if needed
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@ -54,7 +54,7 @@ public interface RouterRpcMonitor {
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/**
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* Start proxying an operation to the Namenode.
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* @return Id of the thread doing the proxying.
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* @return id of the thread doing the proxying.
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*/
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long proxyOp();
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@ -410,7 +410,7 @@ public class RouterWebHdfsMethods extends NamenodeWebHdfsMethods {
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* @param path Path to check.
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* @param op Operation to perform.
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* @param openOffset Offset for opening a file.
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* @param excludeDatanodes Blocks to excluded.
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* @param excludeDatanodes Blocks to exclude.
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* @param parameters Other parameters.
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* @return Redirection URI.
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* @throws URISyntaxException If it cannot parse the URI.
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@ -85,7 +85,7 @@ public abstract class CachedRecordStore<R extends BaseRecord>
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*
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* @param clazz Class of the record to store.
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* @param driver State Store driver.
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* @param over If the entries should be override if they expire
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* @param over If the entries should be overridden if they expire
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*/
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protected CachedRecordStore(
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Class<R> clazz, StateStoreDriver driver, boolean over) {
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@ -153,7 +153,7 @@ public abstract class CachedRecordStore<R extends BaseRecord>
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}
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/**
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* Check if it's time to update the cache. Update it it was never updated.
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* Check if it's time to update the cache. Update it was never updated.
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*
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* @return If it's time to update this cache.
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*/
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@ -206,7 +206,7 @@ public abstract class CachedRecordStore<R extends BaseRecord>
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* Updates the state store with any record overrides we detected, such as an
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* expired state.
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*
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* @param record Record record to be updated.
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* @param record record to be updated.
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* @throws IOException If the values cannot be updated.
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*/
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public void overrideExpiredRecord(R record) throws IOException {
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@ -331,7 +331,7 @@ public class StateStoreService extends CompositeService {
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}
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/**
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* Fetch a unique identifier for this state store instance. Typically it is
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* Fetch a unique identifier for this state store instance. Typically, it is
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* the address of the router.
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*
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* @return Unique identifier for this store.
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@ -97,7 +97,7 @@ public abstract class StateStoreDriver implements StateStoreRecordOperations {
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}
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/**
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* Gets a unique identifier for the running task/process. Typically the
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* Gets a unique identifier for the running task/process. Typically, the
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* router address.
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*
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* @return Unique identifier for the running task.
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@ -22,7 +22,7 @@ import java.io.IOException;
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import org.apache.hadoop.hdfs.server.federation.store.driver.StateStoreSerializer;
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/**
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* API request for retrieving a all non-expired router registrations present in
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* API request for retrieving an all non-expired router registrations present in
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* the state store.
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*/
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public abstract class GetRouterRegistrationsRequest {
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@ -92,7 +92,7 @@ public class FederationProtocolPBTranslator<P extends GeneratedMessageV3,
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/**
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* Get the serialized proto object. If the translator was created from a byte
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* stream, returns the intitial byte stream. Otherwise creates a new byte
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* stream, returns the initial byte stream. Otherwise, creates a new byte
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* stream from the cached builder.
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*
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* @return Protobuf message object
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@ -193,7 +193,7 @@ public class RouterAdmin extends Configured implements Tool {
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/**
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* Usage: validates the maximum number of arguments for a command.
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* @param arg List of of command line parameters.
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* @param arg List of command line parameters.
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*/
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private void validateMax(String[] arg) {
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if (arg[0].equals("-ls")) {
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@ -407,7 +407,7 @@ public class RouterAdmin extends Configured implements Tool {
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System.err.println(cmd.substring(1) + ": " + arge.getLocalizedMessage());
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printUsage(cmd);
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} catch (RemoteException e) {
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// This is a error returned by the server.
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// This is an error returned by the server.
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// Print out the first line of the error message, ignore the stack trace.
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exitCode = -1;
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debugException = e;
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@ -807,7 +807,7 @@ public class RouterAdmin extends Configured implements Tool {
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} else if (argv[i].equals("-d")) { // Check if -d parameter is specified.
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detail = true;
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if (argv.length == 2) {
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path = "/"; // If no path is provide with -ls -d.
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path = "/"; // If no path is provided with -ls -d.
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} else {
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path = argv[++i];
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}
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@ -789,7 +789,7 @@ public class MiniRouterDFSCluster {
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Configuration nnConf = generateNamenodeConfiguration(ns0);
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if (overrideConf != null) {
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nnConf.addResource(overrideConf);
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// Router also uses this configurations as initial values.
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// Router also uses these configurations as initial values.
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routerConf = new Configuration(overrideConf);
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}
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@ -137,7 +137,7 @@ public class MockResolver
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break;
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}
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}
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// This operation modifies the list so we need to be careful
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// This operation modifies the list, so we need to be careful
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synchronized(namenodes) {
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Collections.sort(namenodes, new NamenodePriorityComparator());
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}
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@ -297,7 +297,7 @@ public class TestNamenodeResolver {
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String rpcAddr = namenode.getRpcAddress();
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InetSocketAddress inetAddr = getInetSocketAddress(rpcAddr);
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// If the namenode state changes and it serves request,
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// If the namenode state changes, and it serves request,
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// RouterRpcClient calls updateActiveNamenode to update the state to active,
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// Check whether correct updated state is returned post update.
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namenodeResolver.updateActiveNamenode(NAMESERVICES[0], inetAddr);
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@ -45,7 +45,7 @@ import org.junit.BeforeClass;
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import org.junit.Test;
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/**
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* The the safe mode for the {@link Router} controlled by
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* The safe mode for the {@link Router} controlled by
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* {@link SafeModeTimer}.
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*/
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public class TestRouter {
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@ -742,7 +742,7 @@ public class TestRouterAdminCLI {
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* @param mount
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* target mount table
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* @param canRead
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* whether can list mount tables under specified mount
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* whether you can list mount tables under specified mount
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* @param addCommandCode
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* expected return code of add command executed for specified mount
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* @param rmCommandCode
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@ -1467,7 +1467,7 @@ public class TestRouterAdminCLI {
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err.toString().contains("update: /noMount doesn't exist."));
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err.reset();
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// Check update if non true/false value is passed for readonly.
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// Check update if no true/false value is passed for readonly.
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argv = new String[] {"-update", src, "-readonly", "check"};
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assertEquals(-1, ToolRunner.run(admin, argv));
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assertTrue(err.toString(), err.toString().contains("update: "
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@ -582,7 +582,7 @@ public class TestRouterFaultTolerant {
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}
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/**
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* Asserts that the results are the expected amount and it has both success
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* Asserts that the results are the expected amount, and it has both success
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* and failure.
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* @param msg Message to show when the assertion fails.
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* @param expected Expected number of results.
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@ -308,9 +308,9 @@ public class TestRouterMountTableCacheRefresh {
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TimeUnit.SECONDS);
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mountTableRefresherService.init(config);
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// One router is not responding for 1 minute, still refresh should
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// finished in 5 second as cache update timeout is set 5 second.
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// finish in 5 second as cache update timeout is set 5 second.
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mountTableRefresherService.refresh();
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// Test case timeout is assert for this test case.
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// Test case timeout is asserted for this test case.
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}
|
||||
|
||||
/**
|
||||
|
|
@ -349,7 +349,7 @@ public class TestRouterMountTableCacheRefresh {
|
|||
mountTableRefresherService.refresh();
|
||||
assertNotEquals("No RouterClient is created.", 0, createCounter.get());
|
||||
/*
|
||||
* Wait for clients to expire. Lets wait triple the cache eviction period.
|
||||
* Wait for clients to expire. Let's wait triple the cache eviction period.
|
||||
* After cache eviction period all created client must be removed and
|
||||
* closed.
|
||||
*/
|
||||
|
|
|
|||
|
|
@ -75,11 +75,11 @@ public class TestRouterQuotaManager {
|
|||
public void testGetQuotaUsage() {
|
||||
RouterQuotaUsage quotaGet;
|
||||
|
||||
// test case1: get quota with an non-exist path
|
||||
// test case1: get quota with a non-exist path
|
||||
quotaGet = manager.getQuotaUsage("/non-exist-path");
|
||||
assertNull(quotaGet);
|
||||
|
||||
// test case2: get quota from an no-quota set path
|
||||
// test case2: get quota from a no-quota set path
|
||||
RouterQuotaUsage.Builder quota = new RouterQuotaUsage.Builder()
|
||||
.quota(HdfsConstants.QUOTA_RESET)
|
||||
.spaceQuota(HdfsConstants.QUOTA_RESET);
|
||||
|
|
@ -88,7 +88,7 @@ public class TestRouterQuotaManager {
|
|||
// it should return null
|
||||
assertNull(quotaGet);
|
||||
|
||||
// test case3: get quota from an quota-set path
|
||||
// test case3: get quota from a quota-set path
|
||||
quota.quota(1);
|
||||
quota.spaceQuota(HdfsConstants.QUOTA_RESET);
|
||||
manager.put("/hasQuotaSet", quota.build());
|
||||
|
|
@ -96,24 +96,24 @@ public class TestRouterQuotaManager {
|
|||
assertEquals(1, quotaGet.getQuota());
|
||||
assertEquals(HdfsConstants.QUOTA_RESET, quotaGet.getSpaceQuota());
|
||||
|
||||
// test case4: get quota with an non-exist child path
|
||||
// test case4: get quota with a non-exist child path
|
||||
quotaGet = manager.getQuotaUsage("/hasQuotaSet/file");
|
||||
// it will return the nearest ancestor which quota was set
|
||||
assertEquals(1, quotaGet.getQuota());
|
||||
assertEquals(HdfsConstants.QUOTA_RESET, quotaGet.getSpaceQuota());
|
||||
|
||||
// test case5: get quota with an child path which its parent
|
||||
// test case5: get quota with a child path which its parent
|
||||
// wasn't quota set
|
||||
quota.quota(HdfsConstants.QUOTA_RESET);
|
||||
quota.spaceQuota(HdfsConstants.QUOTA_RESET);
|
||||
manager.put("/hasQuotaSet/noQuotaSet", quota.build());
|
||||
// here should returns the quota of path /hasQuotaSet
|
||||
// here should return the quota of path /hasQuotaSet
|
||||
// (the nearest ancestor which quota was set)
|
||||
quotaGet = manager.getQuotaUsage("/hasQuotaSet/noQuotaSet/file");
|
||||
assertEquals(1, quotaGet.getQuota());
|
||||
assertEquals(HdfsConstants.QUOTA_RESET, quotaGet.getSpaceQuota());
|
||||
|
||||
// test case6: get quota with an child path which its parent was quota set
|
||||
// test case6: get quota with a child path which its parent was quota set
|
||||
quota.quota(2);
|
||||
quota.spaceQuota(HdfsConstants.QUOTA_RESET);
|
||||
manager.put("/hasQuotaSet/hasQuotaSet", quota.build());
|
||||
|
|
|
|||
|
|
@ -511,7 +511,7 @@ public class TestRouterRPCMultipleDestinationMountTableResolver {
|
|||
*/
|
||||
@Test
|
||||
public void testSnapshotPathResolution() throws Exception {
|
||||
// Create a mount entry with non isPathAll order, so as to call
|
||||
// Create a mount entry with non isPathAll order, to call
|
||||
// invokeSequential.
|
||||
Map<String, String> destMap = new HashMap<>();
|
||||
destMap.put("ns0", "/tmp_ns0");
|
||||
|
|
|
|||
|
|
@ -75,7 +75,7 @@ import org.apache.hadoop.test.GenericTestUtils;
|
|||
import org.junit.Test;
|
||||
|
||||
/**
|
||||
* The the RPC interface of the {@link getRouter()} implemented by
|
||||
* The RPC interface of the {@link getRouter()} implemented by
|
||||
* {@link RouterRpcServer}.
|
||||
*/
|
||||
public class TestRouterRpcMultiDestination extends TestRouterRpc {
|
||||
|
|
|
|||
|
|
@ -110,7 +110,7 @@ public class TestZKDelegationTokenSecretManagerImpl
|
|||
conf.setBoolean(ZK_DTSM_TOKEN_WATCHER_ENABLED, false);
|
||||
// make sync quick
|
||||
conf.setInt(ZK_DTSM_ROUTER_TOKEN_SYNC_INTERVAL, 3);
|
||||
// set the renew window and removal interval to be a
|
||||
// set the renewal window and removal interval to be a
|
||||
// short time to trigger the background cleanup
|
||||
conf.setInt(RENEW_INTERVAL, 10);
|
||||
conf.setInt(REMOVAL_SCAN_INTERVAL, 10);
|
||||
|
|
@ -170,7 +170,7 @@ public class TestZKDelegationTokenSecretManagerImpl
|
|||
conf.setBoolean(ZK_DTSM_TOKEN_WATCHER_ENABLED, false);
|
||||
// make sync quick
|
||||
conf.setInt(ZK_DTSM_ROUTER_TOKEN_SYNC_INTERVAL, 20);
|
||||
// set the renew window and removal interval to be a
|
||||
// set the renewal window and removal interval to be a
|
||||
// short time to trigger the background cleanup
|
||||
conf.setInt(RENEW_INTERVAL, 10);
|
||||
conf.setInt(REMOVAL_SCAN_INTERVAL, 10);
|
||||
|
|
|
|||
|
|
@ -186,7 +186,7 @@ public class TestStateStoreMembershipState extends TestStateStoreBase {
|
|||
// 1) ns0:nn0 - Standby (newest)
|
||||
// 2) ns0:nn0 - Active (oldest)
|
||||
// 3) ns0:nn0 - Active (2nd oldest)
|
||||
// 4) ns0:nn0 - Active (3nd oldest element, newest active element)
|
||||
// 4) ns0:nn0 - Active (3rd oldest element, newest active element)
|
||||
// Verify the selected entry is the newest majority opinion (4)
|
||||
String ns = "ns0";
|
||||
String nn = "nn0";
|
||||
|
|
|
|||
|
|
@ -556,7 +556,7 @@ public class TestStateStoreDriverBase {
|
|||
}
|
||||
|
||||
/**
|
||||
* Get the type of a field.
|
||||
* Get the type of field.
|
||||
*
|
||||
* @param fieldName
|
||||
* @return Field type
|
||||
|
|
@ -601,7 +601,7 @@ public class TestStateStoreDriverBase {
|
|||
}
|
||||
|
||||
/**
|
||||
* Expands a data object from the store into an record object. Default store
|
||||
* Expands a data object from the store into a record object. Default store
|
||||
* data type is a String. Override if additional serialization is required.
|
||||
*
|
||||
* @param data Object containing the serialized data. Only string is
|
||||
|
|
|
|||
Loading…
Reference in New Issue