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[td-11818] opt performance.

This commit is contained in:
Haojun Liao 2022-02-09 12:45:27 +08:00
parent fa0c05e5fc
commit 53fe1e4f72
2 changed files with 23 additions and 12 deletions
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31
source/common/src/tep.c
View File

@ -307,13 +307,18 @@ size_t blockDataGetSize(const SSDataBlock* pBlock) {
size_t total = 0;
int32_t numOfCols = pBlock->info.numOfCols;
for(int32_t i = 0; i < numOfCols; ++i) {
SColumnInfoData* pColInfoData = taosArrayGet(pBlock->pDataBlock, i);
total += colDataGetSize(pColInfoData, pBlock->info.rows);
if (IS_VAR_DATA_TYPE(pColInfoData->info.type)) {
total += sizeof(int32_t) * pBlock->info.rows;
} else {
total += BitmapLen(pBlock->info.rows);
}
}
// bitmap for each column
total += BitmapLen(pBlock->info.rows) * numOfCols;
return total;
}
@ -325,15 +330,18 @@ int32_t blockDataSplitRows(SSDataBlock* pBlock, bool hasVarCol, int32_t startInd
int32_t numOfCols = pBlock->info.numOfCols;
int32_t numOfRows = pBlock->info.rows;
size_t headerSize = sizeof(int32_t);
size_t colHeaderSize = sizeof(int32_t) * numOfCols;
// TODO speedup by checking if the whole page can fit in firstly.
int32_t bitmapChar = 1;
size_t headerSize = sizeof(int32_t);
size_t colHeaderSize = sizeof(int32_t) * numOfCols;
size_t payloadSize = pageSize - (headerSize + colHeaderSize);
// TODO speedup by checking if the whole page can fit in firstly.
if (!hasVarCol) {
size_t rowSize = blockDataGetRowSize(pBlock);
int32_t capacity = ((pageSize - headerSize - colHeaderSize) / (rowSize * 8 + 1)) * 8;
*stopIndex = startIndex + capacity;
int32_t capacity = (payloadSize / (rowSize * 8 + bitmapChar * numOfCols)) * 8;
*stopIndex = startIndex + capacity;
if (*stopIndex >= numOfRows) {
*stopIndex = numOfRows - 1;
}
@ -345,7 +353,7 @@ int32_t blockDataSplitRows(SSDataBlock* pBlock, bool hasVarCol, int32_t startInd
for(int32_t j = startIndex; j < numOfRows; ++j) {
for (int32_t i = 0; i < numOfCols; ++i) {
SColumnInfoData* pColInfoData = taosArrayGet(pBlock->pDataBlock, i);
SColumnInfoData* pColInfoData = TARRAY_GET_ELEM(pBlock->pDataBlock, i);
if (IS_VAR_DATA_TYPE(pColInfoData->info.type)) {
bool isNull = colDataIsNull(pColInfoData, numOfRows, j, NULL);
if (isNull) {
@ -359,7 +367,7 @@ int32_t blockDataSplitRows(SSDataBlock* pBlock, bool hasVarCol, int32_t startInd
} else {
size += pColInfoData->info.bytes;
if (((j - startIndex) % 8) == 0) {
if (((j - startIndex) & 0x07) == 0) {
size += 1; // the space for null bitmap
}
}
@ -597,14 +605,13 @@ static int32_t doAssignOneTuple(SColumnInfoData* pDstCols, int32_t numOfRows, co
SColumnInfoData* pDst = &pDstCols[i];
SColumnInfoData* pSrc = taosArrayGet(pSrcBlock->pDataBlock, i);
bool isNull = colDataIsNull(pSrc, pSrcBlock->info.rows, tupleIndex, NULL);
if (isNull) {
if (pSrc->hasNull && colDataIsNull(pSrc, pSrcBlock->info.rows, tupleIndex, pSrcBlock->pBlockAgg)) {
code = colDataAppend(pDst, numOfRows, NULL, true);
if (code != TSDB_CODE_SUCCESS) {
return code;
}
} else {
char* p = colDataGet((SColumnInfoData*)pSrc, tupleIndex);
char* p = colDataGet(pSrc, tupleIndex);
code = colDataAppend(pDst, numOfRows, p, false);
if (code != TSDB_CODE_SUCCESS) {
return code;

4
source/libs/executor/src/executorimpl.c
View File

@ -5706,6 +5706,10 @@ void addToDiskbasedBuf(SOrderOperatorInfo* pInfo, jmp_buf env) {
int32_t pageId = -1;
SFilePage* pPage = getNewDataBuf(pInfo->pSortInternalBuf, pInfo->sourceId, &pageId);
int32_t size = blockDataGetSize(p) + sizeof(int32_t) + p->info.numOfCols * sizeof(int32_t);
assert(size <= getBufPageSize(pInfo->pSortInternalBuf));
blockDataToBuf(pPage->data, p);
blockDataDestroy(p);