xxq250
/
homework-jianmu
1
0
Fork 0
Code Issues Pull Requests 1 Actions Packages Projects Releases Wiki Activity
homework-jianmu/src/tsdb/src/tsdbCommit.c

1480 lines
47 KiB
C
Raw Blame History

/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "tsdbint.h"
#define TSDB_MAX_SUBBLOCKS 8
#define TSDB_KEY_FID(key, days, precision) ((key) / tsMsPerDay[(precision)] / (days))
typedef struct {
SRtn rtn; // retention snapshot
SFSIter fsIter; // tsdb file iterator
int niters; // memory iterators
SCommitIter *iters;
bool isRFileSet; // read and commit FSET
SReadH readh;
SDFileSet wSet;
bool isDFileSame;
bool isLFileSame;
TSKEY minKey;
TSKEY maxKey;
SArray * aBlkIdx; // SBlockIdx array
STable * pTable;
SArray * aSupBlk; // Table super-block array
SArray * aSubBlk; // table sub-block array
SDataCols * pDataCols;
} SCommitH;
#define TSDB_COMMIT_REPO(ch) TSDB_READ_REPO(&(ch->readh))
#define TSDB_COMMIT_REPO_ID(ch) REPO_ID(TSDB_READ_REPO(&(ch->readh)))
#define TSDB_COMMIT_WRITE_FSET(ch) (&((ch)->wSet))
#define TSDB_COMMIT_TABLE(ch) ((ch)->pTable)
#define TSDB_COMMIT_HEAD_FILE(ch) TSDB_DFILE_IN_SET(TSDB_COMMIT_WRITE_FSET(ch), TSDB_FILE_HEAD)
#define TSDB_COMMIT_DATA_FILE(ch) TSDB_DFILE_IN_SET(TSDB_COMMIT_WRITE_FSET(ch), TSDB_FILE_DATA)
#define TSDB_COMMIT_LAST_FILE(ch) TSDB_DFILE_IN_SET(TSDB_COMMIT_WRITE_FSET(ch), TSDB_FILE_LAST)
#define TSDB_COMMIT_BUF(ch) TSDB_READ_BUF(&((ch)->readh))
#define TSDB_COMMIT_COMP_BUF(ch) TSDB_READ_COMP_BUF(&((ch)->readh))
#define TSDB_COMMIT_DEFAULT_ROWS(ch) (TSDB_COMMIT_REPO(ch)->config.maxRowsPerFileBlock * 4 / 5)
#define TSDB_COMMIT_TXN_VERSION(ch) FS_TXN_VERSION(REPO_FS(TSDB_COMMIT_REPO(ch)))
static int tsdbCommitMeta(STsdbRepo *pRepo);
static int tsdbUpdateMetaRecord(STsdbFS *pfs, SMFile *pMFile, uint64_t uid, void *cont, int contLen);
static int tsdbDropMetaRecord(STsdbFS *pfs, SMFile *pMFile, uint64_t uid);
static int tsdbCommitTSData(STsdbRepo *pRepo);
static void tsdbStartCommit(STsdbRepo *pRepo);
static void tsdbEndCommit(STsdbRepo *pRepo, int eno);
static int tsdbCommitToFile(SCommitH *pCommith, SDFileSet *pSet, int fid);
static int tsdbCreateCommitIters(SCommitH *pCommith);
static void tsdbDestroyCommitIters(SCommitH *pCommith);
static void tsdbSeekCommitIter(SCommitH *pCommith, TSKEY key);
static int tsdbInitCommitH(SCommitH *pCommith, STsdbRepo *pRepo);
static void tsdbDestroyCommitH(SCommitH *pCommith);
static int tsdbGetFidLevel(int fid, SRtn *pRtn);
static int tsdbNextCommitFid(SCommitH *pCommith);
static int tsdbCommitToTable(SCommitH *pCommith, int tid);
static int tsdbSetCommitTable(SCommitH *pCommith, STable *pTable);
static int tsdbComparKeyBlock(const void *arg1, const void *arg2);
static int tsdbWriteBlockInfo(SCommitH *pCommih);
static int tsdbWriteBlockIdx(SCommitH *pCommih);
static int tsdbCommitMemData(SCommitH *pCommith, SCommitIter *pIter, TSKEY keyLimit, bool toData);
static int tsdbMergeMemData(SCommitH *pCommith, SCommitIter *pIter, int bidx);
static int tsdbMoveBlock(SCommitH *pCommith, int bidx);
static int tsdbCommitAddBlock(SCommitH *pCommith, const SBlock *pSupBlock, const SBlock *pSubBlocks, int nSubBlocks);
static int tsdbMergeBlockData(SCommitH *pCommith, SCommitIter *pIter, SDataCols *pDataCols, TSKEY keyLimit,
bool isLastOneBlock);
static void tsdbResetCommitFile(SCommitH *pCommith);
static void tsdbResetCommitTable(SCommitH *pCommith);
static int tsdbSetAndOpenCommitFile(SCommitH *pCommith, SDFileSet *pSet, int fid);
static void tsdbCloseCommitFile(SCommitH *pCommith, bool hasError);
static bool tsdbCanAddSubBlock(SCommitH *pCommith, SBlock *pBlock, SMergeInfo *pInfo);
static void tsdbLoadAndMergeFromCache(SDataCols *pDataCols, int *iter, SCommitIter *pCommitIter, SDataCols *pTarget,
TSKEY maxKey, int maxRows, int8_t update);
static int tsdbApplyRtn(STsdbRepo *pRepo);
static int tsdbApplyRtnOnFSet(STsdbRepo *pRepo, SDFileSet *pSet, SRtn *pRtn);
void *tsdbCommitData(STsdbRepo *pRepo) {
tsdbStartCommit(pRepo);
// Commit to update meta file
if (tsdbCommitMeta(pRepo) < 0) {
tsdbError("vgId:%d error occurs while committing META data since %s", REPO_ID(pRepo), tstrerror(terrno));
goto _err;
}
// Create the iterator to read from cache
if (tsdbCommitTSData(pRepo) < 0) {
tsdbError("vgId:%d error occurs while committing TS data since %s", REPO_ID(pRepo), tstrerror(terrno));
goto _err;
}
tsdbEndCommit(pRepo, TSDB_CODE_SUCCESS);
return NULL;
_err:
ASSERT(terrno != TSDB_CODE_SUCCESS);
pRepo->code = terrno;
tsdbEndCommit(pRepo, terrno);
return NULL;
}
// =================== Commit Meta Data
static int tsdbCommitMeta(STsdbRepo *pRepo) {
STsdbFS * pfs = REPO_FS(pRepo);
SMemTable *pMem = pRepo->imem;
SMFile * pOMFile = pfs->cstatus->pmf;
SMFile mf;
SActObj * pAct = NULL;
SActCont * pCont = NULL;
SListNode *pNode = NULL;
SDiskID did;
ASSERT(pOMFile != NULL || listNEles(pMem->actList) > 0);
if (listNEles(pMem->actList) <= 0) {
// no meta data to commit, just keep the old meta file
tsdbUpdateMFile(pfs, pOMFile);
return 0;
} else {
// Create/Open a meta file or open the existing file
if (pOMFile == NULL) {
// Create a new meta file
did.level = TFS_PRIMARY_LEVEL;
did.id = TFS_PRIMARY_ID;
tsdbInitMFile(&mf, did, REPO_ID(pRepo), FS_TXN_VERSION(REPO_FS(pRepo)));
if (tsdbCreateMFile(&mf, true) < 0) {
tsdbError("vgId:%d failed to create META file since %s", REPO_ID(pRepo), tstrerror(terrno));
return -1;
}
tsdbInfo("vgId:%d meta file %s is created to commit", REPO_ID(pRepo), TSDB_FILE_FULL_NAME(&mf));
} else {
tsdbInitMFileEx(&mf, pOMFile);
if (tsdbOpenMFile(&mf, O_WRONLY) < 0) {
tsdbError("vgId:%d failed to open META file since %s", REPO_ID(pRepo), tstrerror(terrno));
return -1;
}
}
}
// Loop to write
while ((pNode = tdListPopHead(pMem->actList)) != NULL) {
pAct = (SActObj *)pNode->data;
if (pAct->act == TSDB_UPDATE_META) {
pCont = (SActCont *)POINTER_SHIFT(pAct, sizeof(SActObj));
if (tsdbUpdateMetaRecord(pfs, &mf, pAct->uid, (void *)(pCont->cont), pCont->len) < 0) {
tsdbError("vgId:%d failed to update META record, uid %" PRIu64 " since %s", REPO_ID(pRepo), pAct->uid,
tstrerror(terrno));
tsdbCloseMFile(&mf);
tsdbApplyMFileChange(&mf, pOMFile);
// TODO: need to reload metaCache
return -1;
}
} else if (pAct->act == TSDB_DROP_META) {
if (tsdbDropMetaRecord(pfs, &mf, pAct->uid) < 0) {
tsdbError("vgId:%d failed to drop META record, uid %" PRIu64 " since %s", REPO_ID(pRepo), pAct->uid,
tstrerror(terrno));
tsdbCloseMFile(&mf);
tsdbApplyMFileChange(&mf, pOMFile);
// TODO: need to reload metaCache
return -1;
}
} else {
ASSERT(false);
}
}
if (tsdbUpdateMFileHeader(&mf) < 0) {
tsdbError("vgId:%d failed to update META file header since %s, revert it", REPO_ID(pRepo), tstrerror(terrno));
tsdbApplyMFileChange(&mf, pOMFile);
// TODO: need to reload metaCache
return -1;
}
TSDB_FILE_FSYNC(&mf);
tsdbCloseMFile(&mf);
tsdbUpdateMFile(pfs, &mf);
return 0;
}
int tsdbEncodeKVRecord(void **buf, SKVRecord *pRecord) {
int tlen = 0;
tlen += taosEncodeFixedU64(buf, pRecord->uid);
tlen += taosEncodeFixedI64(buf, pRecord->offset);
tlen += taosEncodeFixedI64(buf, pRecord->size);
return tlen;
}
void *tsdbDecodeKVRecord(void *buf, SKVRecord *pRecord) {
buf = taosDecodeFixedU64(buf, &(pRecord->uid));
buf = taosDecodeFixedI64(buf, &(pRecord->offset));
buf = taosDecodeFixedI64(buf, &(pRecord->size));
return buf;
}
void tsdbGetRtnSnap(STsdbRepo *pRepo, SRtn *pRtn) {
STsdbCfg *pCfg = REPO_CFG(pRepo);
TSKEY minKey, midKey, maxKey, now;
now = taosGetTimestamp(pCfg->precision);
minKey = now - pCfg->keep * tsMsPerDay[pCfg->precision];
midKey = now - pCfg->keep2 * tsMsPerDay[pCfg->precision];
maxKey = now - pCfg->keep1 * tsMsPerDay[pCfg->precision];
pRtn->minKey = minKey;
pRtn->minFid = (int)(TSDB_KEY_FID(minKey, pCfg->daysPerFile, pCfg->precision));
pRtn->midFid = (int)(TSDB_KEY_FID(midKey, pCfg->daysPerFile, pCfg->precision));
pRtn->maxFid = (int)(TSDB_KEY_FID(maxKey, pCfg->daysPerFile, pCfg->precision));
}
static int tsdbUpdateMetaRecord(STsdbFS *pfs, SMFile *pMFile, uint64_t uid, void *cont, int contLen) {
char buf[64] = "\0";
void * pBuf = buf;
SKVRecord rInfo;
int64_t offset;
// Seek to end of meta file
offset = tsdbSeekMFile(pMFile, 0, SEEK_END);
if (offset < 0) {
return -1;
}
rInfo.offset = offset;
rInfo.uid = uid;
rInfo.size = contLen;
int tlen = tsdbEncodeKVRecord((void **)(&pBuf), &rInfo);
if (tsdbAppendMFile(pMFile, buf, tlen, NULL) < tlen) {
return -1;
}
if (tsdbAppendMFile(pMFile, cont, contLen, NULL) < contLen) {
return -1;
}
tsdbUpdateMFileMagic(pMFile, POINTER_SHIFT(cont, contLen - sizeof(TSCKSUM)));
SKVRecord *pRecord = taosHashGet(pfs->metaCache, (void *)&uid, sizeof(uid));
if (pRecord != NULL) {
pMFile->info.tombSize += (pRecord->size + sizeof(SKVRecord));
} else {
pMFile->info.nRecords++;
}
taosHashPut(pfs->metaCache, (void *)(&uid), sizeof(uid), (void *)(&rInfo), sizeof(rInfo));
return 0;
}
static int tsdbDropMetaRecord(STsdbFS *pfs, SMFile *pMFile, uint64_t uid) {
SKVRecord rInfo = {0};
char buf[128] = "\0";
SKVRecord *pRecord = taosHashGet(pfs->metaCache, (void *)(&uid), sizeof(uid));
if (pRecord == NULL) {
tsdbError("failed to drop META record with key %" PRIu64 " since not find", uid);
return -1;
}
rInfo.offset = -pRecord->offset;
rInfo.uid = pRecord->uid;
rInfo.size = pRecord->size;
void *pBuf = buf;
tsdbEncodeKVRecord(&pBuf, &rInfo);
if (tsdbAppendMFile(pMFile, buf, sizeof(SKVRecord), NULL) < 0) {
return -1;
}
pMFile->info.magic = taosCalcChecksum(pMFile->info.magic, (uint8_t *)buf, sizeof(SKVRecord));
pMFile->info.nDels++;
pMFile->info.nRecords--;
pMFile->info.tombSize += (rInfo.size + sizeof(SKVRecord) * 2);
taosHashRemove(pfs->metaCache, (void *)(&uid), sizeof(uid));
return 0;
}
// =================== Commit Time-Series Data
static int tsdbCommitTSData(STsdbRepo *pRepo) {
SMemTable *pMem = pRepo->imem;
SCommitH commith;
SDFileSet *pSet = NULL;
int fid;
memset(&commith, 0, sizeof(SMemTable *));
if (pMem->numOfRows <= 0) {
// No memory data, just apply retention on each file on disk
if (tsdbApplyRtn(pRepo) < 0) {
return -1;
}
return 0;
}
// Resource initialization
if (tsdbInitCommitH(&commith, pRepo) < 0) {
return -1;
}
// Skip expired memory data and expired FSET
tsdbSeekCommitIter(&commith, commith.rtn.minKey);
while ((pSet = tsdbFSIterNext(&(commith.fsIter)))) {
if (pSet->fid < commith.rtn.minFid) {
tsdbInfo("vgId:%d FSET %d on level %d disk id %d expires, remove it", REPO_ID(pRepo), pSet->fid,
TSDB_FSET_LEVEL(pSet), TSDB_FSET_ID(pSet));
} else {
break;
}
}
// Loop to commit to each file
fid = tsdbNextCommitFid(&(commith));
while (true) {
// Loop over both on disk and memory
if (pSet == NULL && fid == TSDB_IVLD_FID) break;
if (pSet && (fid == TSDB_IVLD_FID || pSet->fid < fid)) {
// Only has existing FSET but no memory data to commit in this
// existing FSET, only check if file in correct retention
if (tsdbApplyRtnOnFSet(pRepo, pSet, &(commith.rtn)) < 0) {
tsdbDestroyCommitH(&commith);
return -1;
}
pSet = tsdbFSIterNext(&(commith.fsIter));
} else {
// Has memory data to commit
SDFileSet *pCSet;
int cfid;
if (pSet == NULL || pSet->fid > fid) {
// Commit to a new FSET with fid: fid
pCSet = NULL;
cfid = fid;
} else {
// Commit to an existing FSET
pCSet = pSet;
cfid = pSet->fid;
pSet = tsdbFSIterNext(&(commith.fsIter));
}
if (tsdbCommitToFile(&commith, pCSet, cfid) < 0) {
tsdbDestroyCommitH(&commith);
return -1;
}
fid = tsdbNextCommitFid(&commith);
}
}
tsdbDestroyCommitH(&commith);
return 0;
}
static void tsdbStartCommit(STsdbRepo *pRepo) {
SMemTable *pMem = pRepo->imem;
ASSERT(pMem->numOfRows > 0 || listNEles(pMem->actList) > 0);
tsdbInfo("vgId:%d start to commit! keyFirst %" PRId64 " keyLast %" PRId64 " numOfRows %" PRId64 " meta rows: %d",
REPO_ID(pRepo), pMem->keyFirst, pMem->keyLast, pMem->numOfRows, listNEles(pMem->actList));
tsdbStartFSTxn(pRepo, pMem->pointsAdd, pMem->storageAdd);
pRepo->code = TSDB_CODE_SUCCESS;
}
static void tsdbEndCommit(STsdbRepo *pRepo, int eno) {
if (eno != TSDB_CODE_SUCCESS) {
tsdbEndFSTxnWithError(REPO_FS(pRepo));
} else {
tsdbEndFSTxn(pRepo);
}
tsdbInfo("vgId:%d commit over, %s", REPO_ID(pRepo), (eno == TSDB_CODE_SUCCESS) ? "succeed" : "failed");
if (pRepo->appH.notifyStatus) pRepo->appH.notifyStatus(pRepo->appH.appH, TSDB_STATUS_COMMIT_OVER, eno);
SMemTable *pIMem = pRepo->imem;
tsdbLockRepo(pRepo);
pRepo->imem = NULL;
tsdbUnlockRepo(pRepo);
tsdbUnRefMemTable(pRepo, pIMem);
tsem_post(&(pRepo->readyToCommit));
}
#if 0
static bool tsdbHasDataToCommit(SCommitIter *iters, int nIters, TSKEY minKey, TSKEY maxKey) {
for (int i = 0; i < nIters; i++) {
TSKEY nextKey = tsdbNextIterKey((iters + i)->pIter);
if (nextKey != TSDB_DATA_TIMESTAMP_NULL && (nextKey >= minKey && nextKey <= maxKey)) return true;
}
return false;
}
#endif
static int tsdbCommitToFile(SCommitH *pCommith, SDFileSet *pSet, int fid) {
STsdbRepo *pRepo = TSDB_COMMIT_REPO(pCommith);
STsdbCfg * pCfg = REPO_CFG(pRepo);
ASSERT(pSet == NULL || pSet->fid == fid);
tsdbResetCommitFile(pCommith);
tsdbGetFidKeyRange(pCfg->daysPerFile, pCfg->precision, fid, &(pCommith->minKey), &(pCommith->maxKey));
// Set and open files
if (tsdbSetAndOpenCommitFile(pCommith, pSet, fid) < 0) {
return -1;
}
// Loop to commit each table data
for (int tid = 1; tid < pCommith->niters; tid++) {
SCommitIter *pIter = pCommith->iters + tid;
if (pIter->pTable == NULL) continue;
if (tsdbCommitToTable(pCommith, tid) < 0) {
tsdbCloseCommitFile(pCommith, true);
// revert the file change
tsdbApplyDFileSetChange(TSDB_COMMIT_WRITE_FSET(pCommith), pSet);
return -1;
}
}
if (tsdbWriteBlockIdx(pCommith) < 0) {
tsdbError("vgId:%d failed to write SBlockIdx part to FSET %d since %s", REPO_ID(pRepo), fid, tstrerror(terrno));
tsdbCloseCommitFile(pCommith, true);
// revert the file change
tsdbApplyDFileSetChange(TSDB_COMMIT_WRITE_FSET(pCommith), pSet);
return -1;
}
// Close commit file
tsdbCloseCommitFile(pCommith, false);
if (tsdbUpdateDFileSet(REPO_FS(pRepo), &(pCommith->wSet)) < 0) {
return -1;
}
return 0;
}
static int tsdbCreateCommitIters(SCommitH *pCommith) {
STsdbRepo *pRepo = TSDB_COMMIT_REPO(pCommith);
SMemTable *pMem = pRepo->imem;
STsdbMeta *pMeta = pRepo->tsdbMeta;
pCommith->niters = pMem->maxTables;
pCommith->iters = (SCommitIter *)calloc(pMem->maxTables, sizeof(SCommitIter));
if (pCommith->iters == NULL) {
terrno = TSDB_CODE_TDB_OUT_OF_MEMORY;
return -1;
}
if (tsdbRLockRepoMeta(pRepo) < 0) return -1;
// reference all tables
for (int i = 0; i < pMem->maxTables; i++) {
if (pMeta->tables[i] != NULL) {
tsdbRefTable(pMeta->tables[i]);
pCommith->iters[i].pTable = pMeta->tables[i];
}
}
if (tsdbUnlockRepoMeta(pRepo) < 0) return -1;
for (int i = 0; i < pMem->maxTables; i++) {
if ((pCommith->iters[i].pTable != NULL) && (pMem->tData[i] != NULL) &&
(TABLE_UID(pCommith->iters[i].pTable) == pMem->tData[i]->uid)) {
if ((pCommith->iters[i].pIter = tSkipListCreateIter(pMem->tData[i]->pData)) == NULL) {
terrno = TSDB_CODE_TDB_OUT_OF_MEMORY;
return -1;
}
tSkipListIterNext(pCommith->iters[i].pIter);
}
}
return 0;
}
static void tsdbDestroyCommitIters(SCommitH *pCommith) {
if (pCommith->iters == NULL) return;
for (int i = 1; i < pCommith->niters; i++) {
if (pCommith->iters[i].pTable != NULL) {
tsdbUnRefTable(pCommith->iters[i].pTable);
tSkipListDestroyIter(pCommith->iters[i].pIter);
}
}
free(pCommith->iters);
pCommith->iters = NULL;
pCommith->niters = 0;
}
// Skip all keys until key (not included)
static void tsdbSeekCommitIter(SCommitH *pCommith, TSKEY key) {
for (int i = 0; i < pCommith->niters; i++) {
SCommitIter *pIter = pCommith->iters + i;
if (pIter->pTable == NULL || pIter->pIter == NULL) continue;
tsdbLoadDataFromCache(pIter->pTable, pIter->pIter, key - 1, INT32_MAX, NULL, NULL, 0, true, NULL);
}
}
static int tsdbInitCommitH(SCommitH *pCommith, STsdbRepo *pRepo) {
STsdbCfg *pCfg = REPO_CFG(pRepo);
memset(pCommith, 0, sizeof(*pCommith));
tsdbGetRtnSnap(pRepo, &(pCommith->rtn));
TSDB_FSET_SET_CLOSED(TSDB_COMMIT_WRITE_FSET(pCommith));
// Init read handle
if (tsdbInitReadH(&(pCommith->readh), pRepo) < 0) {
return -1;
}
// Init file iterator
tsdbFSIterInit(&(pCommith->fsIter), REPO_FS(pRepo), TSDB_FS_ITER_FORWARD);
if (tsdbCreateCommitIters(pCommith) < 0) {
tsdbDestroyCommitH(pCommith);
return -1;
}
pCommith->aBlkIdx = taosArrayInit(1024, sizeof(SBlockIdx));
if (pCommith->aBlkIdx == NULL) {
terrno = TSDB_CODE_TDB_OUT_OF_MEMORY;
tsdbDestroyCommitH(pCommith);
return -1;
}
pCommith->aSupBlk = taosArrayInit(1024, sizeof(SBlock));
if (pCommith->aSupBlk == NULL) {
terrno = TSDB_CODE_TDB_OUT_OF_MEMORY;
tsdbDestroyCommitH(pCommith);
return -1;
}
pCommith->aSubBlk = taosArrayInit(1024, sizeof(SBlock));
if (pCommith->aSubBlk == NULL) {
terrno = TSDB_CODE_TDB_OUT_OF_MEMORY;
tsdbDestroyCommitH(pCommith);
return -1;
}
pCommith->pDataCols = tdNewDataCols(0, 0, pCfg->maxRowsPerFileBlock);
if (pCommith->pDataCols == NULL) {
terrno = TSDB_CODE_TDB_OUT_OF_MEMORY;
tsdbDestroyCommitH(pCommith);
return -1;
}
return 0;
}
static void tsdbDestroyCommitH(SCommitH *pCommith) {
pCommith->pDataCols = tdFreeDataCols(pCommith->pDataCols);
pCommith->aSubBlk = taosArrayDestroy(pCommith->aSubBlk);
pCommith->aSupBlk = taosArrayDestroy(pCommith->aSupBlk);
pCommith->aBlkIdx = taosArrayDestroy(pCommith->aBlkIdx);
tsdbDestroyCommitIters(pCommith);
tsdbDestroyReadH(&(pCommith->readh));
tsdbCloseDFileSet(TSDB_COMMIT_WRITE_FSET(pCommith));
}
static int tsdbNextCommitFid(SCommitH *pCommith) {
STsdbRepo *pRepo = TSDB_COMMIT_REPO(pCommith);
STsdbCfg * pCfg = REPO_CFG(pRepo);
int fid = TSDB_IVLD_FID;
for (int i = 0; i < pCommith->niters; i++) {
SCommitIter *pIter = pCommith->iters + i;
if (pIter->pTable == NULL || pIter->pIter == NULL) continue;
TSKEY nextKey = tsdbNextIterKey(pIter->pIter);
if (nextKey == TSDB_DATA_TIMESTAMP_NULL) {
continue;
} else {
int tfid = (int)(TSDB_KEY_FID(nextKey, pCfg->daysPerFile, pCfg->precision));
if (fid == TSDB_IVLD_FID || fid > tfid) {
fid = tfid;
}
}
}
return fid;
}
static int tsdbCommitToTable(SCommitH *pCommith, int tid) {
SCommitIter *pIter = pCommith->iters + tid;
TSKEY nextKey = tsdbNextIterKey(pIter->pIter);
tsdbResetCommitTable(pCommith);
TSDB_RLOCK_TABLE(pIter->pTable);
// Set commit table
if (tsdbSetCommitTable(pCommith, pIter->pTable) < 0) {
TSDB_RUNLOCK_TABLE(pIter->pTable);
return -1;
}
// No disk data and no memory data, just return
if (pCommith->readh.pBlkIdx == NULL && (nextKey == TSDB_DATA_TIMESTAMP_NULL || nextKey > pCommith->maxKey)) {
TSDB_RUNLOCK_TABLE(pIter->pTable);
return 0;
}
// Must has disk data or has memory data
int nBlocks;
int bidx = 0;
SBlock *pBlock;
if (pCommith->readh.pBlkIdx) {
if (tsdbLoadBlockInfo(&(pCommith->readh), NULL) < 0) {
TSDB_RUNLOCK_TABLE(pIter->pTable);
return -1;
}
nBlocks = pCommith->readh.pBlkIdx->numOfBlocks;
} else {
nBlocks = 0;
}
if (bidx < nBlocks) {
pBlock = pCommith->readh.pBlkInfo->blocks + bidx;
} else {
pBlock = NULL;
}
while (true) {
if (pBlock == NULL && (nextKey == TSDB_DATA_TIMESTAMP_NULL || nextKey > pCommith->maxKey)) break;
if ((nextKey == TSDB_DATA_TIMESTAMP_NULL || nextKey > pCommith->maxKey) ||
(pBlock && (!pBlock->last) && tsdbComparKeyBlock((void *)(&nextKey), pBlock) > 0)) {
if (tsdbMoveBlock(pCommith, bidx) < 0) {
TSDB_RUNLOCK_TABLE(pIter->pTable);
return -1;
}
bidx++;
if (bidx < nBlocks) {
pBlock = pCommith->readh.pBlkInfo->blocks + bidx;
} else {
pBlock = NULL;
}
} else if (pBlock && (pBlock->last || tsdbComparKeyBlock((void *)(&nextKey), pBlock) == 0)) {
// merge pBlock data and memory data
if (tsdbMergeMemData(pCommith, pIter, bidx) < 0) {
TSDB_RUNLOCK_TABLE(pIter->pTable);
return -1;
}
bidx++;
if (bidx < nBlocks) {
pBlock = pCommith->readh.pBlkInfo->blocks + bidx;
} else {
pBlock = NULL;
}
nextKey = tsdbNextIterKey(pIter->pIter);
} else {
// Only commit memory data
if (pBlock == NULL) {
if (tsdbCommitMemData(pCommith, pIter, pCommith->maxKey, false) < 0) {
TSDB_RUNLOCK_TABLE(pIter->pTable);
return -1;
}
} else {
if (tsdbCommitMemData(pCommith, pIter, pBlock->keyFirst - 1, true) < 0) {
TSDB_RUNLOCK_TABLE(pIter->pTable);
return -1;
}
}
nextKey = tsdbNextIterKey(pIter->pIter);
}
}
TSDB_RUNLOCK_TABLE(pIter->pTable);
if (tsdbWriteBlockInfo(pCommith) < 0) {
tsdbError("vgId:%d failed to write SBlockInfo part into file %s since %s", TSDB_COMMIT_REPO_ID(pCommith),
TSDB_FILE_FULL_NAME(TSDB_COMMIT_HEAD_FILE(pCommith)), tstrerror(terrno));
return -1;
}
return 0;
}
static int tsdbSetCommitTable(SCommitH *pCommith, STable *pTable) {
STSchema *pSchema = tsdbGetTableSchemaImpl(pTable, false, false, -1);
pCommith->pTable = pTable;
if (tdInitDataCols(pCommith->pDataCols, pSchema) < 0) {
terrno = TSDB_CODE_TDB_OUT_OF_MEMORY;
return -1;
}
if (pCommith->isRFileSet) {
if (tsdbSetReadTable(&(pCommith->readh), pTable) < 0) {
return -1;
}
} else {
pCommith->readh.pBlkIdx = NULL;
}
return 0;
}
static int tsdbComparKeyBlock(const void *arg1, const void *arg2) {
TSKEY key = *(TSKEY *)arg1;
SBlock *pBlock = (SBlock *)arg2;
if (key < pBlock->keyFirst) {
return -1;
} else if (key > pBlock->keyLast) {
return 1;
} else {
return 0;
}
}
static int tsdbWriteBlock(SCommitH *pCommith, SDFile *pDFile, SDataCols *pDataCols, SBlock *pBlock, bool isLast,
bool isSuper) {
STsdbRepo * pRepo = TSDB_COMMIT_REPO(pCommith);
STsdbCfg * pCfg = REPO_CFG(pRepo);
SBlockData *pBlockData;
int64_t offset = 0;
STable * pTable = TSDB_COMMIT_TABLE(pCommith);
int rowsToWrite = pDataCols->numOfRows;
ASSERT(rowsToWrite > 0 && rowsToWrite <= pCfg->maxRowsPerFileBlock);
ASSERT((!isLast) || rowsToWrite < pCfg->minRowsPerFileBlock);
// Make buffer space
if (tsdbMakeRoom((void **)(&TSDB_COMMIT_BUF(pCommith)), TSDB_BLOCK_STATIS_SIZE(pDataCols->numOfCols)) < 0) {
return -1;
}
pBlockData = (SBlockData *)TSDB_COMMIT_BUF(pCommith);
// Get # of cols not all NULL(not including key column)
int nColsNotAllNull = 0;
for (int ncol = 1; ncol < pDataCols->numOfCols; ncol++) { // ncol from 1, we skip the timestamp column
SDataCol * pDataCol = pDataCols->cols + ncol;
SBlockCol *pBlockCol = pBlockData->cols + nColsNotAllNull;
if (isNEleNull(pDataCol, rowsToWrite)) { // all data to commit are NULL, just ignore it
continue;
}
memset(pBlockCol, 0, sizeof(*pBlockCol));
pBlockCol->colId = pDataCol->colId;
pBlockCol->type = pDataCol->type;
if (tDataTypes[pDataCol->type].statisFunc) {
(*tDataTypes[pDataCol->type].statisFunc)(pDataCol->pData, rowsToWrite, &(pBlockCol->min), &(pBlockCol->max),
&(pBlockCol->sum), &(pBlockCol->minIndex), &(pBlockCol->maxIndex),
&(pBlockCol->numOfNull));
}
nColsNotAllNull++;
}
ASSERT(nColsNotAllNull >= 0 && nColsNotAllNull <= pDataCols->numOfCols);
// Compress the data if neccessary
int tcol = 0; // counter of not all NULL and written columns
int32_t toffset = 0;
int32_t tsize = TSDB_BLOCK_STATIS_SIZE(nColsNotAllNull);
int32_t lsize = tsize;
int32_t keyLen = 0;
for (int ncol = 0; ncol < pDataCols->numOfCols; ncol++) {
// All not NULL columns finish
if (ncol != 0 && tcol >= nColsNotAllNull) break;
SDataCol * pDataCol = pDataCols->cols + ncol;
SBlockCol *pBlockCol = pBlockData->cols + tcol;
if (ncol != 0 && (pDataCol->colId != pBlockCol->colId)) continue;
int32_t flen; // final length
int32_t tlen = dataColGetNEleLen(pDataCol, rowsToWrite);
void * tptr;
// Make room
if (tsdbMakeRoom((void **)(&TSDB_COMMIT_BUF(pCommith)), lsize + tlen + COMP_OVERFLOW_BYTES + sizeof(TSCKSUM)) < 0) {
return -1;
}
pBlockData = (SBlockData *)TSDB_COMMIT_BUF(pCommith);
pBlockCol = pBlockData->cols + tcol;
tptr = POINTER_SHIFT(pBlockData, lsize);
if (pCfg->compression == TWO_STAGE_COMP &&
tsdbMakeRoom((void **)(&TSDB_COMMIT_COMP_BUF(pCommith)), tlen + COMP_OVERFLOW_BYTES) < 0) {
return -1;
}
// Compress or just copy
if (pCfg->compression) {
flen = (*(tDataTypes[pDataCol->type].compFunc))((char *)pDataCol->pData, tlen, rowsToWrite, tptr,
tlen + COMP_OVERFLOW_BYTES, pCfg->compression,
TSDB_COMMIT_COMP_BUF(pCommith), tlen + COMP_OVERFLOW_BYTES);
} else {
flen = tlen;
memcpy(tptr, pDataCol->pData, flen);
}
// Add checksum
ASSERT(flen > 0);
flen += sizeof(TSCKSUM);
taosCalcChecksumAppend(0, (uint8_t *)tptr, flen);
tsdbUpdateDFileMagic(pDFile, POINTER_SHIFT(tptr, flen - sizeof(TSCKSUM)));
if (ncol != 0) {
pBlockCol->offset = toffset;
pBlockCol->len = flen;
tcol++;
} else {
keyLen = flen;
}
toffset += flen;
lsize += flen;
}
pBlockData->delimiter = TSDB_FILE_DELIMITER;
pBlockData->uid = TABLE_UID(pTable);
pBlockData->numOfCols = nColsNotAllNull;
taosCalcChecksumAppend(0, (uint8_t *)pBlockData, tsize);
tsdbUpdateDFileMagic(pDFile, POINTER_SHIFT(pBlockData, tsize - sizeof(TSCKSUM)));
// Write the whole block to file
if (tsdbAppendDFile(pDFile, (void *)pBlockData, lsize, &offset) < lsize) {
return -1;
}
// Update pBlock membership vairables
pBlock->last = isLast;
pBlock->offset = offset;
pBlock->algorithm = pCfg->compression;
pBlock->numOfRows = rowsToWrite;
pBlock->len = lsize;
pBlock->keyLen = keyLen;
pBlock->numOfSubBlocks = isSuper ? 1 : 0;
pBlock->numOfCols = nColsNotAllNull;
pBlock->keyFirst = dataColsKeyFirst(pDataCols);
pBlock->keyLast = dataColsKeyLast(pDataCols);
tsdbDebug("vgId:%d tid:%d a block of data is written to file %s, offset %" PRId64
" numOfRows %d len %d numOfCols %" PRId16 " keyFirst %" PRId64 " keyLast %" PRId64,
REPO_ID(pRepo), TABLE_TID(pTable), TSDB_FILE_FULL_NAME(pDFile), offset, rowsToWrite, pBlock->len,
pBlock->numOfCols, pBlock->keyFirst, pBlock->keyLast);
return 0;
}
static int tsdbWriteBlockInfo(SCommitH *pCommih) {
SDFile * pHeadf = TSDB_COMMIT_HEAD_FILE(pCommih);
SBlockIdx blkIdx;
STable * pTable = TSDB_COMMIT_TABLE(pCommih);
SBlock * pBlock;
size_t nSupBlocks;
size_t nSubBlocks;
uint32_t tlen;
SBlockInfo *pBlkInfo;
int64_t offset;
nSupBlocks = taosArrayGetSize(pCommih->aSupBlk);
nSubBlocks = taosArrayGetSize(pCommih->aSubBlk);
if (nSupBlocks <= 0) {
// No data (data all deleted)
return 0;
}
tlen = (uint32_t)(sizeof(SBlockInfo) + sizeof(SBlock) * (nSupBlocks + nSubBlocks) + sizeof(TSCKSUM));
// Write SBlockInfo part
if (tsdbMakeRoom((void **)(&(TSDB_COMMIT_BUF(pCommih))), tlen) < 0) return -1;
pBlkInfo = TSDB_COMMIT_BUF(pCommih);
pBlkInfo->delimiter = TSDB_FILE_DELIMITER;
pBlkInfo->tid = TABLE_TID(pTable);
pBlkInfo->uid = TABLE_UID(pTable);
memcpy((void *)(pBlkInfo->blocks), taosArrayGet(pCommih->aSupBlk, 0), nSupBlocks * sizeof(SBlock));
if (nSubBlocks > 0) {
memcpy((void *)(pBlkInfo->blocks + nSupBlocks), taosArrayGet(pCommih->aSubBlk, 0), nSubBlocks * sizeof(SBlock));
for (int i = 0; i < nSupBlocks; i++) {
pBlock = pBlkInfo->blocks + i;
if (pBlock->numOfSubBlocks > 1) {
pBlock->offset += (sizeof(SBlockInfo) + sizeof(SBlock) * nSupBlocks);
}
}
}
taosCalcChecksumAppend(0, (uint8_t *)pBlkInfo, tlen);
if (tsdbAppendDFile(pHeadf, TSDB_COMMIT_BUF(pCommih), tlen, &offset) < 0) {
return -1;
}
tsdbUpdateDFileMagic(pHeadf, POINTER_SHIFT(pBlkInfo, tlen - sizeof(TSCKSUM)));
// Set blkIdx
pBlock = taosArrayGet(pCommih->aSupBlk, nSupBlocks - 1);
blkIdx.tid = TABLE_TID(pTable);
blkIdx.uid = TABLE_UID(pTable);
blkIdx.hasLast = pBlock->last ? 1 : 0;
blkIdx.maxKey = pBlock->keyLast;
blkIdx.numOfBlocks = (uint32_t)nSupBlocks;
blkIdx.len = tlen;
blkIdx.offset = (uint32_t)offset;
ASSERT(blkIdx.numOfBlocks > 0);
if (taosArrayPush(pCommih->aBlkIdx, (void *)(&blkIdx)) == NULL) {
terrno = TSDB_CODE_TDB_OUT_OF_MEMORY;
return -1;
}
return 0;
}
static int tsdbWriteBlockIdx(SCommitH *pCommih) {
SBlockIdx *pBlkIdx;
SDFile * pHeadf = TSDB_COMMIT_HEAD_FILE(pCommih);
size_t nidx = taosArrayGetSize(pCommih->aBlkIdx);
int tlen = 0, size;
int64_t offset;
if (nidx <= 0) {
// All data are deleted
pHeadf->info.offset = 0;
pHeadf->info.len = 0;
return 0;
}
for (size_t i = 0; i < nidx; i++) {
pBlkIdx = (SBlockIdx *)taosArrayGet(pCommih->aBlkIdx, i);
size = tsdbEncodeSBlockIdx(NULL, pBlkIdx);
if (tsdbMakeRoom((void **)(&TSDB_COMMIT_BUF(pCommih)), tlen + size) < 0) return -1;
void *ptr = POINTER_SHIFT(TSDB_COMMIT_BUF(pCommih), tlen);
tsdbEncodeSBlockIdx(&ptr, pBlkIdx);
tlen += size;
}
tlen += sizeof(TSCKSUM);
if (tsdbMakeRoom((void **)(&TSDB_COMMIT_BUF(pCommih)), tlen) < 0) return -1;
taosCalcChecksumAppend(0, (uint8_t *)TSDB_COMMIT_BUF(pCommih), tlen);
if (tsdbAppendDFile(pHeadf, TSDB_COMMIT_BUF(pCommih), tlen, &offset) < tlen) {
tsdbError("vgId:%d failed to write block index part to file %s since %s", TSDB_COMMIT_REPO_ID(pCommih),
TSDB_FILE_FULL_NAME(pHeadf), tstrerror(terrno));
return -1;
}
tsdbUpdateDFileMagic(pHeadf, POINTER_SHIFT(TSDB_COMMIT_BUF(pCommih), tlen - sizeof(TSCKSUM)));
pHeadf->info.offset = (uint32_t)offset;
pHeadf->info.len = tlen;
return 0;
}
static int tsdbCommitMemData(SCommitH *pCommith, SCommitIter *pIter, TSKEY keyLimit, bool toData) {
STsdbRepo *pRepo = TSDB_COMMIT_REPO(pCommith);
STsdbCfg * pCfg = REPO_CFG(pRepo);
SMergeInfo mInfo;
int32_t defaultRows = TSDB_COMMIT_DEFAULT_ROWS(pCommith);
SDFile * pDFile;
bool isLast;
SBlock block;
while (true) {
tsdbLoadDataFromCache(pIter->pTable, pIter->pIter, keyLimit, defaultRows, pCommith->pDataCols, NULL, 0,
pCfg->update, &mInfo);
if (pCommith->pDataCols->numOfRows <= 0) break;
if (toData || pCommith->pDataCols->numOfRows >= pCfg->minRowsPerFileBlock) {
pDFile = TSDB_COMMIT_DATA_FILE(pCommith);
isLast = false;
} else {
pDFile = TSDB_COMMIT_LAST_FILE(pCommith);
isLast = true;
}
if (tsdbWriteBlock(pCommith, pDFile, pCommith->pDataCols, &block, isLast, true) < 0) return -1;
if (tsdbCommitAddBlock(pCommith, &block, NULL, 0) < 0) {
return -1;
}
}
return 0;
}
static int tsdbMergeMemData(SCommitH *pCommith, SCommitIter *pIter, int bidx) {
STsdbRepo *pRepo = TSDB_COMMIT_REPO(pCommith);
STsdbCfg * pCfg = REPO_CFG(pRepo);
int nBlocks = pCommith->readh.pBlkIdx->numOfBlocks;
SBlock * pBlock = pCommith->readh.pBlkInfo->blocks + bidx;
TSKEY keyLimit;
int16_t colId = 0;
SMergeInfo mInfo;
SBlock subBlocks[TSDB_MAX_SUBBLOCKS];
SBlock block, supBlock;
SDFile * pDFile;
if (bidx == nBlocks - 1) {
keyLimit = pCommith->maxKey;
} else {
keyLimit = pBlock[1].keyFirst - 1;
}
SSkipListIterator titer = *(pIter->pIter);
if (tsdbLoadBlockDataCols(&(pCommith->readh), pBlock, NULL, &colId, 1) < 0) return -1;
tsdbLoadDataFromCache(pIter->pTable, &titer, keyLimit, INT32_MAX, NULL, pCommith->readh.pDCols[0]->cols[0].pData,
pCommith->readh.pDCols[0]->numOfRows, pCfg->update, &mInfo);
if (mInfo.nOperations == 0) {
// no new data to insert (all updates denied)
if (tsdbMoveBlock(pCommith, bidx) < 0) {
return -1;
}
*(pIter->pIter) = titer;
} else if (pBlock->numOfRows + mInfo.rowsInserted - mInfo.rowsDeleteSucceed == 0) {
// Ignore the block
ASSERT(0);
*(pIter->pIter) = titer;
} else if (tsdbCanAddSubBlock(pCommith, pBlock, &mInfo)) {
// Add a sub-block
tsdbLoadDataFromCache(pIter->pTable, pIter->pIter, keyLimit, INT32_MAX, pCommith->pDataCols,
pCommith->readh.pDCols[0]->cols[0].pData, pCommith->readh.pDCols[0]->numOfRows, pCfg->update,
&mInfo);
if (pBlock->last) {
pDFile = TSDB_COMMIT_LAST_FILE(pCommith);
} else {
pDFile = TSDB_COMMIT_DATA_FILE(pCommith);
}
if (tsdbWriteBlock(pCommith, pDFile, pCommith->pDataCols, &block, pBlock->last, false) < 0) return -1;
if (pBlock->numOfSubBlocks == 1) {
subBlocks[0] = *pBlock;
subBlocks[0].numOfSubBlocks = 0;
} else {
memcpy(subBlocks, POINTER_SHIFT(pCommith->readh.pBlkInfo, pBlock->offset),
sizeof(SBlock) * pBlock->numOfSubBlocks);
}
subBlocks[pBlock->numOfSubBlocks] = block;
supBlock = *pBlock;
supBlock.keyFirst = mInfo.keyFirst;
supBlock.keyLast = mInfo.keyLast;
supBlock.numOfSubBlocks++;
supBlock.numOfRows = pBlock->numOfRows + mInfo.rowsInserted - mInfo.rowsDeleteSucceed;
supBlock.offset = taosArrayGetSize(pCommith->aSubBlk) * sizeof(SBlock);
if (tsdbCommitAddBlock(pCommith, &supBlock, subBlocks, supBlock.numOfSubBlocks) < 0) return -1;
} else {
if (tsdbLoadBlockData(&(pCommith->readh), pBlock, NULL) < 0) return -1;
if (tsdbMergeBlockData(pCommith, pIter, pCommith->readh.pDCols[0], keyLimit, bidx == (nBlocks - 1)) < 0) return -1;
}
return 0;
}
static int tsdbMoveBlock(SCommitH *pCommith, int bidx) {
SBlock *pBlock = pCommith->readh.pBlkInfo->blocks + bidx;
SDFile *pDFile;
SBlock block;
bool isSameFile;
ASSERT(pBlock->numOfSubBlocks > 0);
if (pBlock->last) {
pDFile = TSDB_COMMIT_LAST_FILE(pCommith);
isSameFile = pCommith->isLFileSame;
} else {
pDFile = TSDB_COMMIT_DATA_FILE(pCommith);
isSameFile = pCommith->isDFileSame;
}
if (isSameFile) {
if (pBlock->numOfSubBlocks == 1) {
if (tsdbCommitAddBlock(pCommith, pBlock, NULL, 0) < 0) {
return -1;
}
} else {
block = *pBlock;
block.offset = sizeof(SBlock) * taosArrayGetSize(pCommith->aSubBlk);
if (tsdbCommitAddBlock(pCommith, &block, POINTER_SHIFT(pCommith->readh.pBlkInfo, pBlock->offset),
pBlock->numOfSubBlocks) < 0) {
return -1;
}
}
} else {
if (tsdbLoadBlockData(&(pCommith->readh), pBlock, NULL) < 0) return -1;
if (tsdbWriteBlock(pCommith, pDFile, pCommith->readh.pDCols[0], &block, pBlock->last, true) < 0) return -1;
if (tsdbCommitAddBlock(pCommith, &block, NULL, 0) < 0) return -1;
}
return 0;
}
static int tsdbCommitAddBlock(SCommitH *pCommith, const SBlock *pSupBlock, const SBlock *pSubBlocks, int nSubBlocks) {
if (taosArrayPush(pCommith->aSupBlk, pSupBlock) < 0) {
terrno = TSDB_CODE_TDB_OUT_OF_MEMORY;
return -1;
}
if (pSubBlocks && taosArrayPushBatch(pCommith->aSubBlk, pSubBlocks, nSubBlocks) < 0) {
terrno = TSDB_CODE_TDB_OUT_OF_MEMORY;
return -1;
}
return 0;
}
static int tsdbMergeBlockData(SCommitH *pCommith, SCommitIter *pIter, SDataCols *pDataCols, TSKEY keyLimit, bool isLastOneBlock) {
STsdbRepo *pRepo = TSDB_COMMIT_REPO(pCommith);
STsdbCfg * pCfg = REPO_CFG(pRepo);
SBlock block;
SDFile * pDFile;
bool isLast;
int32_t defaultRows = TSDB_COMMIT_DEFAULT_ROWS(pCommith);
int biter = 0;
while (true) {
tsdbLoadAndMergeFromCache(pCommith->readh.pDCols[0], &biter, pIter, pCommith->pDataCols, keyLimit, defaultRows,
pCfg->update);
if (pCommith->pDataCols->numOfRows == 0) break;
if (isLastOneBlock) {
if (pCommith->pDataCols->numOfRows < pCfg->minRowsPerFileBlock) {
pDFile = TSDB_COMMIT_LAST_FILE(pCommith);
isLast = true;
} else {
pDFile = TSDB_COMMIT_DATA_FILE(pCommith);
isLast = false;
}
} else {
pDFile = TSDB_COMMIT_DATA_FILE(pCommith);
isLast = false;
}
if (tsdbWriteBlock(pCommith, pDFile, pCommith->pDataCols, &block, isLast, true) < 0) return -1;
if (tsdbCommitAddBlock(pCommith, &block, NULL, 0) < 0) return -1;
}
return 0;
}
static void tsdbLoadAndMergeFromCache(SDataCols *pDataCols, int *iter, SCommitIter *pCommitIter, SDataCols *pTarget,
TSKEY maxKey, int maxRows, int8_t update) {
TSKEY key1 = INT64_MAX;
TSKEY key2 = INT64_MAX;
STSchema *pSchema = NULL;
ASSERT(maxRows > 0 && dataColsKeyLast(pDataCols) <= maxKey);
tdResetDataCols(pTarget);
while (true) {
key1 = (*iter >= pDataCols->numOfRows) ? INT64_MAX : dataColsKeyAt(pDataCols, *iter);
bool isRowDel = false;
SDataRow row = tsdbNextIterRow(pCommitIter->pIter);
if (row == NULL || dataRowKey(row) > maxKey) {
key2 = INT64_MAX;
} else {
key2 = dataRowKey(row);
isRowDel = dataRowDeleted(row);
}
if (key1 == INT64_MAX && key2 == INT64_MAX) break;
if (key1 < key2) {
for (int i = 0; i < pDataCols->numOfCols; i++) {
dataColAppendVal(pTarget->cols + i, tdGetColDataOfRow(pDataCols->cols + i, *iter), pTarget->numOfRows,
pTarget->maxPoints);
}
pTarget->numOfRows++;
(*iter)++;
} else if (key1 > key2) {
if (!isRowDel) {
if (pSchema == NULL || schemaVersion(pSchema) != dataRowVersion(row)) {
pSchema = tsdbGetTableSchemaImpl(pCommitIter->pTable, false, false, dataRowVersion(row));
ASSERT(pSchema != NULL);
}
tdAppendDataRowToDataCol(row, pSchema, pTarget);
}
tSkipListIterNext(pCommitIter->pIter);
} else {
if (update) {
if (!isRowDel) {
if (pSchema == NULL || schemaVersion(pSchema) != dataRowVersion(row)) {
pSchema = tsdbGetTableSchemaImpl(pCommitIter->pTable, false, false, dataRowVersion(row));
ASSERT(pSchema != NULL);
}
tdAppendDataRowToDataCol(row, pSchema, pTarget);
}
} else {
ASSERT(!isRowDel);
for (int i = 0; i < pDataCols->numOfCols; i++) {
dataColAppendVal(pTarget->cols + i, tdGetColDataOfRow(pDataCols->cols + i, *iter), pTarget->numOfRows,
pTarget->maxPoints);
}
pTarget->numOfRows++;
}
(*iter)++;
tSkipListIterNext(pCommitIter->pIter);
}
if (pTarget->numOfRows >= maxRows) break;
}
}
static void tsdbResetCommitFile(SCommitH *pCommith) {
pCommith->isRFileSet = false;
pCommith->isDFileSame = false;
pCommith->isLFileSame = false;
taosArrayClear(pCommith->aBlkIdx);
}
static void tsdbResetCommitTable(SCommitH *pCommith) {
taosArrayClear(pCommith->aSubBlk);
taosArrayClear(pCommith->aSupBlk);
pCommith->pTable = NULL;
}
static int tsdbSetAndOpenCommitFile(SCommitH *pCommith, SDFileSet *pSet, int fid) {
SDiskID did;
STsdbRepo *pRepo = TSDB_COMMIT_REPO(pCommith);
SDFileSet *pWSet = TSDB_COMMIT_WRITE_FSET(pCommith);
tfsAllocDisk(tsdbGetFidLevel(fid, &(pCommith->rtn)), &(did.level), &(did.id));
if (did.level == TFS_UNDECIDED_LEVEL) {
terrno = TSDB_CODE_TDB_NO_AVAIL_DISK;
return -1;
}
// Open read FSET
if (pSet) {
if (tsdbSetAndOpenReadFSet(&(pCommith->readh), pSet) < 0) {
return -1;
}
pCommith->isRFileSet = true;
if (tsdbLoadBlockIdx(&(pCommith->readh)) < 0) {
tsdbCloseAndUnsetFSet(&(pCommith->readh));
return -1;
}
tsdbDebug("vgId:%d FSET %d at level %d disk id %d is opened to read to commit", REPO_ID(pRepo), TSDB_FSET_FID(pSet),
TSDB_FSET_LEVEL(pSet), TSDB_FSET_ID(pSet));
} else {
pCommith->isRFileSet = false;
}
// Set and open commit FSET
if (pSet == NULL || did.level > TSDB_FSET_LEVEL(pSet)) {
// Create a new FSET to write data
tsdbInitDFileSet(pWSet, did, REPO_ID(pRepo), fid, FS_TXN_VERSION(REPO_FS(pRepo)));
if (tsdbCreateDFileSet(pWSet, true) < 0) {
tsdbError("vgId:%d failed to create FSET %d at level %d disk id %d since %s", REPO_ID(pRepo),
TSDB_FSET_FID(pWSet), TSDB_FSET_LEVEL(pWSet), TSDB_FSET_ID(pWSet), tstrerror(terrno));
if (pCommith->isRFileSet) {
tsdbCloseAndUnsetFSet(&(pCommith->readh));
}
return -1;
}
pCommith->isDFileSame = false;
pCommith->isLFileSame = false;
tsdbDebug("vgId:%d FSET %d at level %d disk id %d is created to commit", REPO_ID(pRepo), TSDB_FSET_FID(pWSet),
TSDB_FSET_LEVEL(pWSet), TSDB_FSET_ID(pWSet));
} else {
did.level = TSDB_FSET_LEVEL(pSet);
did.id = TSDB_FSET_ID(pSet);
pCommith->wSet.fid = fid;
pCommith->wSet.state = 0;
// TSDB_FILE_HEAD
SDFile *pWHeadf = TSDB_COMMIT_HEAD_FILE(pCommith);
tsdbInitDFile(pWHeadf, did, REPO_ID(pRepo), fid, FS_TXN_VERSION(REPO_FS(pRepo)), TSDB_FILE_HEAD);
if (tsdbCreateDFile(pWHeadf, true) < 0) {
tsdbError("vgId:%d failed to create file %s to commit since %s", REPO_ID(pRepo), TSDB_FILE_FULL_NAME(pWHeadf),
tstrerror(terrno));
if (pCommith->isRFileSet) {
tsdbCloseAndUnsetFSet(&(pCommith->readh));
return -1;
}
}
// TSDB_FILE_DATA
SDFile *pRDataf = TSDB_READ_DATA_FILE(&(pCommith->readh));
SDFile *pWDataf = TSDB_COMMIT_DATA_FILE(pCommith);
tsdbInitDFileEx(pWDataf, pRDataf);
if (tsdbOpenDFile(pWDataf, O_WRONLY) < 0) {
tsdbError("vgId:%d failed to open file %s to commit since %s", REPO_ID(pRepo), TSDB_FILE_FULL_NAME(pWDataf),
tstrerror(terrno));
tsdbCloseDFileSet(pWSet);
tsdbRemoveDFile(pWHeadf);
if (pCommith->isRFileSet) {
tsdbCloseAndUnsetFSet(&(pCommith->readh));
return -1;
}
}
pCommith->isDFileSame = true;
// TSDB_FILE_LAST
SDFile *pRLastf = TSDB_READ_LAST_FILE(&(pCommith->readh));
SDFile *pWLastf = TSDB_COMMIT_LAST_FILE(pCommith);
if (pRLastf->info.size < 32 * 1024) {
tsdbInitDFileEx(pWLastf, pRLastf);
pCommith->isLFileSame = true;
if (tsdbOpenDFile(pWLastf, O_WRONLY) < 0) {
tsdbError("vgId:%d failed to open file %s to commit since %s", REPO_ID(pRepo), TSDB_FILE_FULL_NAME(pWLastf),
tstrerror(terrno));
tsdbCloseDFileSet(pWSet);
tsdbRemoveDFile(pWHeadf);
if (pCommith->isRFileSet) {
tsdbCloseAndUnsetFSet(&(pCommith->readh));
return -1;
}
}
} else {
tsdbInitDFile(pWLastf, did, REPO_ID(pRepo), fid, FS_TXN_VERSION(REPO_FS(pRepo)), TSDB_FILE_LAST);
pCommith->isLFileSame = false;
if (tsdbCreateDFile(pWLastf, true) < 0) {
tsdbError("vgId:%d failed to create file %s to commit since %s", REPO_ID(pRepo), TSDB_FILE_FULL_NAME(pWLastf),
tstrerror(terrno));
tsdbCloseDFileSet(pWSet);
tsdbRemoveDFile(pWHeadf);
if (pCommith->isRFileSet) {
tsdbCloseAndUnsetFSet(&(pCommith->readh));
return -1;
}
}
}
}
return 0;
}
static void tsdbCloseCommitFile(SCommitH *pCommith, bool hasError) {
if (pCommith->isRFileSet) {
tsdbCloseAndUnsetFSet(&(pCommith->readh));
}
if (!hasError) {
TSDB_FSET_FSYNC(TSDB_COMMIT_WRITE_FSET(pCommith));
}
tsdbCloseDFileSet(TSDB_COMMIT_WRITE_FSET(pCommith));
}
static bool tsdbCanAddSubBlock(SCommitH *pCommith, SBlock *pBlock, SMergeInfo *pInfo) {
STsdbRepo *pRepo = TSDB_COMMIT_REPO(pCommith);
STsdbCfg * pCfg = REPO_CFG(pRepo);
int mergeRows = pBlock->numOfRows + pInfo->rowsInserted - pInfo->rowsDeleteSucceed;
ASSERT(mergeRows > 0);
if (pBlock->numOfSubBlocks < TSDB_MAX_SUBBLOCKS && pInfo->nOperations <= pCfg->maxRowsPerFileBlock) {
if (pBlock->last) {
if (pCommith->isLFileSame && mergeRows < pCfg->minRowsPerFileBlock) return true;
} else {
if (pCommith->isDFileSame && mergeRows <= pCfg->maxRowsPerFileBlock) return true;
}
}
return false;
}
static int tsdbApplyRtn(STsdbRepo *pRepo) {
SRtn rtn;
SFSIter fsiter;
STsdbFS * pfs = REPO_FS(pRepo);
SDFileSet *pSet;
// Get retention snapshot
tsdbGetRtnSnap(pRepo, &rtn);
tsdbFSIterInit(&fsiter, pfs, TSDB_FS_ITER_FORWARD);
while ((pSet = tsdbFSIterNext(&fsiter))) {
if (pSet->fid < rtn.minFid) {
tsdbInfo("vgId:%d FSET %d at level %d disk id %d expires, remove it", REPO_ID(pRepo), pSet->fid,
TSDB_FSET_LEVEL(pSet), TSDB_FSET_ID(pSet));
continue;
}
if (tsdbApplyRtnOnFSet(pRepo, pSet, &rtn) < 0) {
return -1;
}
}
return 0;
}
static int tsdbApplyRtnOnFSet(STsdbRepo *pRepo, SDFileSet *pSet, SRtn *pRtn) {
SDiskID did;
SDFileSet nSet;
STsdbFS * pfs = REPO_FS(pRepo);
int level;
ASSERT(pSet->fid >= pRtn->minFid);
level = tsdbGetFidLevel(pSet->fid, pRtn);
tfsAllocDisk(level, &(did.level), &(did.id));
if (did.level == TFS_UNDECIDED_LEVEL) {
terrno = TSDB_CODE_TDB_NO_AVAIL_DISK;
return -1;
}
if (did.level > TSDB_FSET_LEVEL(pSet)) {
// Need to move the FSET to higher level
tsdbInitDFileSet(&nSet, did, REPO_ID(pRepo), pSet->fid, FS_TXN_VERSION(pfs));
if (tsdbCopyDFileSet(pSet, &nSet) < 0) {
tsdbError("vgId:%d failed to copy FSET %d from level %d to level %d since %s", REPO_ID(pRepo), pSet->fid,
TSDB_FSET_LEVEL(pSet), did.level, tstrerror(terrno));
return -1;
}
if (tsdbUpdateDFileSet(pfs, &nSet) < 0) {
return -1;
}
tsdbInfo("vgId:%d FSET %d is copied from level %d disk id %d to level %d disk id %d", REPO_ID(pRepo), pSet->fid,
TSDB_FSET_LEVEL(pSet), TSDB_FSET_ID(pSet), did.level, did.id);
} else {
// On a correct level
if (tsdbUpdateDFileSet(pfs, pSet) < 0) {
return -1;
}
}
return 0;
}
Reference in New Issue View Git Blame Copy Permalink