| 程序包 | 说明 |
|---|---|
| org.apache.hadoop.hbase.coprocessor |
Table of Contents
Overview
Coprocessor
RegionObserver
Endpoint
Coprocessor loading
Overview
Coprocessors are code that runs in-process on each region server.
|
| org.apache.hadoop.hbase.io | |
| org.apache.hadoop.hbase.io.hfile |
Provides implementations of
HFile and HFile
BlockCache. |
| org.apache.hadoop.hbase.regionserver |
| 限定符和类型 | 方法和说明 |
|---|---|
default StoreFileReader |
RegionObserver.postStoreFileReaderOpen(ObserverContext<RegionCoprocessorEnvironment> ctx,
org.apache.hadoop.fs.FileSystem fs,
org.apache.hadoop.fs.Path p,
FSDataInputStreamWrapper in,
long size,
CacheConfig cacheConf,
Reference r,
StoreFileReader reader)
已过时。
For Phoenix only, StoreFileReader is not a stable interface.
|
default StoreFileReader |
RegionObserver.preStoreFileReaderOpen(ObserverContext<RegionCoprocessorEnvironment> ctx,
org.apache.hadoop.fs.FileSystem fs,
org.apache.hadoop.fs.Path p,
FSDataInputStreamWrapper in,
long size,
CacheConfig cacheConf,
Reference r,
StoreFileReader reader)
已过时。
For Phoenix only, StoreFileReader is not a stable interface.
|
| 构造器和说明 |
|---|
HalfStoreFileReader(org.apache.hadoop.fs.FileSystem fs,
org.apache.hadoop.fs.Path p,
FSDataInputStreamWrapper in,
long size,
CacheConfig cacheConf,
Reference r,
boolean isPrimaryReplicaStoreFile,
AtomicInteger refCount,
boolean shared,
org.apache.hadoop.conf.Configuration conf)
Creates a half file reader for a hfile referred to by an hfilelink.
|
| 限定符和类型 | 方法和说明 |
|---|---|
protected HFileContext |
HFileReaderImpl.createHFileContext(FSDataInputStreamWrapper fsdis,
long fileSize,
HFileSystem hfs,
org.apache.hadoop.fs.Path path,
FixedFileTrailer trailer) |
static HFile.Reader |
HFile.createReader(org.apache.hadoop.fs.FileSystem fs,
org.apache.hadoop.fs.Path path,
FSDataInputStreamWrapper fsdis,
long size,
CacheConfig cacheConf,
boolean primaryReplicaReader,
org.apache.hadoop.conf.Configuration conf)
The sockets and the file descriptors held by the method parameter
FSDataInputStreamWrapper passed will be freed after its usage so caller needs to ensure
that no other threads have access to the same passed reference. |
| 构造器和说明 |
|---|
HFileReaderImpl(org.apache.hadoop.fs.Path path,
FixedFileTrailer trailer,
FSDataInputStreamWrapper fsdis,
long fileSize,
CacheConfig cacheConf,
HFileSystem hfs,
boolean primaryReplicaReader,
org.apache.hadoop.conf.Configuration conf)
Opens a HFile.
|
HFileReaderImpl(org.apache.hadoop.fs.Path path,
FixedFileTrailer trailer,
FSDataInputStreamWrapper fsdis,
long fileSize,
CacheConfig cacheConf,
HFileSystem hfs,
org.apache.hadoop.conf.Configuration conf)
已过时。
|
| 限定符和类型 | 方法和说明 |
|---|---|
StoreFileReader |
RegionCoprocessorHost.postStoreFileReaderOpen(org.apache.hadoop.fs.FileSystem fs,
org.apache.hadoop.fs.Path p,
FSDataInputStreamWrapper in,
long size,
CacheConfig cacheConf,
Reference r,
StoreFileReader reader) |
StoreFileReader |
RegionCoprocessorHost.preStoreFileReaderOpen(org.apache.hadoop.fs.FileSystem fs,
org.apache.hadoop.fs.Path p,
FSDataInputStreamWrapper in,
long size,
CacheConfig cacheConf,
Reference r) |
| 构造器和说明 |
|---|
StoreFileReader(org.apache.hadoop.fs.FileSystem fs,
org.apache.hadoop.fs.Path path,
FSDataInputStreamWrapper in,
long size,
CacheConfig cacheConf,
boolean primaryReplicaStoreFile,
AtomicInteger refCount,
boolean shared,
org.apache.hadoop.conf.Configuration conf) |
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