Package org.apache.accumulo.server.master.state

Examples of org.apache.accumulo.server.master.state.TabletState

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            if (mergeStats == null) {
              mergeStatsCache.put(tableId, mergeStats = new MergeStats(getMergeInfo(tableId)));
            }
            TabletGoalState goal = getGoalState(tls, mergeStats.getMergeInfo());
            TServerInstance server = tls.getServer();
            TabletState state = tls.getState(currentTServers.keySet());
            stats.update(tableId, state);
            mergeStats.update(tls.extent, state, tls.chopped, !tls.walogs.isEmpty());
            sendChopRequest(mergeStats.getMergeInfo(), state, tls);
            sendSplitRequest(mergeStats.getMergeInfo(), state, tls);
           
            // Always follow through with assignments
            if (state == TabletState.ASSIGNED) {
              goal = TabletGoalState.HOSTED;
            }
           
            // if we are shutting down all the tabletservers, we have to do it in order
            if (goal == TabletGoalState.UNASSIGNED && state == TabletState.HOSTED) {
              if (serversToShutdown.equals(currentTServers.keySet())) {
                if (dependentWatcher != null && dependentWatcher.assignedOrHosted() > 0) {
                  goal = TabletGoalState.HOSTED;
                }
              }
            }
           
            if (goal == TabletGoalState.HOSTED) {
              if (state != TabletState.HOSTED && !tls.walogs.isEmpty()) {
                if (!recovery.recover(SecurityConstants.getSystemCredentials(), tls.extent, tls.walogs, Master.this)) {
                  continue;
                }
              }
              switch (state) {
                case HOSTED:
                  if (server.equals(migrations.get(tls.extent)))
                    migrations.remove(tls.extent);
                  break;
                case ASSIGNED_TO_DEAD_SERVER:
                  assignedToDeadServers.add(tls);
                  if (server.equals(migrations.get(tls.extent)))
                    migrations.remove(tls.extent);
                  // log.info("Current servers " + currentTServers.keySet());
                  break;
                case UNASSIGNED:
                  // maybe it's a finishing migration
                  TServerInstance dest = migrations.get(tls.extent);
                  if (dest != null) {
                    // if destination is still good, assign it
                    if (destinations.keySet().contains(dest)) {
                      assignments.add(new Assignment(tls.extent, dest));
                    } else {
                      // get rid of this migration
                      migrations.remove(tls.extent);
                      unassigned.put(tls.extent, server);
                    }
                  } else {
                    unassigned.put(tls.extent, server);
                  }
                  break;
                case ASSIGNED:
                  // Send another reminder
                  assigned.add(new Assignment(tls.extent, tls.future));
                  break;
              }
            } else {
              switch (state) {
                case UNASSIGNED:
                  break;
                case ASSIGNED_TO_DEAD_SERVER:
                  assignedToDeadServers.add(tls);
                  // log.info("Current servers " + currentTServers.keySet());
                  break;
                case HOSTED:
                  TServerConnection conn = tserverSet.getConnection(server);
                  if (conn != null) {
                    conn.unloadTablet(masterLock, tls.extent, goal != TabletGoalState.DELETED);
                    unloaded++;
                    totalUnloaded++;
                  } else {
                    log.warn("Could not connect to server " + server);
                  }
                  break;
                case ASSIGNED:
                  break;
              }
            }
            counts[state.ordinal()]++;
          }
         
          flushChanges(destinations, assignments, assigned, assignedToDeadServers, unassigned);
         
          // provide stats after flushing changes to avoid race conditions w/ delete table
          stats.end();
         
          // Report changes
          for (TabletState state : TabletState.values()) {
            int i = state.ordinal();
            if (counts[i] > 0 && counts[i] != oldCounts[i]) {
              nextEvent.event("[%s]: %d tablets are %s", store.name(), counts[i], state.name());
            }
          }
          log.debug(String.format("[%s]: scan time %.2f seconds", store.name(), stats.getScanTime() / 1000.));
          oldCounts = counts;
          if (totalUnloaded > 0) {
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        Range tableRange = new KeyExtent(new Text(tableId), null, null).toMetadataRange();
        MetaDataTableScanner metaDataTableScanner = new MetaDataTableScanner(tableRange, null, null);
        try {
          while (metaDataTableScanner.hasNext()) {
            TabletLocationState locationState = metaDataTableScanner.next();
            TabletState state = locationState.getState(onlineTabletServers());
            if (state.equals(TabletState.ASSIGNED) || state.equals(TabletState.HOSTED)) {
              log.debug("Still waiting for table to be deleted: " + tableId + " locationState: " + locationState);
              done = false;
              break;
            }
          }
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              unloaded = 0;
              UtilWaitThread.sleep(TIME_TO_WAIT_BETWEEN_SCANS);
            }
            TabletGoalState goal = getGoalState(tls.current, tls.extent);
            TServerInstance server = tls.getServer();
            TabletState state = tls.getState(currentTServers.keySet());
            stats.update(tls.extent.getTableId(), state);
           
            // Always follow through with assignments
            if (state == TabletState.ASSIGNED) {
              goal = TabletGoalState.HOSTED;
            }
           
            if (goal == TabletGoalState.HOSTED) {
              if (state != TabletState.HOSTED && !tls.walogs.isEmpty()) {
                if (!recovery.recover(SecurityConstants.systemCredentials, tls.extent, tls.walogs)) {
                  continue;
                }
              }
              switch (state) {
                case HOSTED:
                  if (server.equals(migrations.get(tls.extent)))
                    migrations.remove(tls.extent);
                  break;
                case ASSIGNED_TO_DEAD_SERVER:
                  assignedToDeadServers.add(tls);
                  break;
                case UNASSIGNED:
                  // maybe it's a finishing migration
                  TServerInstance dest = migrations.get(tls.extent);
                  if (dest != null && destinations.keySet().contains(dest)) {
                    assignments.add(new Assignment(tls.extent, dest));
                  } else {
                    unassigned.put(tls.extent, server);
                  }
                  break;
                case ASSIGNED:
                  // Send another reminder
                  assigned.add(new Assignment(tls.extent, tls.future));
                  break;
              }
            } else {
              if (state != TabletState.UNASSIGNED) {
                TServerConnection conn = tserverSet.getConnection(server);
                if (conn != null) {
                  conn.unloadTablet(masterLock, tls.extent, goal != TabletGoalState.DELETED);
                  unloaded++;
                  totalUnloaded++;
                } else {
                  log.warn("Could not connect to server " + server);
                }
              }
            }
            counts[state.ordinal()]++;
          }
          stats.end();
         
          // Report changes
          for (TabletState state : TabletState.values()) {
            int i = state.ordinal();
            if (counts[i] > 0 && counts[i] != oldCounts[i]) {
              nextEvent.somethingInterestingHappened("[%s]: %d tablets are %s", store.name(), counts[i], state.name());
            }
          }
          log.debug(String.format("[%s]: scan time %.2f seconds", store.name(), stats.getScanTime() / 1000.));
          oldCounts = counts;
          if (totalUnloaded > 0) {
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          log.warn("Tablet servers added while scanning: " + added);
      }
    });
    while (scanner.hasNext()) {
      TabletLocationState locationState = scanner.next();
      TabletState state = locationState.getState(tservers.getCurrentServers());
      if (state != TabletState.HOSTED && TableManager.getInstance().getTableState(locationState.extent.getTableId().toString()) != TableState.OFFLINE)
        System.out.println(locationState + " is " + state);
    }
  }
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        done = false;
        break;
      }
      prevExtent = locationState.extent;
     
      TabletState state = locationState.getState(environment.onlineTabletServers());
      if (state.equals(TabletState.ASSIGNED) || state.equals(TabletState.HOSTED)) {
        log.debug("Still waiting for table to be deleted: " + tableId + " locationState: " + locationState);
        done = false;
        break;
      }
    }
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            if (mergeStats == null) {
              mergeStatsCache.put(tableId, mergeStats = new MergeStats(getMergeInfo(tableId)));
            }
            TabletGoalState goal = getGoalState(tls, mergeStats.getMergeInfo());
            TServerInstance server = tls.getServer();
            TabletState state = tls.getState(currentTServers.keySet());
            stats.update(tableId, state);
            mergeStats.update(tls.extent, state, tls.chopped, !tls.walogs.isEmpty());
            sendChopRequest(mergeStats.getMergeInfo(), state, tls);
            sendSplitRequest(mergeStats.getMergeInfo(), state, tls);
           
            // Always follow through with assignments
            if (state == TabletState.ASSIGNED) {
              goal = TabletGoalState.HOSTED;
            }
           
            // if we are shutting down all the tabletservers, we have to do it in order
            if (goal == TabletGoalState.UNASSIGNED && state == TabletState.HOSTED) {
              if (serversToShutdown.equals(currentTServers.keySet())) {
                if (dependentWatcher != null && dependentWatcher.assignedOrHosted() > 0) {
                  goal = TabletGoalState.HOSTED;
                }
              }
            }
           
            if (goal == TabletGoalState.HOSTED) {
              if (state != TabletState.HOSTED && !tls.walogs.isEmpty()) {
                if (!recovery.recover(SecurityConstants.getSystemCredentials(), tls.extent, tls.walogs, Master.this)) {
                  continue;
                }
              }
              switch (state) {
                case HOSTED:
                  if (server.equals(migrations.get(tls.extent)))
                    migrations.remove(tls.extent);
                  break;
                case ASSIGNED_TO_DEAD_SERVER:
                  assignedToDeadServers.add(tls);
                  if (server.equals(migrations.get(tls.extent)))
                    migrations.remove(tls.extent);
                  // log.info("Current servers " + currentTServers.keySet());
                  break;
                case UNASSIGNED:
                  // maybe it's a finishing migration
                  TServerInstance dest = migrations.get(tls.extent);
                  if (dest != null) {
                    // if destination is still good, assign it
                    if (destinations.keySet().contains(dest)) {
                      assignments.add(new Assignment(tls.extent, dest));
                    } else {
                      // get rid of this migration
                      migrations.remove(tls.extent);
                      unassigned.put(tls.extent, server);
                    }
                  } else {
                    unassigned.put(tls.extent, server);
                  }
                  break;
                case ASSIGNED:
                  // Send another reminder
                  assigned.add(new Assignment(tls.extent, tls.future));
                  break;
              }
            } else {
              switch (state) {
                case UNASSIGNED:
                  break;
                case ASSIGNED_TO_DEAD_SERVER:
                  assignedToDeadServers.add(tls);
                  // log.info("Current servers " + currentTServers.keySet());
                  break;
                case HOSTED:
                  TServerConnection conn = tserverSet.getConnection(server);
                  if (conn != null) {
                    conn.unloadTablet(masterLock, tls.extent, goal != TabletGoalState.DELETED);
                    unloaded++;
                    totalUnloaded++;
                  } else {
                    log.warn("Could not connect to server " + server);
                  }
                  break;
                case ASSIGNED:
                  break;
              }
            }
            counts[state.ordinal()]++;
          }
         
          flushChanges(destinations, assignments, assigned, assignedToDeadServers, unassigned);
         
          // provide stats after flushing changes to avoid race conditions w/ delete table
          stats.end();
         
          // Report changes
          for (TabletState state : TabletState.values()) {
            int i = state.ordinal();
            if (counts[i] > 0 && counts[i] != oldCounts[i]) {
              nextEvent.event("[%s]: %d tablets are %s", store.name(), counts[i], state.name());
            }
          }
          log.debug(String.format("[%s]: scan time %.2f seconds", store.name(), stats.getScanTime() / 1000.));
          oldCounts = counts;
          if (totalUnloaded > 0) {
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            if (mergeStats == null) {
              mergeStatsCache.put(tableId, mergeStats = new MergeStats(getMergeInfo(tls.extent)));
            }
            TabletGoalState goal = getGoalState(tls, mergeStats.getMergeInfo());
            TServerInstance server = tls.getServer();
            TabletState state = tls.getState(currentTServers.keySet());
            stats.update(tableId, state);
            mergeStats.update(tls.extent, state, tls.chopped, !tls.walogs.isEmpty());
            sendChopRequest(mergeStats.getMergeInfo(), state, tls);
            sendSplitRequest(mergeStats.getMergeInfo(), state, tls);
           
            // Always follow through with assignments
            if (state == TabletState.ASSIGNED) {
              goal = TabletGoalState.HOSTED;
            }
           
            // if we are shutting down all the tabletservers, we have to do it in order
            if (goal == TabletGoalState.UNASSIGNED && state == TabletState.HOSTED) {
              if (serversToShutdown.equals(currentTServers.keySet())) {
                if (dependentWatcher != null && dependentWatcher.assignedOrHosted() > 0) {
                  goal = TabletGoalState.HOSTED;
                }
              }
            }
           
            if (goal == TabletGoalState.HOSTED) {
              if (state != TabletState.HOSTED && !tls.walogs.isEmpty()) {
                if (recoveryManager.recoverLogs(tls.extent, tls.walogs))
                  continue;
              }
              switch (state) {
                case HOSTED:
                  if (server.equals(migrations.get(tls.extent)))
                    migrations.remove(tls.extent);
                  break;
                case ASSIGNED_TO_DEAD_SERVER:
                  assignedToDeadServers.add(tls);
                  if (server.equals(migrations.get(tls.extent)))
                    migrations.remove(tls.extent);
                  // log.info("Current servers " + currentTServers.keySet());
                  break;
                case UNASSIGNED:
                  // maybe it's a finishing migration
                  TServerInstance dest = migrations.get(tls.extent);
                  if (dest != null) {
                    // if destination is still good, assign it
                    if (destinations.keySet().contains(dest)) {
                      assignments.add(new Assignment(tls.extent, dest));
                    } else {
                      // get rid of this migration
                      migrations.remove(tls.extent);
                      unassigned.put(tls.extent, server);
                    }
                  } else {
                    unassigned.put(tls.extent, server);
                  }
                  break;
                case ASSIGNED:
                  // Send another reminder
                  assigned.add(new Assignment(tls.extent, tls.future));
                  break;
              }
            } else {
              switch (state) {
                case UNASSIGNED:
                  break;
                case ASSIGNED_TO_DEAD_SERVER:
                  assignedToDeadServers.add(tls);
                  // log.info("Current servers " + currentTServers.keySet());
                  break;
                case HOSTED:
                  TServerConnection conn = tserverSet.getConnection(server);
                  if (conn != null) {
                    conn.unloadTablet(masterLock, tls.extent, goal != TabletGoalState.DELETED);
                    unloaded++;
                    totalUnloaded++;
                  } else {
                    log.warn("Could not connect to server " + server);
                  }
                  break;
                case ASSIGNED:
                  break;
              }
            }
            counts[state.ordinal()]++;
          }
         
          flushChanges(destinations, assignments, assigned, assignedToDeadServers, unassigned);
         
          // provide stats after flushing changes to avoid race conditions w/ delete table
          stats.end();
         
          // Report changes
          for (TabletState state : TabletState.values()) {
            int i = state.ordinal();
            if (counts[i] > 0 && counts[i] != oldCounts[i]) {
              nextEvent.event("[%s]: %d tablets are %s", store.name(), counts[i], state.name());
            }
          }
          log.debug(String.format("[%s]: scan time %.2f seconds", store.name(), stats.getScanTime() / 1000.));
          oldCounts = counts;
          if (totalUnloaded > 0) {
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            if (mergeStats == null) {
              mergeStatsCache.put(tableId, mergeStats = new MergeStats(getMergeInfo(tableId)));
            }
            TabletGoalState goal = getGoalState(tls, mergeStats.getMergeInfo());
            TServerInstance server = tls.getServer();
            TabletState state = tls.getState(currentTServers.keySet());
            stats.update(tableId, state);
            mergeStats.update(tls.extent, state, tls.chopped, !tls.walogs.isEmpty());
            sendChopRequest(mergeStats.getMergeInfo(), state, tls);
            sendSplitRequest(mergeStats.getMergeInfo(), state, tls);
           
            // Always follow through with assignments
            if (state == TabletState.ASSIGNED) {
              goal = TabletGoalState.HOSTED;
            }
           
            // if we are shutting down all the tabletservers, we have to do it in order
            if (goal == TabletGoalState.UNASSIGNED && state == TabletState.HOSTED) {
              if (serversToShutdown.equals(currentTServers.keySet())) {
                if (dependentWatcher != null && dependentWatcher.assignedOrHosted() > 0) {
                  goal = TabletGoalState.HOSTED;
                }
              }
            }
           
            if (goal == TabletGoalState.HOSTED) {
              if (state != TabletState.HOSTED && !tls.walogs.isEmpty()) {
                if (!recovery.recover(SecurityConstants.getSystemCredentials(), tls.extent, tls.walogs, Master.this)) {
                  continue;
                }
              }
              switch (state) {
                case HOSTED:
                  if (server.equals(migrations.get(tls.extent)))
                    migrations.remove(tls.extent);
                  break;
                case ASSIGNED_TO_DEAD_SERVER:
                  assignedToDeadServers.add(tls);
                  if (server.equals(migrations.get(tls.extent)))
                    migrations.remove(tls.extent);
                  // log.info("Current servers " + currentTServers.keySet());
                  break;
                case UNASSIGNED:
                  // maybe it's a finishing migration
                  TServerInstance dest = migrations.get(tls.extent);
                  if (dest != null) {
                    // if destination is still good, assign it
                    if (destinations.keySet().contains(dest)) {
                      assignments.add(new Assignment(tls.extent, dest));
                    } else {
                      // get rid of this migration
                      migrations.remove(tls.extent);
                      unassigned.put(tls.extent, server);
                    }
                  } else {
                    unassigned.put(tls.extent, server);
                  }
                  break;
                case ASSIGNED:
                  // Send another reminder
                  assigned.add(new Assignment(tls.extent, tls.future));
                  break;
              }
            } else {
              switch (state) {
                case UNASSIGNED:
                  break;
                case ASSIGNED_TO_DEAD_SERVER:
                  assignedToDeadServers.add(tls);
                  // log.info("Current servers " + currentTServers.keySet());
                  break;
                case HOSTED:
                  TServerConnection conn = tserverSet.getConnection(server);
                  if (conn != null) {
                    conn.unloadTablet(masterLock, tls.extent, goal != TabletGoalState.DELETED);
                    unloaded++;
                    totalUnloaded++;
                  } else {
                    log.warn("Could not connect to server " + server);
                  }
                  break;
                case ASSIGNED:
                  break;
              }
            }
            counts[state.ordinal()]++;
          }
         
          flushChanges(destinations, assignments, assigned, assignedToDeadServers, unassigned);
         
          // provide stats after flushing changes to avoid race conditions w/ delete table
          stats.end();
         
          // Report changes
          for (TabletState state : TabletState.values()) {
            int i = state.ordinal();
            if (counts[i] > 0 && counts[i] != oldCounts[i]) {
              nextEvent.event("[%s]: %d tablets are %s", store.name(), counts[i], state.name());
            }
          }
          log.debug(String.format("[%s]: scan time %.2f seconds", store.name(), stats.getScanTime() / 1000.));
          oldCounts = counts;
          if (totalUnloaded > 0) {
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  private static int checkTablets(Iterator<TabletLocationState> scanner, LiveTServerSet tservers) {
    int offline = 0;
   
    while (scanner.hasNext() && !System.out.checkError()) {
      TabletLocationState locationState = scanner.next();
      TabletState state = locationState.getState(tservers.getCurrentServers());
      if (state != null && state != TabletState.HOSTED
          && TableManager.getInstance().getTableState(locationState.extent.getTableId().toString()) != TableState.OFFLINE) {
        System.out.println(locationState + " is " + state + "  #walogs:" + locationState.walogs.size());
        offline++;
      }
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            }
            mergeStatsCache.put(tableId, mergeStats);
          }
          TabletGoalState goal = this.master.getGoalState(tls, mergeStats.getMergeInfo());
          TServerInstance server = tls.getServer();
          TabletState state = tls.getState(currentTServers.keySet());
          if (Master.log.isTraceEnabled())
            Master.log.trace("Goal state " + goal + " current " + state);
          stats.update(tableId, state);
          mergeStats.update(tls.extent, state, tls.chopped, !tls.walogs.isEmpty());
          sendChopRequest(mergeStats.getMergeInfo(), state, tls);
          sendSplitRequest(mergeStats.getMergeInfo(), state, tls);
         
          // Always follow through with assignments
          if (state == TabletState.ASSIGNED) {
            goal = TabletGoalState.HOSTED;
          }
         
          // if we are shutting down all the tabletservers, we have to do it in order
          if (goal == TabletGoalState.UNASSIGNED && state == TabletState.HOSTED) {
            if (this.master.serversToShutdown.equals(currentTServers.keySet())) {
              if (dependentWatcher != null && dependentWatcher.assignedOrHosted() > 0) {
                goal = TabletGoalState.HOSTED;
              }
            }
          }
         
          if (goal == TabletGoalState.HOSTED) {
            if (state != TabletState.HOSTED && !tls.walogs.isEmpty()) {
              if (this.master.recoveryManager.recoverLogs(tls.extent, tls.walogs))
                continue;
            }
            switch (state) {
              case HOSTED:
                if (server.equals(this.master.migrations.get(tls.extent)))
                  this.master.migrations.remove(tls.extent);
                break;
              case ASSIGNED_TO_DEAD_SERVER:
                assignedToDeadServers.add(tls);
                if (server.equals(this.master.migrations.get(tls.extent)))
                  this.master.migrations.remove(tls.extent);
                // log.info("Current servers " + currentTServers.keySet());
                break;
              case UNASSIGNED:
                // maybe it's a finishing migration
                TServerInstance dest = this.master.migrations.get(tls.extent);
                if (dest != null) {
                  // if destination is still good, assign it
                  if (destinations.keySet().contains(dest)) {
                    assignments.add(new Assignment(tls.extent, dest));
                  } else {
                    // get rid of this migration
                    this.master.migrations.remove(tls.extent);
                    unassigned.put(tls.extent, server);
                  }
                } else {
                  unassigned.put(tls.extent, server);
                }
                break;
              case ASSIGNED:
                // Send another reminder
                assigned.add(new Assignment(tls.extent, tls.future));
                break;
            }
          } else {
            switch (state) {
              case UNASSIGNED:
                break;
              case ASSIGNED_TO_DEAD_SERVER:
                assignedToDeadServers.add(tls);
                // log.info("Current servers " + currentTServers.keySet());
                break;
              case HOSTED:
                TServerConnection conn = this.master.tserverSet.getConnection(server);
                if (conn != null) {
                  conn.unloadTablet(this.master.masterLock, tls.extent, goal != TabletGoalState.DELETED);
                  unloaded++;
                  totalUnloaded++;
                } else {
                  Master.log.warn("Could not connect to server " + server);
                }
                break;
              case ASSIGNED:
                break;
            }
          }
          counts[state.ordinal()]++;
        }
       
        flushChanges(destinations, assignments, assigned, assignedToDeadServers, unassigned);
       
        // provide stats after flushing changes to avoid race conditions w/ delete table
        stats.end();
       
        // Report changes
        for (TabletState state : TabletState.values()) {
          int i = state.ordinal();
          if (counts[i] > 0 && counts[i] != oldCounts[i]) {
            this.master.nextEvent.event("[%s]: %d tablets are %s", store.name(), counts[i], state.name());
          }
        }
        Master.log.debug(String.format("[%s]: scan time %.2f seconds", store.name(), stats.getScanTime() / 1000.));
        oldCounts = counts;
        if (totalUnloaded > 0) {
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Related Classes of org.apache.accumulo.server.master.state.TabletState

  • org.apache.accumulo.master.tableOps.CleanUp
  • org.apache.accumulo.master.TabletGroupWatcher
  • org.apache.accumulo.server.master.Master$DeleteThread
  • org.apache.accumulo.server.master.Master$TabletGroupWatcher
  • org.apache.accumulo.server.master.tableOps.CleanUp
  • org.apache.accumulo.server.util.FindOfflineTablets
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