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adjust more code

This commit is contained in:
Hongze Cheng 2023-01-09 10:09:31 +08:00
parent 31fbf9e9d3
commit 375545435c
1 changed files with 36 additions and 27 deletions
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63
source/dnode/vnode/src/vnd/vnodeCommit.c
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@ -23,44 +23,53 @@ static int vnodeCommitImpl(SCommitInfo *pInfo);
#define WAIT_TIME_MILI_SEC 10 // miliseconds
static int32_t vnodeTryRecycleBufPool(SVnode *pVnode) {
int32_t code = 0;
ASSERT(0); // TODO
_exit:
return code;
}
int vnodeBegin(SVnode *pVnode) {
// alloc buffer pool
taosThreadMutexLock(&pVnode->mutex);
int32_t nTry = 0;
for (;;) {
while (pVnode->freeList == NULL) { // move here below
vDebug("vgId:%d no free buffer pool, try to wait %d...", TD_VID(pVnode), ++nTry);
struct timeval tv;
struct timespec ts;
taosGetTimeOfDay(&tv);
ts.tv_sec = tv.tv_sec;
ts.tv_nsec = tv.tv_usec * 1000 + WAIT_TIME_MILI_SEC * 1000000;
int32_t rc = taosThreadCondTimedWait(&pVnode->poolNotEmpty, &pVnode->mutex, &ts);
if (rc == ETIMEDOUT) { // time out, break
break;
} else if (rc != 0) { // error occurred
terrno = TAOS_SYSTEM_ERROR(rc);
vError("vgId:%d %s failed since %s", TD_VID(pVnode), __func__, tstrerror(terrno));
taosThreadMutexUnlock(&pVnode->mutex);
return -1;
}
}
while (++nTry) {
if (pVnode->freeList) {
// allocate from free list
vDebug("vgId:%d allocate free buffer pool on %d try, pPool:%p", TD_VID(pVnode), nTry, pVnode->freeList);
pVnode->inUse = pVnode->freeList;
pVnode->inUse->nRef = 1;
pVnode->freeList = pVnode->inUse->freeNext;
pVnode->inUse->freeNext = NULL;
break;
} else if (nTry == 1) {
// try to recycle a buffer pool
vInfo("vgId:%d no free buffer pool, try to recycle...", TD_VID(pVnode));
ASSERT(false); // TODO: condition of nTry == 1 may not be reasonable
} else {
vInfo("vgId:%d no free buffer pool on %d try, try to recycle...", TD_VID(pVnode), nTry);
terrno = vnodeTryRecycleBufPool(pVnode);
if (terrno != TSDB_CODE_SUCCESS) {
vError("vgId:%d %s failed since %s", TD_VID(pVnode), __func__, tstrerror(terrno));
taosThreadMutexUnlock(&pVnode->mutex);
return -1;
}
if (pVnode->freeList == NULL) {
vDebug("vgId:%d no free buffer pool on %d try, wait %d ms...", TD_VID(pVnode), nTry, WAIT_TIME_MILI_SEC);
struct timeval tv;
struct timespec ts;
taosGetTimeOfDay(&tv);
ts.tv_sec = tv.tv_sec;
ts.tv_nsec = tv.tv_usec * 1000 + WAIT_TIME_MILI_SEC * 1000000;
int32_t rc = taosThreadCondTimedWait(&pVnode->poolNotEmpty, &pVnode->mutex, &ts);
if (rc && rc != ETIMEDOUT) {
terrno = TAOS_SYSTEM_ERROR(rc);
vError("vgId:%d %s failed since %s", TD_VID(pVnode), __func__, tstrerror(terrno));
taosThreadMutexUnlock(&pVnode->mutex);
return -1;
}
}
}
}