Package org.apache.hadoop.hdfs.server.namenode.snapshot

Examples of org.apache.hadoop.hdfs.server.namenode.snapshot.Snapshot$Root

220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
        // check if ".snapshot" is the last element of components
        if (count == components.length - 1) {
          break;
        }
        // Resolve snapshot root
        final Snapshot s = ((INodeDirectorySnapshottable)dir).getSnapshot(
            components[count + 1]);
        if (s == null) {
          //snapshot not found
          curNode = null;
        } else {
          curNode = s.getRoot();
          existing.setSnapshotId(s.getId());
        }
        if (index >= -1) {
          existing.snapshotRootIndex = existing.numNonNull;
        }
      } else {
View Full Code Here
653
654
655
656
657
658
659
660
661
662
663
664
665
666
      if (withCount == null) {
        srcChild.setLocalName(dstChildName);
        toDst = srcChild;
      } else {
        withCount.getReferredINode().setLocalName(dstChildName);
        Snapshot dstSnapshot = dstIIP.getLatestSnapshot();
        final INodeReference.DstReference ref = new INodeReference.DstReference(
            dstParent.asDirectory(), withCount,
            dstSnapshot == null ? Snapshot.INVALID_ID : dstSnapshot.getId());
        toDst = ref;
      }
     
      added = addLastINodeNoQuotaCheck(dstIIP, toDst);
      if (added) {
View Full Code Here
917
918
919
920
921
922
923
924
925
926
927
928
929
930
      if (withCount == null) {
        srcChild.setLocalName(dstChildName);
        toDst = srcChild;
      } else {
        withCount.getReferredINode().setLocalName(dstChildName);
        Snapshot dstSnapshot = dstIIP.getLatestSnapshot();
        final INodeReference.DstReference ref = new INodeReference.DstReference(
            dstIIP.getINode(-2).asDirectory(), withCount,
            dstSnapshot == null ? Snapshot.INVALID_ID : dstSnapshot.getId());
        toDst = ref;
      }

      // add src as dst to complete rename
      if (addLastINodeNoQuotaCheck(dstIIP, toDst)) {
View Full Code Here
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
   
    final INodesInPath trgIIP = rootDir.getINodesInPath4Write(target, true);
    final INode[] trgINodes = trgIIP.getINodes();
    final INodeFile trgInode = trgIIP.getLastINode().asFile();
    INodeDirectory trgParent = trgINodes[trgINodes.length-2].asDirectory();
    final Snapshot trgLatestSnapshot = trgIIP.getLatestSnapshot();
   
    final INodeFile [] allSrcInodes = new INodeFile[srcs.length];
    for(int i = 0; i < srcs.length; i++) {
      final INodesInPath iip = getINodesInPath4Write(srcs[i]);
      final Snapshot latest = iip.getLatestSnapshot();
      final INode inode = iip.getLastINode();

      // check if the file in the latest snapshot
      if (inode.isInLatestSnapshot(latest)) {
        throw new SnapshotException("Concat: the source file " + srcs[i]
View Full Code Here
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
      final INode inode = inodesInPath.getINode(0);
      if (inode == null || !inode.isDirectory()) {
        //not found or not a directory
        return false;
      }
      final Snapshot s = inodesInPath.getPathSnapshot();
      return !inode.asDirectory().getChildrenList(s).isEmpty();
    } finally {
      readUnlock();
    }
  }
View Full Code Here
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
    if (targetNode == null) {
      return -1;
    }

    // record modification
    final Snapshot latestSnapshot = iip.getLatestSnapshot();
    targetNode = targetNode.recordModification(latestSnapshot, inodeMap);
    iip.setLastINode(targetNode);

    // Remove the node from the namespace
    long removed = removeLastINode(iip);
View Full Code Here
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
    try {
      if (srcs.endsWith(HdfsConstants.SEPARATOR_DOT_SNAPSHOT_DIR)) {
        return getSnapshotsListing(srcs, startAfter);
      }
      final INodesInPath inodesInPath = rootDir.getLastINodeInPath(srcs, true);
      final Snapshot snapshot = inodesInPath.getPathSnapshot();
      final INode targetNode = inodesInPath.getINode(0);
      if (targetNode == null)
        return null;
     
      if (!targetNode.isDirectory()) {
View Full Code Here
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
   *            reference nodes;
   *         >0 otherwise.
   */
  private long removeLastINode(final INodesInPath iip)
      throws QuotaExceededException {
    final Snapshot latestSnapshot = iip.getLatestSnapshot();
    final INode last = iip.getLastINode();
    final INodeDirectory parent = iip.getINode(-2).asDirectory();
    if (!parent.removeChild(last, latestSnapshot, inodeMap)) {
      return -1;
    }
View Full Code Here
2385
2386
2387
2388
2389
2390
2391
2392
2393
2394
2395
      }
      if (dsQuota == HdfsConstants.QUOTA_DONT_SET) {
        dsQuota = oldDsQuota;
      }       

      final Snapshot latest = iip.getLatestSnapshot();
      if (dirNode instanceof INodeDirectoryWithQuota) {
        INodeDirectoryWithQuota quotaNode = (INodeDirectoryWithQuota) dirNode;
        Quota.Counts counts = null;
        if (!quotaNode.isQuotaSet()) {
          // dirNode must be an INodeDirectoryWithSnapshot whose quota has not
View Full Code Here
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
    }
   
    @Override
    public void destroyAndCollectBlocks(BlocksMapUpdateInfo collectedBlocks,
        final List<INode> removedINodes) {
      Snapshot snapshot = getSelfSnapshot();
      if (removeReference(this) <= 0) {
        getReferredINode().destroyAndCollectBlocks(collectedBlocks,
            removedINodes);
      } else {
        Snapshot prior = getPriorSnapshot(this);
        INode referred = getReferredINode().asReference().getReferredINode();
       
        if (snapshot != null) {
          if (prior != null && snapshot.getId() <= prior.getId()) {
            // the snapshot to be deleted has been deleted while traversing
            // the src tree of the previous rename operation. This usually
            // happens when rename's src and dst are under the same
            // snapshottable directory. E.g., the following operation sequence:
            // 1. create snapshot s1 on /test
View Full Code Here
TOP

Related Classes of org.apache.hadoop.hdfs.server.namenode.snapshot.Snapshot$Root

  • org.apache.cxf.jaxrs.resources.Book
  • org.apache.hadoop.hdfs.server.namenode.FSDirectory
  • org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker
  • org.apache.hadoop.hdfs.server.namenode.INode
  • org.apache.hadoop.hdfs.server.namenode.INodeDirectory
  • org.apache.hadoop.hdfs.server.namenode.INodeFile
  • org.apache.hadoop.hdfs.server.namenode.INodeReference$DstReference
  • org.apache.hadoop.hdfs.server.namenode.INodeReference$WithName
  • org.apache.hadoop.hdfs.server.namenode.INodesInPath
  • org.apache.hadoop.hdfs.server.namenode.TestFSImageWithSnapshot
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.