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refactor checkpoint

This commit is contained in:
yihaoDeng 2023-06-16 17:28:50 +08:00
parent bd0168e562
commit b0a3a8d619
3 changed files with 188 additions and 171 deletions
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3
source/dnode/mnode/impl/inc/mndDef.h
View File

@ -691,6 +691,9 @@ typedef struct {
int64_t currentTick; // do not serialize
int64_t deleteMark;
int8_t igCheckUpdate;
// 3.0.5.
int64_t checkpointId;
} SStreamObj;
int32_t tEncodeSStreamObj(SEncoder* pEncoder, const SStreamObj* pObj);

6
source/dnode/mnode/impl/src/mndDef.c
View File

@ -80,6 +80,9 @@ int32_t tEncodeSStreamObj(SEncoder *pEncoder, const SStreamObj *pObj) {
if (tEncodeI64(pEncoder, pObj->checkpointFreq) < 0) return -1;
if (tEncodeI8(pEncoder, pObj->igCheckUpdate) < 0) return -1;
// 3.0.50
if (tEncodeI64(pEncoder, pObj->checkpointId) < 0) return -1;
tEndEncode(pEncoder);
return pEncoder->pos;
}
@ -150,6 +153,9 @@ int32_t tDecodeSStreamObj(SDecoder *pDecoder, SStreamObj *pObj, int32_t sver) {
if (tDecodeI8(pDecoder, &pObj->igCheckUpdate) < 0) return -1;
}
}
if (sver >= 3) {
if (tDecodeI64(pDecoder, &pObj->checkpointId) < 0) return -1;
}
tEndDecode(pDecoder);
return 0;
}

18
source/dnode/mnode/impl/src/mndStream.c
View File

@ -28,7 +28,7 @@
#include "parser.h"
#include "tname.h"
#define MND_STREAM_VER_NUMBER 2
#define MND_STREAM_VER_NUMBER 3
#define MND_STREAM_RESERVE_SIZE 64
#define MND_STREAM_MAX_NUM 60
@ -147,7 +147,7 @@ SSdbRow *mndStreamActionDecode(SSdbRaw *pRaw) {
int8_t sver = 0;
if (sdbGetRawSoftVer(pRaw, &sver) != 0) goto STREAM_DECODE_OVER;
if (sver != 1 && sver != 2) {
if (sver != 1 && sver != 2 && sver != 3) {
terrno = TSDB_CODE_SDB_INVALID_DATA_VER;
goto STREAM_DECODE_OVER;
}
@ -946,6 +946,9 @@ static int32_t mndBuildStreamCheckpointSourceReq2(void **pBuf, int32_t *pLen, in
}
static int32_t mndProcessStreamCheckpointTrans(SMnode *pMnode, SStreamObj *pStream, SHashObj *vgIds,
int64_t checkpointId) {
if (checkpointId == pStream->checkpointId) {
return -1;
}
STrans *pTrans = mndTransCreate(pMnode, TRN_POLICY_RETRY, TRN_CONFLICT_DB_INSIDE, NULL, "stream-checkpoint");
if (pTrans == NULL) return -1;
mndTransSetDbName(pTrans, pStream->sourceDb, pStream->targetDb);
@ -955,7 +958,8 @@ static int32_t mndProcessStreamCheckpointTrans(SMnode *pMnode, SStreamObj *pStre
mndTransDrop(pTrans);
return -1;
}
taosRLockLatch(&pStream->lock);
atomic_store_64(&pStream->currentTick, 1);
taosWLockLatch(&pStream->lock);
// 1. redo action: broadcast checkpoint source msg for all source vg
int32_t totLevel = taosArrayGetSize(pStream->tasks);
for (int32_t i = 0; i < totLevel; i++) {
@ -1003,10 +1007,11 @@ static int32_t mndProcessStreamCheckpointTrans(SMnode *pMnode, SStreamObj *pStre
}
// 2. reset tick
pStream->checkpointFreq = checkpointId;
pStream->checkpointId = checkpointId;
atomic_store_64(&pStream->currentTick, 0);
// 3. commit log: stream checkpoint info
taosRUnLockLatch(&pStream->lock);
pStream->version = pStream->version + 1;
taosWUnLockLatch(&pStream->lock);
// // code condtion
@ -1051,6 +1056,9 @@ static int32_t mndProcessStreamDoCheckpoint(SRpcMsg *pReq) {
pIter = sdbFetch(pSdb, SDB_STREAM, pIter, (void **)&pStream);
if (pIter == NULL) break;
code = mndProcessStreamCheckpointTrans(pMnode, pStream, vgIds, checkpointId);
if (code == -1) {
mInfo("stream:%s failed to do checkpoint, reason: last checkpoint not finished", pStream->name);
}
sdbRelease(pSdb, pStream);
}
taosHashCleanup(vgIds);