Package org.apache.accumulo.core.util

Examples of org.apache.accumulo.core.util.OpTimer

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  @Override
  public String getRootTabletLocation() {
    String zRootLocPath = ZooUtil.getRoot(this) + Constants.ZROOT_TABLET_LOCATION;

    OpTimer opTimer = new OpTimer(log, Level.TRACE).start("Looking up root tablet location in zookeeper.");
    byte[] loc = zooCache.get(zRootLocPath);
    opTimer.stop("Found root tablet at " + (loc == null ? null : new String(loc, Constants.UTF8)) + " in %DURATION%");

    if (loc == null) {
      return null;
    }
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  @Override
  public TabletLocations lookupTablet(Credentials credentials, TabletLocation src, Text row, Text stopRow, TabletLocator parent)
      throws AccumuloSecurityException, AccumuloException {
   
    try {
      OpTimer opTimer = null;
      if (log.isTraceEnabled())
        opTimer = new OpTimer(log, Level.TRACE).start("Looking up in " + src.tablet_extent.getTableId() + " row=" + TextUtil.truncate(row) + "  extent="
            + src.tablet_extent + " tserver=" + src.tablet_location);
     
      Range range = new Range(row, true, stopRow, true);
     
      TreeMap<Key,Value> encodedResults = new TreeMap<Key,Value>();
      TreeMap<Key,Value> results = new TreeMap<Key,Value>();
     
      // Use the whole row iterator so that a partial mutations is not read. The code that extracts locations for tablets does a sanity check to ensure there is
      // only one location. Reading a partial mutation could make it appear there are multiple locations when there are not.
      List<IterInfo> serverSideIteratorList = new ArrayList<IterInfo>();
      serverSideIteratorList.add(new IterInfo(10000, WholeRowIterator.class.getName(), "WRI"));
      Map<String,Map<String,String>> serverSideIteratorOptions = Collections.emptyMap();
     
      boolean more = ThriftScanner.getBatchFromServer(instance, credentials, range, src.tablet_extent, src.tablet_location, encodedResults, locCols,
          serverSideIteratorList, serverSideIteratorOptions, Constants.SCAN_BATCH_SIZE, Authorizations.EMPTY, false, ServerConfigurationUtil.getConfiguration(instance));
     
      decodeRows(encodedResults, results);
     
      if (more && results.size() == 1) {
        range = new Range(results.lastKey().followingKey(PartialKey.ROW_COLFAM_COLQUAL_COLVIS_TIME), true, new Key(stopRow).followingKey(PartialKey.ROW), false);
        encodedResults.clear();
        more = ThriftScanner.getBatchFromServer(instance, credentials, range, src.tablet_extent, src.tablet_location, encodedResults, locCols,
            serverSideIteratorList, serverSideIteratorOptions, Constants.SCAN_BATCH_SIZE, Authorizations.EMPTY, false, ServerConfigurationUtil.getConfiguration(instance));
       
        decodeRows(encodedResults, results);
      }
     
      if (opTimer != null)
        opTimer.stop("Got " + results.size() + " results  from " + src.tablet_extent + " in %DURATION%");
     
      //if (log.isTraceEnabled()) log.trace("results "+results);
     
      return MetadataLocationObtainer.getMetadataLocationEntries(results);
     
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  @Override
  public List<String> getMasterLocations() {
    String masterLocPath = ZooUtil.getRoot(this) + Constants.ZMASTER_LOCK;

    OpTimer opTimer = new OpTimer(log, Level.TRACE).start("Looking up master location in zoocache.");
    byte[] loc = ZooUtil.getLockData(zooCache, masterLocPath);
    opTimer.stop("Found master at " + (loc == null ? null : new String(loc, Constants.UTF8)) + " in %DURATION%");

    if (loc == null) {
      return Collections.emptyList();
    }
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  @Override
  public String getRootTabletLocation() {
    String zRootLocPath = ZooUtil.getRoot(this) + RootTable.ZROOT_TABLET_LOCATION;

    OpTimer opTimer = new OpTimer(log, Level.TRACE).start("Looking up root tablet location in zookeeper.");
    byte[] loc = zooCache.get(zRootLocPath);
    opTimer.stop("Found root tablet at " + (loc == null ? null : new String(loc, Constants.UTF8)) + " in %DURATION%");

    if (loc == null) {
      return null;
    }
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  @Override
  public String getRootTabletLocation() {
    String zRootLocPath = ZooUtil.getRoot(this) + RootTable.ZROOT_TABLET_LOCATION;

    OpTimer opTimer = new OpTimer(log, Level.TRACE).start("Looking up root tablet location in zoocache.");

    byte[] loc = zooCache.get(zRootLocPath);

    opTimer.stop("Found root tablet at " + (loc == null ? null : new String(loc, Constants.UTF8)) + " in %DURATION%");

    if (loc == null) {
      return null;
    }
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  @Override
  public List<String> getMasterLocations() {

    String masterLocPath = ZooUtil.getRoot(this) + Constants.ZMASTER_LOCK;

    OpTimer opTimer = new OpTimer(log, Level.TRACE).start("Looking up master location in zoocache.");

    byte[] loc = ZooLock.getLockData(zooCache, masterLocPath, null);

    opTimer.stop("Found master at " + (loc == null ? null : new String(loc, Constants.UTF8)) + " in %DURATION%");

    if (loc == null) {
      return Collections.emptyList();
    }
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  protected TabletLocation getRootTabletLocation() {
    String zRootLocPath = ZooUtil.getRoot(instance) + RootTable.ZROOT_TABLET_LOCATION;
    ZooCache zooCache = ZooCache.getInstance(instance.getZooKeepers(), instance.getZooKeepersSessionTimeOut());
   
    OpTimer opTimer = new OpTimer(Logger.getLogger(this.getClass()), Level.TRACE).start("Looking up root tablet location in zookeeper.");
    byte[] loc = zooCache.get(zRootLocPath);
    opTimer.stop("Found root tablet at " + (loc == null ? null : new String(loc)) + " in %DURATION%");
   
    if (loc == null) {
      return null;
    }
   
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   *
   * @return List of tables in accumulo
   */
  @Override
  public SortedSet<String> list() {
    OpTimer opTimer = new OpTimer(log, Level.TRACE).start("Fetching list of tables...");
    TreeSet<String> tableNames = new TreeSet<String>(Tables.getNameToIdMap(instance).keySet());
    opTimer.stop("Fetched " + tableNames.size() + " table names in %DURATION%");
    return tableNames;
  }
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  public boolean exists(String tableName) {
    ArgumentChecker.notNull(tableName);
    if (tableName.equals(MetadataTable.NAME) || tableName.equals(RootTable.NAME))
      return true;

    OpTimer opTimer = new OpTimer(log, Level.TRACE).start("Checking if table " + tableName + " exists...");
    boolean exists = Tables.getNameToIdMap(instance).containsKey(tableName);
    opTimer.stop("Checked existance of " + exists + " in %DURATION%");
    return exists;
  }
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        }

        try {
          TabletClientService.Client client = ThriftUtil.getTServerClient(tl.tablet_location, ServerConfigurationUtil.getConfiguration(instance));
          try {
            OpTimer opTimer = null;
            if (log.isTraceEnabled())
              opTimer = new OpTimer(log, Level.TRACE).start("Splitting tablet " + tl.tablet_extent + " on " + tl.tablet_location + " at " + split);

            client.splitTablet(Tracer.traceInfo(), credentials.toThrift(instance), tl.tablet_extent.toThrift(), TextUtil.getByteBuffer(split));

            // just split it, might as well invalidate it in the cache
            tabLocator.invalidateCache(tl.tablet_extent);

            if (opTimer != null)
              opTimer.stop("Split tablet in %DURATION%");
          } finally {
            ThriftUtil.returnClient(client);
          }

        } catch (TApplicationException tae) {
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Related Classes of org.apache.accumulo.core.util.OpTimer

  • org.apache.accumulo.core.client.admin.TableOperationsImpl
  • org.apache.accumulo.core.client.impl.ConnectorImpl
  • org.apache.accumulo.core.client.impl.HdfsZooInstance
  • org.apache.accumulo.core.client.impl.MetadataLocationObtainer
  • org.apache.accumulo.core.client.impl.NamespaceOperationsImpl
  • org.apache.accumulo.core.client.impl.RootTabletLocator
  • org.apache.accumulo.core.client.impl.TableOperationsImpl
  • org.apache.accumulo.core.client.impl.TabletLocatorImpl
  • org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator
  • org.apache.accumulo.core.client.impl.ThriftScanner
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