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meta: use meta cache to get uid's version instead of fetching from tdb

This commit is contained in:
Minglei Jin 2022-11-18 14:38:44 +08:00
parent f26a492c67
commit 35b9dc6b6c
4 changed files with 31 additions and 9 deletions
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2
source/dnode/vnode/src/inc/vnodeInt.h
View File

@ -142,7 +142,7 @@ typedef struct SMetaInfo {
int64_t version;
int32_t skmVer;
} SMetaInfo;
int32_t metaGetInfo(SMeta* pMeta, int64_t uid, SMetaInfo* pInfo);
int32_t metaGetInfo(SMeta* pMeta, int64_t uid, SMetaInfo* pInfo, SMetaReader* pReader);
typedef struct {
int64_t uid;

30
source/dnode/vnode/src/meta/metaQuery.c
View File

@ -152,7 +152,8 @@ bool metaIsTableExist(SMeta *pMeta, tb_uid_t uid) {
}
int metaGetTableEntryByUid(SMetaReader *pReader, tb_uid_t uid) {
SMeta *pMeta = pReader->pMeta;
SMeta *pMeta = pReader->pMeta;
/*
int64_t version1;
// query uid.idx
@ -163,6 +164,15 @@ int metaGetTableEntryByUid(SMetaReader *pReader, tb_uid_t uid) {
version1 = ((SUidIdxVal *)pReader->pBuf)[0].version;
return metaGetTableEntryByVersion(pReader, version1, uid);
*/
SMetaInfo info;
if (metaGetInfo(pMeta, uid, &info, pReader) == TSDB_CODE_NOT_FOUND) {
terrno = TSDB_CODE_PAR_TABLE_NOT_EXIST;
return -1;
}
return metaGetTableEntryByVersion(pReader, info.version, uid);
}
int metaGetTableEntryByName(SMetaReader *pReader, const char *name) {
@ -614,7 +624,7 @@ int32_t metaGetTbTSchemaEx(SMeta *pMeta, tb_uid_t suid, tb_uid_t uid, int32_t sv
SSkmDbKey skmDbKey;
if (sver <= 0) {
SMetaInfo info;
if (metaGetInfo(pMeta, suid ? suid : uid, &info) == 0) {
if (metaGetInfo(pMeta, suid ? suid : uid, &info, NULL) == 0) {
sver = info.skmVer;
} else {
TBC *pSkmDbC = NULL;
@ -1126,7 +1136,7 @@ int32_t metaFilterTableName(SMeta *pMeta, SMetaFltParam *param, SArray *pUids) {
valid = tdbTbcGet(pCursor->pCur, (const void **)pEntryKey, &nEntryKey, (const void **)&pEntryVal, &nEntryVal);
if (valid < 0) break;
char *pTableKey = (char *)pEntryKey;
char *pTableKey = (char *)pEntryKey;
cmp = (*param->filterFunc)(pTableKey, pName, pCursor->type);
if (cmp == 0) {
tb_uid_t tuid = *(tb_uid_t *)pEntryVal;
@ -1379,10 +1389,11 @@ int32_t metaGetTableTags(SMeta *pMeta, uint64_t suid, SArray *uidList, SHashObj
int32_t metaCacheGet(SMeta *pMeta, int64_t uid, SMetaInfo *pInfo);
int32_t metaGetInfo(SMeta *pMeta, int64_t uid, SMetaInfo *pInfo) {
int32_t metaGetInfo(SMeta *pMeta, int64_t uid, SMetaInfo *pInfo, SMetaReader *pReader) {
int32_t code = 0;
void *pData = NULL;
int nData = 0;
int lock = 0;
metaRLock(pMeta);
@ -1407,11 +1418,22 @@ int32_t metaGetInfo(SMeta *pMeta, int64_t uid, SMetaInfo *pInfo) {
pInfo->version = ((SUidIdxVal *)pData)->version;
pInfo->skmVer = ((SUidIdxVal *)pData)->skmVer;
if (pReader != NULL) {
lock = !(pReader->flags & META_READER_NOLOCK);
if (lock) {
metaULock(pReader->pMeta);
// metaReaderReleaseLock(pReader);
}
}
// upsert the cache
metaWLock(pMeta);
metaCacheUpsert(pMeta, pInfo);
metaULock(pMeta);
if (lock) {
metaRLock(pReader->pMeta);
}
_exit:
tdbFree(pData);
return code;

2
source/dnode/vnode/src/meta/metaTable.c
View File

@ -207,7 +207,7 @@ int metaCreateSTable(SMeta *pMeta, int64_t version, SVCreateStbReq *pReq) {
tb_uid_t uid = *(tb_uid_t *)pData;
tdbFree(pData);
SMetaInfo info;
metaGetInfo(pMeta, uid, &info);
metaGetInfo(pMeta, uid, &info, NULL);
if (info.uid == info.suid) {
return 0;
} else {

6
source/dnode/vnode/src/tsdb/tsdbMemTable.c
View File

@ -104,7 +104,7 @@ int32_t tsdbInsertTableData(STsdb *pTsdb, int64_t version, SSubmitMsgIter *pMsgI
tb_uid_t uid = pMsgIter->uid;
SMetaInfo info;
code = metaGetInfo(pTsdb->pVnode->pMeta, uid, &info);
code = metaGetInfo(pTsdb->pVnode->pMeta, uid, &info, NULL);
if (code) {
code = TSDB_CODE_TDB_TABLE_NOT_EXIST;
goto _err;
@ -114,7 +114,7 @@ int32_t tsdbInsertTableData(STsdb *pTsdb, int64_t version, SSubmitMsgIter *pMsgI
goto _err;
}
if (info.suid) {
metaGetInfo(pTsdb->pVnode->pMeta, info.suid, &info);
metaGetInfo(pTsdb->pVnode->pMeta, info.suid, &info, NULL);
}
if (pMsgIter->sversion != info.skmVer) {
tsdbError("vgId:%d, req sver:%d, skmVer:%d suid:%" PRId64 " uid:%" PRId64, TD_VID(pTsdb->pVnode),
@ -153,7 +153,7 @@ int32_t tsdbDeleteTableData(STsdb *pTsdb, int64_t version, tb_uid_t suid, tb_uid
// check if table exists
SMetaInfo info;
code = metaGetInfo(pTsdb->pVnode->pMeta, uid, &info);
code = metaGetInfo(pTsdb->pVnode->pMeta, uid, &info, NULL);
if (code) {
code = TSDB_CODE_TDB_TABLE_NOT_EXIST;
goto _err;