/** * If IBR is not sent from expected locations yet, add the datanodes to * pendingReconstruction in order to keep RedundancyMonitor from scheduling * the block. */ public void addExpectedReplicasToPending(BlockInfo blk) { if (!blk.isStriped()) { DatanodeStorageInfo[] expectedStorages = blk.getUnderConstructionFeature().getExpectedStorageLocations(); if (expectedStorages.length - blk.numNodes() > 0) { ArrayList<DatanodeDescriptor> pendingNodes = new ArrayList<>(); for (DatanodeStorageInfo storage : expectedStorages) { DatanodeDescriptor dnd = storage.getDatanodeDescriptor(); if (blk.findStorageInfo(dnd) == null) { pendingNodes.add(dnd); } } pendingReconstruction.increment(blk, pendingNodes.toArray(new DatanodeDescriptor[pendingNodes.size()])); } } }
pendingReconstruction.increment(block, DatanodeStorageInfo.toDatanodeDescriptors(targets)); blockLog.debug("BLOCK* block {} is moved from neededReconstruction to "