Examples with FinalizeCommand org.apache.hadoop.hdfs.server.protocol.FinalizeCommand used on opensource projects

Example 1 with FinalizeCommand

use of org.apache.hadoop.hdfs.server.protocol.FinalizeCommand in project hadoop by apache.

the class NameNodeRpcServer method blockReport.

// DatanodeProtocol
@Override
public DatanodeCommand blockReport(final DatanodeRegistration nodeReg, String poolId, final StorageBlockReport[] reports, final BlockReportContext context) throws IOException {
    checkNNStartup();
    verifyRequest(nodeReg);
    if (blockStateChangeLog.isDebugEnabled()) {
        blockStateChangeLog.debug("*BLOCK* NameNode.blockReport: " + "from " + nodeReg + ", reports.length=" + reports.length);
    }
    final BlockManager bm = namesystem.getBlockManager();
    boolean noStaleStorages = false;
    for (int r = 0; r < reports.length; r++) {
        final BlockListAsLongs blocks = reports[r].getBlocks();
        //
        // BlockManager.processReport accumulates information of prior calls
        // for the same node and storage, so the value returned by the last
        // call of this loop is the final updated value for noStaleStorage.
        //
        final int index = r;
        noStaleStorages = bm.runBlockOp(new Callable<Boolean>() {

            @Override
            public Boolean call() throws IOException {
                return bm.processReport(nodeReg, reports[index].getStorage(), blocks, context);
            }
        });
        metrics.incrStorageBlockReportOps();
    }
    bm.removeBRLeaseIfNeeded(nodeReg, context);
    BlockManagerFaultInjector.getInstance().incomingBlockReportRpc(nodeReg, context);
    if (nn.getFSImage().isUpgradeFinalized() && !namesystem.isRollingUpgrade() && !nn.isStandbyState() && noStaleStorages) {
        return new FinalizeCommand(poolId);
    }
    return null;
}