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fix(stream): avoid dead lock.

This commit is contained in:
Haojun Liao 2023-12-20 18:07:53 +08:00
parent 43fb7cf14a
commit 849aaf8d4f
2 changed files with 15 additions and 7 deletions
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1
source/libs/stream/src/streamMeta.c
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@ -1215,6 +1215,7 @@ bool streamMetaTaskInTimer(SStreamMeta* pMeta) {
SStreamTask* pTask = *(SStreamTask**)pIter;
if (pTask->status.timerActive >= 1) {
stDebug("s-task:%s in timer, blocking tasks in vgId:%d restart", pTask->id.idStr, pMeta->vgId);
inTimer = true;
}
}

15
source/libs/stream/src/streamStart.c
View File

@ -48,6 +48,10 @@ static void tryLaunchHistoryTask(void* param, void* tmrId);
static void doProcessDownstreamReadyRsp(SStreamTask* pTask);
int32_t streamTaskSetReady(SStreamTask* pTask) {
SStreamMeta* pMeta = pTask->pMeta;
SStreamTaskId id = pTask->id;
int64_t initTs = pTask->execInfo.init;
int64_t startTs = pTask->execInfo.start;
char* p = NULL;
int32_t numOfDowns = streamTaskGetNumOfDownstream(pTask);
ETaskStatus status = streamTaskGetStatus(pTask, &p);
@ -67,8 +71,12 @@ int32_t streamTaskSetReady(SStreamTask* pTask) {
stDebug("s-task:%s all %d downstream ready, init completed, elapsed time:%" PRId64 "ms, task status:%s",
pTask->id.idStr, numOfDowns, el, p);
streamMetaUpdateTaskDownstreamStatus(pTask->pMeta, pTask->id.streamId, pTask->id.taskId, pTask->execInfo.init,
pTask->execInfo.start, true);
taosThreadMutexUnlock(&pTask->lock);
// to avoid deadlock
streamMetaUpdateTaskDownstreamStatus(pMeta, id.streamId, id.taskId, initTs, startTs, true);
taosThreadMutexLock(&pTask->lock);
return TSDB_CODE_SUCCESS;
}
@ -461,8 +469,7 @@ int32_t streamProcessCheckRsp(SStreamTask* pTask, const SStreamTaskCheckRsp* pRs
if (pRsp->status == TASK_UPSTREAM_NEW_STAGE) {
stError("s-task:%s vgId:%d self vnode-transfer/leader-change/restart detected, old stage:%" PRId64
", current stage:%" PRId64
", "
"not check wait for downstream task nodeUpdate, and all tasks restart",
", not check wait for downstream task nodeUpdate, and all tasks restart",
id, pRsp->upstreamNodeId, pRsp->oldStage, pTask->pMeta->stage);
addIntoNodeUpdateList(pTask, pRsp->upstreamNodeId);
} else {