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ObTableClient.java
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/*-
* #%L
* OBKV Table Client Framework
* %%
* Copyright (C) 2021 OceanBase
* %%
* OBKV Table Client Framework is licensed under Mulan PSL v2.
* You can use this software according to the terms and conditions of the Mulan PSL v2.
* You may obtain a copy of Mulan PSL v2 at:
* http://license.coscl.org.cn/MulanPSL2
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PSL v2 for more details.
* #L%
*/
package com.alipay.oceanbase.rpc;
import com.alibaba.fastjson.JSON;
import com.alipay.oceanbase.rpc.checkandmutate.CheckAndInsUp;
import com.alipay.oceanbase.rpc.constant.Constants;
import com.alipay.oceanbase.rpc.exception.*;
import com.alipay.oceanbase.rpc.filter.ObTableFilter;
import com.alipay.oceanbase.rpc.location.model.*;
import com.alipay.oceanbase.rpc.location.model.partition.*;
import com.alipay.oceanbase.rpc.mutation.*;
import com.alipay.oceanbase.rpc.protocol.payload.ObPayload;
import com.alipay.oceanbase.rpc.protocol.payload.Pcodes;
import com.alipay.oceanbase.rpc.protocol.payload.impl.ObRowKey;
import com.alipay.oceanbase.rpc.protocol.payload.impl.execute.*;
import com.alipay.oceanbase.rpc.protocol.payload.impl.execute.aggregation.ObTableAggregation;
import com.alipay.oceanbase.rpc.protocol.payload.impl.execute.mutate.ObTableQueryAndMutate;
import com.alipay.oceanbase.rpc.protocol.payload.impl.execute.mutate.ObTableQueryAndMutateRequest;
import com.alipay.oceanbase.rpc.protocol.payload.impl.execute.mutate.ObTableQueryAndMutateResult;
import com.alipay.oceanbase.rpc.protocol.payload.impl.execute.query.ObBorderFlag;
import com.alipay.oceanbase.rpc.protocol.payload.impl.execute.query.ObNewRange;
import com.alipay.oceanbase.rpc.protocol.payload.impl.execute.query.ObTableQuery;
import com.alipay.oceanbase.rpc.protocol.payload.impl.execute.query.ObTableQueryRequest;
import com.alipay.oceanbase.rpc.protocol.payload.impl.execute.syncquery.ObTableQueryAsyncRequest;
import com.alipay.oceanbase.rpc.table.*;
import com.alipay.oceanbase.rpc.table.api.TableBatchOps;
import com.alipay.oceanbase.rpc.table.api.TableQuery;
import com.alipay.oceanbase.rpc.threadlocal.ThreadLocalMap;
import com.alipay.oceanbase.rpc.util.*;
import com.alipay.remoting.util.StringUtils;
import org.slf4j.Logger;
import javax.sound.midi.SysexMessage;
import java.util.*;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.atomic.AtomicLong;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;
import static com.alipay.oceanbase.rpc.constant.Constants.*;
import static com.alipay.oceanbase.rpc.location.LocationUtil.*;
import static com.alipay.oceanbase.rpc.location.model.ObServerRoute.STRONG_READ;
import static com.alipay.oceanbase.rpc.location.model.TableEntry.HBASE_ROW_KEY_ELEMENT;
import static com.alipay.oceanbase.rpc.location.model.partition.ObPartIdCalculator.*;
import static com.alipay.oceanbase.rpc.property.Property.*;
import static com.alipay.oceanbase.rpc.protocol.payload.impl.execute.ObTableOperationType.*;
import static com.alipay.oceanbase.rpc.util.TableClientLoggerFactory.*;
public class ObTableClient extends AbstractObTableClient implements Lifecycle {
private static final Logger logger = getLogger(ObTableClient.class);
private static final String usernameSeparators = ":;-;.";
private AtomicInteger tableEntryRefreshContinuousFailureCount = new AtomicInteger(
0);
private String dataSourceName;
private String paramURL;
/*
* user name
* Standard format: user@tenant#cluster
* NonStandard format: cluster:tenant:user
*/
private String fullUserName;
private String userName;
private String tenantName;
private String clusterName;
private String password;
private String database;
/*
* sys user auth to access meta table.
*/
private ObUserAuth sysUA = new ObUserAuth(
Constants.PROXY_SYS_USER_NAME,
"");
private volatile OcpModel ocpModel = new OcpModel();
/*
* ServerAddr(all) -> ObTableConnection
*/
private volatile ConcurrentHashMap<ObServerAddr, ObTable> tableRoster = null;
/*
* current tenant server address order by priority desc
* <p>
* be careful about concurrency when change the element
*/
private final ServerRoster serverRoster = new ServerRoster();
private volatile RunningMode runningMode = RunningMode.NORMAL;
/*
* TableName -> TableEntry
*/
private Map<String, TableEntry> tableLocations = new ConcurrentHashMap<String, TableEntry>();
/*
* TableName -> ObIndexinfo
*/
private Map<String, ObIndexInfo> indexinfos = new ConcurrentHashMap<String, ObIndexInfo>();
private ConcurrentHashMap<String, Lock> refreshIndexInfoLocks = new ConcurrentHashMap<String, Lock>();
/*
* TableName -> rowKey element
*/
private Map<String, Map<String, Integer>> tableRowKeyElement = new ConcurrentHashMap<String, Map<String, Integer>>();
private boolean retryOnChangeMasterTimes = true;
/*
* TableName -> Failures/Lock
*/
private ConcurrentHashMap<String, AtomicLong> tableContinuousFailures = new ConcurrentHashMap<String, AtomicLong>();
private ConcurrentHashMap<String, Lock> refreshTableLocks = new ConcurrentHashMap<String, Lock>();
private Lock refreshMetadataLock = new ReentrantLock();
private volatile long lastRefreshMetadataTimestamp;
private volatile boolean initialized = false;
private volatile boolean closed = false;
private ReentrantLock statusLock = new ReentrantLock();
private String currentIDC;
private ObReadConsistency readConsistency = ObReadConsistency.STRONG;
private ObRoutePolicy obRoutePolicy = ObRoutePolicy.IDC_ORDER;
private boolean odpMode = false;
private String odpAddr = "127.0.0.1";
private int odpPort = 2883;
private ObTable odpTable = null;
// tableGroup <-> Table
private ConcurrentHashMap<String, Lock> TableGroupCacheLocks = new ConcurrentHashMap<String, Lock>();
private ConcurrentHashMap<String, String> TableGroupCache = new ConcurrentHashMap<String, String>(); // tableGroup -> Table
private ConcurrentHashMap<String, String> TableGroupInverted = new ConcurrentHashMap<String, String>(); // Table -> tableGroup
private RouteTableRefresher routeTableRefresher;
private Long clientId;
private Map<String, Object> TableConfigs = new HashMap<>();
/*
* Init.
*/
public void init() throws Exception {
if (initialized) {
return;
}
statusLock.lock();
try {
if (initialized) {
return;
}
// 1. init clientId
clientId = Math.abs(UUID.randomUUID().getLeastSignificantBits());
// 2. init table configs map
initTableConfigs();
// 3. init properties
initProperties();
// 4. init metadata
initMetadata();
// 5. run fresh table task
routeTableRefresher = new RouteTableRefresher(this);
routeTableRefresher.start();
initialized = true;
} catch (Throwable t) {
BOOT.warn("failed to init ObTableClient", t);
RUNTIME.warn("failed to init ObTableClient", t);
throw new RuntimeException(t);
} finally {
BOOT.info("init ObTableClient successfully");
statusLock.unlock();
}
}
/*
* Close.
*/
@Override
public void close() throws Exception {
if (closed) {
return;
}
statusLock.lock();
try {
if (closed) {
return;
}
closed = true;
if (routeTableRefresher != null) {
routeTableRefresher.finish();
}
if (tableRoster != null) {
Exception throwException = null;
List<ObServerAddr> exceptionObServers = new ArrayList<ObServerAddr>();
for (Map.Entry<ObServerAddr, ObTable> entry : tableRoster.entrySet()) {
try {
entry.getValue().close();
} catch (Exception e) {
// do not throw exception immediately
BOOT.error(LCD.convert("01-00004"), entry.getKey(), e);
RUNTIME.error(LCD.convert("01-00004"), entry.getKey(), e);
throwException = e;
exceptionObServers.add(entry.getKey());
}
}
if (exceptionObServers.size() > 0) {
StringBuilder sb = new StringBuilder();
sb.append("following ob servers [");
for (int i = 0; i < exceptionObServers.size(); i++) {
if (i != 0) {
sb.append(",");
}
sb.append(exceptionObServers.get(i));
}
sb.append("] close error.");
throw new ObTableCloseException(sb.toString(), throwException);
}
}
if (odpTable != null) {
odpTable.close();
}
} finally {
BOOT.info("ObTableClient is closed");
statusLock.unlock();
}
}
public RouteTableRefresher getRouteTableRefresher() {
return routeTableRefresher;
}
public Map<String, TableEntry> getTableLocations() {
return tableLocations;
}
/*
* Check status.
*/
public void checkStatus() throws IllegalStateException {
if (!initialized) {
throw new IllegalStateException("param url " + paramURL + "fullUserName "
+ fullUserName + " is not initialized");
}
if (closed) {
throw new IllegalStateException("param url " + paramURL + " fullUserName "
+ fullUserName + " is closed");
}
}
public Long getClientId() {
return clientId;
}
public Map<String, Object> getTableConfigs() {
return TableConfigs;
}
private void initTableConfigs() {
TableConfigs.put("client_id", clientId);
TableConfigs.put("runtime", new HashMap<String, String>());
TableConfigs.put("log", new HashMap<String, String>());
TableConfigs.put("route", new HashMap<String, String>());
TableConfigs.put("thread_pool", new HashMap<String, Boolean>());
}
private void initProperties() {
rpcConnectTimeout = parseToInt(RPC_CONNECT_TIMEOUT.getKey(), rpcConnectTimeout);
// metadata.refresh.interval is preferred.
metadataRefreshInterval = parseToLong(METADATA_REFRESH_INTERVAL.getKey(),
metadataRefreshInterval);
metadataRefreshInterval = parseToLong(METADATA_REFRESH_INTERNAL.getKey(),
metadataRefreshInterval);
metadataRefreshLockTimeout = parseToLong(METADATA_REFRESH_LOCK_TIMEOUT.getKey(),
metadataRefreshLockTimeout);
rsListAcquireConnectTimeout = parseToInt(RS_LIST_ACQUIRE_CONNECT_TIMEOUT.getKey(),
rsListAcquireConnectTimeout);
rsListAcquireReadTimeout = parseToInt(RS_LIST_ACQUIRE_READ_TIMEOUT.getKey(),
rsListAcquireReadTimeout);
rsListAcquireTryTimes = parseToInt(RS_LIST_ACQUIRE_TRY_TIMES.getKey(),
rsListAcquireTryTimes);
// rs.list.acquire.retry.interval is preferred.
rsListAcquireRetryInterval = parseToLong(RS_LIST_ACQUIRE_RETRY_INTERVAL.getKey(),
rsListAcquireRetryInterval);
rsListAcquireRetryInterval = parseToLong(RS_LIST_ACQUIRE_RETRY_INTERNAL.getKey(),
rsListAcquireRetryInterval);
tableEntryAcquireConnectTimeout = parseToLong(TABLE_ENTRY_ACQUIRE_CONNECT_TIMEOUT.getKey(),
tableEntryAcquireConnectTimeout);
tableEntryAcquireSocketTimeout = parseToLong(TABLE_ENTRY_ACQUIRE_SOCKET_TIMEOUT.getKey(),
tableEntryAcquireSocketTimeout);
// table.entry.refresh.interval.base is preferred.
tableEntryRefreshIntervalBase = parseToLong(TABLE_ENTRY_REFRESH_INTERVAL_BASE.getKey(),
tableEntryRefreshIntervalBase);
tableEntryRefreshIntervalBase = parseToLong(TABLE_ENTRY_REFRESH_INTERNAL_BASE.getKey(),
tableEntryRefreshIntervalBase);
// table.entry.refresh.interval.ceiling is preferred.
tableEntryRefreshIntervalCeiling = parseToLong(
TABLE_ENTRY_REFRESH_INTERVAL_CEILING.getKey(), tableEntryRefreshIntervalCeiling);
tableEntryRefreshIntervalCeiling = parseToLong(
TABLE_ENTRY_REFRESH_INTERNAL_CEILING.getKey(), tableEntryRefreshIntervalCeiling);
tableEntryRefreshIntervalWait = parseToBoolean(TABLE_ENTRY_REFRESH_INTERVAL_WAIT.getKey(),
tableEntryRefreshIntervalWait);
tableEntryRefreshLockTimeout = parseToLong(TABLE_ENTRY_REFRESH_LOCK_TIMEOUT.getKey(),
tableEntryRefreshLockTimeout);
tableEntryRefreshTryTimes = parseToInt(TABLE_ENTRY_REFRESH_TRY_TIMES.getKey(),
tableEntryRefreshTryTimes);
tableEntryRefreshContinuousFailureCeiling = parseToInt(
TABLE_ENTRY_REFRESH_CONTINUOUS_FAILURE_CEILING.getKey(),
tableEntryRefreshContinuousFailureCeiling);
serverAddressPriorityTimeout = parseToLong(SERVER_ADDRESS_PRIORITY_TIMEOUT.getKey(),
serverAddressPriorityTimeout);
serverAddressCachingTimeout = parseToLong(SERVER_ADDRESS_CACHING_TIMEOUT.getKey(),
serverAddressCachingTimeout);
runtimeContinuousFailureCeiling = parseToInt(RUNTIME_CONTINUOUS_FAILURE_CEILING.getKey(),
runtimeContinuousFailureCeiling);
this.runtimeRetryTimes = parseToInt(RUNTIME_RETRY_TIMES.getKey(), this.runtimeRetryTimes);
runtimeRetryInterval = parseToInt(RUNTIME_RETRY_INTERVAL.getKey(), runtimeRetryInterval);
runtimeMaxWait = parseToLong(RUNTIME_MAX_WAIT.getKey(), runtimeMaxWait);
runtimeBatchMaxWait = parseToLong(RUNTIME_BATCH_MAX_WAIT.getKey(), runtimeBatchMaxWait);
rpcExecuteTimeout = parseToInt(RPC_EXECUTE_TIMEOUT.getKey(), rpcExecuteTimeout);
rpcLoginTimeout = parseToInt(RPC_LOGIN_TIMEOUT.getKey(), rpcLoginTimeout);
slowQueryMonitorThreshold = parseToLong(SLOW_QUERY_MONITOR_THRESHOLD.getKey(),
slowQueryMonitorThreshold);
maxConnExpiredTime = parseToLong(MAX_CONN_EXPIRED_TIME.getKey(), maxConnExpiredTime);
// add configs value to TableConfigs
// runtime
Object value = TableConfigs.get("runtime");
if (value instanceof Map) {
Map<String, String> runtimeMap = (Map<String, String>) value;
runtimeMap.put(RUNTIME_RETRY_TIMES.getKey(), String.valueOf(runtimeRetryTimes));
runtimeMap.put(RPC_EXECUTE_TIMEOUT.getKey(), String.valueOf(rpcExecuteTimeout));
runtimeMap.put(RUNTIME_MAX_WAIT.getKey(), String.valueOf(runtimeMaxWait));
runtimeMap.put(RUNTIME_RETRY_INTERVAL.getKey(), String.valueOf(runtimeRetryInterval));
runtimeMap.put(RUNTIME_RETRY_TIMES.getKey(), String.valueOf(runtimeRetryTimes));
runtimeMap.put(MAX_CONN_EXPIRED_TIME.getKey(), String.valueOf(maxConnExpiredTime));
}
// log
value = TableConfigs.get("log");
if (value instanceof Map) {
Map<String, String> logMap = (Map<String, String>) value;
logMap.put(SLOW_QUERY_MONITOR_THRESHOLD.getKey(), String.valueOf(slowQueryMonitorThreshold));
}
value = TableConfigs.get("route");
if (value instanceof Map) {
Map<String, String> routeMap = (Map<String, String>) value;
routeMap.put(METADATA_REFRESH_INTERVAL.getKey(), String.valueOf(metadataRefreshInterval));
routeMap.put(RUNTIME_CONTINUOUS_FAILURE_CEILING.getKey(), String.valueOf(runtimeContinuousFailureCeiling));
routeMap.put(SERVER_ADDRESS_CACHING_TIMEOUT.getKey(), String.valueOf(serverAddressCachingTimeout));
routeMap.put(SERVER_ADDRESS_PRIORITY_TIMEOUT.getKey(), String.valueOf(serverAddressPriorityTimeout));
routeMap.put(TABLE_ENTRY_ACQUIRE_CONNECT_TIMEOUT.getKey(), String.valueOf(tableEntryAcquireConnectTimeout));
routeMap.put(TABLE_ENTRY_ACQUIRE_SOCKET_TIMEOUT.getKey(), String.valueOf(tableEntryAcquireSocketTimeout));
routeMap.put(TABLE_ENTRY_REFRESH_INTERVAL_BASE.getKey(), String.valueOf(tableEntryRefreshIntervalBase));
routeMap.put(TABLE_ENTRY_REFRESH_INTERVAL_CEILING.getKey(), String.valueOf(tableEntryRefreshIntervalCeiling));
routeMap.put(TABLE_ENTRY_REFRESH_TRY_TIMES.getKey(), String.valueOf(tableEntryRefreshTryTimes));
}
Boolean useExecutor = false;
if (runtimeBatchExecutor != null) {
useExecutor = true;
}
value = TableConfigs.get("thread_pool");
if (value instanceof Map) {
Map<String, Boolean> threadPoolMap = (Map<String, Boolean>) value;
threadPoolMap.put(RUNTIME_BATCH_EXECUTOR.getKey(), useExecutor);
}
}
private void initMetadata() throws Exception {
BOOT.info("begin initMetadata for all tables in database: {}", this.database);
if (odpMode) {
try {
odpTable = new ObTable.Builder(odpAddr, odpPort) //
.setLoginInfo(tenantName, fullUserName, password, database) //
.setProperties(getProperties()).setConfigs(TableConfigs).build();
} catch (Exception e) {
logger
.warn(
"The addr{}:{} failed to put into table roster, the node status may be wrong, Ignore",
odpAddr, odpPort);
throw e;
}
return;
}
this.ocpModel = loadOcpModel(paramURL, dataSourceName, rsListAcquireConnectTimeout,
rsListAcquireReadTimeout, rsListAcquireTryTimes, rsListAcquireRetryInterval);
List<ObServerAddr> servers = new ArrayList<ObServerAddr>();
ConcurrentHashMap<ObServerAddr, ObTable> tableRoster = new ConcurrentHashMap<ObServerAddr, ObTable>();
TableEntryKey rootServerKey = new TableEntryKey(clusterName, tenantName,
OCEANBASE_DATABASE, ALL_DUMMY_TABLE);
List<ObServerAddr> rsList = ocpModel.getObServerAddrs();
BOOT.info("{} success to get rsList, paramURL: {}, rsList: {}，idc2Region: {}",
this.database, paramURL, JSON.toJSON(rsList), JSON.toJSON(ocpModel.getIdc2Region()));
TableEntry tableEntry = loadTableEntryRandomly(rsList,//
rootServerKey,//
tableEntryAcquireConnectTimeout,//
tableEntryAcquireSocketTimeout, sysUA, initialized);
BOOT.info("{} success to get tableEntry with rootServerKey all_dummy_tables {}",
this.database, JSON.toJSON(tableEntry));
List<ReplicaLocation> replicaLocations = tableEntry.getTableLocation()
.getReplicaLocations();
BOOT.info("{} success to get replicaLocation {}", this.database,
JSON.toJSON(replicaLocations));
for (ReplicaLocation replicaLocation : replicaLocations) {
ObServerInfo info = replicaLocation.getInfo();
ObServerAddr addr = replicaLocation.getAddr();
if (!info.isActive()) {
BOOT.warn("will not init location {} because status is {}", addr.toString(),
info.getStatus());
continue;
}
// 忽略初始化建连失败，否则client会初始化失败，导致应用无法启动的问题
// 初始化建连失败(可能性较小)，如果后面这台server恢复，数据路由失败，就会重新刷新metadata
// 在失败100次后(RUNTIME_CONTINUOUS_FAILURE_CEILING)，重新刷新建连
// 本地cache 1小时超时后(SERVER_ADDRESS_CACHING_TIMEOUT)，重新刷新建连
// 应急可以直接observer切主
try {
ObTable obTable = new ObTable.Builder(addr.getIp(), addr.getSvrPort()) //
.setLoginInfo(tenantName, userName, password, database) //
.setProperties(getProperties()).setConfigs(TableConfigs).build();
tableRoster.put(addr, obTable);
servers.add(addr);
} catch (Exception e) {
BOOT.warn(
"The addr{}:{} failed to put into table roster, the node status may be wrong, Ignore",
addr.getIp(), addr.getSvrPort());
RUNTIME.warn("initMetadata meet exception", e);
e.printStackTrace();
}
}
if (servers.isEmpty()) {
BOOT.error("{} failed to connect any replicaLocation server: {}", this.database,
JSON.toJSON(replicaLocations));
throw new Exception("failed to connect any replicaLocation server");
}
BOOT.info("{} success to build server connection {}", this.database, JSON.toJSON(servers));
this.tableRoster = tableRoster;
this.serverRoster.reset(servers);
// Get Server LDC info for weak read consistency.
if (StringUtil.isEmpty(currentIDC)) {
currentIDC = ZoneUtil.getCurrentIDC();
}
String regionFromOcp = ocpModel.getIdc2Region(currentIDC);
BOOT.info("{} success get currentIDC {}, regionFromOcp {}", this.database, currentIDC,
regionFromOcp);
List<ObServerLdcItem> ldcServers = getServerLdc(serverRoster,
tableEntryAcquireConnectTimeout, tableEntryAcquireSocketTimeout,
serverAddressPriorityTimeout, serverAddressCachingTimeout, sysUA);
this.serverRoster.resetServerLdc(ObServerLdcLocation.buildLdcLocation(ldcServers,
currentIDC, regionFromOcp));
if (BOOT.isInfoEnabled()) {
BOOT.info("{} finish refresh serverRoster: {}", this.database,
JSON.toJSON(serverRoster));
BOOT.info("finish initMetadata for all tables for database {}", this.database);
}
this.lastRefreshMetadataTimestamp = System.currentTimeMillis();
}
public boolean isOdpMode() {
return odpMode;
}
public void setOdpMode(boolean odpMode) {
this.odpMode = odpMode;
}
public ObTable getOdpTable() {
return this.odpTable;
}
private abstract class TableExecuteCallback<T> {
private final Object[] rowKey;
TableExecuteCallback(Object[] rowKey) {
this.rowKey = rowKey;
}
void checkObTableOperationResult(String ip, int port, ObPayload request, ObPayload result) {
if (result == null) {
RUNTIME.error("client get unexpected NULL result");
throw new ObTableException("client get unexpected NULL result");
}
if (!(result instanceof ObTableOperationResult)) {
RUNTIME.error("client get unexpected result: " + result.getClass().getName());
throw new ObTableException("client get unexpected result: "
+ result.getClass().getName());
}
ObTableOperationResult obTableOperationResult = (ObTableOperationResult) result;
ObTableOperationRequest obTableOperationRequest = (ObTableOperationRequest) request;
obTableOperationResult.setExecuteHost(ip);
obTableOperationResult.setExecutePort(port);
long sequence = obTableOperationResult.getSequence() == 0 ? obTableOperationRequest
.getSequence() : obTableOperationResult.getSequence();
long uniqueId = obTableOperationResult.getUniqueId() == 0 ? obTableOperationRequest
.getUniqueId() : obTableOperationResult.getUniqueId();
ExceptionUtil.throwObTableException(ip, port, sequence, uniqueId,
obTableOperationResult.getHeader().getErrno(), obTableOperationResult.getHeader()
.getErrMsg());
}
void checkObTableQueryAndMutateResult(String ip, int port, ObPayload result) {
if (result == null) {
RUNTIME.error("client get unexpected NULL result");
throw new ObTableException("client get unexpected NULL result");
}
if (!(result instanceof ObTableQueryAndMutateResult)) {
RUNTIME.error("client get unexpected result: " + result.getClass().getName());
throw new ObTableException("client get unexpected result: "
+ result.getClass().getName());
}
// TODO: Add func like throwObTableException()
// which will output the ip / port / error information
}
abstract T execute(ObPair<Long, ObTableParam> obTable) throws Exception;
/*
* Get row key.
*/
public Object[] getRowKey() {
return this.rowKey;
}
}
private <T> T execute(String tableName, TableExecuteCallback<T> callback) throws Exception {
// force strong read by default, for backward compatibility.
return execute(tableName, callback, getRoute(false));
}
/**
* Execute with a route strategy.
*/
private <T> T execute(String tableName, TableExecuteCallback<T> callback, ObServerRoute route)
throws Exception {
if (tableName == null || tableName.isEmpty()) {
throw new IllegalArgumentException("table name is null");
}
boolean needRefreshTableEntry = false;
boolean needFetchAllRouteInfo = false;
int tryTimes = 0;
long startExecute = System.currentTimeMillis();
while (true) {
checkStatus();
long currentExecute = System.currentTimeMillis();
long costMillis = currentExecute - startExecute;
if (costMillis > runtimeMaxWait) {
throw new ObTableTimeoutExcetion("it has tried " + tryTimes
+ " times and it has waited " + costMillis
+ "/ms which exceeds response timeout "
+ runtimeMaxWait + "/ms");
}
tryTimes++;
ObPair<Long, ObTableParam> obPair = null;
try {
if (odpMode) {
obPair = new ObPair<Long, ObTableParam>(0L, new ObTableParam(odpTable));
} else {
obPair = getTable(tableName, callback.getRowKey(),
needRefreshTableEntry, tableEntryRefreshIntervalWait,
needFetchAllRouteInfo, route);
}
T t = callback.execute(obPair);
resetExecuteContinuousFailureCount(tableName);
return t;
} catch (Exception ex) {
RUNTIME.error("execute while meet exception", ex);
if (odpMode) {
if ((tryTimes - 1) < runtimeRetryTimes) {
if (ex instanceof ObTableException) {
logger
.warn(
"execute while meet Exception, errorCode: {} , errorMsg: {}, try times {}",
((ObTableException) ex).getErrorCode(), ex.getMessage(),
tryTimes);
} else {
logger.warn("execute while meet Exception, errorMsg: {}, try times {}",
ex.getMessage(), tryTimes);
}
} else {
throw ex;
}
} else {
if (ex instanceof ObTableReplicaNotReadableException) {
if (obPair != null && (tryTimes - 1) < runtimeRetryTimes) {
logger.warn("retry when replica not readable: {}", ex.getMessage());
if (!odpMode) {
route.addToBlackList(obPair.getRight().getObTable().getIp());
}
} else {
logger.warn("exhaust retry when replica not readable: {}",
ex.getMessage());
RUNTIME.error("replica not readable", ex);
throw ex;
}
} else if (ex instanceof ObTableException
&& ((ObTableException) ex).isNeedRefreshTableEntry()) {
needRefreshTableEntry = true;
logger
.warn(
"refresh table while meet Exception needing refresh, errorCode: {}, errorMsg: {}",
((ObTableException) ex).getErrorCode(), ex.getMessage());
if (retryOnChangeMasterTimes && (tryTimes - 1) < runtimeRetryTimes) {
logger
.warn(
"retry while meet Exception needing refresh, errorCode: {} , errorMsg: {},retry times {}",
((ObTableException) ex).getErrorCode(), ex.getMessage(),
tryTimes);
if (ex instanceof ObTableNeedFetchAllException) {
needFetchAllRouteInfo = true;
getOrRefreshTableEntry(tableName, true, true, true);
// reset failure count while fetch all route info
this.resetExecuteContinuousFailureCount(tableName);
}
} else {
calculateContinuousFailure(tableName, ex.getMessage());
throw ex;
}
} else {
calculateContinuousFailure(tableName, ex.getMessage());
throw ex;
}
}
}
Thread.sleep(runtimeRetryInterval);
}
}
private abstract class MutationExecuteCallback<T> {
private final Row rowKey;
private final List<ObNewRange> keyRanges;
MutationExecuteCallback(Row rowKey, List<ObNewRange> keyRanges) {
this.rowKey = rowKey;
this.keyRanges = keyRanges;
}
void checkResult(String ip, int port, ObPayload request, ObPayload result) {
if (result == null) {
RUNTIME.error("client get unexpected NULL result");
throw new ObTableException("client get unexpected NULL result");
}
if (result instanceof ObTableOperationResult) {
ObTableOperationResult obTableOperationResult = (ObTableOperationResult) result;
ObTableOperationRequest obTableOperationRequest = (ObTableOperationRequest) request;
obTableOperationResult.setExecuteHost(ip);
obTableOperationResult.setExecutePort(port);
long sequence = obTableOperationResult.getSequence() == 0 ? obTableOperationRequest
.getSequence() : obTableOperationResult.getSequence();
long uniqueId = obTableOperationResult.getUniqueId() == 0 ? obTableOperationRequest
.getUniqueId() : obTableOperationResult.getUniqueId();
ExceptionUtil.throwObTableException(ip, port, sequence, uniqueId,
obTableOperationResult.getHeader().getErrno(), obTableOperationResult
.getHeader().getErrMsg());
} else if (result instanceof ObTableQueryAndMutateResult) {
// TODO: Add func like throwObTableException()
// which will output the ip / port / error information
} else {
RUNTIME.error("client get unexpected result: " + result.getClass().getName());
throw new ObTableException("client get unexpected result: "
+ result.getClass().getName());
}
}
abstract T execute(ObPair<Long, ObTableParam> obTable) throws Exception;
/*
* Get row key.
*/
public Row getRowKey() {
return rowKey;
}
/*
* Get key ranges.
*/
public List<ObNewRange> getKeyRanges() {
return keyRanges;
}
}
/**
* For mutation
*/
private <T> T executeMutation(String tableName, MutationExecuteCallback<T> callback)
throws Exception {
// force strong read by default, for backward compatibility.
return executeMutation(tableName, callback, getRoute(false));
}
/**
* Execute with a route strategy for mutation
*/
private <T> T executeMutation(String tableName, MutationExecuteCallback<T> callback,
ObServerRoute route) throws Exception {
if (tableName == null || tableName.isEmpty()) {
throw new IllegalArgumentException("table name is null");
}
boolean needRefreshTableEntry = false;
int tryTimes = 0;
long startExecute = System.currentTimeMillis();
while (true) {
checkStatus();
long currentExecute = System.currentTimeMillis();
long costMillis = currentExecute - startExecute;
if (costMillis > runtimeMaxWait) {
throw new ObTableTimeoutExcetion("it has tried " + tryTimes
+ " times and it has waited " + costMillis
+ "/ms which exceeds response timeout "
+ runtimeMaxWait + "/ms");
}
tryTimes++;
ObPair<Long, ObTableParam> obPair = null;
try {
if (odpMode) {
obPair = new ObPair<Long, ObTableParam>(0L, new ObTableParam(odpTable));
} else {
if (null != callback.getRowKey()) {
// in the case of retry, the location always needs to be refreshed here
if (tryTimes > 1) {
TableEntry entry = getOrRefreshTableEntry(tableName, false, false, false);
Long partId = getPartition(entry, callback.getRowKey());
refreshTableLocationByTabletId(entry, tableName, getTabletIdByPartId(entry, partId));
}
// using row key
obPair = getTable(tableName, callback.getRowKey(), needRefreshTableEntry, tableEntryRefreshIntervalWait, false, route);
} else if (null != callback.getKeyRanges()) {
// using scan range
obPair = getTable(tableName, new ObTableQuery(),
callback.getKeyRanges());
} else {
throw new ObTableException("rowkey and scan range are null in mutation");
}
}
T t = callback.execute(obPair);
resetExecuteContinuousFailureCount(tableName);
return t;
} catch (Exception ex) {
RUNTIME.error("execute while meet exception", ex);
if (odpMode) {
if ((tryTimes - 1) < runtimeRetryTimes) {
if (ex instanceof ObTableException) {
logger
.warn(
"execute while meet Exception, errorCode: {} , errorMsg: {}, try times {}",
((ObTableException) ex).getErrorCode(), ex.getMessage(),
tryTimes);
} else {
logger.warn(
"execute while meet Exception, exception: {}, try times {}", ex,
tryTimes);
}
} else {
throw ex;
}
} else {
if (ex instanceof ObTableReplicaNotReadableException) {
if (obPair != null && (tryTimes - 1) < runtimeRetryTimes) {
logger.warn("retry when replica not readable: {}", ex.getMessage());
if (!odpMode) {
route.addToBlackList(obPair.getRight().getObTable().getIp());
}
} else {
logger.warn("exhaust retry when replica not readable: {}",
ex.getMessage());
RUNTIME.error("replica not readable", ex);
throw ex;
}
} else if (ex instanceof ObTableException
&& ((ObTableException) ex).isNeedRefreshTableEntry()) {
// if the problem is the lack of row key name, throw directly
if (tableRowKeyElement.get(tableName) == null) {
throw ex;
}
needRefreshTableEntry = true;
logger
.warn(
"refresh table while meet Exception needing refresh, errorCode: {}, errorMsg: {}",
((ObTableException) ex).getErrorCode(), ex.getMessage());
if (retryOnChangeMasterTimes && (tryTimes - 1) < runtimeRetryTimes) {
logger
.warn(
"retry while meet Exception needing refresh, errorCode: {} , errorMsg: {},retry times {}",
((ObTableException) ex).getErrorCode(), ex.getMessage(),
tryTimes);
if (ex instanceof ObTableNeedFetchAllException) {
getOrRefreshTableEntry(tableName, needRefreshTableEntry, isTableEntryRefreshIntervalWait(), true);
// reset failure count while fetch all route info
this.resetExecuteContinuousFailureCount(tableName);
}
} else {
calculateContinuousFailure(tableName, ex.getMessage());
throw ex;
}
} else {
calculateContinuousFailure(tableName, ex.getMessage());
throw ex;
}
}
}
Thread.sleep(runtimeRetryInterval);
}
}
/**
* Calculate continuous failure.
* @param tableName table name
* @param errorMsg err msg
* @throws Exception if failed
*/
public void calculateContinuousFailure(String tableName, String errorMsg) throws Exception {
AtomicLong tempFailures = new AtomicLong();
AtomicLong failures = tableContinuousFailures.putIfAbsent(tableName, tempFailures);
failures = (failures == null) ? tempFailures : failures; // check the first failure
if (failures.incrementAndGet() > runtimeContinuousFailureCeiling) {
logger.warn("refresh table entry {} while execute failed times exceeded {}, msg: {}",
tableName, runtimeContinuousFailureCeiling, errorMsg);
getOrRefreshTableEntry(tableName, true, isTableEntryRefreshIntervalWait(), true);
failures.set(0);
} else {
logger.warn("error msg: {}, current continues failure count: {}", errorMsg, failures);
}
}
/**
* Reset execute continuous failure count.
* @param tableName table name
*/
public void resetExecuteContinuousFailureCount(String tableName) {
AtomicLong failures = tableContinuousFailures.get(tableName);
if (failures != null) {
failures.set(0);
}
}
/**
* refresh all ob server synchronized just in case rslist has changed, it will not refresh if last refresh time is 1 min ago
* <p>
* 1. cannot find table from tables, need refresh tables
* 2. server list refresh failed: {see com.alipay.oceanbase.obproxy.resource.ObServerStateProcessor#MAX_REFRESH_FAILURE}
*
* @throws Exception if fail
*/
public void syncRefreshMetadata() throws Exception {
if (System.currentTimeMillis() - lastRefreshMetadataTimestamp < metadataRefreshInterval) {
logger
.warn(
"try to lock metadata refreshing, it has refresh at: {}, dataSourceName: {}, url: {}",
lastRefreshMetadataTimestamp, dataSourceName, paramURL);
return;
}
boolean acquired = refreshMetadataLock.tryLock(metadataRefreshLockTimeout,
TimeUnit.MILLISECONDS);
if (!acquired) {
// TODO exception should be classified
String errMsg = "try to lock metadata refreshing timeout " + "dataSource:"
+ dataSourceName + " + refresh timeout:" + tableEntryRefreshLockTimeout
+ ".";
RUNTIME.error(errMsg);
throw new ObTableGetException(errMsg);
}
try {
if (System.currentTimeMillis() - lastRefreshMetadataTimestamp < metadataRefreshInterval) {
logger.warn("it has refresh metadata at: {}, dataSourceName: {}, url: {}",
lastRefreshMetadataTimestamp, dataSourceName, paramURL);
return;
}
if (logger.isInfoEnabled()) {
logger.info("start refresh metadata, ts: {}, dataSourceName: {}, url: {}",
lastRefreshMetadataTimestamp, dataSourceName, paramURL);
}
this.ocpModel = loadOcpModel(paramURL, //
dataSourceName,//
rsListAcquireConnectTimeout,//
rsListAcquireReadTimeout,//
rsListAcquireTryTimes, //
rsListAcquireRetryInterval);
TableEntryKey allDummyKey = new TableEntryKey(clusterName, tenantName,
OCEANBASE_DATABASE, ALL_DUMMY_TABLE);
List<ObServerAddr> rsList = ocpModel.getObServerAddrs();
TableEntry tableEntry = loadTableEntryRandomly(rsList,//
allDummyKey,//
tableEntryAcquireConnectTimeout,//
tableEntryAcquireSocketTimeout, sysUA, initialized);
List<ReplicaLocation> replicaLocations = tableEntry.getTableLocation()
.getReplicaLocations();
// update new ob table
List<ObServerAddr> servers = new ArrayList<ObServerAddr>();
for (ReplicaLocation replicaLocation : replicaLocations) {
ObServerAddr addr = replicaLocation.getAddr();
ObServerInfo info = replicaLocation.getInfo();
if (!info.isActive()) {
logger.warn("will not refresh location {} because status is {} stop time {}",
addr.toString(), info.getStatus(), info.getStopTime());
continue;
}
servers.add(addr);
if (tableRoster.containsKey(addr)) { // has ob table addr, continue
continue;
}
ObTable obTable = new ObTable.Builder(addr.getIp(), addr.getSvrPort()) //
.setLoginInfo(tenantName, userName, password, database) //
.setProperties(getProperties()).setConfigs(getTableConfigs())
.build();
ObTable oldObTable = tableRoster.putIfAbsent(addr, obTable); // not control concurrency
logger.warn("add new table addr, {}", addr.toString());
if (oldObTable != null) { // maybe create two ob table concurrently, close current ob table
obTable.close();
}
}
// clean useless ob table
for (ObServerAddr addr : tableRoster.keySet()) {