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fix(stream): fix deadlock.

This commit is contained in:
Haojun Liao 2024-04-16 15:37:51 +08:00
parent 8bdd43c305
commit 5ae8b68b17
1 changed files with 11 additions and 5 deletions
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16
source/dnode/mnode/impl/src/mndStream.c
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@ -817,7 +817,7 @@ _OVER:
return terrno;
}
int64_t mndStreamGenChkpId(SMnode *pMnode) {
int64_t mndStreamGenChkptId(SMnode *pMnode, bool lock) {
SStreamObj *pStream = NULL;
void *pIter = NULL;
SSdb *pSdb = pMnode->pSdb;
@ -834,7 +834,10 @@ int64_t mndStreamGenChkpId(SMnode *pMnode) {
{ // check the max checkpoint id from all vnodes.
int64_t maxCheckpointId = -1;
taosThreadMutexLock(&execInfo.lock);
if (lock) {
taosThreadMutexLock(&execInfo.lock);
}
for (int32_t i = 0; i < taosArrayGetSize(execInfo.pTaskList); ++i) {
STaskId *p = taosArrayGet(execInfo.pTaskList, i);
@ -852,7 +855,10 @@ int64_t mndStreamGenChkpId(SMnode *pMnode) {
}
}
taosThreadMutexUnlock(&execInfo.lock);
if (lock) {
taosThreadMutexUnlock(&execInfo.lock);
}
if (maxCheckpointId > maxChkptId) {
mDebug("max checkpointId in mnode:%" PRId64 ", smaller than max checkpointId in vnode:%" PRId64, maxChkptId,
maxCheckpointId);
@ -872,7 +878,7 @@ static int32_t mndProcessStreamCheckpointTmr(SRpcMsg *pReq) {
}
SMStreamDoCheckpointMsg *pMsg = rpcMallocCont(sizeof(SMStreamDoCheckpointMsg));
pMsg->checkpointId = mndStreamGenChkpId(pMnode);
pMsg->checkpointId = mndStreamGenChkptId(pMnode, true);
int32_t size = sizeof(SMStreamDoCheckpointMsg);
SRpcMsg rpcMsg = {.msgType = TDMT_MND_STREAM_BEGIN_CHECKPOINT, .pCont = pMsg, .contLen = size};
@ -2329,7 +2335,7 @@ int32_t mndProcessStreamReqCheckpoint(SRpcMsg *pReq) {
int32_t total = taosArrayGetSize(*pReqTaskList);
if (total == numOfTasks) { // all tasks has send the reqs
int64_t checkpointId = mndStreamGenChkpId(pMnode);
int64_t checkpointId = mndStreamGenChkptId(pMnode, false);
mInfo("stream:0x%" PRIx64 " all tasks req checkpoint, start checkpointId:%" PRId64, req.streamId, checkpointId);
if (pStream != NULL) { // TODO:handle error