Method Detail

• visitReferencedFiles

  public static void visitReferencedFiles(org.apache.hadoop.conf.Configuration conf,
                          org.apache.hadoop.fs.FileSystem fs,
                          org.apache.hadoop.fs.Path snapshotDir,
                          SnapshotReferenceUtil.SnapshotVisitor visitor)
                                   throws IOException

  Iterate over the snapshot store files

  Parameters:

  conf - The current Configuration instance.

  fs - FileSystem

  snapshotDir - Path to the Snapshot directory

  visitor - callback object to get the referenced files

  Throws:

  IOException - if an error occurred while scanning the directory

• visitReferencedFiles

  public static void visitReferencedFiles(org.apache.hadoop.conf.Configuration conf,
                          org.apache.hadoop.fs.FileSystem fs,
                          org.apache.hadoop.fs.Path snapshotDir,
                          org.apache.hadoop.hbase.protobuf.generated.HBaseProtos.SnapshotDescription desc,
                          SnapshotReferenceUtil.SnapshotVisitor visitor)
                                   throws IOException

  Iterate over the snapshot store files, restored.edits and logs

  Parameters:

  conf - The current Configuration instance.

  fs - FileSystem

  snapshotDir - Path to the Snapshot directory

  desc - the HBaseProtos.SnapshotDescription of the snapshot to verify

  visitor - callback object to get the referenced files

  Throws:

  IOException - if an error occurred while scanning the directory

• verifySnapshot

  public static void verifySnapshot(org.apache.hadoop.conf.Configuration conf,
                    org.apache.hadoop.fs.FileSystem fs,
                    org.apache.hadoop.fs.Path snapshotDir,
                    org.apache.hadoop.hbase.protobuf.generated.HBaseProtos.SnapshotDescription snapshotDesc)
                             throws IOException

  Verify the validity of the snapshot

  Parameters:

  conf - The current Configuration instance.

  fs - FileSystem

  snapshotDir - Path to the Snapshot directory of the snapshot to verify

  snapshotDesc - the HBaseProtos.SnapshotDescription of the snapshot to verify

  Throws:

  CorruptedSnapshotException - if the snapshot is corrupted

  IOException - if an error occurred while scanning the directory

• verifySnapshot

  public static void verifySnapshot(org.apache.hadoop.conf.Configuration conf,
                    org.apache.hadoop.fs.FileSystem fs,
                    SnapshotManifest manifest)
                             throws IOException

  Verify the validity of the snapshot

  Parameters:

  conf - The current Configuration instance.

  fs - FileSystem

  manifest - snapshot manifest to inspect

  Throws:

  CorruptedSnapshotException - if the snapshot is corrupted

  IOException - if an error occurred while scanning the directory

• concurrentVisitReferencedFiles

  public static void concurrentVisitReferencedFiles(org.apache.hadoop.conf.Configuration conf,
                                    org.apache.hadoop.fs.FileSystem fs,
                                    SnapshotManifest manifest,
                                    String desc,
                                    SnapshotReferenceUtil.StoreFileVisitor visitor)
                                             throws IOException

  Throws:

  IOException

• concurrentVisitReferencedFiles

  public static void concurrentVisitReferencedFiles(org.apache.hadoop.conf.Configuration conf,
                                    org.apache.hadoop.fs.FileSystem fs,
                                    SnapshotManifest manifest,
                                    ExecutorService exec,
                                    SnapshotReferenceUtil.StoreFileVisitor visitor)
                                             throws IOException

  Throws:

  IOException

• getHFileNames

  public static Set<String> getHFileNames(org.apache.hadoop.conf.Configuration conf,
                          org.apache.hadoop.fs.FileSystem fs,
                          org.apache.hadoop.fs.Path snapshotDir)
                                   throws IOException

  Returns the store file names in the snapshot.

  Parameters:

  conf - The current Configuration instance.

  fs - FileSystem

  snapshotDir - Path to the Snapshot directory

  Returns:

  the names of hfiles in the specified snaphot

  Throws:

  IOException - if an error occurred while scanning the directory