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Merge pull request #24418 from taosdata/fix/TD-28185 

fix:[TD-28185]add pause & resume logic for snode
This commit is contained in:
Haojun Liao 2024-01-11 09:40:49 +08:00 committed by GitHub
parent 21dd356b83 216830f8b4
commit 0ab308ef79
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GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 118 additions and 104 deletions
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2
include/dnode/vnode/tqCommon.h
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@ -33,5 +33,7 @@ int32_t tqStreamTaskProcessRunReq(SStreamMeta* pMeta, SRpcMsg* pMsg, bool isLead
int32_t tqStreamTaskResetStatus(SStreamMeta* pMeta);
int32_t tqStartTaskCompleteCallback(SStreamMeta* pMeta);
int32_t tqStreamTaskProcessTaskResetReq(SStreamMeta* pMeta, SRpcMsg* pMsg);
int32_t tqStreamTaskProcessTaskPauseReq(SStreamMeta* pMeta, char* pMsg);
int32_t tqStreamTaskProcessTaskResumeReq(void* handle, int64_t sversion, char* pMsg, bool fromVnode);
#endif // TDENGINE_TQ_COMMON_H

6
source/dnode/snode/src/snode.c
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@ -195,7 +195,7 @@ int32_t sndProcessWriteMsg(SSnode *pSnode, SRpcMsg *pMsg, SRpcMsg *pRsp) {
case TDMT_STREAM_TASK_DEPLOY: {
void * pReq = POINTER_SHIFT(pMsg->pCont, sizeof(SMsgHead));
int32_t len = pMsg->contLen - sizeof(SMsgHead);
return tqStreamTaskProcessDeployReq(pSnode->pMeta, -1, pReq, len, true, true);
return tqStreamTaskProcessDeployReq(pSnode->pMeta, pMsg->info.conn.applyIndex, pReq, len, true, true);
}
case TDMT_STREAM_TASK_DROP:
@ -204,6 +204,10 @@ int32_t sndProcessWriteMsg(SSnode *pSnode, SRpcMsg *pMsg, SRpcMsg *pRsp) {
return tqStreamTaskProcessUpdateReq(pSnode->pMeta, &pSnode->msgCb, pMsg, true);
case TDMT_VND_STREAM_TASK_RESET:
return tqStreamTaskProcessTaskResetReq(pSnode->pMeta, pMsg);
case TDMT_STREAM_TASK_PAUSE:
return tqStreamTaskProcessTaskPauseReq(pSnode->pMeta, pMsg->pCont);
case TDMT_STREAM_TASK_RESUME:
return tqStreamTaskProcessTaskResumeReq(pSnode->pMeta, pMsg->info.conn.applyIndex, pMsg->pCont, false);
default:
ASSERT(0);
}

101
source/dnode/vnode/src/tq/tq.c
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@ -1094,108 +1094,11 @@ int32_t tqProcessTaskDropReq(STQ* pTq, char* msg, int32_t msgLen) {
}
int32_t tqProcessTaskPauseReq(STQ* pTq, int64_t sversion, char* msg, int32_t msgLen) {
SVPauseStreamTaskReq* pReq = (SVPauseStreamTaskReq*)msg;
SStreamMeta* pMeta = pTq->pStreamMeta;
SStreamTask* pTask = streamMetaAcquireTask(pMeta, pReq->streamId, pReq->taskId);
if (pTask == NULL) {
tqError("vgId:%d process pause req, failed to acquire task:0x%x, it may have been dropped already", pMeta->vgId,
pReq->taskId);
// since task is in [STOP|DROPPING] state, it is safe to assume the pause is active
return TSDB_CODE_SUCCESS;
}
tqDebug("s-task:%s receive pause msg from mnode", pTask->id.idStr);
streamTaskPause(pTask, pMeta);
SStreamTask* pHistoryTask = NULL;
if (HAS_RELATED_FILLHISTORY_TASK(pTask)) {
pHistoryTask = streamMetaAcquireTask(pMeta, pTask->hTaskInfo.id.streamId, pTask->hTaskInfo.id.taskId);
if (pHistoryTask == NULL) {
tqError("vgId:%d process pause req, failed to acquire fill-history task:0x%" PRIx64
", it may have been dropped already",
pMeta->vgId, pTask->hTaskInfo.id.taskId);
streamMetaReleaseTask(pMeta, pTask);
// since task is in [STOP|DROPPING] state, it is safe to assume the pause is active
return TSDB_CODE_SUCCESS;
}
tqDebug("s-task:%s fill-history task handle paused along with related stream task", pHistoryTask->id.idStr);
streamTaskPause(pHistoryTask, pMeta);
streamMetaReleaseTask(pMeta, pHistoryTask);
}
streamMetaReleaseTask(pMeta, pTask);
return TSDB_CODE_SUCCESS;
}
int32_t tqProcessTaskResumeImpl(STQ* pTq, SStreamTask* pTask, int64_t sversion, int8_t igUntreated) {
int32_t vgId = pTq->pStreamMeta->vgId;
if (pTask == NULL) {
return -1;
}
streamTaskResume(pTask);
ETaskStatus status = streamTaskGetStatus(pTask, NULL);
int32_t level = pTask->info.taskLevel;
if (level == TASK_LEVEL__SINK) {
if (status == TASK_STATUS__UNINIT) {
}
streamMetaReleaseTask(pTq->pStreamMeta, pTask);
return 0;
}
if (status == TASK_STATUS__READY || status == TASK_STATUS__SCAN_HISTORY || status == TASK_STATUS__CK) {
// no lock needs to secure the access of the version
if (igUntreated && level == TASK_LEVEL__SOURCE && !pTask->info.fillHistory) {
// discard all the data when the stream task is suspended.
walReaderSetSkipToVersion(pTask->exec.pWalReader, sversion);
tqDebug("vgId:%d s-task:%s resume to exec, prev paused version:%" PRId64 ", start from vnode ver:%" PRId64
", schedStatus:%d",
vgId, pTask->id.idStr, pTask->chkInfo.nextProcessVer, sversion, pTask->status.schedStatus);
} else { // from the previous paused version and go on
tqDebug("vgId:%d s-task:%s resume to exec, from paused ver:%" PRId64 ", vnode ver:%" PRId64 ", schedStatus:%d",
vgId, pTask->id.idStr, pTask->chkInfo.nextProcessVer, sversion, pTask->status.schedStatus);
}
if (level == TASK_LEVEL__SOURCE && pTask->info.fillHistory && status == TASK_STATUS__SCAN_HISTORY) {
streamStartScanHistoryAsync(pTask, igUntreated);
} else if (level == TASK_LEVEL__SOURCE && (streamQueueGetNumOfItems(pTask->inputq.queue) == 0)) {
tqScanWalAsync(pTq, false);
} else {
streamSchedExec(pTask);
}
} else if (status == TASK_STATUS__UNINIT) {
// todo: fill-history task init ?
if (pTask->info.fillHistory == 0) {
EStreamTaskEvent event = /*HAS_RELATED_FILLHISTORY_TASK(pTask) ? TASK_EVENT_INIT_STREAM_SCANHIST : */TASK_EVENT_INIT;
streamTaskHandleEvent(pTask->status.pSM, event);
}
}
streamMetaReleaseTask(pTq->pStreamMeta, pTask);
return 0;
return tqStreamTaskProcessTaskPauseReq(pTq->pStreamMeta, msg);
}
int32_t tqProcessTaskResumeReq(STQ* pTq, int64_t sversion, char* msg, int32_t msgLen) {
SVResumeStreamTaskReq* pReq = (SVResumeStreamTaskReq*)msg;
SStreamTask* pTask = streamMetaAcquireTask(pTq->pStreamMeta, pReq->streamId, pReq->taskId);
int32_t code = tqProcessTaskResumeImpl(pTq, pTask, sversion, pReq->igUntreated);
if (code != 0) {
return code;
}
STaskId* pHTaskId = &pTask->hTaskInfo.id;
SStreamTask* pHistoryTask = streamMetaAcquireTask(pTq->pStreamMeta, pHTaskId->streamId, pHTaskId->taskId);
if (pHistoryTask) {
code = tqProcessTaskResumeImpl(pTq, pHistoryTask, sversion, pReq->igUntreated);
}
return code;
return tqStreamTaskProcessTaskResumeReq(pTq, sversion, msg, true);
}
int32_t tqProcessTaskRetrieveReq(STQ* pTq, SRpcMsg* pMsg) {

105
source/dnode/vnode/src/tqCommon/tqCommon.c
View File

@ -752,4 +752,109 @@ int32_t tqStreamTaskProcessTaskResetReq(SStreamMeta* pMeta, SRpcMsg* pMsg) {
streamMetaReleaseTask(pMeta, pTask);
return TSDB_CODE_SUCCESS;
}
int32_t tqStreamTaskProcessTaskPauseReq(SStreamMeta* pMeta, char* pMsg){
SVPauseStreamTaskReq* pReq = (SVPauseStreamTaskReq*)pMsg;
SStreamTask* pTask = streamMetaAcquireTask(pMeta, pReq->streamId, pReq->taskId);
if (pTask == NULL) {
tqError("vgId:%d process pause req, failed to acquire task:0x%x, it may have been dropped already", pMeta->vgId,
pReq->taskId);
// since task is in [STOP|DROPPING] state, it is safe to assume the pause is active
return TSDB_CODE_SUCCESS;
}
tqDebug("s-task:%s receive pause msg from mnode", pTask->id.idStr);
streamTaskPause(pTask, pMeta);
SStreamTask* pHistoryTask = NULL;
if (HAS_RELATED_FILLHISTORY_TASK(pTask)) {
pHistoryTask = streamMetaAcquireTask(pMeta, pTask->hTaskInfo.id.streamId, pTask->hTaskInfo.id.taskId);
if (pHistoryTask == NULL) {
tqError("vgId:%d process pause req, failed to acquire fill-history task:0x%" PRIx64
", it may have been dropped already",
pMeta->vgId, pTask->hTaskInfo.id.taskId);
streamMetaReleaseTask(pMeta, pTask);
// since task is in [STOP|DROPPING] state, it is safe to assume the pause is active
return TSDB_CODE_SUCCESS;
}
tqDebug("s-task:%s fill-history task handle paused along with related stream task", pHistoryTask->id.idStr);
streamTaskPause(pHistoryTask, pMeta);
streamMetaReleaseTask(pMeta, pHistoryTask);
}
streamMetaReleaseTask(pMeta, pTask);
return TSDB_CODE_SUCCESS;
}
static int32_t tqProcessTaskResumeImpl(void* handle, SStreamTask* pTask, int64_t sversion, int8_t igUntreated, bool fromVnode) {
SStreamMeta *pMeta = fromVnode ? ((STQ*)handle)->pStreamMeta : handle;
int32_t vgId = pMeta->vgId;
if (pTask == NULL) {
return -1;
}
streamTaskResume(pTask);
ETaskStatus status = streamTaskGetStatus(pTask, NULL);
int32_t level = pTask->info.taskLevel;
if (level == TASK_LEVEL__SINK) {
if (status == TASK_STATUS__UNINIT) {
}
streamMetaReleaseTask(pMeta, pTask);
return 0;
}
if (status == TASK_STATUS__READY || status == TASK_STATUS__SCAN_HISTORY || status == TASK_STATUS__CK) {
// no lock needs to secure the access of the version
if (igUntreated && level == TASK_LEVEL__SOURCE && !pTask->info.fillHistory) {
// discard all the data when the stream task is suspended.
walReaderSetSkipToVersion(pTask->exec.pWalReader, sversion);
tqDebug("vgId:%d s-task:%s resume to exec, prev paused version:%" PRId64 ", start from vnode ver:%" PRId64
", schedStatus:%d",
vgId, pTask->id.idStr, pTask->chkInfo.nextProcessVer, sversion, pTask->status.schedStatus);
} else { // from the previous paused version and go on
tqDebug("vgId:%d s-task:%s resume to exec, from paused ver:%" PRId64 ", vnode ver:%" PRId64 ", schedStatus:%d",
vgId, pTask->id.idStr, pTask->chkInfo.nextProcessVer, sversion, pTask->status.schedStatus);
}
if (level == TASK_LEVEL__SOURCE && pTask->info.fillHistory && status == TASK_STATUS__SCAN_HISTORY) {
streamStartScanHistoryAsync(pTask, igUntreated);
} else if (level == TASK_LEVEL__SOURCE && (streamQueueGetNumOfItems(pTask->inputq.queue) == 0)) {
tqScanWalAsync((STQ*)handle, false);
} else {
streamSchedExec(pTask);
}
} else if (status == TASK_STATUS__UNINIT) {
// todo: fill-history task init ?
if (pTask->info.fillHistory == 0) {
EStreamTaskEvent event = /*HAS_RELATED_FILLHISTORY_TASK(pTask) ? TASK_EVENT_INIT_STREAM_SCANHIST : */TASK_EVENT_INIT;
streamTaskHandleEvent(pTask->status.pSM, event);
}
}
streamMetaReleaseTask(pMeta, pTask);
return 0;
}
int32_t tqStreamTaskProcessTaskResumeReq(void* handle, int64_t sversion, char* msg, bool fromVnode){
SVResumeStreamTaskReq* pReq = (SVResumeStreamTaskReq*)msg;
SStreamMeta *pMeta = fromVnode ? ((STQ*)handle)->pStreamMeta : handle;
SStreamTask* pTask = streamMetaAcquireTask(pMeta, pReq->streamId, pReq->taskId);
int32_t code = tqProcessTaskResumeImpl(handle, pTask, sversion, pReq->igUntreated, fromVnode);
if (code != 0) {
return code;
}
STaskId* pHTaskId = &pTask->hTaskInfo.id;
SStreamTask* pHistoryTask = streamMetaAcquireTask(pMeta, pHTaskId->streamId, pHTaskId->taskId);
if (pHistoryTask) {
code = tqProcessTaskResumeImpl(handle, pHistoryTask, sversion, pReq->igUntreated, fromVnode);
}
return code;
}

8
source/libs/stream/src/streamMeta.c
View File

@ -377,16 +377,16 @@ SStreamMeta* streamMetaOpen(const char* path, void* ahandle, FTaskExpand expandF
pMeta->rid = taosAddRef(streamMetaId, pMeta);
// set the attribute when running on Linux OS
#if defined LINUX
TdThreadRwlockAttr attr;
taosThreadRwlockAttrInit(&attr);
#ifdef LINUX
pthread_rwlockattr_setkind_np(&attr, PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP);
taosThreadRwlockInit(&pMeta->lock, &attr);
taosThreadRwlockAttrDestroy(&attr);
#endif
taosThreadRwlockInit(&pMeta->lock, &attr);
taosThreadRwlockAttrDestroy(&attr);
int64_t* pRid = taosMemoryMalloc(sizeof(int64_t));
memcpy(pRid, &pMeta->rid, sizeof(pMeta->rid));
metaRefMgtAdd(pMeta->vgId, pRid);