org.tikv.common

类 PDClient

java.lang.Object

org.tikv.common.AbstractGRPCClient<PDGrpc.PDBlockingStub,PDGrpc.PDFutureStub>

org.tikv.common.PDClient

所有已实现的接口:

AutoCloseable, ReadOnlyPDClient

public class PDClient
extends AbstractGRPCClient<PDGrpc.PDBlockingStub,PDGrpc.PDFutureStub>
implements ReadOnlyPDClient

字段概要

字段

限定符和类型	字段和说明
static io.prometheus.client.Histogram	PD_GET_REGION_BY_KEY_REQUEST_LATENCY

从类继承的字段 org.tikv.common.AbstractGRPCClient

asyncStub, blockingStub, channelFactory, conf, timeout

方法概要

限定符和类型	方法和说明
void	close()
static ReadOnlyPDClient	create(TiConfiguration conf, RequestKeyCodec codec, ChannelFactory channelFactory)
List<Metapb.Store>	getAllStores(BackOffer backOffer)
protected PDGrpc.PDFutureStub	getAsyncStub()
protected PDGrpc.PDBlockingStub	getBlockingStub()
Long	getClusterId()
RequestKeyCodec	getCodec()
HostMapping	getHostMapping()
List<URI>	getPdAddrs()
Pair<Metapb.Region,Metapb.Peer>	getRegionByID(BackOffer backOffer, long id) Get Region by Region Id
Pair<Metapb.Region,Metapb.Peer>	getRegionByKey(BackOffer backOffer, com.google.protobuf.ByteString key) Get Region from PD by key specified
TiConfiguration.ReplicaRead	getReplicaRead()
Metapb.Store	getStore(BackOffer backOffer, long storeId) Get Store by StoreId
double	getTiFlashReplicaProgress(long tableId)
TiTimestamp	getTimestamp(BackOffer backOffer) Get Timestamp from Placement Driver
Boolean	isCheckerPaused(PDChecker checker)
void	keepPauseChecker(PDChecker checker)
void	resumeChecker(PDChecker checker)
List<Pdpb.Region>	scanRegions(BackOffer backOffer, com.google.protobuf.ByteString startKey, com.google.protobuf.ByteString endKey, int limit)
void	stopKeepPauseChecker(PDChecker checker)
void	tryUpdateLeader()
void	tryUpdateLeaderOrForwardFollower()
Long	updateServiceGCSafePoint(String serviceId, long ttl, long safePoint, BackOffer backOffer) Update ServiceGCSafePoint
void	updateTiFlashReplicaStatus()

从类继承的方法 org.tikv.common.AbstractGRPCClient

callAsyncWithRetry, callServerStreamingWithRetry, callWithRetry, checkHealth, getConf, getTimeout, setTimeout

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

字段详细资料

PD_GET_REGION_BY_KEY_REQUEST_LATENCY

public static final io.prometheus.client.Histogram PD_GET_REGION_BY_KEY_REQUEST_LATENCY

方法详细资料

create

public static ReadOnlyPDClient create(TiConfiguration conf,
                                      RequestKeyCodec codec,
                                      ChannelFactory channelFactory)

getHostMapping

public HostMapping getHostMapping()

指定者:

getHostMapping 在接口中 ReadOnlyPDClient

getTimestamp

public TiTimestamp getTimestamp(BackOffer backOffer)

从接口复制的说明: ReadOnlyPDClient

Get Timestamp from Placement Driver

指定者:

getTimestamp 在接口中 ReadOnlyPDClient

返回:

a timestamp object

keepPauseChecker

public void keepPauseChecker(PDChecker checker)

stopKeepPauseChecker

public void stopKeepPauseChecker(PDChecker checker)

resumeChecker

public void resumeChecker(PDChecker checker)

isCheckerPaused

public Boolean isCheckerPaused(PDChecker checker)

getRegionByKey

public Pair<Metapb.Region,Metapb.Peer> getRegionByKey(BackOffer backOffer,
                                                      com.google.protobuf.ByteString key)

从接口复制的说明: ReadOnlyPDClient

Get Region from PD by key specified

指定者:

getRegionByKey 在接口中 ReadOnlyPDClient

key - key in bytes for locating a region

返回:

the region whose startKey and endKey range covers the given key

getRegionByID

public Pair<Metapb.Region,Metapb.Peer> getRegionByID(BackOffer backOffer,
                                                     long id)

从接口复制的说明: ReadOnlyPDClient

Get Region by Region Id

指定者:

getRegionByID 在接口中 ReadOnlyPDClient

id - Region Id

返回:

the region corresponding to the given Id

scanRegions

public List<Pdpb.Region> scanRegions(BackOffer backOffer,
                                     com.google.protobuf.ByteString startKey,
                                     com.google.protobuf.ByteString endKey,
                                     int limit)

指定者:

scanRegions 在接口中 ReadOnlyPDClient

getStore

public Metapb.Store getStore(BackOffer backOffer,
                             long storeId)

从接口复制的说明: ReadOnlyPDClient

Get Store by StoreId

指定者:

getStore 在接口中 ReadOnlyPDClient

storeId - StoreId

返回:

the Store corresponding to the given Id

getAllStores

public List<Metapb.Store> getAllStores(BackOffer backOffer)

指定者:

getAllStores 在接口中 ReadOnlyPDClient

getReplicaRead

public TiConfiguration.ReplicaRead getReplicaRead()

指定者:

getReplicaRead 在接口中 ReadOnlyPDClient

updateServiceGCSafePoint

public Long updateServiceGCSafePoint(String serviceId,
                                     long ttl,
                                     long safePoint,
                                     BackOffer backOffer)

从接口复制的说明: ReadOnlyPDClient

Update ServiceGCSafePoint

指定者:

updateServiceGCSafePoint 在接口中 ReadOnlyPDClient

参数:

serviceId - ServiceId

ttl - TTL in seconds

safePoint - The TiTimestamp you want to set. Set to start_ts.getPrevious() is a good practice

返回:

the MinSafePoint of all services. If this value is greater than safePoint, it means update failed

close

public void close()
           throws InterruptedException

指定者:

close 在接口中 AutoCloseable

抛出:

InterruptedException

tryUpdateLeaderOrForwardFollower

public void tryUpdateLeaderOrForwardFollower()

tryUpdateLeader

public void tryUpdateLeader()

updateTiFlashReplicaStatus

public void updateTiFlashReplicaStatus()

getTiFlashReplicaProgress

public double getTiFlashReplicaProgress(long tableId)

getBlockingStub

protected PDGrpc.PDBlockingStub getBlockingStub()

指定者:

getBlockingStub 在类中 AbstractGRPCClient<PDGrpc.PDBlockingStub,PDGrpc.PDFutureStub>

getAsyncStub

protected PDGrpc.PDFutureStub getAsyncStub()

指定者:

getAsyncStub 在类中 AbstractGRPCClient<PDGrpc.PDBlockingStub,PDGrpc.PDFutureStub>

getClusterId

public Long getClusterId()

指定者:

getClusterId 在接口中 ReadOnlyPDClient

getPdAddrs

public List<URI> getPdAddrs()

getCodec

public RequestKeyCodec getCodec()

指定者:

getCodec 在接口中 ReadOnlyPDClient