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refactor: adjust the lock procedure for unregister stream tasks.

This commit is contained in:
Haojun Liao 2024-12-06 09:20:39 +08:00
parent 406e877700
commit 43ad35f911
4 changed files with 2 additions and 16 deletions
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3
source/dnode/vnode/src/sma/smaRollup.c
View File

@ -254,11 +254,12 @@ static void tdRSmaTaskInit(SStreamMeta *pMeta, SRSmaInfoItem *pItem, SStreamTask
}
static void tdRSmaTaskRemove(SStreamMeta *pMeta, int64_t streamId, int32_t taskId) {
streamMetaWLock(pMeta);
int32_t code = streamMetaUnregisterTask(pMeta, streamId, taskId);
if (code != 0) {
smaError("vgId:%d, rsma task:%" PRIi64 ",%d drop failed since %s", pMeta->vgId, streamId, taskId, tstrerror(code));
}
streamMetaWLock(pMeta);
int32_t numOfTasks = streamMetaGetNumOfTasks(pMeta);
if (streamMetaCommit(pMeta) < 0) {
// persist to disk

3
source/dnode/vnode/src/tqCommon/tqCommon.c
View File

@ -718,8 +718,6 @@ int32_t tqStreamTaskProcessDropReq(SStreamMeta* pMeta, char* msg, int32_t msgLen
}
}
streamMetaWUnLock(pMeta);
// drop the related fill-history task firstly
if (hTaskId.taskId != 0 && hTaskId.streamId != 0) {
tqDebug("s-task:0x%x vgId:%d drop rel fill-history task:0x%x firstly", pReq->taskId, vgId, (int32_t)hTaskId.taskId);
@ -737,7 +735,6 @@ int32_t tqStreamTaskProcessDropReq(SStreamMeta* pMeta, char* msg, int32_t msgLen
}
// commit the update
streamMetaWLock(pMeta);
int32_t numOfTasks = streamMetaGetNumOfTasks(pMeta);
tqDebug("vgId:%d task:0x%x dropped, remain tasks:%d", vgId, pReq->taskId, numOfTasks);

6
source/libs/stream/src/streamCheckpoint.c
View File

@ -591,7 +591,6 @@ int32_t streamTaskUpdateTaskCheckpointInfo(SStreamTask* pTask, bool restored, SV
{ // destroy the related fill-history tasks
// drop task should not in the meta-lock, and drop the related fill-history task now
streamMetaWUnLock(pMeta);
if (pReq->dropRelHTask) {
code = streamMetaUnregisterTask(pMeta, pReq->hStreamId, pReq->hTaskId);
int32_t numOfTasks = streamMetaGetNumOfTasks(pMeta);
@ -599,7 +598,6 @@ int32_t streamTaskUpdateTaskCheckpointInfo(SStreamTask* pTask, bool restored, SV
id, vgId, pReq->taskId, numOfTasks);
}
streamMetaWLock(pMeta);
if (pReq->dropRelHTask) {
code = streamMetaCommit(pMeta);
}
@ -675,8 +673,6 @@ int32_t streamTaskUpdateTaskCheckpointInfo(SStreamTask* pTask, bool restored, SV
return TSDB_CODE_SUCCESS;
}
streamMetaWUnLock(pMeta);
// drop task should not in the meta-lock, and drop the related fill-history task now
if (pReq->dropRelHTask) {
code = streamMetaUnregisterTask(pMeta, pReq->hStreamId, pReq->hTaskId);
@ -685,9 +681,7 @@ int32_t streamTaskUpdateTaskCheckpointInfo(SStreamTask* pTask, bool restored, SV
(int32_t)pReq->hTaskId, numOfTasks);
}
streamMetaWLock(pMeta);
code = streamMetaCommit(pMeta);
return TSDB_CODE_SUCCESS;
}

6
source/libs/stream/src/streamMeta.c
View File

@ -501,8 +501,6 @@ _err:
void streamMetaInitBackend(SStreamMeta* pMeta) {
pMeta->streamBackend = streamBackendInit(pMeta->path, pMeta->chkpId, pMeta->vgId);
if (pMeta->streamBackend == NULL) {
streamMetaWUnLock(pMeta);
while (1) {
streamMetaWLock(pMeta);
pMeta->streamBackend = streamBackendInit(pMeta->path, pMeta->chkpId, pMeta->vgId);
@ -908,8 +906,6 @@ int32_t streamMetaUnregisterTask(SStreamMeta* pMeta, int64_t streamId, int32_t t
int32_t code = 0;
STaskId id = {.streamId = streamId, .taskId = taskId};
streamMetaWLock(pMeta);
code = streamMetaAcquireTaskUnsafe(pMeta, &id, &pTask);
if (code == 0) {
// desc the paused task counter
@ -958,10 +954,8 @@ int32_t streamMetaUnregisterTask(SStreamMeta* pMeta, int64_t streamId, int32_t t
}
streamMetaReleaseTask(pMeta, pTask);
streamMetaWUnLock(pMeta);
} else {
stDebug("vgId:%d failed to find the task:0x%x, it may have been dropped already", vgId, taskId);
streamMetaWUnLock(pMeta);
}
return 0;