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TDengine

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T
TDengine

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提交 53226eae 编写于 作者: H Hongze Cheng
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上级 07e89142
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Showing with 132 addition and 46 deletion
source/dnode/vnode/src/tsdb/tsdbCompact.c
浏览文件 @ 53226eae
......@@ -15,6 +15,10 @@
#include "tsdb.h"
#define TSDB_ITER_TYPE_MEM 0x0
#define TSDB_ITER_TYPE_DAT 0x1
#define TSDB_ITER_TYPE_STT 0x2
typedef struct {
} SMemDIter;
......@@ -37,7 +41,9 @@ typedef struct {
int32_t iRow;
} SSttDIter;
typedef struct {
typedef struct STsdbDataIter {
struct STsdbDataIter *next;
int32_t flag;
SRowInfo rowInfo;
SRBTreeNode n;
......@@ -45,19 +51,22 @@ typedef struct {
} STsdbDataIter;
typedef struct {
STsdb *pTsdb;
STsdbFS fs;
int64_t cid;
int32_t fid;
SDataFReader *pReader;
SDFileSet *pDFileSet;
SRBTree rtree;
SBlockData bData;
STsdb *pTsdb;
STsdbFS fs;
int64_t cid;
int32_t fid;
SDFileSet *pDFileSet;
SDataFReader *pReader;
STsdbDataIter *iterList; // list of iterators
SRBTree rtree;
SBlockData bData;
} STsdbCompactor;
#define TSDB_FLG_DEEP_COMPACT 0x1
// ITER =========================
static int32_t tsdbDataIterNext(STsdbDataIter *pIter);
static int32_t tsdbDataIterCmprFn(const SRBTreeNode *n1, const SRBTreeNode *n2) {
const STsdbDataIter *pIter1 = (STsdbDataIter *)((char *)n1 - offsetof(STsdbDataIter, n));
const STsdbDataIter *pIter2 = (STsdbDataIter *)((char *)n2 - offsetof(STsdbDataIter, n));
......@@ -95,6 +104,7 @@ static int32_t tsdbDataDIterOpen(SDataFReader *pReader, STsdbDataIter **ppIter)
code = TSDB_CODE_OUT_OF_MEMORY;
goto _exit;
}
pIter->flag = TSDB_ITER_TYPE_DAT;
SDataDIter *pDataDIter = (SDataDIter *)pIter->handle;
pDataDIter->pReader = pReader;
......@@ -109,21 +119,16 @@ static int32_t tsdbDataDIterOpen(SDataFReader *pReader, STsdbDataIter **ppIter)
if (taosArrayGetSize(pDataDIter->aBlockIdx) == 0) goto _clear_exit;
// TODO
code = tBlockDataCreate(&pDataDIter->bData);
TSDB_CHECK_CODE(code, lino, _exit);
// read first data block
pDataDIter->iBlockIdx = 0;
code = tsdbReadDataBlk(pReader, taosArrayGet(pDataDIter->aBlockIdx, pDataDIter->iBlockIdx), &pDataDIter->mDataBlk);
TSDB_CHECK_CODE(code, lino, _exit);
pDataDIter->iBlockIdx = -1;
pDataDIter->iDataBlk = 0;
// code = tsdbReadDataBlock(pReader, tMapDat);
// TSDB_CHECK_CODE(code, lino, _exit);
pDataDIter->iRow = 0;
// TODO
code = tsdbDataIterNext(pIter);
TSDB_CHECK_CODE(code, lino, _exit);
_exit:
if (code) {
......@@ -150,6 +155,7 @@ static int32_t tsdbSttDIterOpen(SDataFReader *pReader, int32_t iStt, STsdbDataIt
code = TSDB_CODE_OUT_OF_MEMORY;
goto _exit;
}
pIter->flag = TSDB_ITER_TYPE_STT;
SSttDIter *pSttDIter = (SSttDIter *)pIter->handle;
pSttDIter->pReader = pReader;
......@@ -168,13 +174,11 @@ static int32_t tsdbSttDIterOpen(SDataFReader *pReader, int32_t iStt, STsdbDataIt
code = tBlockDataCreate(&pSttDIter->bData);
TSDB_CHECK_CODE(code, lino, _exit);
pSttDIter->iSttBlk = 0;
// code = tsdbReadSttBlock(pReader, taosArrayGet(pSttDIter->aSttBlk, pSttDIter->iSttBlk), &pSttDIter->bData);
// TSDB_CHECK_CODE(code, lino, _exit);
pSttDIter->iSttBlk = -1;
pSttDIter->iRow = -1;
pSttDIter->iRow = 0;
// TODO
code = tsdbDataIterNext(pIter);
TSDB_CHECK_CODE(code, lino, _exit);
_exit:
if (code) {
......@@ -193,12 +197,42 @@ _exit:
static void tsdbDataIterClose(STsdbDataIter *pIter) {
// TODO
ASSERT(0);
}
static int32_t tsdbDataIterNext(STsdbDataIter *pIter) {
int32_t code = 0;
int32_t lino = 0;
// TODO
if (pIter->flag & TSDB_ITER_TYPE_MEM) {
// TODO
ASSERT(0);
} else if (pIter->flag & TSDB_ITER_TYPE_DAT) {
// TODO
ASSERT(0);
} else if (pIter->flag & TSDB_ITER_TYPE_STT) {
SSttDIter *pSttDIter = (SSttDIter *)pIter->handle;
pSttDIter->iRow++;
if (pSttDIter->iRow < pSttDIter->bData.nRow) {
ASSERT(0);
} else {
pSttDIter->iSttBlk++;
if (pSttDIter->iSttBlk < taosArrayGetSize(pSttDIter->aSttBlk)) {
code = tsdbReadSttBlock(pSttDIter->pReader, pSttDIter->iStt,
taosArrayGet(pSttDIter->aSttBlk, pSttDIter->iSttBlk), &pSttDIter->bData);
TSDB_CHECK_CODE(code, lino, _exit);
pSttDIter->iRow = 0;
} else {
// code = TSDB_CODE_TDB_NO_DATA;
// goto _exit;
}
}
} else {
ASSERT(0);
}
_exit:
return code;
}
......@@ -289,52 +323,102 @@ _exit:
return code;
}
int32_t tsdbCompact(STsdb *pTsdb, int32_t flag) {
static int32_t tsdbOpenCompactor(STsdbCompactor *pCompactor) {
int32_t code = 0;
int32_t lino = 0;
// Check if can do compact (TODO)
STsdb *pTsdb = pCompactor->pTsdb;
// Do compact
STsdbCompactor compactor = {0};
// next compact file
pCompactor->pDFileSet = (SDFileSet *)taosArraySearch(pCompactor->fs.aDFileSet, &(SDFileSet){.fid = pCompactor->fid},
tDFileSetCmprFn, TD_GT);
if (pCompactor->pDFileSet == NULL) goto _exit;
code = tsdbBeginCompact(pTsdb, &compactor);
pCompactor->fid = pCompactor->pDFileSet->fid;
code = tsdbDataFReaderOpen(&pCompactor->pReader, pTsdb, pCompactor->pDFileSet);
TSDB_CHECK_CODE(code, lino, _exit);
while (true) {
compactor.pDFileSet = (SDFileSet *)taosArraySearch(compactor.fs.aDFileSet, &compactor.fid, tDFileSetCmprFn, TD_GT);
if (compactor.pDFileSet == NULL) break;
// open iters
STsdbDataIter *pIter;
compactor.fid = compactor.pDFileSet->fid;
pCompactor->iterList = NULL;
tRBTreeCreate(&pCompactor->rtree, tsdbDataIterCmprFn);
code = tsdbDataFReaderOpen(&compactor.pReader, pTsdb, compactor.pDFileSet);
code = tsdbDataDIterOpen(pCompactor->pReader, &pIter);
TSDB_CHECK_CODE(code, lino, _exit);
if (pIter) {
pIter->next = pCompactor->iterList;
pCompactor->iterList = pIter;
tRBTreePut(&pCompactor->rtree, &pIter->n);
}
for (int32_t iStt = 0; iStt < pCompactor->pReader->pSet->nSttF; iStt++) {
code = tsdbSttDIterOpen(pCompactor->pReader, iStt, &pIter);
TSDB_CHECK_CODE(code, lino, _exit);
// open those iterators
tRBTreeCreate(&compactor.rtree, tsdbDataIterCmprFn);
if (pIter) {
pIter->next = pCompactor->iterList;
pCompactor->iterList = pIter;
tRBTreePut(&pCompactor->rtree, &pIter->n);
}
}
_exit:
if (code) {
tsdbError("vgId:%d %s failed at line %d since %s", TD_VID(pTsdb->pVnode), __func__, lino, tstrerror(code));
} else {
tsdbDebug("vgId:%d %s done", TD_VID(pTsdb->pVnode), __func__);
}
return code;
}
STsdbDataIter *pIter;
static void tsdbCloseCompactor(STsdbCompactor *pCompactor) {
STsdb *pTsdb = pCompactor->pTsdb;
code = tsdbDataDIterOpen(compactor.pReader, &pIter);
TSDB_CHECK_CODE(code, lino, _exit);
for (STsdbDataIter *pIter = pCompactor->iterList; pIter;) {
STsdbDataIter *pIterNext = pIter->next;
tsdbDataIterClose(pIter);
pIter = pIterNext;
}
if (pIter) tRBTreePut(&compactor.rtree, &pIter->n);
// TODO
ASSERT(0);
for (int32_t iStt = 0; iStt < compactor.pReader->pSet->nSttF; iStt++) {
code = tsdbSttDIterOpen(compactor.pReader, iStt, &pIter);
TSDB_CHECK_CODE(code, lino, _exit);
_exit:
tsdbDebug("vgId:%d %s done", TD_VID(pTsdb->pVnode), __func__);
}
if (pIter) tRBTreePut(&compactor.rtree, &pIter->n);
}
int32_t tsdbCompact(STsdb *pTsdb, int32_t flag) {
int32_t code = 0;
int32_t lino = 0;
// Check if can do compact (TODO)
// Do compact
STsdbCompactor compactor = {0};
code = tsdbBeginCompact(pTsdb, &compactor);
TSDB_CHECK_CODE(code, lino, _exit);
while (true) {
code = tsdbOpenCompactor(&compactor);
TSDB_CHECK_CODE(code, lino, _exit);
if (compactor.pDFileSet == NULL) break;
// loop to merge row by row
TSDBROW *pRow = NULL;
int64_t nRow = 0;
for (;;) {
code = tsdbCompactNextRow(&compactor, &pRow);
TSDB_CHECK_CODE(code, lino, _exit);
if (pRow == NULL) break;
nRow++;
// code = tBlockDataAppendRow(&compactor.bData, pRow, pRow, NULL, 0);
// TSDB_CHECK_CODE(code, lino, _exit);
......@@ -343,6 +427,8 @@ int32_t tsdbCompact(STsdb *pTsdb, int32_t flag) {
// TSDB_CHECK_CODE(code, lino, _exit);
// }
}
tsdbCloseCompactor(&compactor);
}
_exit:
......
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