homework-jianmu/source/libs/stream/src/streamRecover.c

328 lines
12 KiB
C

/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "streamInc.h"
int32_t streamTaskLaunchRecover(SStreamTask* pTask, int64_t version) {
qDebug("task %d at node %d launch recover", pTask->taskId, pTask->nodeId);
if (pTask->taskLevel == TASK_LEVEL__SOURCE) {
atomic_store_8(&pTask->taskStatus, TASK_STATUS__RECOVER_PREPARE);
streamSetParamForRecover(pTask);
streamSourceRecoverPrepareStep1(pTask, version);
SStreamRecoverStep1Req req;
streamBuildSourceRecover1Req(pTask, &req);
int32_t len = sizeof(SStreamRecoverStep1Req);
void* serializedReq = rpcMallocCont(len);
if (serializedReq == NULL) {
return -1;
}
memcpy(serializedReq, &req, len);
SRpcMsg rpcMsg = {
.contLen = len,
.pCont = serializedReq,
.msgType = TDMT_VND_STREAM_RECOVER_NONBLOCKING_STAGE,
};
if (tmsgPutToQueue(pTask->pMsgCb, STREAM_QUEUE, &rpcMsg) < 0) {
/*ASSERT(0);*/
}
} else if (pTask->taskLevel == TASK_LEVEL__AGG) {
atomic_store_8(&pTask->taskStatus, TASK_STATUS__NORMAL);
streamSetParamForRecover(pTask);
streamAggRecoverPrepare(pTask);
} else if (pTask->taskLevel == TASK_LEVEL__SINK) {
atomic_store_8(&pTask->taskStatus, TASK_STATUS__NORMAL);
}
return 0;
}
// checkstatus
int32_t streamTaskCheckDownstream(SStreamTask* pTask, int64_t version) {
SStreamTaskCheckReq req = {
.streamId = pTask->streamId,
.upstreamTaskId = pTask->taskId,
.upstreamNodeId = pTask->nodeId,
.childId = pTask->selfChildId,
};
// serialize
if (pTask->outputType == TASK_OUTPUT__FIXED_DISPATCH) {
req.reqId = tGenIdPI64();
req.downstreamNodeId = pTask->fixedEpDispatcher.nodeId;
req.downstreamTaskId = pTask->fixedEpDispatcher.taskId;
pTask->checkReqId = req.reqId;
qDebug("task %d at node %d check downstream task %d at node %d", pTask->taskId, pTask->nodeId, req.downstreamTaskId,
req.downstreamNodeId);
streamDispatchOneCheckReq(pTask, &req, pTask->fixedEpDispatcher.nodeId, &pTask->fixedEpDispatcher.epSet);
} else if (pTask->outputType == TASK_OUTPUT__SHUFFLE_DISPATCH) {
SArray* vgInfo = pTask->shuffleDispatcher.dbInfo.pVgroupInfos;
int32_t vgSz = taosArrayGetSize(vgInfo);
pTask->recoverTryingDownstream = vgSz;
pTask->checkReqIds = taosArrayInit(vgSz, sizeof(int64_t));
for (int32_t i = 0; i < vgSz; i++) {
SVgroupInfo* pVgInfo = taosArrayGet(vgInfo, i);
req.reqId = tGenIdPI64();
taosArrayPush(pTask->checkReqIds, &req.reqId);
req.downstreamNodeId = pVgInfo->vgId;
req.downstreamTaskId = pVgInfo->taskId;
qDebug("task %d at node %d check downstream task %d at node %d (shuffle)", pTask->taskId, pTask->nodeId,
req.downstreamTaskId, req.downstreamNodeId);
streamDispatchOneCheckReq(pTask, &req, pVgInfo->vgId, &pVgInfo->epSet);
}
} else {
qDebug("task %d at node %d direct launch recover since no downstream", pTask->taskId, pTask->nodeId);
streamTaskLaunchRecover(pTask, version);
}
return 0;
}
int32_t streamRecheckOneDownstream(SStreamTask* pTask, const SStreamTaskCheckRsp* pRsp) {
SStreamTaskCheckReq req = {
.reqId = pRsp->reqId,
.streamId = pRsp->streamId,
.upstreamTaskId = pRsp->upstreamTaskId,
.upstreamNodeId = pRsp->upstreamNodeId,
.downstreamTaskId = pRsp->downstreamTaskId,
.downstreamNodeId = pRsp->downstreamNodeId,
.childId = pRsp->childId,
};
qDebug("task %d at node %d check downstream task %d at node %d (recheck)", pTask->taskId, pTask->nodeId,
req.downstreamTaskId, req.downstreamNodeId);
if (pTask->outputType == TASK_OUTPUT__FIXED_DISPATCH) {
streamDispatchOneCheckReq(pTask, &req, pRsp->downstreamNodeId, &pTask->fixedEpDispatcher.epSet);
} else if (pTask->outputType == TASK_OUTPUT__SHUFFLE_DISPATCH) {
SArray* vgInfo = pTask->shuffleDispatcher.dbInfo.pVgroupInfos;
int32_t vgSz = taosArrayGetSize(vgInfo);
for (int32_t i = 0; i < vgSz; i++) {
SVgroupInfo* pVgInfo = taosArrayGet(vgInfo, i);
if (pVgInfo->taskId == req.downstreamTaskId) {
streamDispatchOneCheckReq(pTask, &req, pRsp->downstreamNodeId, &pVgInfo->epSet);
}
}
}
return 0;
}
int32_t streamProcessTaskCheckReq(SStreamTask* pTask, const SStreamTaskCheckReq* pReq) {
return atomic_load_8(&pTask->taskStatus) == TASK_STATUS__NORMAL;
}
int32_t streamProcessTaskCheckRsp(SStreamTask* pTask, const SStreamTaskCheckRsp* pRsp, int64_t version) {
qDebug("task %d at node %d recv check rsp from task %d at node %d: status %d", pRsp->upstreamTaskId,
pRsp->upstreamNodeId, pRsp->downstreamTaskId, pRsp->downstreamNodeId, pRsp->status);
if (pRsp->status == 1) {
if (pTask->outputType == TASK_OUTPUT__SHUFFLE_DISPATCH) {
bool found = false;
for (int32_t i = 0; i < taosArrayGetSize(pTask->checkReqIds); i++) {
int64_t reqId = *(int64_t*)taosArrayGet(pTask->checkReqIds, i);
if (reqId == pRsp->reqId) {
found = true;
break;
}
}
if (!found) return -1;
int32_t left = atomic_sub_fetch_32(&pTask->recoverTryingDownstream, 1);
ASSERT(left >= 0);
if (left == 0) {
taosArrayDestroy(pTask->checkReqIds);
pTask->checkReqIds = NULL;
streamTaskLaunchRecover(pTask, version);
}
} else if (pTask->outputType == TASK_OUTPUT__FIXED_DISPATCH) {
if (pRsp->reqId != pTask->checkReqId) return -1;
streamTaskLaunchRecover(pTask, version);
} else {
ASSERT(0);
}
} else {
streamRecheckOneDownstream(pTask, pRsp);
}
return 0;
}
// common
int32_t streamSetParamForRecover(SStreamTask* pTask) {
void* exec = pTask->exec.executor;
return qStreamSetParamForRecover(exec);
}
int32_t streamRestoreParam(SStreamTask* pTask) {
void* exec = pTask->exec.executor;
return qStreamRestoreParam(exec);
}
int32_t streamSetStatusNormal(SStreamTask* pTask) {
pTask->taskStatus = TASK_STATUS__NORMAL;
return 0;
}
// source
int32_t streamSourceRecoverPrepareStep1(SStreamTask* pTask, int64_t ver) {
void* exec = pTask->exec.executor;
return qStreamSourceRecoverStep1(exec, ver);
}
int32_t streamBuildSourceRecover1Req(SStreamTask* pTask, SStreamRecoverStep1Req* pReq) {
pReq->msgHead.vgId = pTask->nodeId;
pReq->streamId = pTask->streamId;
pReq->taskId = pTask->taskId;
return 0;
}
int32_t streamSourceRecoverScanStep1(SStreamTask* pTask) {
//
return streamScanExec(pTask, 100);
}
int32_t streamBuildSourceRecover2Req(SStreamTask* pTask, SStreamRecoverStep2Req* pReq) {
pReq->msgHead.vgId = pTask->nodeId;
pReq->streamId = pTask->streamId;
pReq->taskId = pTask->taskId;
return 0;
}
int32_t streamSourceRecoverScanStep2(SStreamTask* pTask, int64_t ver) {
void* exec = pTask->exec.executor;
if (qStreamSourceRecoverStep2(exec, ver) < 0) {
}
return streamScanExec(pTask, 100);
}
int32_t streamDispatchRecoverFinishReq(SStreamTask* pTask) {
SStreamRecoverFinishReq req = {
.streamId = pTask->streamId,
.childId = pTask->selfChildId,
};
// serialize
if (pTask->outputType == TASK_OUTPUT__FIXED_DISPATCH) {
req.taskId = pTask->fixedEpDispatcher.taskId;
streamDispatchOneRecoverFinishReq(pTask, &req, pTask->fixedEpDispatcher.nodeId, &pTask->fixedEpDispatcher.epSet);
} else if (pTask->outputType == TASK_OUTPUT__SHUFFLE_DISPATCH) {
SArray* vgInfo = pTask->shuffleDispatcher.dbInfo.pVgroupInfos;
int32_t vgSz = taosArrayGetSize(vgInfo);
for (int32_t i = 0; i < vgSz; i++) {
SVgroupInfo* pVgInfo = taosArrayGet(vgInfo, i);
req.taskId = pVgInfo->taskId;
streamDispatchOneRecoverFinishReq(pTask, &req, pVgInfo->vgId, &pVgInfo->epSet);
}
}
return 0;
}
// agg
int32_t streamAggRecoverPrepare(SStreamTask* pTask) {
void* exec = pTask->exec.executor;
pTask->recoverWaitingUpstream = taosArrayGetSize(pTask->childEpInfo);
return 0;
}
int32_t streamAggChildrenRecoverFinish(SStreamTask* pTask) {
void* exec = pTask->exec.executor;
if (qStreamRestoreParam(exec) < 0) {
return -1;
}
if (qStreamRecoverFinish(exec) < 0) {
return -1;
}
streamSetStatusNormal(pTask);
return 0;
}
int32_t streamProcessRecoverFinishReq(SStreamTask* pTask, int32_t childId) {
if (pTask->taskLevel == TASK_LEVEL__AGG) {
int32_t left = atomic_sub_fetch_32(&pTask->recoverWaitingUpstream, 1);
ASSERT(left >= 0);
if (left == 0) {
streamAggChildrenRecoverFinish(pTask);
}
}
return 0;
}
int32_t tEncodeSStreamTaskCheckReq(SEncoder* pEncoder, const SStreamTaskCheckReq* pReq) {
if (tStartEncode(pEncoder) < 0) return -1;
if (tEncodeI64(pEncoder, pReq->reqId) < 0) return -1;
if (tEncodeI64(pEncoder, pReq->streamId) < 0) return -1;
if (tEncodeI32(pEncoder, pReq->upstreamNodeId) < 0) return -1;
if (tEncodeI32(pEncoder, pReq->upstreamTaskId) < 0) return -1;
if (tEncodeI32(pEncoder, pReq->downstreamNodeId) < 0) return -1;
if (tEncodeI32(pEncoder, pReq->downstreamTaskId) < 0) return -1;
if (tEncodeI32(pEncoder, pReq->childId) < 0) return -1;
tEndEncode(pEncoder);
return pEncoder->pos;
}
int32_t tDecodeSStreamTaskCheckReq(SDecoder* pDecoder, SStreamTaskCheckReq* pReq) {
if (tStartDecode(pDecoder) < 0) return -1;
if (tDecodeI64(pDecoder, &pReq->reqId) < 0) return -1;
if (tDecodeI64(pDecoder, &pReq->streamId) < 0) return -1;
if (tDecodeI32(pDecoder, &pReq->upstreamNodeId) < 0) return -1;
if (tDecodeI32(pDecoder, &pReq->upstreamTaskId) < 0) return -1;
if (tDecodeI32(pDecoder, &pReq->downstreamNodeId) < 0) return -1;
if (tDecodeI32(pDecoder, &pReq->downstreamTaskId) < 0) return -1;
if (tDecodeI32(pDecoder, &pReq->childId) < 0) return -1;
tEndDecode(pDecoder);
return 0;
}
int32_t tEncodeSStreamTaskCheckRsp(SEncoder* pEncoder, const SStreamTaskCheckRsp* pRsp) {
if (tStartEncode(pEncoder) < 0) return -1;
if (tEncodeI64(pEncoder, pRsp->reqId) < 0) return -1;
if (tEncodeI64(pEncoder, pRsp->streamId) < 0) return -1;
if (tEncodeI32(pEncoder, pRsp->upstreamNodeId) < 0) return -1;
if (tEncodeI32(pEncoder, pRsp->upstreamTaskId) < 0) return -1;
if (tEncodeI32(pEncoder, pRsp->downstreamNodeId) < 0) return -1;
if (tEncodeI32(pEncoder, pRsp->downstreamTaskId) < 0) return -1;
if (tEncodeI32(pEncoder, pRsp->childId) < 0) return -1;
if (tEncodeI8(pEncoder, pRsp->status) < 0) return -1;
tEndEncode(pEncoder);
return pEncoder->pos;
}
int32_t tDecodeSStreamTaskCheckRsp(SDecoder* pDecoder, SStreamTaskCheckRsp* pRsp) {
if (tStartDecode(pDecoder) < 0) return -1;
if (tDecodeI64(pDecoder, &pRsp->reqId) < 0) return -1;
if (tDecodeI64(pDecoder, &pRsp->streamId) < 0) return -1;
if (tDecodeI32(pDecoder, &pRsp->upstreamNodeId) < 0) return -1;
if (tDecodeI32(pDecoder, &pRsp->upstreamTaskId) < 0) return -1;
if (tDecodeI32(pDecoder, &pRsp->downstreamNodeId) < 0) return -1;
if (tDecodeI32(pDecoder, &pRsp->downstreamTaskId) < 0) return -1;
if (tDecodeI32(pDecoder, &pRsp->childId) < 0) return -1;
if (tDecodeI8(pDecoder, &pRsp->status) < 0) return -1;
tEndDecode(pDecoder);
return 0;
}
int32_t tEncodeSStreamRecoverFinishReq(SEncoder* pEncoder, const SStreamRecoverFinishReq* pReq) {
if (tStartEncode(pEncoder) < 0) return -1;
if (tEncodeI64(pEncoder, pReq->streamId) < 0) return -1;
if (tEncodeI32(pEncoder, pReq->taskId) < 0) return -1;
if (tEncodeI32(pEncoder, pReq->childId) < 0) return -1;
tEndEncode(pEncoder);
return pEncoder->pos;
}
int32_t tDecodeSStreamRecoverFinishReq(SDecoder* pDecoder, SStreamRecoverFinishReq* pReq) {
if (tStartDecode(pDecoder) < 0) return -1;
if (tDecodeI64(pDecoder, &pReq->streamId) < 0) return -1;
if (tDecodeI32(pDecoder, &pReq->taskId) < 0) return -1;
if (tDecodeI32(pDecoder, &pReq->childId) < 0) return -1;
tEndDecode(pDecoder);
return 0;
}