Package org.apache.hadoop.hbase.snapshot

Examples of org.apache.hadoop.hbase.snapshot.CorruptedSnapshotException

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    Map<String, SnapshotRegionManifest> regionManifests = manifest.getRegionManifestsMap();
    if (regionManifests == null) {
      String msg = "Snapshot " + ClientSnapshotDescriptionUtils.toString(snapshot) + " looks empty";
      LOG.error(msg);
      throw new CorruptedSnapshotException(msg);
    }

    String errorMsg = "";
    if (regionManifests.size() != regions.size()) {
      errorMsg = "Regions moved during the snapshot '" +
                   ClientSnapshotDescriptionUtils.toString(snapshot) + "'. expected=" +
                   regions.size() + " snapshotted=" + regionManifests.size() + ".";
      LOG.error(errorMsg);
    }

    // Verify HRegionInfo
    for (HRegionInfo region : regions) {
      SnapshotRegionManifest regionManifest = regionManifests.get(region.getEncodedName());
      if (regionManifest == null) {
        // could happen due to a move or split race.
        String mesg = " No snapshot region directory found for region:" + region;
        if (errorMsg.isEmpty()) errorMsg = mesg;
        LOG.error(mesg);
        continue;
      }

      verifyRegionInfo(region, regionManifest);
    }

    if (!errorMsg.isEmpty()) {
      throw new CorruptedSnapshotException(errorMsg);
    }

    // Verify Snapshot HFiles
    SnapshotReferenceUtil.verifySnapshot(services.getConfiguration(), fs, manifest);
  }
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      final SnapshotRegionManifest manifest) throws IOException {
    HRegionInfo manifestRegionInfo = HRegionInfo.convert(manifest.getRegionInfo());
    if (!region.equals(manifestRegionInfo)) {
      String msg = "Manifest region info " + manifestRegionInfo +
                   "doesn't match expected region:" + region;
      throw new CorruptedSnapshotException(msg, snapshot);
    }
  }
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   * @param snapshotDir snapshot directory to check
   */
  private void verifySnapshotDescription(Path snapshotDir) throws CorruptedSnapshotException {
    SnapshotDescription found = SnapshotDescriptionUtils.readSnapshotInfo(fs, snapshotDir);
    if (!this.snapshot.equals(found)) {
      throw new CorruptedSnapshotException("Snapshot read (" + found
          + ") doesn't equal snapshot we ran (" + snapshot + ").", snapshot);
    }
  }
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   * @param manifest snapshot manifest to inspect
   */
  private void verifyTableInfo(final SnapshotManifest manifest) throws IOException {
    HTableDescriptor htd = manifest.getTableDescriptor();
    if (htd == null) {
      throw new CorruptedSnapshotException("Missing Table Descriptor", snapshot);
    }

    if (!htd.getNameAsString().equals(snapshot.getTable())) {
      throw new CorruptedSnapshotException("Invalid Table Descriptor. Expected "
        + snapshot.getTable() + " name, got " + htd.getNameAsString(), snapshot);
    }
  }
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    Map<String, SnapshotRegionManifest> regionManifests = manifest.getRegionManifestsMap();
    if (regionManifests == null) {
      String msg = "Snapshot " + ClientSnapshotDescriptionUtils.toString(snapshot) + " looks empty";
      LOG.error(msg);
      throw new CorruptedSnapshotException(msg);
    }

    String errorMsg = "";
    if (regionManifests.size() != regions.size()) {
      errorMsg = "Regions moved during the snapshot '" +
                   ClientSnapshotDescriptionUtils.toString(snapshot) + "'. expected=" +
                   regions.size() + " snapshotted=" + regionManifests.size() + ".";
      LOG.error(errorMsg);
    }

    // Verify HRegionInfo
    for (HRegionInfo region : regions) {
      SnapshotRegionManifest regionManifest = regionManifests.get(region.getEncodedName());
      if (regionManifest == null) {
        // could happen due to a move or split race.
        String mesg = " No snapshot region directory found for region:" + region;
        if (errorMsg.isEmpty()) errorMsg = mesg;
        LOG.error(mesg);
        continue;
      }

      verifyRegionInfo(region, regionManifest);
    }

    if (!errorMsg.isEmpty()) {
      throw new CorruptedSnapshotException(errorMsg);
    }

    // Verify Snapshot HFiles
    SnapshotReferenceUtil.verifySnapshot(services.getConfiguration(), fs, manifest);
  }
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      final SnapshotRegionManifest manifest) throws IOException {
    HRegionInfo manifestRegionInfo = HRegionInfo.convert(manifest.getRegionInfo());
    if (!region.equals(manifestRegionInfo)) {
      String msg = "Manifest region info " + manifestRegionInfo +
                   "doesn't match expected region:" + region;
      throw new CorruptedSnapshotException(msg, snapshot);
    }
  }
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   * @param snapshotDir snapshot directory to check
   */
  private void verifySnapshotDescription(Path snapshotDir) throws CorruptedSnapshotException {
    SnapshotDescription found = SnapshotDescriptionUtils.readSnapshotInfo(fs, snapshotDir);
    if (!this.snapshot.equals(found)) {
      throw new CorruptedSnapshotException("Snapshot read (" + found
          + ") doesn't equal snapshot we ran (" + snapshot + ").", snapshot);
    }
  }
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    Set<String> snapshotRegions = SnapshotReferenceUtil.getSnapshotRegionNames(fs, snapshotDir);
    if (snapshotRegions == null) {
      String msg = "Snapshot " + ClientSnapshotDescriptionUtils.toString(snapshot) + " looks empty";
      LOG.error(msg);
      throw new CorruptedSnapshotException(msg);
    }

    String errorMsg = "";
    if (snapshotRegions.size() != regions.size()) {
      errorMsg = "Regions moved during the snapshot '" +
                   ClientSnapshotDescriptionUtils.toString(snapshot) + "'. expected=" +
                   regions.size() + " snapshotted=" + snapshotRegions.size() + ".";
      LOG.error(errorMsg);
    }

    for (HRegionInfo region : regions) {
      if (!snapshotRegions.contains(region.getEncodedName())) {
        // could happen due to a move or split race.
        String mesg = " No snapshot region directory found for region:" + region;
        if (errorMsg.isEmpty()) errorMsg = mesg;
        LOG.error(mesg);
      }

      verifyRegion(fs, snapshotDir, region);
    }
    if (!errorMsg.isEmpty()) {
      throw new CorruptedSnapshotException(errorMsg);
    }
  }
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    // make sure we have the region info in the snapshot
    Path regionInfo = new Path(regionDir, HRegionFileSystem.REGION_INFO_FILE);
    // make sure the file exists
    if (!fs.exists(regionInfo)) {
      throw new CorruptedSnapshotException("No region info found for region:" + region, snapshot);
    }

    HRegionInfo found = HRegionFileSystem.loadRegionInfoFileContent(fs, regionDir);
    if (!region.equals(found)) {
      throw new CorruptedSnapshotException("Found region info (" + found
        + ") doesn't match expected region:" + region, snapshot);
    }

    // make sure we have the expected recovered edits files
    TakeSnapshotUtils.verifyRecoveredEdits(fs, snapshotDir, found, snapshot);
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      // If is a reference file check if the parent file is present in the snapshot
      Path snapshotHFilePath = new Path(new Path(
          new Path(snapshotDir, regionInfo.getEncodedName()), family), fileName);
      refPath = StoreFileInfo.getReferredToFile(snapshotHFilePath);
      if (!fs.exists(refPath)) {
        throw new CorruptedSnapshotException("Missing parent hfile for: " + fileName, snapshot);
      }
    }

    Path linkPath;
    if (refPath != null && HFileLink.isHFileLink(refPath)) {
      linkPath = new Path(family, refPath.getName());
    } else if (HFileLink.isHFileLink(fileName)) {
      linkPath = new Path(family, fileName);
    } else {
      linkPath = new Path(family, HFileLink.createHFileLinkName(tableName,
        regionInfo.getEncodedName(), fileName));
    }

    // check if the linked file exists (in the archive, or in the table dir)
    HFileLink link = new HFileLink(services.getConfiguration(), linkPath);
    if (!link.exists(fs)) {
      throw new CorruptedSnapshotException("Can't find hfile: " + fileName
          + " in the real (" + link.getOriginPath() + ") or archive (" + link.getArchivePath()
          + ") directory for the primary table.", snapshot);
    }
  }
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Related Classes of org.apache.hadoop.hbase.snapshot.CorruptedSnapshotException

  • org.apache.hadoop.hbase.master.snapshot.MasterSnapshotVerifier
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