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enh(query): limit the rsp ssdatablock size.

This commit is contained in:
Haojun Liao 2022-05-19 23:47:27 +08:00
parent f636806c2a
commit cded09bf79
3 changed files with 171 additions and 41 deletions
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103
source/dnode/vnode/src/tsdb/tsdbRead.c
View File

@ -425,6 +425,12 @@ static STsdbReadHandle* tsdbQueryTablesImpl(SVnode* pVnode, SQueryTableDataCond*
rowLen += pCond->colList[i].bytes;
}
// make sure the output SSDataBlock size be less than 2MB.
int32_t TWOMB = 2 * 1024 * 1024;
if (pReadHandle->outputCapacity * rowLen > TWOMB) {
pReadHandle->outputCapacity = TWOMB / rowLen;
}
// allocate buffer in order to load data blocks from file
pReadHandle->suppInfo.pstatis = taosMemoryCalloc(pCond->numOfCols, sizeof(SColumnDataAgg));
if (pReadHandle->suppInfo.pstatis == NULL) {
@ -1302,20 +1308,22 @@ static int32_t handleDataMergeIfNeeded(STsdbReadHandle* pTsdbReadHandle, SBlock*
if ((ascScan && (key != TSKEY_INITIAL_VAL && key <= binfo.window.ekey)) ||
(!ascScan && (key != TSKEY_INITIAL_VAL && key >= binfo.window.skey))) {
if ((ascScan && (key != TSKEY_INITIAL_VAL && key < binfo.window.skey)) ||
(!ascScan && (key != TSKEY_INITIAL_VAL && key > binfo.window.ekey))) {
bool cacheDataInFileBlockHole = (ascScan && (key != TSKEY_INITIAL_VAL && key < binfo.window.skey)) ||
(!ascScan && (key != TSKEY_INITIAL_VAL && key > binfo.window.ekey));
if (cacheDataInFileBlockHole) {
// do not load file block into buffer
int32_t step = ascScan ? 1 : -1;
TSKEY maxKey =
ASCENDING_TRAVERSE(pTsdbReadHandle->order) ? (binfo.window.skey - step) : (binfo.window.ekey - step);
TSKEY maxKey = ascScan ? (binfo.window.skey - step) : (binfo.window.ekey - step);
cur->rows =
tsdbReadRowsFromCache(pCheckInfo, maxKey, pTsdbReadHandle->outputCapacity, &cur->win, pTsdbReadHandle);
pTsdbReadHandle->realNumOfRows = cur->rows;
// update the last key value
pCheckInfo->lastKey = cur->win.ekey + step;
if (!ASCENDING_TRAVERSE(pTsdbReadHandle->order)) {
if (!ascScan) {
TSWAP(cur->win.skey, cur->win.ekey);
}
@ -1334,18 +1342,16 @@ static int32_t handleDataMergeIfNeeded(STsdbReadHandle* pTsdbReadHandle, SBlock*
/*
* no data in cache, only load data from file
* during the query processing, data in cache will not be checked anymore.
*
* Here the buffer is not enough, so only part of file block can be loaded into memory buffer
*/
assert(pTsdbReadHandle->outputCapacity >= binfo.rows);
int32_t endPos = getEndPosInDataBlock(pTsdbReadHandle, &binfo);
if ((cur->pos == 0 && endPos == binfo.rows - 1 && ascScan) ||
(cur->pos == (binfo.rows - 1) && endPos == 0 && (!ascScan))) {
bool wholeBlockReturned = ((abs(cur->pos - endPos) + 1) == binfo.rows);
if (wholeBlockReturned) {
pTsdbReadHandle->realNumOfRows = binfo.rows;
cur->rows = binfo.rows;
cur->win = binfo.window;
cur->win = binfo.window;
cur->mixBlock = false;
cur->blockCompleted = true;
@ -1356,12 +1362,24 @@ static int32_t handleDataMergeIfNeeded(STsdbReadHandle* pTsdbReadHandle, SBlock*
cur->lastKey = binfo.window.skey - 1;
cur->pos = -1;
}
} else { // partially copy to dest buffer
} else { // partially copy to dest buffer
// make sure to only load once
bool firstTimeExtract = ((cur->pos == 0 && ascScan) || (cur->pos == binfo.rows -1 && (!ascScan)));
if (pTsdbReadHandle->outputCapacity < binfo.rows && firstTimeExtract) {
code = doLoadFileDataBlock(pTsdbReadHandle, pBlock, pCheckInfo, cur->slot);
if (code != TSDB_CODE_SUCCESS) {
return code;
}
}
copyAllRemainRowsFromFileBlock(pTsdbReadHandle, pCheckInfo, &binfo, endPos);
cur->mixBlock = true;
}
assert(cur->blockCompleted);
if (pTsdbReadHandle->outputCapacity >= binfo.rows) {
ASSERT(cur->blockCompleted);
}
if (cur->rows == binfo.rows) {
tsdbDebug("%p whole file block qualified, brange:%" PRId64 "-%" PRId64 ", rows:%d, lastKey:%" PRId64 ", %s",
pTsdbReadHandle, cur->win.skey, cur->win.ekey, cur->rows, cur->lastKey, pTsdbReadHandle->idStr);
@ -1858,15 +1876,14 @@ static void copyAllRemainRowsFromFileBlock(STsdbReadHandle* pTsdbReadHandle, STa
SDataCols* pCols = pTsdbReadHandle->rhelper.pDCols[0];
TSKEY* tsArray = pCols->cols[0].pData;
int32_t step = ASCENDING_TRAVERSE(pTsdbReadHandle->order) ? 1 : -1;
int32_t numOfCols = (int32_t)(QH_GET_NUM_OF_COLS(pTsdbReadHandle));
bool ascScan = ASCENDING_TRAVERSE(pTsdbReadHandle->order);
int32_t pos = cur->pos;
int32_t step = ascScan? 1 : -1;
int32_t start = cur->pos;
int32_t end = endPos;
if (!ASCENDING_TRAVERSE(pTsdbReadHandle->order)) {
if (!ascScan) {
TSWAP(start, end);
}
@ -1876,11 +1893,11 @@ static void copyAllRemainRowsFromFileBlock(STsdbReadHandle* pTsdbReadHandle, STa
// the time window should always be ascending order: skey <= ekey
cur->win = (STimeWindow){.skey = tsArray[start], .ekey = tsArray[end]};
cur->mixBlock = (numOfRows != pBlockInfo->rows);
cur->lastKey = tsArray[endPos] + step;
cur->blockCompleted = true;
cur->lastKey = tsArray[endPos] + step;
cur->blockCompleted = (ascScan? (endPos == pBlockInfo->rows - 1):(endPos == 0));
// The value of pos may be -1 or pBlockInfo->rows, and it is invalid in both cases.
pos = endPos + step;
int32_t pos = endPos + step;
updateInfoAfterMerge(pTsdbReadHandle, pCheckInfo, numOfRows, pos);
doCheckGeneratedBlockRange(pTsdbReadHandle);
@ -1892,20 +1909,44 @@ static void copyAllRemainRowsFromFileBlock(STsdbReadHandle* pTsdbReadHandle, STa
int32_t getEndPosInDataBlock(STsdbReadHandle* pTsdbReadHandle, SDataBlockInfo* pBlockInfo) {
// NOTE: reverse the order to find the end position in data block
int32_t endPos = -1;
int32_t order = ASCENDING_TRAVERSE(pTsdbReadHandle->order) ? TSDB_ORDER_DESC : TSDB_ORDER_ASC;
bool ascScan = ASCENDING_TRAVERSE(pTsdbReadHandle->order);
int32_t order = ascScan? TSDB_ORDER_DESC : TSDB_ORDER_ASC;
SQueryFilePos* cur = &pTsdbReadHandle->cur;
SDataCols* pCols = pTsdbReadHandle->rhelper.pDCols[0];
if (ASCENDING_TRAVERSE(pTsdbReadHandle->order) && pTsdbReadHandle->window.ekey >= pBlockInfo->window.ekey) {
endPos = pBlockInfo->rows - 1;
cur->mixBlock = (cur->pos != 0);
} else if (!ASCENDING_TRAVERSE(pTsdbReadHandle->order) && pTsdbReadHandle->window.ekey <= pBlockInfo->window.skey) {
endPos = 0;
cur->mixBlock = (cur->pos != pBlockInfo->rows - 1);
if (pTsdbReadHandle->outputCapacity >= pBlockInfo->rows) {
if (ascScan && pTsdbReadHandle->window.ekey >= pBlockInfo->window.ekey) {
endPos = pBlockInfo->rows - 1;
cur->mixBlock = (cur->pos != 0);
} else if ((!ascScan) && pTsdbReadHandle->window.ekey <= pBlockInfo->window.skey) {
endPos = 0;
cur->mixBlock = (cur->pos != pBlockInfo->rows - 1);
} else {
assert(pCols->numOfRows > 0);
endPos = doBinarySearchKey(pCols->cols[0].pData, pCols->numOfRows, pTsdbReadHandle->window.ekey, order);
cur->mixBlock = true;
}
} else {
assert(pCols->numOfRows > 0);
endPos = doBinarySearchKey(pCols->cols[0].pData, pCols->numOfRows, pTsdbReadHandle->window.ekey, order);
if (ascScan && pTsdbReadHandle->window.ekey >= pBlockInfo->window.ekey) {
endPos = MIN(cur->pos + pTsdbReadHandle->outputCapacity - 1, pBlockInfo->rows - 1);
} else if ((!ascScan) && pTsdbReadHandle->window.ekey <= pBlockInfo->window.skey) {
endPos = MAX(cur->pos - pTsdbReadHandle->outputCapacity + 1, 0);
} else {
ASSERT(pCols->numOfRows > 0);
endPos = doBinarySearchKey(pCols->cols[0].pData, pCols->numOfRows, pTsdbReadHandle->window.ekey, order);
// current data is more than the capacity
int32_t size = abs(cur->pos - endPos) + 1;
if (size > pTsdbReadHandle->outputCapacity) {
int32_t delta = size - pTsdbReadHandle->outputCapacity;
if (ascScan) {
endPos -= delta;
} else {
endPos += delta;
}
}
}
cur->mixBlock = true;
}
@ -2369,7 +2410,7 @@ static int32_t createDataBlocksInfo(STsdbReadHandle* pTsdbReadHandle, int32_t nu
static int32_t getFirstFileDataBlock(STsdbReadHandle* pTsdbReadHandle, bool* exists);
static int32_t getDataBlockRv(STsdbReadHandle* pTsdbReadHandle, STableBlockInfo* pNext, bool* exists) {
static int32_t getDataBlock(STsdbReadHandle* pTsdbReadHandle, STableBlockInfo* pNext, bool* exists) {
int32_t step = ASCENDING_TRAVERSE(pTsdbReadHandle->order) ? 1 : -1;
SQueryFilePos* cur = &pTsdbReadHandle->cur;
@ -2478,7 +2519,7 @@ static int32_t getFirstFileDataBlock(STsdbReadHandle* pTsdbReadHandle, bool* exi
cur->fid = pTsdbReadHandle->pFileGroup->fid;
STableBlockInfo* pBlockInfo = &pTsdbReadHandle->pDataBlockInfo[cur->slot];
return getDataBlockRv(pTsdbReadHandle, pBlockInfo, exists);
return getDataBlock(pTsdbReadHandle, pBlockInfo, exists);
}
static bool isEndFileDataBlock(SQueryFilePos* cur, int32_t numOfBlocks, bool ascTrav) {
@ -2643,7 +2684,7 @@ static int32_t getDataBlocksInFiles(STsdbReadHandle* pTsdbReadHandle, bool* exis
} else {
moveToNextDataBlockInCurrentFile(pTsdbReadHandle);
STableBlockInfo* pNext = &pTsdbReadHandle->pDataBlockInfo[cur->slot];
return getDataBlockRv(pTsdbReadHandle, pNext, exists);
return getDataBlock(pTsdbReadHandle, pNext, exists);
}
}
}

30
source/libs/executor/src/executorimpl.c
View File

@ -3546,11 +3546,12 @@ _error:
int32_t getTableScanInfo(SOperatorInfo* pOperator, int32_t *order, int32_t* scanFlag) {
// todo add more information about exchange operation
if (pOperator->operatorType == QUERY_NODE_PHYSICAL_PLAN_EXCHANGE) {
int32_t type = pOperator->operatorType;
if (type == QUERY_NODE_PHYSICAL_PLAN_EXCHANGE || type == QUERY_NODE_PHYSICAL_PLAN_SYSTABLE_SCAN) {
*order = TSDB_ORDER_ASC;
*scanFlag = MAIN_SCAN;
return TSDB_CODE_SUCCESS;
} else if (pOperator->operatorType == QUERY_NODE_PHYSICAL_PLAN_TABLE_SCAN) {
} else if (type == QUERY_NODE_PHYSICAL_PLAN_TABLE_SCAN) {
STableScanInfo* pTableScanInfo = pOperator->info;
*order = pTableScanInfo->cond.order;
*scanFlag = pTableScanInfo->scanFlag;
@ -3910,6 +3911,9 @@ static SSDataBlock* doProjectOperation(SOperatorInfo* pOperator) {
// the pDataBlock are always the same one, no need to call this again
int32_t code = getTableScanInfo(pOperator->pDownstream[0], &order, &scanFlag);
if (code != TSDB_CODE_SUCCESS) {
longjmp(pTaskInfo->env, code);
}
setInputDataBlock(pOperator, pInfo->pCtx, pBlock, order, scanFlag, false);
blockDataEnsureCapacity(pInfo->pRes, pInfo->pRes->info.rows + pBlock->info.rows);
@ -4311,23 +4315,29 @@ SOperatorInfo* createProjectOperatorInfo(SOperatorInfo* downstream, SExprInfo* p
int32_t numOfRows = 4096;
size_t keyBufSize = sizeof(int64_t) + sizeof(int64_t) + POINTER_BYTES;
// Make sure the size of SSDataBlock will never exceed the size of 2MB.
int32_t TWOMB = 2 * 1024 * 1024;
if (numOfRows * pResBlock->info.rowSize > TWOMB) {
numOfRows = TWOMB / pResBlock->info.rowSize;
}
initResultSizeInfo(pOperator, numOfRows);
initAggInfo(&pInfo->binfo, &pInfo->aggSup, pExprInfo, numOfCols, pResBlock, keyBufSize, pTaskInfo->id.str);
setFunctionResultOutput(&pInfo->binfo, &pInfo->aggSup, MAIN_SCAN, numOfCols, pTaskInfo);
pInfo->pPseudoColInfo = setRowTsColumnOutputInfo(pInfo->binfo.pCtx, numOfCols);
pOperator->name = "ProjectOperator";
pInfo->pPseudoColInfo = setRowTsColumnOutputInfo(pInfo->binfo.pCtx, numOfCols);
pOperator->name = "ProjectOperator";
pOperator->operatorType = QUERY_NODE_PHYSICAL_PLAN_PROJECT;
pOperator->blocking = false;
pOperator->status = OP_NOT_OPENED;
pOperator->info = pInfo;
pOperator->pExpr = pExprInfo;
pOperator->numOfExprs = num;
pOperator->blocking = false;
pOperator->status = OP_NOT_OPENED;
pOperator->info = pInfo;
pOperator->pExpr = pExprInfo;
pOperator->numOfExprs = num;
pOperator->pTaskInfo = pTaskInfo;
pOperator->fpSet = createOperatorFpSet(operatorDummyOpenFn, doProjectOperation, NULL, NULL,
destroyProjectOperatorInfo, NULL, NULL, NULL);
pOperator->pTaskInfo = pTaskInfo;
int32_t code = appendDownstream(pOperator, &downstream, 1);
if (code != TSDB_CODE_SUCCESS) {
goto _error;

79
tests/script/tsim/testsuit.sim Normal file
View File

@ -0,0 +1,79 @@
#run user/pass_alter.sim
#run user/basic1.sim
#run user/privilege2.sim
#run user/user_len.sim
#run user/privilege1.sim
#run user/pass_len.sim
#run tstream/basic1.sim
#run tstream/basic0.sim
#run table/basic1.sim
#run trans/create_db.sim
#run stable/alter1.sim
#run stable/vnode3.sim
#run stable/metrics.sim
#run stable/show.sim
#run stable/values.sim
#run stable/dnode3.sim
#run stable/refcount.sim
#run stable/disk.sim
#run db/basic1.sim
#run db/basic3.sim
#run db/basic7.sim
#run db/basic6.sim
#run db/create_all_options.sim
#run db/basic2.sim
#run db/error1.sim
#run db/taosdlog.sim
#run db/alter_option.sim
#run mnode/basic1.sim
#run parser/fourArithmetic-basic.sim
#run parser/groupby-basic.sim
#run snode/basic1.sim
#run query/time_process.sim
#run query/stddev.sim
#run query/interval-offset.sim
#run query/charScalarFunction.sim
#run query/complex_select.sim
#run query/explain.sim
#run query/crash_sql.sim
#run query/diff.sim
#run query/complex_limit.sim
#run query/complex_having.sim
#run query/udf.sim
#run query/complex_group.sim
#run query/interval.sim
#run query/session.sim
print ========> dead lock failed when 2 rows in outputCapacity
run query/scalarFunction.sim
run query/scalarNull.sim
run query/complex_where.sim
run tmq/basic1.sim
run tmq/basic4.sim
run tmq/basic1Of2Cons.sim
run tmq/prepareBasicEnv-1vgrp.sim
run tmq/topic.sim
run tmq/basic4Of2Cons.sim
run tmq/prepareBasicEnv-4vgrp.sim
run tmq/basic3.sim
run tmq/basic2Of2Cons.sim
run tmq/basic2.sim
run tmq/basic3Of2Cons.sim
run tmq/basic2Of2ConsOverlap.sim
run tmq/clearConsume.sim
run qnode/basic1.sim
run dnode/basic1.sim
run show/basic.sim
run insert/basic1.sim
run insert/basic0.sim
run insert/backquote.sim
run insert/null.sim
run sync/oneReplica1VgElectWithInsert.sim
run sync/threeReplica1VgElect.sim
run sync/oneReplica1VgElect.sim
run sync/insertDataByRunBack.sim
run sync/threeReplica1VgElectWihtInsert.sim
run sma/tsmaCreateInsertData.sim
run sma/rsmaCreateInsertQuery.sim
run valgrind/checkError.sim
run bnode/basic1.sim