Examples of tachyon.thrift.Command$CommandStandardScheme

        MasterWorkerInfo tWorkerInfo = mWorkers.get(workerId);


        if (tWorkerInfo == null) {
          LOG.info("worker_heartbeat(): Does not contain worker with ID " + workerId
              + " . Send command to let it re-register.");
          return new Command(CommandType.Register, new ArrayList<Long>());
        }


        tWorkerInfo.updateUsedBytes(usedBytes);
        tWorkerInfo.updateBlocks(false, removedBlockIds);
        tWorkerInfo.updateToRemovedBlocks(false, removedBlockIds);
        tWorkerInfo.updateLastUpdatedTimeMs();


        for (long blockId : removedBlockIds) {
          int fileId = BlockInfo.computeInodeId(blockId);
          int blockIndex = BlockInfo.computeBlockIndex(blockId);
          Inode inode = mFileIdToInodes.get(fileId);
          if (inode == null) {
            LOG.error("File " + fileId + " does not exist");
          } else if (inode.isFile()) {
            ((InodeFile) inode).removeLocation(blockIndex, workerId);
            LOG.debug("File {} with block {} was evicted from worker {} ", fileId, blockIndex,
                workerId);
          }
        }


        List<Long> toRemovedBlocks = tWorkerInfo.getToRemovedBlocks();
        if (toRemovedBlocks.size() != 0) {
          return new Command(CommandType.Free, toRemovedBlocks);
        }
      }
    }


    return new Command(CommandType.Nothing, new ArrayList<Long>());
  }

  }


  @Override
  public void run() {
    long lastHeartbeatMs = System.currentTimeMillis();
    Command cmd = null;
    while (!mStop) {
      long diff = System.currentTimeMillis() - lastHeartbeatMs;
      if (diff < WorkerConf.get().TO_MASTER_HEARTBEAT_INTERVAL_MS) {
        LOG.debug("Heartbeat process takes {} ms.", diff);
        CommonUtils.sleepMs(LOG, WorkerConf.get().TO_MASTER_HEARTBEAT_INTERVAL_MS - diff);
      } else {
        LOG.error("Heartbeat process takes " + diff + " ms.");
      }


      try {
        cmd = mWorkerStorage.heartbeat();


        lastHeartbeatMs = System.currentTimeMillis();
      } catch (BlockInfoException e) {
        LOG.error(e.getMessage(), e);
      } catch (IOException e) {
        LOG.error(e.getMessage(), e);
        mWorkerStorage.resetMasterClient();
        CommonUtils.sleepMs(LOG, Constants.SECOND_MS);
        cmd = null;
        if (System.currentTimeMillis() - lastHeartbeatMs >= WorkerConf.get().HEARTBEAT_TIMEOUT_MS) {
          throw new RuntimeException("Timebeat timeout "
              + (System.currentTimeMillis() - lastHeartbeatMs) + "ms");
        }
      }


      if (cmd != null) {
        switch (cmd.mCommandType) {
          case Unknown:
            LOG.error("Unknown command: " + cmd);
            break;
          case Nothing:
            LOG.debug("Nothing command: {}", cmd);
            break;
          case Register:
            LOG.info("Register command: " + cmd);
            mWorkerStorage.register();
            break;
          case Free:
            mWorkerStorage.freeBlocks(cmd.mData);
            LOG.info("Free command: " + cmd);
            break;
          case Delete:
            LOG.info("Delete command: " + cmd);
            break;
          default:
            throw new RuntimeException("Un-recognized command from master " + cmd.toString());
        }
      }


      mWorkerStorage.checkStatus();
    }

Examples of tachyon.thrift.Command$CommandStandardScheme

Related Classes of tachyon.thrift.Command$CommandStandardScheme