prepare all subqueries object before launch subqueries. and add some check for global status object during super table query.
This commit is contained in:
hjxilinx
parent
d1c3128237
commit
dcc175edac
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@ -870,28 +870,26 @@ int tscProcessSql(SSqlObj *pSql) {
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return doProcessSql(pSql);
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}
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static void doCleanupSubqueries(SSqlObj *pSql, int32_t vnodeIndex, int32_t numOfVnodes, SRetrieveSupport *pTrs,
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tOrderDescriptor *pDesc, tColModel *pModel, tExtMemBuffer **pMemoryBuf,
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SSubqueryState *pState) {
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pSql->cmd.command = TSDB_SQL_RETRIEVE_METRIC;
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pSql->res.code = TSDB_CODE_CLI_OUT_OF_MEMORY;
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/*
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* if i > 0, at least one sub query is issued, the allocated resource is
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* freed by it when subquery completed.
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*/
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if (vnodeIndex == 0) {
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tscLocalReducerEnvDestroy(pMemoryBuf, pDesc, pModel, numOfVnodes);
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tfree(pState);
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if (pTrs != NULL) {
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tfree(pTrs->localBuffer);
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pthread_mutex_unlock(&pTrs->queryMutex);
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pthread_mutex_destroy(&pTrs->queryMutex);
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tfree(pTrs);
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}
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static void doCleanupSubqueries(SSqlObj *pSql, int32_t numOfSubs, SSubqueryState* pState) {
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assert(numOfSubs <= pSql->numOfSubs && numOfSubs >= 0 && pState != NULL);
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for(int32_t i = 0; i < numOfSubs; ++i) {
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SSqlObj* pSub = pSql->pSubs[i];
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assert(pSub != NULL);
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SRetrieveSupport* pSupport = pSub->param;
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tfree(pSupport->localBuffer);
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pthread_mutex_unlock(&pSupport->queryMutex);
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pthread_mutex_destroy(&pSupport->queryMutex);
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tfree(pSupport);
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tscFreeSqlObj(pSub);
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}
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free(pState);
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}
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int tscLaunchMetricSubQueries(SSqlObj *pSql) {
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@ -911,8 +909,9 @@ int tscLaunchMetricSubQueries(SSqlObj *pSql) {
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const uint32_t nBufferSize = (1 << 16); // 64KB
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SMeterMetaInfo *pMeterMetaInfo = tscGetMeterMetaInfo(&pSql->cmd, 0);
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int32_t numOfVnodes = pMeterMetaInfo->pMetricMeta->numOfVnodes;
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assert(numOfVnodes > 0);
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int32_t numOfSubQueries = pMeterMetaInfo->pMetricMeta->numOfVnodes;
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assert(numOfSubQueries > 0);
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int32_t ret = tscLocalReducerEnvCreate(pSql, &pMemoryBuf, &pDesc, &pModel, nBufferSize);
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if (ret != 0) {
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@ -923,36 +922,33 @@ int tscLaunchMetricSubQueries(SSqlObj *pSql) {
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return pRes->code;
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}
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pSql->pSubs = malloc(POINTER_BYTES * numOfVnodes);
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pSql->numOfSubs = numOfVnodes;
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pSql->pSubs = calloc(numOfSubQueries, POINTER_BYTES);
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pSql->numOfSubs = numOfSubQueries;
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tscTrace("%p retrieved query data from %d vnode(s)", pSql, numOfVnodes);
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tscTrace("%p retrieved query data from %d vnode(s)", pSql, numOfSubQueries);
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SSubqueryState *pState = calloc(1, sizeof(SSubqueryState));
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pState->numOfTotal = numOfVnodes;
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pState->numOfTotal = numOfSubQueries;
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pRes->code = TSDB_CODE_SUCCESS;
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for (int32_t i = 0; i < numOfVnodes; ++i) {
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if (pRes->code == TSDB_CODE_QUERY_CANCELLED || pRes->code == TSDB_CODE_CLI_OUT_OF_MEMORY) {
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/*
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* during launch sub queries, if the master query is cancelled. the remain is ignored and set the retrieveDoneRec
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* to the value of remaining not built sub-queries. So, the already issued sub queries can successfully free
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* allocated resources.
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*/
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pState->numOfCompleted = (numOfVnodes - i);
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doCleanupSubqueries(pSql, i, numOfVnodes, NULL, pDesc, pModel, pMemoryBuf, pState);
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if (i == 0) {
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return pSql->res.code;
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}
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int32_t i = 0;
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for (; i < numOfSubQueries; ++i) {
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SRetrieveSupport *trs = (SRetrieveSupport *)calloc(1, sizeof(SRetrieveSupport));
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if (trs == NULL) {
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tscError("%p failed to malloc buffer for SRetrieveSupport, orderOfSub:%d, reason:%s", pSql, i, strerror(errno));
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break;
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}
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SRetrieveSupport *trs = (SRetrieveSupport *)calloc(1, sizeof(SRetrieveSupport));
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trs->pExtMemBuffer = pMemoryBuf;
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trs->pOrderDescriptor = pDesc;
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trs->pState = pState;
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trs->localBuffer = (tFilePage *)calloc(1, nBufferSize + sizeof(tFilePage));
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if (trs->localBuffer == NULL) {
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tscError("%p failed to malloc buffer for local buffer, orderOfSub:%d, reason:%s", pSql, i, strerror(errno));
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tfree(trs);
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break;
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}
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trs->subqueryIndex = i;
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trs->pParentSqlObj = pSql;
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trs->pFinalColModel = pModel;
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@ -963,15 +959,10 @@ int tscLaunchMetricSubQueries(SSqlObj *pSql) {
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pthread_mutexattr_destroy(&mutexattr);
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SSqlObj *pNew = tscCreateSqlObjForSubquery(pSql, trs, NULL);
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if (pNew == NULL) {
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pState->numOfCompleted = (numOfVnodes - i);
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doCleanupSubqueries(pSql, i, numOfVnodes, trs, pDesc, pModel, pMemoryBuf, pState);
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if (i == 0) {
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return pSql->res.code;
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}
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tscError("%p failed to malloc buffer for subObj, orderOfSub:%d, reason:%s", pSql, i, strerror(errno));
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tfree(trs->localBuffer);
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tfree(trs);
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break;
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}
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@ -979,9 +970,31 @@ int tscLaunchMetricSubQueries(SSqlObj *pSql) {
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if (pSql->cmd.tsBuf) {
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pNew->cmd.tsBuf = tsBufClone(pSql->cmd.tsBuf);
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}
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tscTrace("%p sub:%p launch subquery.orderOfSub:%d", pSql, pNew, trs->subqueryIndex);
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tscProcessSql(pNew);
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tscTrace("%p sub:%p create subquery success. orderOfSub:%d", pSql, pNew, trs->subqueryIndex);
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}
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if (i < numOfSubQueries) {
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tscError("%p failed to prepare subquery structure and launch subqueries", pSql);
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pRes->code = TSDB_CODE_CLI_OUT_OF_MEMORY;
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tscLocalReducerEnvDestroy(pMemoryBuf, pDesc, pModel, numOfSubQueries);
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doCleanupSubqueries(pSql, i, pState);
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return pRes->code; // free all allocated resource
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}
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if (pRes->code == TSDB_CODE_QUERY_CANCELLED) {
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tscLocalReducerEnvDestroy(pMemoryBuf, pDesc, pModel, numOfSubQueries);
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doCleanupSubqueries(pSql, i, pState);
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return pRes->code;
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}
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for(int32_t j = 0; j < numOfSubQueries; ++j) {
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SSqlObj* pSub = pSql->pSubs[j];
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SRetrieveSupport* pSupport = pSub->param;
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tscTrace("%p sub:%p launch subquery, orderOfSub:%d.", pSql, pSub, pSupport->subqueryIndex);
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tscProcessSql(pSub);
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}
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return TSDB_CODE_SUCCESS;
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@ -1032,10 +1045,13 @@ static void tscHandleSubRetrievalError(SRetrieveSupport *trsupport, SSqlObj *pSq
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int32_t subqueryIndex = trsupport->subqueryIndex;
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assert(pSql != NULL);
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SSubqueryState* pState = trsupport->pState;
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assert(pState->numOfCompleted < pState->numOfTotal && pState->numOfCompleted >= 0 &&
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pPObj->numOfSubs == pState->numOfTotal);
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/* retrieved in subquery failed. OR query cancelled in retrieve phase. */
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if (trsupport->pState->code == TSDB_CODE_SUCCESS && pPObj->res.code != TSDB_CODE_SUCCESS) {
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trsupport->pState->code = -(int)pPObj->res.code;
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if (pState->code == TSDB_CODE_SUCCESS && pPObj->res.code != TSDB_CODE_SUCCESS) {
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pState->code = -(int)pPObj->res.code;
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/*
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* kill current sub-query connection, which may retrieve data from vnodes;
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@ -1044,15 +1060,15 @@ static void tscHandleSubRetrievalError(SRetrieveSupport *trsupport, SSqlObj *pSq
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pSql->res.numOfRows = 0;
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trsupport->numOfRetry = MAX_NUM_OF_SUBQUERY_RETRY; // disable retry efforts
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tscTrace("%p query is cancelled, sub:%p, orderOfSub:%d abort retrieve, code:%d", trsupport->pParentSqlObj, pSql,
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subqueryIndex, trsupport->pState->code);
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subqueryIndex, pState->code);
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}
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if (numOfRows >= 0) { // current query is successful, but other sub query failed, still abort current query.
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tscTrace("%p sub:%p retrieve numOfRows:%d,orderOfSub:%d", pPObj, pSql, numOfRows, subqueryIndex);
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tscError("%p sub:%p abort further retrieval due to other queries failure,orderOfSub:%d,code:%d", pPObj, pSql,
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subqueryIndex, trsupport->pState->code);
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subqueryIndex, pState->code);
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} else {
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if (trsupport->numOfRetry++ < MAX_NUM_OF_SUBQUERY_RETRY && trsupport->pState->code == TSDB_CODE_SUCCESS) {
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if (trsupport->numOfRetry++ < MAX_NUM_OF_SUBQUERY_RETRY && pState->code == TSDB_CODE_SUCCESS) {
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/*
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* current query failed, and the retry count is less than the available
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* count, retry query clear previous retrieved data, then launch a new sub query
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@ -1071,7 +1087,7 @@ static void tscHandleSubRetrievalError(SRetrieveSupport *trsupport, SSqlObj *pSq
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tscError("%p sub:%p failed to create new subquery sqlobj due to out of memory, abort retry",
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trsupport->pParentSqlObj, pSql);
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trsupport->pState->code = TSDB_CODE_CLI_OUT_OF_MEMORY;
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pState->code = TSDB_CODE_CLI_OUT_OF_MEMORY;
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trsupport->numOfRetry = MAX_NUM_OF_SUBQUERY_RETRY;
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return;
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}
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@ -1079,24 +1095,26 @@ static void tscHandleSubRetrievalError(SRetrieveSupport *trsupport, SSqlObj *pSq
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tscProcessSql(pNew);
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return;
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} else { // reach the maximum retry count, abort
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atomic_val_compare_exchange_32(&trsupport->pState->code, TSDB_CODE_SUCCESS, numOfRows);
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atomic_val_compare_exchange_32(&pState->code, TSDB_CODE_SUCCESS, numOfRows);
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tscError("%p sub:%p retrieve failed,code:%d,orderOfSub:%d failed.no more retry,set global code:%d", pPObj, pSql,
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numOfRows, subqueryIndex, trsupport->pState->code);
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numOfRows, subqueryIndex, pState->code);
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}
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}
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if (atomic_add_fetch_32(&trsupport->pState->numOfCompleted, 1) < trsupport->pState->numOfTotal) {
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int32_t finished = atomic_add_fetch_32(&pState->numOfCompleted, 1);
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if (finished < pState->numOfTotal) {
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tscTrace("%p sub:%p orderOfSub:%d freed, finished subqueries:%d", pPObj, pSql, trsupport->subqueryIndex, finished);
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return tscFreeSubSqlObj(trsupport, pSql);
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}
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// all subqueries are failed
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tscError("%p retrieve from %d vnode(s) completed,code:%d.FAILED.", pPObj, trsupport->pState->numOfTotal,
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trsupport->pState->code);
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pPObj->res.code = -(trsupport->pState->code);
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tscError("%p retrieve from %d vnode(s) completed,code:%d.FAILED.", pPObj, pState->numOfTotal,
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pState->code);
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pPObj->res.code = -(pState->code);
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// release allocated resource
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tscLocalReducerEnvDestroy(trsupport->pExtMemBuffer, trsupport->pOrderDescriptor, trsupport->pFinalColModel,
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trsupport->pState->numOfTotal);
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pState->numOfTotal);
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tfree(trsupport->pState);
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tscFreeSubSqlObj(trsupport, pSql);
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@ -1134,10 +1152,14 @@ void tscRetrieveFromVnodeCallBack(void *param, TAOS_RES *tres, int numOfRows) {
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return;
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}
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SSubqueryState* pState = trsupport->pState;
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assert(pState->numOfCompleted < pState->numOfTotal && pState->numOfCompleted >= 0 &&
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pPObj->numOfSubs == pState->numOfTotal);
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// query process and cancel query process may execute at the same time
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pthread_mutex_lock(&trsupport->queryMutex);
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if (numOfRows < 0 || trsupport->pState->code < 0 || pPObj->res.code != TSDB_CODE_SUCCESS) {
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if (numOfRows < 0 || pState->code < 0 || pPObj->res.code != TSDB_CODE_SUCCESS) {
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return tscHandleSubRetrievalError(trsupport, pSql, numOfRows);
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}
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@ -1150,10 +1172,10 @@ void tscRetrieveFromVnodeCallBack(void *param, TAOS_RES *tres, int numOfRows) {
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if (numOfRows > 0) {
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assert(pRes->numOfRows == numOfRows);
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atomic_add_fetch_64(&trsupport->pState->numOfRetrievedRows, numOfRows);
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atomic_add_fetch_64(&pState->numOfRetrievedRows, numOfRows);
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tscTrace("%p sub:%p retrieve numOfRows:%d totalNumOfRows:%d from ip:%u,vid:%d,orderOfSub:%d", pPObj, pSql,
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pRes->numOfRows, trsupport->pState->numOfRetrievedRows, pSvd->ip, pSvd->vnode, idx);
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pRes->numOfRows, pState->numOfRetrievedRows, pSvd->ip, pSvd->vnode, idx);
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#ifdef _DEBUG_VIEW
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printf("received data from vnode: %d rows\n", pRes->numOfRows);
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@ -1208,8 +1230,10 @@ void tscRetrieveFromVnodeCallBack(void *param, TAOS_RES *tres, int numOfRows) {
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/* set no disk space error info, and abort retry */
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return tscAbortFurtherRetryRetrieval(trsupport, tres, TSDB_CODE_CLI_NO_DISKSPACE);
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}
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if (atomic_add_fetch_32(&trsupport->pState->numOfCompleted, 1) < trsupport->pState->numOfTotal) {
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int32_t finished = atomic_add_fetch_32(&pState->numOfCompleted, 1);
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if (finished < pState->numOfTotal) {
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tscTrace("%p sub:%p orderOfSub:%d freed, finished subqueries:%d", pPObj, pSql, trsupport->subqueryIndex, finished);
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return tscFreeSubSqlObj(trsupport, pSql);
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}
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@ -1217,10 +1241,10 @@ void tscRetrieveFromVnodeCallBack(void *param, TAOS_RES *tres, int numOfRows) {
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pDesc->pSchema->maxCapacity = trsupport->pExtMemBuffer[idx]->numOfElemsPerPage;
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tscTrace("%p retrieve from %d vnodes completed.final NumOfRows:%d,start to build loser tree", pPObj,
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trsupport->pState->numOfTotal, trsupport->pState->numOfCompleted);
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pState->numOfTotal, pState->numOfCompleted);
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tscClearInterpInfo(&pPObj->cmd);
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tscCreateLocalReducer(trsupport->pExtMemBuffer, trsupport->pState->numOfTotal, pDesc, trsupport->pFinalColModel,
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tscCreateLocalReducer(trsupport->pExtMemBuffer, pState->numOfTotal, pDesc, trsupport->pFinalColModel,
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&pPObj->cmd, &pPObj->res);
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tscTrace("%p build loser tree completed", pPObj);
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@ -1229,7 +1253,8 @@ void tscRetrieveFromVnodeCallBack(void *param, TAOS_RES *tres, int numOfRows) {
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pPObj->res.row = 0;
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// only free once
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free(trsupport->pState);
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tfree(trsupport->pState);
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tscFreeSubSqlObj(trsupport, pSql);
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if (pPObj->fp == NULL) {
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@ -1322,13 +1347,17 @@ void tscRetrieveDataRes(void *param, TAOS_RES *tres, int code) {
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pSvd = &vnodeInfo->vpeerDesc[vnodeInfo->index];
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}
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if (trsupport->pParentSqlObj->res.code != TSDB_CODE_SUCCESS || trsupport->pState->code != TSDB_CODE_SUCCESS) {
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SSubqueryState* pState = trsupport->pState;
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assert(pState->numOfCompleted < pState->numOfTotal && pState->numOfCompleted >= 0 &&
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trsupport->pParentSqlObj->numOfSubs == pState->numOfTotal);
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if (trsupport->pParentSqlObj->res.code != TSDB_CODE_SUCCESS || pState->code != TSDB_CODE_SUCCESS) {
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// metric query is killed, Note: code must be less than 0
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trsupport->numOfRetry = MAX_NUM_OF_SUBQUERY_RETRY;
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if (trsupport->pParentSqlObj->res.code != TSDB_CODE_SUCCESS) {
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code = -(int)(trsupport->pParentSqlObj->res.code);
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} else {
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code = trsupport->pState->code;
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code = pState->code;
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}
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tscTrace("%p query cancelled or failed, sub:%p, orderOfSub:%d abort, code:%d", trsupport->pParentSqlObj, pSql,
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trsupport->subqueryIndex, code);
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@ -1344,7 +1373,7 @@ void tscRetrieveDataRes(void *param, TAOS_RES *tres, int code) {
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if (code != TSDB_CODE_SUCCESS) {
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if (trsupport->numOfRetry++ >= MAX_NUM_OF_SUBQUERY_RETRY) {
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tscTrace("%p sub:%p reach the max retry count,set global code:%d", trsupport->pParentSqlObj, pSql, code);
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atomic_val_compare_exchange_32(&trsupport->pState->code, 0, code);
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atomic_val_compare_exchange_32(&pState->code, 0, code);
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} else { // does not reach the maximum retry count, go on
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tscTrace("%p sub:%p failed code:%d, retry:%d", trsupport->pParentSqlObj, pSql, code, trsupport->numOfRetry);
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@ -1353,7 +1382,7 @@ void tscRetrieveDataRes(void *param, TAOS_RES *tres, int code) {
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tscError("%p sub:%p failed to create new subquery due to out of memory, abort retry, vid:%d, orderOfSub:%d",
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trsupport->pParentSqlObj, pSql, pSvd->vnode, trsupport->subqueryIndex);
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trsupport->pState->code = -TSDB_CODE_CLI_OUT_OF_MEMORY;
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pState->code = -TSDB_CODE_CLI_OUT_OF_MEMORY;
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trsupport->numOfRetry = MAX_NUM_OF_SUBQUERY_RETRY;
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} else {
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assert(pNew->cmd.pMeterInfo[0]->pMeterMeta != NULL && pNew->cmd.pMeterInfo[0]->pMetricMeta != NULL);
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@ -1363,17 +1392,17 @@ void tscRetrieveDataRes(void *param, TAOS_RES *tres, int code) {
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}
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}
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if (trsupport->pState->code != TSDB_CODE_SUCCESS) { // failed, abort
|
||||
if (pState->code != TSDB_CODE_SUCCESS) { // failed, abort
|
||||
if (vnodeInfo != NULL) {
|
||||
tscTrace("%p sub:%p query failed,ip:%u,vid:%d,orderOfSub:%d,global code:%d", trsupport->pParentSqlObj, pSql,
|
||||
vnodeInfo->vpeerDesc[vnodeInfo->index].ip, vnodeInfo->vpeerDesc[vnodeInfo->index].vnode,
|
||||
trsupport->subqueryIndex, trsupport->pState->code);
|
||||
trsupport->subqueryIndex, pState->code);
|
||||
} else {
|
||||
tscTrace("%p sub:%p query failed,orderOfSub:%d,global code:%d", trsupport->pParentSqlObj, pSql,
|
||||
trsupport->subqueryIndex, trsupport->pState->code);
|
||||
trsupport->subqueryIndex, pState->code);
|
||||
}
|
||||
|
||||
tscRetrieveFromVnodeCallBack(param, tres, trsupport->pState->code);
|
||||
tscRetrieveFromVnodeCallBack(param, tres, pState->code);
|
||||
} else { // success, proceed to retrieve data from dnode
|
||||
tscTrace("%p sub:%p query complete,ip:%u,vid:%d,orderOfSub:%d,retrieve data", trsupport->pParentSqlObj, pSql,
|
||||
vnodeInfo->vpeerDesc[vnodeInfo->index].ip, vnodeInfo->vpeerDesc[vnodeInfo->index].vnode,
|
||||
|
|
|
|||
Loading…
Reference in New Issue