fix: add log to debug mnode sync

source/dnode/mnode/impl/src/mndSync.c

@@ -46,13 +46,14 @@ void mndSyncCommitMsg(struct SSyncFSM *pFsm, const SRpcMsg *pMsg, SFsmCbMeta cbM
 
   int32_t transId = sdbGetIdFromRaw(pMnode->pSdb, pRaw);
   pMgmt->errCode = cbMeta.code;
-  mDebug("trans:%d, is proposed, saved:%d code:0x%x, index:%" PRId64 " term:%" PRId64 " role:%s raw:%p", transId,
-         pMgmt->transId, cbMeta.code, cbMeta.index, cbMeta.term, syncStr(cbMeta.state), pRaw);
+  mDebug("trans:%d, is proposed, saved:%d code:0x%x, apply index:%" PRId64 " term:%" PRIu64 " config:%" PRId64
+         " role:%s raw:%p",
+         transId, pMgmt->transId, cbMeta.code, cbMeta.index, cbMeta.term, cbMeta.lastConfigIndex, syncStr(cbMeta.state),
+         pRaw);
 
   if (pMgmt->errCode == 0) {
     sdbWriteWithoutFree(pMnode->pSdb, pRaw);
-    sdbSetApplyIndex(pMnode->pSdb, cbMeta.index);
-    sdbSetApplyTerm(pMnode->pSdb, cbMeta.term);
+    sdbSetApplyInfo(pMnode->pSdb, cbMeta.index, cbMeta.term, cbMeta.lastConfigIndex);
   }
 
   if (pMgmt->transId == transId) {
@@ -68,36 +69,19 @@ void mndSyncCommitMsg(struct SSyncFSM *pFsm, const SRpcMsg *pMsg, SFsmCbMeta cbM
       mndReleaseTrans(pMnode, pTrans);
     }
 
-    if (cbMeta.index - sdbGetApplyIndex(pMnode->pSdb) > 100) {
-      SSnapshotMeta sMeta = {0};
-      // if (syncGetSnapshotMeta(pMnode->syncMgmt.sync, &sMeta) == 0) {
-      if (syncGetSnapshotMetaByIndex(pMnode->syncMgmt.sync, cbMeta.index, &sMeta) == 0) {
-        sdbSetCurConfig(pMnode->pSdb, sMeta.lastConfigIndex);
-      }
-      sdbWriteFile(pMnode->pSdb);
-    }
+    sdbWriteFile(pMnode->pSdb, SDB_WRITE_DELTA);
   }
 }
 
 int32_t mndSyncGetSnapshot(struct SSyncFSM *pFsm, SSnapshot *pSnapshot) {
   SMnode *pMnode = pFsm->data;
-  pSnapshot->lastApplyIndex = sdbGetCommitIndex(pMnode->pSdb);
-  pSnapshot->lastApplyTerm = sdbGetCommitTerm(pMnode->pSdb);
-  pSnapshot->lastConfigIndex = sdbGetCurConfig(pMnode->pSdb);
+  sdbGetCommitInfo(pMnode->pSdb, &pSnapshot->lastApplyIndex, &pSnapshot->lastApplyTerm, &pSnapshot->lastConfigIndex);
   return 0;
 }
 
 void mndRestoreFinish(struct SSyncFSM *pFsm) {
   SMnode *pMnode = pFsm->data;
 
-  SSnapshotMeta sMeta = {0};
-  // if (syncGetSnapshotMeta(pMnode->syncMgmt.sync, &sMeta) == 0) {
-
-  SyncIndex snapshotIndex = sdbGetApplyIndex(pMnode->pSdb);
-  if (syncGetSnapshotMetaByIndex(pMnode->syncMgmt.sync, snapshotIndex, &sMeta) == 0) {
-    sdbSetCurConfig(pMnode->pSdb, sMeta.lastConfigIndex);
-  }
-
   if (!pMnode->deploy) {
     mInfo("mnode sync restore finished, and will handle outstanding transactions");
     mndTransPullup(pMnode);

source/dnode/mnode/impl/src/mndTrans.c

@@ -22,8 +22,8 @@
 #include "mndSync.h"
 #include "mndUser.h"
 
-#define TRANS_VER_NUMBER 1
-#define TRANS_ARRAY_SIZE 8
+#define TRANS_VER_NUMBER   1
+#define TRANS_ARRAY_SIZE   8
 #define TRANS_RESERVE_SIZE 64
 
 static SSdbRaw *mndTransActionEncode(STrans *pTrans);
@@ -1435,13 +1435,8 @@ void mndTransPullup(SMnode *pMnode) {
     mndReleaseTrans(pMnode, pTrans);
   }
 
-  SSnapshotMeta sMeta = {0};
-  // if (syncGetSnapshotMeta(pMnode->syncMgmt.sync, &sMeta) == 0) {
-  SyncIndex snapshotIndex = sdbGetApplyIndex(pMnode->pSdb);
-  if (syncGetSnapshotMetaByIndex(pMnode->syncMgmt.sync, snapshotIndex, &sMeta) == 0) {
-    sdbSetCurConfig(pMnode->pSdb, sMeta.lastConfigIndex);
-  }
-  sdbWriteFile(pMnode->pSdb);
+  // todo, set to SDB_WRITE_DELTA
+  sdbWriteFile(pMnode->pSdb, 0);
   taosArrayDestroy(pArray);
 }
 

source/dnode/mnode/impl/test/sdb/sdbTest.cpp

@@ -493,8 +493,11 @@ TEST_F(MndTestSdb, 01_Write_Str) {
   ASSERT_EQ(sdbGetSize(pSdb, SDB_USER), 2);
   ASSERT_EQ(sdbGetMaxId(pSdb, SDB_USER), -1);
   ASSERT_EQ(sdbGetTableVer(pSdb, SDB_USER), 2);
-  sdbSetApplyIndex(pSdb, -1);
-  ASSERT_EQ(sdbGetApplyIndex(pSdb), -1);
+  sdbSetApplyInfo(pSdb, -1, -1, -1);
+  int64_t index, config;
+  int64_t term;
+  sdbGetCommitInfo(pSdb, &index, &term, &config);
+  ASSERT_EQ(index, -1);
   ASSERT_EQ(mnode.insertTimes, 2);
   ASSERT_EQ(mnode.deleteTimes, 0);
 
@@ -700,11 +703,12 @@ TEST_F(MndTestSdb, 01_Write_Str) {
   }
 
   // write version
-  sdbSetApplyIndex(pSdb, 0);
-  sdbSetApplyIndex(pSdb, 1);
-  ASSERT_EQ(sdbGetApplyIndex(pSdb), 1);
-  ASSERT_EQ(sdbWriteFile(pSdb), 0);
-  ASSERT_EQ(sdbWriteFile(pSdb), 0);
+  sdbSetApplyInfo(pSdb, 0, 0, 0);
+  sdbSetApplyInfo(pSdb, 1, 0, 0);
+  sdbGetCommitInfo(pSdb, &index, &term, &config);
+  ASSERT_EQ(index, 1);
+  ASSERT_EQ(sdbWriteFile(pSdb, 0), 0);
+  ASSERT_EQ(sdbWriteFile(pSdb, 0), 0);
 
   sdbCleanup(pSdb);
   ASSERT_EQ(mnode.insertTimes, 7);
@@ -772,7 +776,11 @@ TEST_F(MndTestSdb, 01_Read_Str) {
   ASSERT_EQ(sdbGetSize(pSdb, SDB_USER), 2);
   ASSERT_EQ(sdbGetMaxId(pSdb, SDB_USER), -1);
   ASSERT_EQ(sdbGetTableVer(pSdb, SDB_USER), 5);
-  ASSERT_EQ(sdbGetApplyIndex(pSdb), 1);
+
+  int64_t index, config;
+  int64_t term;
+  sdbGetCommitInfo(pSdb, &index, &term, &config);
+  ASSERT_EQ(index, 1);
   ASSERT_EQ(mnode.insertTimes, 4);
   ASSERT_EQ(mnode.deleteTimes, 0);
 

source/dnode/mnode/sdb/inc/sdb.h

@@ -37,6 +37,8 @@ extern "C" {
 #define mTrace(...) { if (mDebugFlag & DEBUG_TRACE) { taosPrintLog("MND ", DEBUG_TRACE, mDebugFlag, __VA_ARGS__); }}
 // clang-format on
 
+#define SDB_WRITE_DELTA 100
+
 #define SDB_GET_VAL(pData, dataPos, val, pos, func, type) \
   {                                                       \
     if (func(pRaw, dataPos, val) != 0) {                  \
@@ -258,7 +260,7 @@ int32_t sdbReadFile(SSdb *pSdb);
  * @param pSdb The sdb object.
  * @return int32_t 0 for success, -1 for failure.
  */
-int32_t sdbWriteFile(SSdb *pSdb);
+int32_t sdbWriteFile(SSdb *pSdb, int32_t delta);
 
 /**
  * @brief Parse and write raw data to sdb, then free the pRaw object
@@ -362,14 +364,8 @@ int64_t sdbGetTableVer(SSdb *pSdb, ESdbType type);
  * @param index The update value of the apply index.
  * @return int32_t The current index of sdb
  */
-void    sdbSetApplyIndex(SSdb *pSdb, int64_t index);
-void    sdbSetApplyTerm(SSdb *pSdb, int64_t term);
-void    sdbSetCurConfig(SSdb *pSdb, int64_t config);
-int64_t sdbGetApplyIndex(SSdb *pSdb);
-int64_t sdbGetApplyTerm(SSdb *pSdb);
-int64_t sdbGetCommitIndex(SSdb *pSdb);
-int64_t sdbGetCommitTerm(SSdb *pSdb);
-int64_t sdbGetCurConfig(SSdb *pSdb);
+void sdbSetApplyInfo(SSdb *pSdb, int64_t index, int64_t term, int64_t config);
+void sdbGetCommitInfo(SSdb *pSdb, int64_t *index, int64_t *term, int64_t *config);
 
 SSdbRaw *sdbAllocRaw(ESdbType type, int8_t sver, int32_t dataLen);
 void     sdbFreeRaw(SSdbRaw *pRaw);

source/dnode/mnode/sdb/src/sdb.c

@@ -68,7 +68,7 @@ SSdb *sdbInit(SSdbOpt *pOption) {
 void sdbCleanup(SSdb *pSdb) {
   mDebug("start to cleanup sdb");
 
-  sdbWriteFile(pSdb);
+  sdbWriteFile(pSdb, 0);
 
   if (pSdb->currDir != NULL) {
     taosMemoryFreeClear(pSdb->currDir);
@@ -160,23 +160,20 @@ static int32_t sdbCreateDir(SSdb *pSdb) {
   return 0;
 }
 
-void sdbSetApplyIndex(SSdb *pSdb, int64_t index) { pSdb->applyIndex = index; }
-
-void sdbSetApplyTerm(SSdb *pSdb, int64_t term) { pSdb->applyTerm = term; }
-
-void sdbSetCurConfig(SSdb *pSdb, int64_t config) {
-  if (pSdb->applyConfig != config) {
-    mDebug("mnode sync config set from %" PRId64 " to %" PRId64, pSdb->applyConfig, config);
-    pSdb->applyConfig = config;
-  }
+void sdbSetApplyInfo(SSdb *pSdb, int64_t index, int64_t term, int64_t config) {
+  mTrace("mnode apply info changed, from index:%" PRId64 " term:%" PRId64 " config:%" PRId64 ", to index:%" PRId64
+         " term:%" PRId64 " config:%" PRId64,
+         pSdb->applyIndex, pSdb->applyTerm, pSdb->applyConfig, index, term, config);
+  pSdb->applyIndex = index;
+  pSdb->applyIndex = term;
+  pSdb->applyConfig = config;
 }
 
-int64_t sdbGetApplyIndex(SSdb *pSdb) { return pSdb->applyIndex; }
-
-int64_t sdbGetApplyTerm(SSdb *pSdb) { return pSdb->applyTerm; }
-
-int64_t sdbGetCommitIndex(SSdb *pSdb) { return pSdb->commitIndex; }
-
-int64_t sdbGetCommitTerm(SSdb *pSdb) { return pSdb->commitTerm; }
-
-int64_t sdbGetCurConfig(SSdb *pSdb) { return pSdb->commitConfig; }
+void sdbGetCommitInfo(SSdb *pSdb, int64_t *index, int64_t *term, int64_t *config) {
+  *index = pSdb->commitIndex;
+  *term = pSdb->commitTerm;
+  *config = pSdb->commitConfig;
+  mTrace("mnode current info, apply index:%" PRId64 " term:%" PRId64 " config:%" PRId64 ", commit index:%" PRId64
+         " term:%" PRId64 " config:%" PRId64,
+         pSdb->applyIndex, pSdb->applyTerm, pSdb->applyConfig, *index, *term, *config);
+}
\ No newline at end of file

source/dnode/mnode/sdb/src/sdbFile.c

@@ -445,12 +445,16 @@ static int32_t sdbWriteFileImp(SSdb *pSdb) {
   return code;
 }
 
-int32_t sdbWriteFile(SSdb *pSdb) {
+int32_t sdbWriteFile(SSdb *pSdb, int32_t delta) {
   int32_t code = 0;
   if (pSdb->applyIndex == pSdb->commitIndex) {
     return 0;
   }
 
+  if (pSdb->applyIndex - pSdb->commitIndex < delta) {
+    return 0;
+  }
+
   taosThreadMutexLock(&pSdb->filelock);
   if (pSdb->pWal != NULL) {
     code = walBeginSnapshot(pSdb->pWal, pSdb->applyIndex);
@@ -475,7 +479,7 @@ int32_t sdbDeploy(SSdb *pSdb) {
     return -1;
   }
 
-  if (sdbWriteFile(pSdb) != 0) {
+  if (sdbWriteFile(pSdb, 0) != 0) {
     return -1;
   }
 

source/libs/sync/src/syncSnapshot.c

@@ -50,6 +50,7 @@ SSyncSnapshotSender *snapshotSenderCreate(SSyncNode *pSyncNode, int32_t replicaI
   } else {
     sError("snapshotSenderCreate cannot create sender");
   }
+
   return pSender;
 }
 
@@ -84,6 +85,10 @@ void snapshotSenderStart(SSyncSnapshotSender *pSender) {
 
   // get current snapshot info
   pSender->pSyncNode->pFsm->FpGetSnapshot(pSender->pSyncNode->pFsm, &(pSender->snapshot));
+
+  sTrace("snapshotSenderStart lastApplyIndex:%ld, lastApplyTerm:%lu, lastConfigIndex:%ld",
+         pSender->snapshot.lastApplyIndex, pSender->snapshot.lastApplyTerm, pSender->snapshot.lastConfigIndex);
+
   if (pSender->snapshot.lastConfigIndex != SYNC_INDEX_INVALID) {
     /*
     SSyncRaftEntry *pEntry = NULL;
@@ -421,7 +426,7 @@ cJSON *snapshotSender2Json(SSyncSnapshotSender *pSender) {
 
 char *snapshotSender2Str(SSyncSnapshotSender *pSender) {
   cJSON *pJson = snapshotSender2Json(pSender);
-  char * serialized = cJSON_Print(pJson);
+  char  *serialized = cJSON_Print(pJson);
   cJSON_Delete(pJson);
   return serialized;
 }
@@ -542,7 +547,7 @@ cJSON *snapshotReceiver2Json(SSyncSnapshotReceiver *pReceiver) {
     cJSON_AddStringToObject(pFromId, "addr", u64buf);
     {
       uint64_t u64 = pReceiver->fromId.addr;
-      cJSON *  pTmp = pFromId;
+      cJSON   *pTmp = pFromId;
       char     host[128] = {0};
       uint16_t port;
       syncUtilU642Addr(u64, host, sizeof(host), &port);
@@ -566,7 +571,7 @@ cJSON *snapshotReceiver2Json(SSyncSnapshotReceiver *pReceiver) {
 
 char *snapshotReceiver2Str(SSyncSnapshotReceiver *pReceiver) {
   cJSON *pJson = snapshotReceiver2Json(pReceiver);
-  char * serialized = cJSON_Print(pJson);
+  char  *serialized = cJSON_Print(pJson);
   cJSON_Delete(pJson);
   return serialized;
 }