Returned to the clients when their request was discarded due to server being overloaded.

The unit of storage in HBase consisting of the following fields:

ChoreService is a service that can be used to schedule instances of ScheduledChore to run periodically while sharing threads.

Status information on the HBase cluster.

Thrown during flush if the possibility snapshot content was not properly persisted into store files.

This class defines constants for different classes of hbase limited private apis

An HColumnDescriptor contains information about a column family such as the number of versions, compression settings, etc.

Information about a region.

HTableDescriptor contains the details about an HBase table such as the descriptors of all the column families, is the table a catalog table, -ROOT- or hbase:meta , if the table is read only, the maximum size of the memstore, when the region split should occur, coprocessors associated with it etc...

Ways to keep cells marked for delete around.

Thrown if the master is not running

Namespace POJO class.

Thrown when a namespace exists but should not

Thrown when an operation requires the root and all meta regions to be online

This exception is thrown by the master when a region server was shut down and restarted so fast that the master still hasn't processed the server shutdown of the first instance, or when master is initializing and client call admin operations, or when an operation is performed on a region server that is still starting.

Thrown when something happens related to region handling.

Thrown by a region server if it will block and wait to serve a request.

ScheduledChore is a task performed on a period in hbase.

Instance of an HBase ServerName.

Thrown when a table exists but should not.

Immutable POJO class for representing a table name.

Thrown if a table should be enabled but is not.

Thrown when we are asked to operate on a region we know nothing about.

Thrown if the client can't connect to ZooKeeper.

Annotation to inform users of how much to rely on a particular package, class or method not changing over time.

Deprecated. 

Listens for asynchronous exceptions on a BufferedMutator.

A cluster connection encapsulating lower level individual connections to actual servers and a connection to zookeeper.

Consistency defines the expected consistency level for an operation.

Used to perform Delete operations on a single row.

Enum describing the durability guarantees for tables and Mutations Note that the items must be sorted in order of increasing durability

Deprecated. 

Deprecated. 

HTableMultiplexer provides a thread-safe non blocking PUT API across all the tables.

Used to perform Increment operations on a single row.

Superclass for any type that maps to a potentially application-level query.

Used to perform Put operations for a single row.

Used to view region location information for a single HBase table.

Single row result of a Get or Scan query.

Exception thrown by HTable methods when an attempt to do something (like commit changes) fails after a bunch of retries.

Has a row.

Gets or Scans throw this exception if running without in-row scan flag set and row size appears to exceed max configured size (configurable via hbase.table.max.rowsize).

Used to communicate with a single HBase table.

Read-only table descriptor.

Simple exponential backoff policy on for the client that uses a percent^4 times the max backoff to generate the backoff time.

Defines a unit of work to be executed.

Provides server side metrics related to scan operations.

Exception for timeout of a task.

Exception thrown if a mutation fails sanity checks.

Thrown when something is wrong in trying to merge two regions.

Thrown when the client believes that we are trying to communicate to has been repeatedly unresponsive for a while.

Thrown when the size of the rpc request received by the server is too large.

An error requesting an RPC protocol that the server is not serving.

A comparator which compares against a specified byte array, but only compares up to the length of this byte array.

Bit operators.

Simple filter that returns first N columns on row only.

This filter is used for selecting only those keys with columns that matches a particular prefix.

This is a generic filter to be used to filter by comparison.

A filter for adding inter-column timestamp matching Only cells with a correspondingly timestamped entry in the target column will be retained Not compatible with Scan.setBatch as operations need full rows for correct filtering

Interface for row and column filters directly applied within the regionserver.

Implementation of Filter that represents an ordered List of Filters which will be evaluated with a specified boolean operator FilterList.Operator.MUST_PASS_ALL (AND) or FilterList.Operator.MUST_PASS_ONE (OR).

A filter that will only return the first KV from each row.

This is optimized version of a standard FuzzyRowFilter Filters data based on fuzzy row key.

Used to indicate a filter incompatibility

A filter that will only return the key component of each KV (the value will be rewritten as empty).

This filter is used for selecting only those keys with columns that matches a particular prefix.

Implementation of Filter interface that limits results to a specific page size.

This class allows a user to specify a filter via a string The string is parsed using the methods of this class and a filter object is constructed.

This filter is used to filter based on the column qualifier.

This comparator is for use with CompareFilter implementations, such as RowFilter, QualifierFilter, and ValueFilter, for filtering based on the value of a given column.

This filter is used to filter based on the key.

This filter is used to filter cells based on value.

This comparator is for use with SingleColumnValueFilter, for filtering based on the value of a given column.

This filter is used to filter based on column value.

A byte sequence that is usable as a key or value.

Represents an interval of version timestamps.

An CipherProvider contributes support for various cryptographic Ciphers.

Decryptors apply a cipher to an InputStream to recover plaintext.

A facade for encryption algorithms and related support.

Encryptors apply a cipher to an OutputStream to produce ciphertext.

A basic KeyProvider that can resolve keys from a protected KeyStore file on the local filesystem.

Client side call cancelled.

Client-side call timeout

Base class which provides clients with an RPC connection to call coprocessor endpoint Services.

Indicate that the rpc server tells client to fallback to simple auth but client is disabled to do so.

Helper class for passing config to NettyRpcClient.

This is used to partition the output keys into groups of keys.

Write to table each key, record pair

A job with a map to count rows.

A Base for TableInputFormats.

Utility for TableMap and TableReduce

Iterate over an HBase table data, return (Text, RowResult) pairs

Write a table, sorting by the input key

A table split corresponds to a key range [low, high)

Facade to create Cells for HFileOutputFormat.

Export an HBase table.

Deprecated. 

Deprecated. 

Pass the given key and record as-is to the reduce phase.

Import data written by Export.

Tool to load the output of HFileOutputFormat into an existing table.

A base for MultiTableInputFormats.

MultiTableSnapshotInputFormat generalizes TableSnapshotInputFormat allowing a MapReduce job to run over one or more table snapshots, with one or more scans configured for each.

Combine Puts.

A partitioner that takes start and end keys and uses bigdecimal to figure which reduce a key belongs to.

A base for TableInputFormats.

Utility for TableMapper and TableReducer

Convert Map/Reduce output and write it to an HBase table.

Iterate over an HBase table data, return (ImmutableBytesWritable, Result) pairs.

TableSnapshotInputFormat allows a MapReduce job to run over a table snapshot.

Emits Sorted KeyValues.

Write table content out to map output files.

Simple InputFormat for WAL files.

Filter to use to filter the QuotaRetriever results.

Describe the Scope of the quota rules.

Describe the Throttle Type.

Reports a problem with a lease

This exception is thrown when a region server is asked to open or close a region but it's already processing it

Thrown if the region server log directory exists (which indicates another region server is running at the same address)

Gets or Scans throw this exception if running without in-row scan flag set and row size appears to exceed max configured size (configurable via hbase.table.max.rowsize).

Thrown when we fail close of the write-ahead-log file.

A configuration for the replication peer cluster.

A list of 'host:port' addresses of HTTP servers operating as a single entity, for example multiple redundant web service gateways.

HTable interface to remote tables accessed via REST gateway

Wrapper to abstract out usage of user and group information in HBase.

This contains a visibility expression which can be associated with a cell.

Utility client for doing visibility labels admin operations.

During the read (ie.

Export the specified snapshot to a given FileSystem.

General exception base class for when a snapshot fails.

Thrown when a snapshot could not be created due to a server-side error when taking the snapshot.

Thrown when a snapshot exists, but should not.

Thrown if a table should be online/offline, but is partially open.

Wraps an existing DataType implementation as a fixed-length version of itself.

An alternative to OrderedBlob for use by Struct fields that do not terminate the fields list.

A float of 32-bits using a fixed-length encoding.

A short of 16-bits using a fixed-length encoding.

A long of 64-bits using a fixed-length encoding.

An Number of arbitrary precision and variable-length encoding.

A base-class for DataType implementations backed by protobuf.

An DataType for interacting with variable-length values encoded using Bytes.putBytes(byte[], int, byte[], int, int).

An DataType that encodes variable-length values encoded using Bytes.putBytes(byte[], int, byte[], int, int).

An DataType for interacting with values encoded using Bytes.putFloat(byte[], int, float).

An DataType for interacting with values encoded using Bytes.putLong(byte[], int, long).

An DataType for interacting with values encoded using Bytes.toBytes(String).

An DataType that encodes variable-length values encoded using Bytes.toBytes(String).

A helper for building Struct instances.

Wraps an existing DataType implementation as a terminated version of itself.

The Union family of DataTypes encode one of a fixed collection of Objects.

Lightweight, reusable class for specifying ranges of byte[]'s.

Utility class that handles byte arrays, conversions to/from other types, comparisons, hash code generation, manufacturing keys for HashMaps or HashSets, etc.

A Bytes.ByteArrayComparator that treats the empty array as the largest value.

High scalable counter.

Deprecated. 

Utility class for converting objects to JSON

One or more variables that together maintain an initially zero long sum.

Used to describe or modify the lexicographical sort order of a byte[].

A generic class for pairs.

Extends ByteRange with additional methods to support tracking a consumers position within the viewport.

A read only version of the ByteRange.

Extends the basic SimpleMutableByteRange implementation with position support and it is a readonly version.

This class finds the Version information for HBase.