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fix(stream): fetch all data before paused and dump to sink node.

This commit is contained in:
Haojun Liao 2023-08-01 10:16:14 +08:00
parent 0e3fd5277d
commit ac00e1d520
3 changed files with 29 additions and 24 deletions
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2
include/libs/stream/tstream.h
View File

@ -590,7 +590,7 @@ bool streamTaskIsIdle(const SStreamTask* pTask);
int32_t streamTaskEndScanWAL(SStreamTask* pTask);
SStreamChildEpInfo * streamTaskGetUpstreamTaskEpInfo(SStreamTask* pTask, int32_t taskId);
int32_t streamScanExec(SStreamTask* pTask, int32_t batchSz);
int32_t streamScanExec(SStreamTask* pTask, int32_t batchSize);
char* createStreamTaskIdStr(int64_t streamId, int32_t taskId);

30
source/libs/executor/src/executor.c
View File

@ -647,23 +647,33 @@ int32_t qExecTask(qTaskInfo_t tinfo, SSDataBlock** pRes, uint64_t* useconds) {
*pRes = NULL;
int64_t curOwner = 0;
if ((curOwner = atomic_val_compare_exchange_64(&pTaskInfo->owner, 0, threadId)) != 0) {
// todo extract method
taosRLockLatch(&pTaskInfo->lock);
bool isKilled = isTaskKilled(pTaskInfo);
if (isKilled) {
clearStreamBlock(pTaskInfo->pRoot);
qDebug("%s already killed, abort", GET_TASKID(pTaskInfo));
taosRUnLockLatch(&pTaskInfo->lock);
return TSDB_CODE_SUCCESS;
}
if (pTaskInfo->owner != 0) {
qError("%s-%p execTask is now executed by thread:%p", GET_TASKID(pTaskInfo), pTaskInfo, (void*)curOwner);
pTaskInfo->code = TSDB_CODE_QRY_IN_EXEC;
taosRUnLockLatch(&pTaskInfo->lock);
return pTaskInfo->code;
}
pTaskInfo->owner = threadId;
taosRUnLockLatch(&pTaskInfo->lock);
if (pTaskInfo->cost.start == 0) {
pTaskInfo->cost.start = taosGetTimestampUs();
}
if (isTaskKilled(pTaskInfo)) {
clearStreamBlock(pTaskInfo->pRoot);
atomic_store_64(&pTaskInfo->owner, 0);
qDebug("%s already killed, abort", GET_TASKID(pTaskInfo));
return TSDB_CODE_SUCCESS;
}
// error occurs, record the error code and return to client
int32_t ret = setjmp(pTaskInfo->env);
if (ret != TSDB_CODE_SUCCESS) {
@ -767,11 +777,13 @@ int32_t qKillTask(qTaskInfo_t tinfo, int32_t rspCode) {
qDebug("%s sync killed execTask", GET_TASKID(pTaskInfo));
setTaskKilled(pTaskInfo, TSDB_CODE_TSC_QUERY_KILLED);
taosWLockLatch(&pTaskInfo->lock);
while (qTaskIsExecuting(pTaskInfo)) {
taosMsleep(10);
}
pTaskInfo->code = rspCode;
taosWUnLockLatch(&pTaskInfo->lock);
return TSDB_CODE_SUCCESS;
}

21
source/libs/stream/src/streamExec.c
View File

@ -163,7 +163,7 @@ static int32_t streamTaskExecImpl(SStreamTask* pTask, SStreamQueueItem* pItem, i
return code;
}
int32_t streamScanExec(SStreamTask* pTask, int32_t batchSz) {
int32_t streamScanExec(SStreamTask* pTask, int32_t batchSize) {
ASSERT(pTask->info.taskLevel == TASK_LEVEL__SOURCE);
int32_t code = TSDB_CODE_SUCCESS;
void* exec = pTask->exec.pExecutor;
@ -175,7 +175,7 @@ int32_t streamScanExec(SStreamTask* pTask, int32_t batchSz) {
if (streamTaskShouldPause(&pTask->status)) {
double el = (taosGetTimestampMs() - pTask->tsInfo.step1Start) / 1000.0;
qDebug("s-task:%s paused from the scan-history task, elapsed time:%.2fsec", pTask->id.idStr, el);
return 0;
break;
}
SArray* pRes = taosArrayInit(0, sizeof(SSDataBlock));
@ -191,10 +191,6 @@ int32_t streamScanExec(SStreamTask* pTask, int32_t batchSz) {
return 0;
}
if (streamTaskShouldPause(&pTask->status)) {
break;
}
SSDataBlock* output = NULL;
uint64_t ts = 0;
code = qExecTask(exec, &output, &ts);
@ -204,13 +200,9 @@ int32_t streamScanExec(SStreamTask* pTask, int32_t batchSz) {
}
// the generated results before fill-history task been paused, should be dispatched to sink node
if (output == NULL && qStreamRecoverScanFinished(exec)) {
finished = true;
break;
} else {
if (output == NULL) {
ASSERT(0);
}
finished = qStreamRecoverScanFinished(exec);
break;
}
SSDataBlock block = {0};
@ -219,8 +211,9 @@ int32_t streamScanExec(SStreamTask* pTask, int32_t batchSz) {
taosArrayPush(pRes, &block);
numOfBlocks++;
qDebug("s-task:%s scan exec numOfBlocks:%d, limit:%d", pTask->id.idStr, numOfBlocks, batchSz);
if (numOfBlocks >= batchSz) {
if (numOfBlocks >= batchSize || code != TSDB_CODE_SUCCESS) {
qDebug("s-task:%s scan exec numOfBlocks:%d, limit:%d, code:%s", pTask->id.idStr, numOfBlocks, batchSize,
tstrerror(code));
break;
}
}