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Merge pull request #25776 from taosdata/fix/TD-30049 

fix(tsdb): fix deadlock when stopping reader.
This commit is contained in:
Haojun Liao 2024-05-15 09:15:18 +08:00 committed by GitHub
parent 156b5e71f4 241f8b3d2e
commit f905558c38
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GPG Key ID: B5690EEEBB952194
2 changed files with 12 additions and 7 deletions
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17
source/libs/executor/src/executor.c
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@ -824,14 +824,17 @@ int32_t qKillTask(qTaskInfo_t tinfo, int32_t rspCode) {
qDebug("%s sync killed execTask", GET_TASKID(pTaskInfo)); qDebug("%s sync killed execTask", GET_TASKID(pTaskInfo));
setTaskKilled(pTaskInfo, TSDB_CODE_TSC_QUERY_KILLED); setTaskKilled(pTaskInfo, TSDB_CODE_TSC_QUERY_KILLED);
taosWLockLatch(&pTaskInfo->lock); while(1) {
while (qTaskIsExecuting(pTaskInfo)) { taosWLockLatch(&pTaskInfo->lock);
taosMsleep(10); if (qTaskIsExecuting(pTaskInfo)) { // let's wait for 100 ms and try again
taosWUnLockLatch(&pTaskInfo->lock);
taosMsleep(100);
} else { // not running now
pTaskInfo->code = rspCode;
taosWUnLockLatch(&pTaskInfo->lock);
return TSDB_CODE_SUCCESS;
}
} }
pTaskInfo->code = rspCode;
taosWUnLockLatch(&pTaskInfo->lock);
return TSDB_CODE_SUCCESS;
} }
bool qTaskIsExecuting(qTaskInfo_t qinfo) { bool qTaskIsExecuting(qTaskInfo_t qinfo) {

2
source/libs/stream/src/streamMeta.c
View File

@ -1631,6 +1631,8 @@ int32_t streamMetaAddFailedTask(SStreamMeta* pMeta, int64_t streamId, int32_t ta
streamMetaAddTaskLaunchResult(pMeta, hId.streamId, hId.taskId, startTs, now, false); streamMetaAddTaskLaunchResult(pMeta, hId.streamId, hId.taskId, startTs, now, false);
} }
} else { } else {
streamMetaRUnLock(pMeta);
stError("failed to locate the stream task:0x%" PRIx64 "-0x%x (vgId:%d), it may have been destroyed or stopped", stError("failed to locate the stream task:0x%" PRIx64 "-0x%x (vgId:%d), it may have been destroyed or stopped",
streamId, taskId, pMeta->vgId); streamId, taskId, pMeta->vgId);
code = TSDB_CODE_STREAM_TASK_NOT_EXIST; code = TSDB_CODE_STREAM_TASK_NOT_EXIST;