/
CMManager.java
1730 lines (1599 loc) · 65.3 KB
/
CMManager.java
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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.iotdb.cluster.metadata;
import org.apache.iotdb.cluster.client.async.AsyncDataClient;
import org.apache.iotdb.cluster.client.sync.SyncClientAdaptor;
import org.apache.iotdb.cluster.client.sync.SyncDataClient;
import org.apache.iotdb.cluster.config.ClusterDescriptor;
import org.apache.iotdb.cluster.coordinator.Coordinator;
import org.apache.iotdb.cluster.exception.CheckConsistencyException;
import org.apache.iotdb.cluster.exception.UnsupportedPlanException;
import org.apache.iotdb.cluster.partition.PartitionGroup;
import org.apache.iotdb.cluster.query.manage.QueryCoordinator;
import org.apache.iotdb.cluster.rpc.thrift.GetAllPathsResult;
import org.apache.iotdb.cluster.rpc.thrift.Node;
import org.apache.iotdb.cluster.rpc.thrift.RaftNode;
import org.apache.iotdb.cluster.server.RaftServer;
import org.apache.iotdb.cluster.server.member.DataGroupMember;
import org.apache.iotdb.cluster.server.member.MetaGroupMember;
import org.apache.iotdb.db.conf.IoTDBConstant;
import org.apache.iotdb.db.conf.IoTDBDescriptor;
import org.apache.iotdb.db.exception.metadata.IllegalPathException;
import org.apache.iotdb.db.exception.metadata.MetadataException;
import org.apache.iotdb.db.exception.metadata.PathAlreadyExistException;
import org.apache.iotdb.db.exception.metadata.PathNotExistException;
import org.apache.iotdb.db.exception.metadata.StorageGroupNotSetException;
import org.apache.iotdb.db.metadata.MManager;
import org.apache.iotdb.db.metadata.PartialPath;
import org.apache.iotdb.db.metadata.VectorPartialPath;
import org.apache.iotdb.db.metadata.lastCache.LastCacheManager;
import org.apache.iotdb.db.metadata.mnode.IMNode;
import org.apache.iotdb.db.metadata.mnode.IMeasurementMNode;
import org.apache.iotdb.db.metadata.mnode.InternalMNode;
import org.apache.iotdb.db.metadata.mnode.MeasurementMNode;
import org.apache.iotdb.db.metadata.utils.MetaUtils;
import org.apache.iotdb.db.qp.constant.SQLConstant;
import org.apache.iotdb.db.qp.physical.BatchPlan;
import org.apache.iotdb.db.qp.physical.PhysicalPlan;
import org.apache.iotdb.db.qp.physical.crud.InsertMultiTabletPlan;
import org.apache.iotdb.db.qp.physical.crud.InsertPlan;
import org.apache.iotdb.db.qp.physical.crud.InsertRowPlan;
import org.apache.iotdb.db.qp.physical.crud.InsertRowsOfOneDevicePlan;
import org.apache.iotdb.db.qp.physical.crud.InsertRowsPlan;
import org.apache.iotdb.db.qp.physical.crud.InsertTabletPlan;
import org.apache.iotdb.db.qp.physical.crud.SetSchemaTemplatePlan;
import org.apache.iotdb.db.qp.physical.sys.CreateAlignedTimeSeriesPlan;
import org.apache.iotdb.db.qp.physical.sys.CreateMultiTimeSeriesPlan;
import org.apache.iotdb.db.qp.physical.sys.CreateTimeSeriesPlan;
import org.apache.iotdb.db.qp.physical.sys.SetStorageGroupPlan;
import org.apache.iotdb.db.qp.physical.sys.ShowDevicesPlan;
import org.apache.iotdb.db.qp.physical.sys.ShowTimeSeriesPlan;
import org.apache.iotdb.db.query.context.QueryContext;
import org.apache.iotdb.db.query.dataset.ShowDevicesResult;
import org.apache.iotdb.db.query.dataset.ShowTimeSeriesResult;
import org.apache.iotdb.db.service.IoTDB;
import org.apache.iotdb.db.utils.TypeInferenceUtils;
import org.apache.iotdb.rpc.TSStatusCode;
import org.apache.iotdb.service.rpc.thrift.TSStatus;
import org.apache.iotdb.tsfile.common.cache.LRUCache;
import org.apache.iotdb.tsfile.common.conf.TSFileDescriptor;
import org.apache.iotdb.tsfile.common.constant.TsFileConstant;
import org.apache.iotdb.tsfile.file.metadata.enums.CompressionType;
import org.apache.iotdb.tsfile.file.metadata.enums.TSDataType;
import org.apache.iotdb.tsfile.file.metadata.enums.TSEncoding;
import org.apache.iotdb.tsfile.read.TimeValuePair;
import org.apache.iotdb.tsfile.utils.Pair;
import org.apache.iotdb.tsfile.write.schema.IMeasurementSchema;
import org.apache.iotdb.tsfile.write.schema.VectorMeasurementSchema;
import org.apache.thrift.TException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.ByteArrayOutputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.lang.reflect.Array;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import java.util.concurrent.ConcurrentSkipListSet;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.concurrent.LinkedBlockingDeque;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.locks.ReentrantReadWriteLock;
import java.util.function.Supplier;
import java.util.stream.Collectors;
import static org.apache.iotdb.cluster.query.ClusterPlanExecutor.LOG_FAIL_CONNECT;
import static org.apache.iotdb.cluster.query.ClusterPlanExecutor.THREAD_POOL_SIZE;
import static org.apache.iotdb.cluster.query.ClusterPlanExecutor.waitForThreadPool;
import static org.apache.iotdb.cluster.utils.ClusterQueryUtils.getAssembledPathFromRequest;
import static org.apache.iotdb.cluster.utils.ClusterQueryUtils.getPathStrListForRequest;
import static org.apache.iotdb.db.utils.EncodingInferenceUtils.getDefaultEncoding;
@SuppressWarnings("java:S1135") // ignore todos
public class CMManager extends MManager {
private static final Logger logger = LoggerFactory.getLogger(CMManager.class);
private ReentrantReadWriteLock cacheLock = new ReentrantReadWriteLock();
// only cache the series who is writing, we need not to cache series who is reading
// because the read is slow, so pull from remote is little cost comparing to the disk io
private RemoteMetaCache mRemoteMetaCache;
private MetaPuller metaPuller;
private MetaGroupMember metaGroupMember;
private Coordinator coordinator;
private CMManager() {
super();
metaPuller = MetaPuller.getInstance();
int remoteCacheSize = config.getmRemoteSchemaCacheSize();
mRemoteMetaCache = new RemoteMetaCache(remoteCacheSize);
}
private static class MManagerHolder {
private MManagerHolder() {
// allowed to do nothing
}
private static final CMManager INSTANCE = new CMManager();
}
/**
* we should not use this function in other place, but only in IoTDB class
*
* @return
*/
public static CMManager getInstance() {
return CMManager.MManagerHolder.INSTANCE;
}
/**
* sync meta leader to get the newest partition table and storage groups.
*
* @throws MetadataException throws MetadataException if necessary
*/
public void syncMetaLeader() throws MetadataException {
try {
metaGroupMember.syncLeaderWithConsistencyCheck(false);
} catch (CheckConsistencyException e) {
throw new MetadataException(e);
}
}
@Override
public String deleteTimeseries(PartialPath pathPattern) throws MetadataException {
cacheLock.writeLock().lock();
mRemoteMetaCache.removeItem(pathPattern);
cacheLock.writeLock().unlock();
return super.deleteTimeseries(pathPattern);
}
@Override
public void deleteStorageGroups(List<PartialPath> storageGroups) throws MetadataException {
cacheLock.writeLock().lock();
for (PartialPath storageGroup : storageGroups) {
mRemoteMetaCache.removeItem(storageGroup);
}
cacheLock.writeLock().unlock();
super.deleteStorageGroups(storageGroups);
}
@Override
public TSDataType getSeriesType(PartialPath fullPath) throws MetadataException {
if (fullPath.equals(SQLConstant.TIME_PATH)) {
return TSDataType.INT64;
}
String measurement = fullPath.getMeasurement();
if (fullPath instanceof VectorPartialPath) {
if (((VectorPartialPath) fullPath).getSubSensorsList().size() != 1) {
return TSDataType.VECTOR;
} else {
measurement = ((VectorPartialPath) fullPath).getSubSensor(0);
}
}
// try remote cache first
try {
cacheLock.readLock().lock();
IMeasurementMNode measurementMNode = mRemoteMetaCache.get(fullPath);
if (measurementMNode != null) {
return measurementMNode.getDataType(measurement);
}
} finally {
cacheLock.readLock().unlock();
}
// try local MTree
TSDataType seriesType;
try {
seriesType = super.getSeriesType(fullPath);
} catch (PathNotExistException e) {
// pull from remote node
List<IMeasurementSchema> schemas =
metaPuller.pullMeasurementSchemas(Collections.singletonList(fullPath));
if (!schemas.isEmpty()) {
IMeasurementSchema measurementSchema = schemas.get(0);
IMeasurementMNode measurementMNode =
MeasurementMNode.getMeasurementMNode(
null, measurementSchema.getMeasurementId(), measurementSchema, null);
if (measurementSchema instanceof VectorMeasurementSchema) {
for (String subMeasurement : measurementSchema.getSubMeasurementsList()) {
cacheMeta(
new VectorPartialPath(fullPath.getDevice(), subMeasurement),
measurementMNode,
false);
}
} else {
cacheMeta(fullPath, measurementMNode, true);
}
return measurementMNode.getDataType(measurement);
} else {
throw e;
}
}
return seriesType;
}
@Override
public IMeasurementSchema getSeriesSchema(PartialPath fullPath) throws MetadataException {
return super.getSeriesSchema(fullPath, getMeasurementMNode(fullPath));
}
@Override
public IMeasurementMNode getMeasurementMNode(PartialPath fullPath) throws MetadataException {
IMeasurementMNode node = null;
// try remote cache first
try {
cacheLock.readLock().lock();
IMeasurementMNode measurementMNode = mRemoteMetaCache.get(fullPath);
if (measurementMNode != null) {
node = measurementMNode;
}
} finally {
cacheLock.readLock().unlock();
}
if (node == null) {
// try local MTree
try {
node = super.getMeasurementMNode(fullPath);
} catch (PathNotExistException e) {
// pull from remote node
List<IMeasurementSchema> schemas =
metaPuller.pullMeasurementSchemas(Collections.singletonList(fullPath));
if (!schemas.isEmpty()) {
IMeasurementSchema measurementSchema = schemas.get(0);
IMeasurementMNode measurementMNode =
MeasurementMNode.getMeasurementMNode(
null, measurementSchema.getMeasurementId(), measurementSchema, null);
cacheMeta(fullPath, measurementMNode, true);
node = measurementMNode;
} else {
throw e;
}
}
}
return node;
}
/**
* the {@link org.apache.iotdb.db.writelog.recover.LogReplayer#replayLogs(Supplier)} will call
* this to get schema after restart we should retry to get schema util we get the schema.
*
* @param deviceId the device id.
* @param measurements the measurements.
*/
@Override
public IMeasurementMNode[] getMeasurementMNodes(PartialPath deviceId, String[] measurements)
throws MetadataException {
try {
return super.getMeasurementMNodes(deviceId, measurements);
} catch (MetadataException e) {
// some measurements not exist in local
// try cache
IMeasurementMNode[] measurementMNodes = new IMeasurementMNode[measurements.length];
int failedMeasurementIndex = getMNodesLocally(deviceId, measurements, measurementMNodes);
if (failedMeasurementIndex == -1) {
return measurementMNodes;
}
// will retry util get schema
pullSeriesSchemas(deviceId, measurements);
// try again
failedMeasurementIndex = getMNodesLocally(deviceId, measurements, measurementMNodes);
if (failedMeasurementIndex != -1) {
throw new MetadataException(
deviceId.getFullPath()
+ IoTDBConstant.PATH_SEPARATOR
+ measurements[failedMeasurementIndex]
+ " is not found");
}
return measurementMNodes;
}
}
/** @return -1 if all schemas are found, or the first index of the non-exist schema */
private int getMNodesLocally(
PartialPath deviceId, String[] measurements, IMeasurementMNode[] measurementMNodes) {
int failedMeasurementIndex = -1;
cacheLock.readLock().lock();
try {
for (int i = 0; i < measurements.length && failedMeasurementIndex == -1; i++) {
IMeasurementMNode measurementMNode =
mRemoteMetaCache.get(deviceId.concatNode(measurements[i]));
if (measurementMNode == null) {
failedMeasurementIndex = i;
} else {
measurementMNodes[i] = measurementMNode;
}
}
} finally {
cacheLock.readLock().unlock();
}
return failedMeasurementIndex;
}
private void pullSeriesSchemas(PartialPath deviceId, String[] measurementList)
throws MetadataException {
List<PartialPath> schemasToPull = new ArrayList<>();
for (String s : measurementList) {
schemasToPull.add(deviceId.concatNode(s));
}
List<IMeasurementSchema> schemas = metaPuller.pullMeasurementSchemas(schemasToPull);
for (IMeasurementSchema schema : schemas) {
// TODO-Cluster: also pull alias?
// take care, the pulled schema's measurement Id is only series name
IMeasurementMNode measurementMNode =
MeasurementMNode.getMeasurementMNode(null, schema.getMeasurementId(), schema, null);
cacheMeta(deviceId.concatNode(schema.getMeasurementId()), measurementMNode, true);
}
logger.debug("Pulled {}/{} schemas from remote", schemas.size(), measurementList.length);
}
/*
do not set FullPath for Vector subSensor
*/
@Override
public void cacheMeta(
PartialPath seriesPath, IMeasurementMNode measurementMNode, boolean needSetFullPath) {
if (needSetFullPath) {
measurementMNode.setFullPath(seriesPath.getFullPath());
}
cacheLock.writeLock().lock();
mRemoteMetaCache.put(seriesPath, measurementMNode);
cacheLock.writeLock().unlock();
}
@Override
public void updateLastCache(
PartialPath seriesPath,
TimeValuePair timeValuePair,
boolean highPriorityUpdate,
Long latestFlushedTime) {
cacheLock.writeLock().lock();
try {
IMeasurementMNode measurementMNode = mRemoteMetaCache.get(seriesPath);
if (measurementMNode != null) {
LastCacheManager.updateLastCache(
seriesPath, timeValuePair, highPriorityUpdate, latestFlushedTime, measurementMNode);
}
} finally {
cacheLock.writeLock().unlock();
}
// maybe local also has the timeseries
super.updateLastCache(seriesPath, timeValuePair, highPriorityUpdate, latestFlushedTime);
}
@Override
public TimeValuePair getLastCache(PartialPath seriesPath) {
IMeasurementMNode measurementMNode = mRemoteMetaCache.get(seriesPath);
if (measurementMNode != null) {
return LastCacheManager.getLastCache(seriesPath, measurementMNode);
}
return super.getLastCache(seriesPath);
}
@Override
public IMNode getSeriesSchemasAndReadLockDevice(InsertPlan plan)
throws MetadataException, IOException {
IMeasurementMNode[] measurementMNodes = new IMeasurementMNode[plan.getMeasurements().length];
int nonExistSchemaIndex =
getMNodesLocally(plan.getPrefixPath(), plan.getMeasurements(), measurementMNodes);
if (nonExistSchemaIndex == -1) {
plan.setMeasurementMNodes(measurementMNodes);
return new InternalMNode(null, plan.getPrefixPath().getDevice());
}
// auto-create schema in IoTDBConfig is always disabled in the cluster version, and we have
// another config in ClusterConfig to do this
return super.getSeriesSchemasAndReadLockDevice(plan);
}
@Override
public IMeasurementSchema getSeriesSchema(PartialPath device, String measurement)
throws MetadataException {
try {
IMeasurementSchema measurementSchema = super.getSeriesSchema(device, measurement);
if (measurementSchema != null) {
return measurementSchema;
}
} catch (PathNotExistException e) {
// not found in local
}
// try cache
cacheLock.readLock().lock();
try {
IMeasurementMNode measurementMNode = mRemoteMetaCache.get(device.concatNode(measurement));
if (measurementMNode != null) {
return measurementMNode.getSchema();
}
} finally {
cacheLock.readLock().unlock();
}
// pull from remote
pullSeriesSchemas(device, new String[] {measurement});
// try again
cacheLock.readLock().lock();
try {
IMeasurementMNode measurementMeta = mRemoteMetaCache.get(device.concatNode(measurement));
if (measurementMeta != null) {
return measurementMeta.getSchema();
}
} finally {
cacheLock.readLock().unlock();
}
return super.getSeriesSchema(device, measurement);
}
/**
* Check whether the path exists.
*
* @param path a full path or a prefix path
*/
@Override
public boolean isPathExist(PartialPath path) {
boolean localExist = super.isPathExist(path);
if (localExist) {
return true;
}
// search the cache
cacheLock.readLock().lock();
try {
return mRemoteMetaCache.containsKey(path);
} finally {
cacheLock.readLock().unlock();
}
}
@Override
protected IMNode getDeviceNodeWithAutoCreate(PartialPath path)
throws MetadataException, IOException {
return getDeviceNodeWithAutoCreate(
path,
ClusterDescriptor.getInstance().getConfig().isEnableAutoCreateSchema(),
false,
config.getDefaultStorageGroupLevel());
}
private static class RemoteMetaCache extends LRUCache<PartialPath, IMeasurementMNode> {
RemoteMetaCache(int cacheSize) {
super(cacheSize);
}
@Override
protected IMeasurementMNode loadObjectByKey(PartialPath key) {
return null;
}
@Override
public synchronized void removeItem(PartialPath key) {
cache.keySet().removeIf(s -> s.getFullPath().startsWith(key.getFullPath()));
}
@Override
public synchronized IMeasurementMNode get(PartialPath key) {
try {
return super.get(key);
} catch (IOException e) {
// not happening
return null;
}
}
public synchronized boolean containsKey(PartialPath key) {
return cache.containsKey(key);
}
}
/**
* create storage groups for CreateTimeseriesPlan, CreateMultiTimeseriesPlan and InsertPlan, also
* create timeseries for InsertPlan. Only the three kind of plans can use this method.
*/
public void createSchema(PhysicalPlan plan) throws MetadataException, CheckConsistencyException {
List<PartialPath> storageGroups = new ArrayList<>();
// for InsertPlan, try to just use deviceIds to get related storage groups because there's no
// need to call getPaths to concat deviceId and sensor as they will gain same result,
// for CreateTimeSeriesPlan, use getPath() to get timeseries to get related storage group,
// for CreateMultiTimeSeriesPlan, use getPaths() to get all timeseries to get related storage
// groups.
if (plan instanceof BatchPlan) {
storageGroups.addAll(getStorageGroups(getValidStorageGroups((BatchPlan) plan)));
} else if (plan instanceof InsertRowPlan || plan instanceof InsertTabletPlan) {
storageGroups.addAll(
getStorageGroups(Collections.singletonList(((InsertPlan) plan).getPrefixPath())));
} else if (plan instanceof CreateTimeSeriesPlan) {
storageGroups.addAll(
getStorageGroups(Collections.singletonList(((CreateTimeSeriesPlan) plan).getPath())));
} else if (plan instanceof CreateAlignedTimeSeriesPlan) {
storageGroups.addAll(
getStorageGroups(
Collections.singletonList(((CreateAlignedTimeSeriesPlan) plan).getPrefixPath())));
} else if (plan instanceof SetSchemaTemplatePlan) {
storageGroups.addAll(
getStorageGroups(
Collections.singletonList(
new PartialPath(((SetSchemaTemplatePlan) plan).getPrefixPath()))));
} else {
storageGroups.addAll(getStorageGroups(plan.getPaths()));
}
// create storage groups
createStorageGroups(storageGroups);
// need to verify the storage group is created
verifyCreatedSgSuccess(storageGroups, plan);
// try to create timeseries for insertPlan
if (plan instanceof InsertPlan && !createTimeseries((InsertPlan) plan)) {
throw new MetadataException("Failed to create timeseries from InsertPlan automatically.");
}
}
private List<PartialPath> getValidStorageGroups(BatchPlan plan) {
List<PartialPath> paths = new ArrayList<>();
List<PartialPath> originalPaths = plan.getPrefixPaths();
for (int i = 0; i < originalPaths.size(); i++) {
// has permission to create sg
if (!plan.getResults().containsKey(i)) {
paths.add(originalPaths.get(i));
}
}
return paths;
}
/** return storage groups paths for given deviceIds or timeseries. */
private List<PartialPath> getStorageGroups(List<PartialPath> paths) throws MetadataException {
Set<PartialPath> storageGroups = new HashSet<>();
for (PartialPath path : paths) {
storageGroups.add(
MetaUtils.getStorageGroupPathByLevel(
path, IoTDBDescriptor.getInstance().getConfig().getDefaultStorageGroupLevel()));
}
return new ArrayList<>(storageGroups);
}
@SuppressWarnings("squid:S3776")
private void verifyCreatedSgSuccess(List<PartialPath> storageGroups, PhysicalPlan physicalPlan) {
long startTime = System.currentTimeMillis();
boolean[] ready = new boolean[storageGroups.size()];
Arrays.fill(ready, false);
while (true) {
boolean allReady = true;
for (int i = 0; i < storageGroups.size(); i++) {
if (ready[i]) {
continue;
}
if (IoTDB.metaManager.isStorageGroup(storageGroups.get(i))) {
ready[i] = true;
} else {
allReady = false;
}
}
if (allReady
|| System.currentTimeMillis() - startTime
> ClusterDescriptor.getInstance().getConfig().getConnectionTimeoutInMS()) {
break;
} else {
try {
Thread.sleep(1);
} catch (InterruptedException e) {
logger.debug("Failed to wait for creating sgs for plan {}", physicalPlan, e);
Thread.currentThread().interrupt();
}
}
}
}
/**
* Create storage groups automatically for paths.
*
* @param storageGroups the uncreated storage groups
*/
private void createStorageGroups(List<PartialPath> storageGroups) throws MetadataException {
for (PartialPath storageGroup : storageGroups) {
SetStorageGroupPlan setStorageGroupPlan = new SetStorageGroupPlan(storageGroup);
TSStatus setStorageGroupResult =
metaGroupMember.processNonPartitionedMetaPlan(setStorageGroupPlan);
if (setStorageGroupResult.getCode() != TSStatusCode.SUCCESS_STATUS.getStatusCode()
&& setStorageGroupResult.getCode()
!= TSStatusCode.PATH_ALREADY_EXIST_ERROR.getStatusCode()) {
throw new MetadataException(
String.format(
"Status Code: %d, failed to set storage group %s",
setStorageGroupResult.getCode(), storageGroup));
}
}
}
/**
* @param insertMultiTabletPlan the InsertMultiTabletPlan
* @return true if all InsertTabletPlan in InsertMultiTabletPlan create timeseries success,
* otherwise false
*/
public boolean createTimeseries(InsertMultiTabletPlan insertMultiTabletPlan)
throws CheckConsistencyException, IllegalPathException {
boolean allSuccess = true;
for (InsertTabletPlan insertTabletPlan : insertMultiTabletPlan.getInsertTabletPlanList()) {
boolean success = createTimeseries(insertTabletPlan);
allSuccess = allSuccess && success;
if (!success) {
logger.error(
"create timeseries for device={} failed, plan={}",
insertTabletPlan.getPrefixPath(),
insertTabletPlan);
}
}
return allSuccess;
}
public boolean createTimeseries(InsertRowsPlan insertRowsPlan)
throws CheckConsistencyException, IllegalPathException {
boolean allSuccess = true;
for (InsertRowPlan insertRowPlan : insertRowsPlan.getInsertRowPlanList()) {
boolean success = createTimeseries(insertRowPlan);
allSuccess = allSuccess && success;
if (!success) {
logger.error(
"create timeseries for device={} failed, plan={}",
insertRowPlan.getPrefixPath(),
insertRowPlan);
}
}
return allSuccess;
}
public boolean createTimeseries(InsertRowsOfOneDevicePlan insertRowsOfOneDevicePlan)
throws CheckConsistencyException, IllegalPathException {
boolean allSuccess = true;
for (InsertRowPlan insertRowPlan : insertRowsOfOneDevicePlan.getRowPlans()) {
boolean success = createTimeseries(insertRowPlan);
allSuccess = allSuccess && success;
if (!success) {
logger.error(
"create timeseries for device={} failed, plan={}",
insertRowPlan.getPrefixPath(),
insertRowPlan);
}
}
return allSuccess;
}
/**
* Create timeseries automatically for an InsertPlan.
*
* @param insertPlan some of the timeseries in it are not created yet
* @return true of all uncreated timeseries are created
*/
public boolean createTimeseries(InsertPlan insertPlan)
throws IllegalPathException, CheckConsistencyException {
if (insertPlan instanceof InsertMultiTabletPlan) {
return createTimeseries((InsertMultiTabletPlan) insertPlan);
}
if (insertPlan instanceof InsertRowsPlan) {
return createTimeseries((InsertRowsPlan) insertPlan);
}
if (insertPlan instanceof InsertRowsOfOneDevicePlan) {
return createTimeseries((InsertRowsOfOneDevicePlan) insertPlan);
}
List<String> seriesList = new ArrayList<>();
PartialPath deviceId = insertPlan.getPrefixPath();
PartialPath storageGroupName;
try {
storageGroupName =
MetaUtils.getStorageGroupPathByLevel(
deviceId, IoTDBDescriptor.getInstance().getConfig().getDefaultStorageGroupLevel());
} catch (MetadataException e) {
logger.error("Failed to infer storage group from deviceId {}", deviceId);
return false;
}
for (String measurementId : insertPlan.getMeasurements()) {
seriesList.add(deviceId.getFullPath() + TsFileConstant.PATH_SEPARATOR + measurementId);
}
if (insertPlan.isAligned()) {
return createAlignedTimeseries(seriesList, insertPlan);
}
PartitionGroup partitionGroup =
metaGroupMember.getPartitionTable().route(storageGroupName.getFullPath(), 0);
List<String> unregisteredSeriesList = getUnregisteredSeriesList(seriesList, partitionGroup);
if (unregisteredSeriesList.isEmpty()) {
return true;
}
logger.debug("Unregisterd series of {} are {}", seriesList, unregisteredSeriesList);
return createTimeseries(unregisteredSeriesList, seriesList, insertPlan);
}
private boolean createAlignedTimeseries(List<String> seriesList, InsertPlan insertPlan)
throws IllegalPathException {
List<String> measurements = new ArrayList<>();
for (String series : seriesList) {
measurements.add((new PartialPath(series)).getMeasurement());
}
List<TSDataType> dataTypes = new ArrayList<>(measurements.size());
List<TSEncoding> encodings = new ArrayList<>(measurements.size());
for (int index = 0; index < measurements.size(); index++) {
TSDataType dataType;
if (insertPlan.getDataTypes() != null && insertPlan.getDataTypes()[index] != null) {
dataType = insertPlan.getDataTypes()[index];
} else {
dataType =
TypeInferenceUtils.getPredictedDataType(
insertPlan instanceof InsertTabletPlan
? Array.get(((InsertTabletPlan) insertPlan).getColumns()[index], 0)
: ((InsertRowPlan) insertPlan).getValues()[index],
true);
}
dataTypes.add(dataType);
encodings.add(getDefaultEncoding(dataType));
}
CreateAlignedTimeSeriesPlan plan =
new CreateAlignedTimeSeriesPlan(
insertPlan.getPrefixPath(),
measurements,
dataTypes,
encodings,
TSFileDescriptor.getInstance().getConfig().getCompressor(),
null);
TSStatus result;
try {
result = coordinator.processPartitionedPlan(plan);
} catch (UnsupportedPlanException e) {
logger.error(
"Failed to create timeseries {} automatically. Unsupported plan exception {} ",
plan,
e.getMessage());
return false;
}
if (result.getCode() != TSStatusCode.SUCCESS_STATUS.getStatusCode()
&& result.getCode() != TSStatusCode.PATH_ALREADY_EXIST_ERROR.getStatusCode()
&& result.getCode() != TSStatusCode.NEED_REDIRECTION.getStatusCode()) {
logger.error(
"{} failed to execute create timeseries {}: {}",
metaGroupMember.getThisNode(),
plan,
result);
return false;
}
return true;
}
/**
* create timeseries from paths in "unregisteredSeriesList". If data types are provided by the
* InsertPlan, use them, otherwise infer the types from the values. Use default encodings and
* compressions of the corresponding data type.
*/
private boolean createTimeseries(
List<String> unregisteredSeriesList, List<String> seriesList, InsertPlan insertPlan)
throws IllegalPathException {
List<PartialPath> paths = new ArrayList<>();
List<TSDataType> dataTypes = new ArrayList<>();
List<TSEncoding> encodings = new ArrayList<>();
List<CompressionType> compressionTypes = new ArrayList<>();
for (String seriesPath : unregisteredSeriesList) {
paths.add(new PartialPath(seriesPath));
int index = seriesList.indexOf(seriesPath);
TSDataType dataType;
// use data types in insertPlan if provided, otherwise infer them from the values
if (insertPlan.getDataTypes() != null && insertPlan.getDataTypes()[index] != null) {
dataType = insertPlan.getDataTypes()[index];
} else {
dataType =
TypeInferenceUtils.getPredictedDataType(
insertPlan instanceof InsertTabletPlan
? Array.get(((InsertTabletPlan) insertPlan).getColumns()[index], 0)
: ((InsertRowPlan) insertPlan).getValues()[index],
true);
}
dataTypes.add(dataType);
// use default encoding and compression from the config
encodings.add(getDefaultEncoding(dataType));
compressionTypes.add(TSFileDescriptor.getInstance().getConfig().getCompressor());
}
CreateMultiTimeSeriesPlan plan = new CreateMultiTimeSeriesPlan();
plan.setPaths(paths);
plan.setDataTypes(dataTypes);
plan.setEncodings(encodings);
plan.setCompressors(compressionTypes);
TSStatus result;
try {
result = coordinator.processPartitionedPlan(plan);
} catch (UnsupportedPlanException e) {
logger.error(
"Failed to create timeseries {} automatically. Unsupported plan exception {} ",
paths,
e.getMessage());
return false;
}
if (result.getCode() != TSStatusCode.SUCCESS_STATUS.getStatusCode()
&& result.getCode() != TSStatusCode.PATH_ALREADY_EXIST_ERROR.getStatusCode()
&& result.getCode() != TSStatusCode.NEED_REDIRECTION.getStatusCode()
&& !(result.getCode() == TSStatusCode.MULTIPLE_ERROR.getStatusCode()
&& result.getSubStatus().stream()
.allMatch(
s -> s.getCode() == TSStatusCode.PATH_ALREADY_EXIST_ERROR.getStatusCode()))) {
logger.error(
"{} failed to execute create timeseries {}: {}",
metaGroupMember.getThisNode(),
paths,
result);
return false;
}
return true;
}
public void setMetaGroupMember(MetaGroupMember metaGroupMember) {
this.metaGroupMember = metaGroupMember;
}
public void setCoordinator(Coordinator coordinator) {
this.coordinator = coordinator;
}
/**
* To check which timeseries in the input list is unregistered from one node in "partitionGroup".
*/
private List<String> getUnregisteredSeriesList(
List<String> seriesList, PartitionGroup partitionGroup) throws CheckConsistencyException {
if (partitionGroup.contains(metaGroupMember.getThisNode())) {
return getUnregisteredSeriesListLocally(seriesList, partitionGroup);
} else {
return getUnregisteredSeriesListRemotely(seriesList, partitionGroup);
}
}
private List<String> getUnregisteredSeriesListLocally(
List<String> seriesList, PartitionGroup partitionGroup) throws CheckConsistencyException {
DataGroupMember dataMember =
metaGroupMember
.getDataClusterServer()
.getDataMember(partitionGroup.getHeader(), null, null);
return dataMember.getLocalQueryExecutor().getUnregisteredTimeseries(seriesList);
}
private List<String> getUnregisteredSeriesListRemotely(
List<String> seriesList, PartitionGroup partitionGroup) {
for (Node node : partitionGroup) {
try {
List<String> result;
if (ClusterDescriptor.getInstance().getConfig().isUseAsyncServer()) {
AsyncDataClient client =
metaGroupMember
.getClientProvider()
.getAsyncDataClient(node, RaftServer.getReadOperationTimeoutMS());
result =
SyncClientAdaptor.getUnregisteredMeasurements(
client, partitionGroup.getHeader(), seriesList);
} else {
try (SyncDataClient syncDataClient =
metaGroupMember
.getClientProvider()
.getSyncDataClient(node, RaftServer.getReadOperationTimeoutMS())) {
try {
result =
syncDataClient.getUnregisteredTimeseries(partitionGroup.getHeader(), seriesList);
} catch (TException e) {
// the connection may be broken, close it to avoid it being reused
syncDataClient.getInputProtocol().getTransport().close();
throw e;
}
}
}
if (result != null) {
return result;
}
} catch (TException | IOException e) {
logger.error(
"{}: cannot getting unregistered {} and other {} paths from {}",
metaGroupMember.getName(),
seriesList.get(0),
seriesList.get(seriesList.size() - 1),
node,
e);
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
logger.error(
"{}: getting unregistered series list {} ... {} is interrupted from {}",
metaGroupMember.getName(),
seriesList.get(0),
seriesList.get(seriesList.size() - 1),
node,
e);
}
}
return Collections.emptyList();
}
/**
* Get all devices after removing wildcards in the path
*
* @param originPath a path potentially with wildcard
* @return all paths after removing wildcards in the path
*/
public Set<PartialPath> getMatchedDevices(PartialPath originPath) throws MetadataException {
Map<String, String> sgPathMap = groupPathByStorageGroup(originPath);
Set<PartialPath> ret = getMatchedDevices(sgPathMap);
logger.debug("The devices of path {} are {}", originPath, ret);
return ret;
}
/**
* Split the paths by the data group they belong to and query them from the groups separately.
*
* @param sgPathMap the key is the storage group name and the value is the path to be queried with
* storage group added
* @return a collection of all queried paths
*/
private List<PartialPath> getMatchedPaths(Map<String, String> sgPathMap, boolean withAlias)
throws MetadataException {
List<PartialPath> result = new ArrayList<>();
// split the paths by the data group they belong to
Map<PartitionGroup, List<String>> remoteGroupPathMap = new HashMap<>();
for (Entry<String, String> sgPathEntry : sgPathMap.entrySet()) {
String storageGroupName = sgPathEntry.getKey();
PartialPath pathUnderSG = new PartialPath(sgPathEntry.getValue());
// find the data group that should hold the timeseries schemas of the storage group
PartitionGroup partitionGroup =
metaGroupMember.getPartitionTable().route(storageGroupName, 0);
if (partitionGroup.contains(metaGroupMember.getThisNode())) {
// this node is a member of the group, perform a local query after synchronizing with the
// leader
try {
metaGroupMember
.getLocalDataMember(partitionGroup.getHeader(), partitionGroup.getId())
.syncLeader(null);
} catch (CheckConsistencyException e) {
logger.warn("Failed to check consistency.", e);
}
List<PartialPath> allTimeseriesName = getMatchedPathsLocally(pathUnderSG, withAlias);
logger.debug(
"{}: get matched paths of {} locally, result {}",
metaGroupMember.getName(),
partitionGroup,
allTimeseriesName);
result.addAll(allTimeseriesName);