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fix(stream): fix dead-lock.

This commit is contained in:
Haojun Liao 2024-06-03 19:14:45 +08:00
parent 3b3ed1c30c
commit 407f79cfa6
1 changed files with 11 additions and 13 deletions
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24
source/libs/stream/src/streamCheckpoint.c
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@ -332,17 +332,15 @@ int32_t streamProcessCheckpointReadyMsg(SStreamTask* pTask, int64_t checkpointId
// 1. not in checkpoint status now
SStreamTaskState* pStat = streamTaskGetStatus(pTask);
if (pStat->state != TASK_STATUS__CK) {
stError("s-task:%s status:%s discard checkpoint-ready msg from task:0x%x", id, pStat->name, downstreamTaskId);
return TSDB_CODE_STREAM_TASK_IVLD_STATUS;
}
// 2. expired checkpoint-ready msg
if (pTask->chkInfo.checkpointId > checkpointId) {
// discard it directly
return -1;
}
// invalid checkpoint-ready msg
if (pInfo->activeId != checkpointId) {
// 2. expired checkpoint-ready msg, invalid checkpoint-ready msg
if (pTask->chkInfo.checkpointId > checkpointId || pInfo->activeId != checkpointId) {
stError("s-task:%s status:%s checkpointId:%" PRId64 " new arrival checkpoint-ready msg (checkpointId:%" PRId64
") from task:0x%x, expired and discard ",
id, pStat->name, pTask->chkInfo.checkpointId, checkpointId, downstreamTaskId);
return -1;
}
@ -372,13 +370,14 @@ int32_t streamProcessCheckpointReadyMsg(SStreamTask* pTask, int64_t checkpointId
}
int32_t notReady = total - taosArrayGetSize(pInfo->pCheckpointReadyRecvList);
int32_t transId = pInfo->transId;
taosThreadMutexUnlock(&pInfo->lock);
if (notReady == 0) {
stDebug("s-task:%s all downstream task(s) have completed build checkpoint, start to do checkpoint for current task",
id);
appendCheckpointIntoInputQ(pTask, STREAM_INPUT__CHECKPOINT, pInfo->activeId, pInfo->transId);
stDebug("s-task:%s all downstream task(s) have completed build checkpoint, start to do checkpoint for current task", id);
appendCheckpointIntoInputQ(pTask, STREAM_INPUT__CHECKPOINT, checkpointId, transId);
}
taosThreadMutexUnlock(&pInfo->lock);
return 0;
}
@ -944,7 +943,6 @@ void streamTaskSetTriggerDispatchConfirmed(SStreamTask* pTask, int32_t vgId) {
SActiveCheckpointInfo* pInfo = pTask->chkInfo.pActiveInfo;
int32_t taskId = 0;
taosThreadMutexLock(&pInfo->lock);
for (int32_t i = 0; i < taosArrayGetSize(pInfo->pDispatchTriggerList); ++i) {