#3541

Committed 26 Nov 2024 03:56AM UTC coverage: 60.776% (-0.07%) from 60.846%

Build # #3541

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push

travis-ci

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web-flow

Commit Message

Merge pull request #28920 from taosdata/fix/TD-33008-3.0

fix(query)[TD-33008]. fix error handling in tsdbCacheRead

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47.78

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

/*
 * 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 "mndCompact.h"
#include "audit.h"
#include "mndCompactDetail.h"
#include "mndDb.h"
#include "mndDnode.h"
#include "mndPrivilege.h"
#include "mndShow.h"
#include "mndTrans.h"
#include "mndVgroup.h"
#include "tmisce.h"
#include "tmsgcb.h"

#define MND_COMPACT_VER_NUMBER 1
#define MND_COMPACT_ID_LEN     11

static int32_t mndProcessCompactTimer(SRpcMsg *pReq);

int32_t mndInitCompact(SMnode *pMnode) {
  mndAddShowRetrieveHandle(pMnode, TSDB_MGMT_TABLE_COMPACT, mndRetrieveCompact);
  mndSetMsgHandle(pMnode, TDMT_MND_KILL_COMPACT, mndProcessKillCompactReq);
  mndSetMsgHandle(pMnode, TDMT_VND_QUERY_COMPACT_PROGRESS_RSP, mndProcessQueryCompactRsp);
  mndSetMsgHandle(pMnode, TDMT_MND_COMPACT_TIMER, mndProcessCompactTimer);
  mndSetMsgHandle(pMnode, TDMT_VND_KILL_COMPACT_RSP, mndTransProcessRsp);

  SSdbTable table = {
      .sdbType = SDB_COMPACT,
      .keyType = SDB_KEY_INT32,
      .encodeFp = (SdbEncodeFp)mndCompactActionEncode,
      .decodeFp = (SdbDecodeFp)mndCompactActionDecode,
      .insertFp = (SdbInsertFp)mndCompactActionInsert,
      .updateFp = (SdbUpdateFp)mndCompactActionUpdate,
      .deleteFp = (SdbDeleteFp)mndCompactActionDelete,
  };

  return sdbSetTable(pMnode->pSdb, table);
}

void mndCleanupCompact(SMnode *pMnode) { mDebug("mnd compact cleanup"); }

void tFreeCompactObj(SCompactObj *pCompact) {}

int32_t tSerializeSCompactObj(void *buf, int32_t bufLen, const SCompactObj *pObj) {
  SEncoder encoder = {0};
  int32_t  code = 0;
  int32_t  lino;
  int32_t  tlen;
  tEncoderInit(&encoder, buf, bufLen);

  TAOS_CHECK_EXIT(tStartEncode(&encoder));
  TAOS_CHECK_EXIT(tEncodeI32(&encoder, pObj->compactId));
  TAOS_CHECK_EXIT(tEncodeCStr(&encoder, pObj->dbname));
  TAOS_CHECK_EXIT(tEncodeI64(&encoder, pObj->startTime));

  tEndEncode(&encoder);

_exit:
  if (code) {
    tlen = code;
  } else {
    tlen = encoder.pos;
  }
  tEncoderClear(&encoder);
  return tlen;
}

int32_t tDeserializeSCompactObj(void *buf, int32_t bufLen, SCompactObj *pObj) {
  int32_t  code = 0;
  int32_t  lino;
  SDecoder decoder = {0};
  tDecoderInit(&decoder, buf, bufLen);

  TAOS_CHECK_EXIT(tStartDecode(&decoder));
  TAOS_CHECK_EXIT(tDecodeI32(&decoder, &pObj->compactId));
  TAOS_CHECK_EXIT(tDecodeCStrTo(&decoder, pObj->dbname));
  TAOS_CHECK_EXIT(tDecodeI64(&decoder, &pObj->startTime));

  tEndDecode(&decoder);

_exit:
  tDecoderClear(&decoder);
  return code;
}

SSdbRaw *mndCompactActionEncode(SCompactObj *pCompact) {
  int32_t code = 0;
  int32_t lino = 0;
  terrno = TSDB_CODE_SUCCESS;

  void    *buf = NULL;
  SSdbRaw *pRaw = NULL;

  int32_t tlen = tSerializeSCompactObj(NULL, 0, pCompact);
  if (tlen < 0) {
    terrno = TSDB_CODE_OUT_OF_MEMORY;
    goto OVER;
  }

  int32_t size = sizeof(int32_t) + tlen;
  pRaw = sdbAllocRaw(SDB_COMPACT, MND_COMPACT_VER_NUMBER, size);
  if (pRaw == NULL) {
    terrno = TSDB_CODE_OUT_OF_MEMORY;
    goto OVER;
  }

  buf = taosMemoryMalloc(tlen);
  if (buf == NULL) {
    terrno = TSDB_CODE_OUT_OF_MEMORY;
    goto OVER;
  }

  tlen = tSerializeSCompactObj(buf, tlen, pCompact);
  if (tlen < 0) {
    terrno = TSDB_CODE_OUT_OF_MEMORY;
    goto OVER;
  }

  int32_t dataPos = 0;
  SDB_SET_INT32(pRaw, dataPos, tlen, OVER);
  SDB_SET_BINARY(pRaw, dataPos, buf, tlen, OVER);
  SDB_SET_DATALEN(pRaw, dataPos, OVER);

OVER:
  taosMemoryFreeClear(buf);
  if (terrno != TSDB_CODE_SUCCESS) {
    mError("compact:%" PRId32 ", failed to encode to raw:%p since %s", pCompact->compactId, pRaw, terrstr());
    sdbFreeRaw(pRaw);
    return NULL;
  }

  mTrace("compact:%" PRId32 ", encode to raw:%p, row:%p", pCompact->compactId, pRaw, pCompact);
  return pRaw;
}

SSdbRow *mndCompactActionDecode(SSdbRaw *pRaw) {
  int32_t      code = 0;
  int32_t      lino = 0;
  SSdbRow     *pRow = NULL;
  SCompactObj *pCompact = NULL;
  void        *buf = NULL;
  terrno = TSDB_CODE_SUCCESS;

  int8_t sver = 0;
  if (sdbGetRawSoftVer(pRaw, &sver) != 0) {
    goto OVER;
  }

  if (sver != MND_COMPACT_VER_NUMBER) {
    terrno = TSDB_CODE_SDB_INVALID_DATA_VER;
    mError("compact read invalid ver, data ver: %d, curr ver: %d", sver, MND_COMPACT_VER_NUMBER);
    goto OVER;
  }

  pRow = sdbAllocRow(sizeof(SCompactObj));
  if (pRow == NULL) {
    terrno = TSDB_CODE_OUT_OF_MEMORY;
    goto OVER;
  }

  pCompact = sdbGetRowObj(pRow);
  if (pCompact == NULL) {
    terrno = TSDB_CODE_OUT_OF_MEMORY;
    goto OVER;
  }

  int32_t tlen;
  int32_t dataPos = 0;
  SDB_GET_INT32(pRaw, dataPos, &tlen, OVER);
  buf = taosMemoryMalloc(tlen + 1);
  if (buf == NULL) {
    terrno = TSDB_CODE_OUT_OF_MEMORY;
    goto OVER;
  }
  SDB_GET_BINARY(pRaw, dataPos, buf, tlen, OVER);

  if ((terrno = tDeserializeSCompactObj(buf, tlen, pCompact)) < 0) {
    goto OVER;
  }

OVER:
  taosMemoryFreeClear(buf);
  if (terrno != TSDB_CODE_SUCCESS) {
    mError("compact:%" PRId32 ", failed to decode from raw:%p since %s", pCompact->compactId, pRaw, terrstr());
    taosMemoryFreeClear(pRow);
    return NULL;
  }

  mTrace("compact:%" PRId32 ", decode from raw:%p, row:%p", pCompact->compactId, pRaw, pCompact);
  return pRow;
}

int32_t mndCompactActionInsert(SSdb *pSdb, SCompactObj *pCompact) {
  mTrace("compact:%" PRId32 ", perform insert action", pCompact->compactId);
  return 0;
}

int32_t mndCompactActionDelete(SSdb *pSdb, SCompactObj *pCompact) {
  mTrace("compact:%" PRId32 ", perform insert action", pCompact->compactId);
  tFreeCompactObj(pCompact);
  return 0;
}

int32_t mndCompactActionUpdate(SSdb *pSdb, SCompactObj *pOldCompact, SCompactObj *pNewCompact) {
  mTrace("compact:%" PRId32 ", perform update action, old row:%p new row:%p", pOldCompact->compactId, pOldCompact,
         pNewCompact);

  return 0;
}

SCompactObj *mndAcquireCompact(SMnode *pMnode, int64_t compactId) {
  SSdb        *pSdb = pMnode->pSdb;
  SCompactObj *pCompact = sdbAcquire(pSdb, SDB_COMPACT, &compactId);
  if (pCompact == NULL && terrno == TSDB_CODE_SDB_OBJ_NOT_THERE) {
    terrno = TSDB_CODE_SUCCESS;
  }
  return pCompact;
}

void mndReleaseCompact(SMnode *pMnode, SCompactObj *pCompact) {
  SSdb *pSdb = pMnode->pSdb;
  sdbRelease(pSdb, pCompact);
  pCompact = NULL;
}

int32_t mndCompactGetDbName(SMnode *pMnode, int32_t compactId, char *dbname, int32_t len) {
  int32_t      code = 0;
  SCompactObj *pCompact = mndAcquireCompact(pMnode, compactId);
  if (pCompact == NULL) {
    code = TSDB_CODE_MND_RETURN_VALUE_NULL;
    if (terrno != 0) code = terrno;
    TAOS_RETURN(code);
  }

  (void)strncpy(dbname, pCompact->dbname, len);
  mndReleaseCompact(pMnode, pCompact);
  TAOS_RETURN(code);
}

// compact db
int32_t mndAddCompactToTran(SMnode *pMnode, STrans *pTrans, SCompactObj *pCompact, SDbObj *pDb, SCompactDbRsp *rsp) {
  int32_t code = 0;
  pCompact->compactId = tGenIdPI32();

  (void)strcpy(pCompact->dbname, pDb->name);

  pCompact->startTime = taosGetTimestampMs();

  SSdbRaw *pVgRaw = mndCompactActionEncode(pCompact);
  if (pVgRaw == NULL) {
    code = TSDB_CODE_SDB_OBJ_NOT_THERE;
    if (terrno != 0) code = terrno;
    TAOS_RETURN(code);
  }
  if ((code = mndTransAppendPrepareLog(pTrans, pVgRaw)) != 0) {
    sdbFreeRaw(pVgRaw);
    TAOS_RETURN(code);
  }

  if ((code = sdbSetRawStatus(pVgRaw, SDB_STATUS_READY)) != 0) {
    sdbFreeRaw(pVgRaw);
    TAOS_RETURN(code);
  }

  rsp->compactId = pCompact->compactId;

  return 0;
}

// retrieve compact
int32_t mndRetrieveCompact(SRpcMsg *pReq, SShowObj *pShow, SSDataBlock *pBlock, int32_t rows) {
  SMnode      *pMnode = pReq->info.node;
  SSdb        *pSdb = pMnode->pSdb;
  int32_t      numOfRows = 0;
  SCompactObj *pCompact = NULL;
  char        *sep = NULL;
  SDbObj      *pDb = NULL;
  int32_t      code = 0;
  int32_t      lino = 0;

  if (strlen(pShow->db) > 0) {
    sep = strchr(pShow->db, '.');
    if (sep &&
        ((0 == strcmp(sep + 1, TSDB_INFORMATION_SCHEMA_DB) || (0 == strcmp(sep + 1, TSDB_PERFORMANCE_SCHEMA_DB))))) {
      sep++;
    } else {
      pDb = mndAcquireDb(pMnode, pShow->db);
      if (pDb == NULL) return terrno;
    }
  }

  while (numOfRows < rows) {
    pShow->pIter = sdbFetch(pSdb, SDB_COMPACT, pShow->pIter, (void **)&pCompact);
    if (pShow->pIter == NULL) break;

    SColumnInfoData *pColInfo;
    SName            n;
    int32_t          cols = 0;

    char tmpBuf[TSDB_SHOW_SQL_LEN + VARSTR_HEADER_SIZE] = {0};

    pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
    RETRIEVE_CHECK_GOTO(colDataSetVal(pColInfo, numOfRows, (const char *)&pCompact->compactId, false), pCompact, &lino,
                        _OVER);

    pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
    if (pDb != NULL || !IS_SYS_DBNAME(pCompact->dbname)) {
      SName name = {0};
      TAOS_CHECK_GOTO(tNameFromString(&name, pCompact->dbname, T_NAME_ACCT | T_NAME_DB), &lino, _OVER);
      (void)tNameGetDbName(&name, varDataVal(tmpBuf));
    } else {
      (void)strncpy(varDataVal(tmpBuf), pCompact->dbname, TSDB_SHOW_SQL_LEN);
    }
    varDataSetLen(tmpBuf, strlen(varDataVal(tmpBuf)));
    RETRIEVE_CHECK_GOTO(colDataSetVal(pColInfo, numOfRows, (const char *)tmpBuf, false), pCompact, &lino, _OVER);

    pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
    RETRIEVE_CHECK_GOTO(colDataSetVal(pColInfo, numOfRows, (const char *)&pCompact->startTime, false), pCompact, &lino,
                        _OVER);

    numOfRows++;
    sdbRelease(pSdb, pCompact);
  }

_OVER:
  if (code != 0) mError("failed to retrieve at line:%d, since %s", lino, tstrerror(code));
  pShow->numOfRows += numOfRows;
  mndReleaseDb(pMnode, pDb);
  return numOfRows;
}

// kill compact
static void *mndBuildKillCompactReq(SMnode *pMnode, SVgObj *pVgroup, int32_t *pContLen, int32_t compactId,
                                    int32_t dnodeid) {
  SVKillCompactReq req = {0};
  req.compactId = compactId;
  req.vgId = pVgroup->vgId;
  req.dnodeId = dnodeid;

  mInfo("vgId:%d, build compact vnode config req", pVgroup->vgId);
  int32_t contLen = tSerializeSVKillCompactReq(NULL, 0, &req);
  if (contLen < 0) {
    terrno = TSDB_CODE_OUT_OF_MEMORY;
    return NULL;
  }
  contLen += sizeof(SMsgHead);

  void *pReq = taosMemoryMalloc(contLen);
  if (pReq == NULL) {
    terrno = TSDB_CODE_OUT_OF_MEMORY;
    return NULL;
  }

  SMsgHead *pHead = pReq;
  pHead->contLen = htonl(contLen);
  pHead->vgId = htonl(pVgroup->vgId);

  if ((contLen = tSerializeSVKillCompactReq((char *)pReq + sizeof(SMsgHead), contLen, &req)) < 0) {
    terrno = contLen;
    return NULL;
  }
  *pContLen = contLen;
  return pReq;
}

static int32_t mndAddKillCompactAction(SMnode *pMnode, STrans *pTrans, SVgObj *pVgroup, int32_t compactId,
                                       int32_t dnodeid) {
  int32_t      code = 0;
  STransAction action = {0};

  SDnodeObj *pDnode = mndAcquireDnode(pMnode, dnodeid);
  if (pDnode == NULL) {
    code = TSDB_CODE_SDB_OBJ_NOT_THERE;
    if (terrno != 0) code = terrno;
    TAOS_RETURN(code);
  }
  action.epSet = mndGetDnodeEpset(pDnode);
  mndReleaseDnode(pMnode, pDnode);

  int32_t contLen = 0;
  void   *pReq = mndBuildKillCompactReq(pMnode, pVgroup, &contLen, compactId, dnodeid);
  if (pReq == NULL) {
    code = TSDB_CODE_SDB_OBJ_NOT_THERE;
    if (terrno != 0) code = terrno;
    TAOS_RETURN(code);
  }

  action.pCont = pReq;
  action.contLen = contLen;
  action.msgType = TDMT_VND_KILL_COMPACT;

  if ((code = mndTransAppendRedoAction(pTrans, &action)) != 0) {
    taosMemoryFree(pReq);
    TAOS_RETURN(code);
  }

  return 0;
}

static int32_t mndKillCompact(SMnode *pMnode, SRpcMsg *pReq, SCompactObj *pCompact) {
  int32_t code = 0;
  STrans *pTrans = mndTransCreate(pMnode, TRN_POLICY_ROLLBACK, TRN_CONFLICT_DB, pReq, "kill-compact");
  if (pTrans == NULL) {
    mError("compact:%" PRId32 ", failed to drop since %s", pCompact->compactId, terrstr());
    code = TSDB_CODE_MND_RETURN_VALUE_NULL;
    if (terrno != 0) code = terrno;
    TAOS_RETURN(code);
  }
  mInfo("trans:%d, used to kill compact:%" PRId32, pTrans->id, pCompact->compactId);

  mndTransSetDbName(pTrans, pCompact->dbname, NULL);

  SSdbRaw *pCommitRaw = mndCompactActionEncode(pCompact);
  if (pCommitRaw == NULL) {
    code = TSDB_CODE_MND_RETURN_VALUE_NULL;
    if (terrno != 0) code = terrno;
    mndTransDrop(pTrans);
    TAOS_RETURN(code);
  }
  if ((code = mndTransAppendCommitlog(pTrans, pCommitRaw)) != 0) {
    mError("trans:%d, failed to append commit log since %s", pTrans->id, terrstr());
    mndTransDrop(pTrans);
    TAOS_RETURN(code);
  }
  if ((code = sdbSetRawStatus(pCommitRaw, SDB_STATUS_READY)) != 0) {
    mndTransDrop(pTrans);
    TAOS_RETURN(code);
  }

  void *pIter = NULL;
  while (1) {
    SCompactDetailObj *pDetail = NULL;
    pIter = sdbFetch(pMnode->pSdb, SDB_COMPACT_DETAIL, pIter, (void **)&pDetail);
    if (pIter == NULL) break;

    if (pDetail->compactId == pCompact->compactId) {
      SVgObj *pVgroup = mndAcquireVgroup(pMnode, pDetail->vgId);
      if (pVgroup == NULL) {
        mError("trans:%d, failed to append redo action since %s", pTrans->id, terrstr());
        sdbCancelFetch(pMnode->pSdb, pIter);
        sdbRelease(pMnode->pSdb, pDetail);
        mndTransDrop(pTrans);
        code = TSDB_CODE_MND_RETURN_VALUE_NULL;
        if (terrno != 0) code = terrno;
        TAOS_RETURN(code);
      }

      if ((code = mndAddKillCompactAction(pMnode, pTrans, pVgroup, pCompact->compactId, pDetail->dnodeId)) != 0) {
        mError("trans:%d, failed to append redo action since %s", pTrans->id, terrstr());
        sdbCancelFetch(pMnode->pSdb, pIter);
        sdbRelease(pMnode->pSdb, pDetail);
        mndTransDrop(pTrans);
        TAOS_RETURN(code);
      }

      mndReleaseVgroup(pMnode, pVgroup);

      /*
      SSdbRaw *pCommitRaw = mndCompactDetailActionEncode(pDetail);
      if (pCommitRaw == NULL || mndTransAppendCommitlog(pTrans, pCommitRaw) != 0) {
        mError("trans:%d, failed to append commit log since %s", pTrans->id, terrstr());
        mndTransDrop(pTrans);
        return -1;
      }
      sdbSetRawStatus(pCommitRaw, SDB_STATUS_DROPPED);
      */
    }

    sdbRelease(pMnode->pSdb, pDetail);
  }

  if ((code = mndTransPrepare(pMnode, pTrans)) != 0) {
    mError("trans:%d, failed to prepare since %s", pTrans->id, terrstr());
    mndTransDrop(pTrans);
    TAOS_RETURN(code);
  }

  mndTransDrop(pTrans);
  return 0;
}

int32_t mndProcessKillCompactReq(SRpcMsg *pReq) {
  int32_t         code = 0;
  int32_t         lino = 0;
  SKillCompactReq killCompactReq = {0};

  if ((code = tDeserializeSKillCompactReq(pReq->pCont, pReq->contLen, &killCompactReq)) != 0) {
    TAOS_RETURN(code);
  }

  mInfo("start to kill compact:%" PRId32, killCompactReq.compactId);

  SMnode      *pMnode = pReq->info.node;
  SCompactObj *pCompact = mndAcquireCompact(pMnode, killCompactReq.compactId);
  if (pCompact == NULL) {
    code = TSDB_CODE_MND_INVALID_COMPACT_ID;
    tFreeSKillCompactReq(&killCompactReq);
    TAOS_RETURN(code);
  }

  TAOS_CHECK_GOTO(mndCheckOperPrivilege(pMnode, pReq->info.conn.user, MND_OPER_COMPACT_DB), &lino, _OVER);

  TAOS_CHECK_GOTO(mndKillCompact(pMnode, pReq, pCompact), &lino, _OVER);

  code = TSDB_CODE_ACTION_IN_PROGRESS;

  char obj[TSDB_INT32_ID_LEN] = {0};
  (void)sprintf(obj, "%d", pCompact->compactId);

  auditRecord(pReq, pMnode->clusterId, "killCompact", pCompact->dbname, obj, killCompactReq.sql, killCompactReq.sqlLen);

_OVER:
  if (code != 0 && code != TSDB_CODE_ACTION_IN_PROGRESS) {
    mError("failed to kill compact %" PRId32 " since %s", killCompactReq.compactId, terrstr());
  }

  tFreeSKillCompactReq(&killCompactReq);
  mndReleaseCompact(pMnode, pCompact);

  TAOS_RETURN(code);
}

// update progress
static int32_t mndUpdateCompactProgress(SMnode *pMnode, SRpcMsg *pReq, int32_t compactId,
                                        SQueryCompactProgressRsp *rsp) {
  int32_t code = 0;

  void *pIter = NULL;
  while (1) {
    SCompactDetailObj *pDetail = NULL;
    pIter = sdbFetch(pMnode->pSdb, SDB_COMPACT_DETAIL, pIter, (void **)&pDetail);
    if (pIter == NULL) break;

    if (pDetail->compactId == compactId && pDetail->vgId == rsp->vgId && pDetail->dnodeId == rsp->dnodeId) {
      pDetail->newNumberFileset = rsp->numberFileset;
      pDetail->newFinished = rsp->finished;

      sdbCancelFetch(pMnode->pSdb, pIter);
      sdbRelease(pMnode->pSdb, pDetail);

      TAOS_RETURN(code);
    }

    sdbRelease(pMnode->pSdb, pDetail);
  }

  return TSDB_CODE_MND_COMPACT_DETAIL_NOT_EXIST;
}

int32_t mndProcessQueryCompactRsp(SRpcMsg *pReq) {
  int32_t                  code = 0;
  SQueryCompactProgressRsp req = {0};
  if (pReq->code != 0) {
    mError("received wrong compact response, req code is %s", tstrerror(pReq->code));
    TAOS_RETURN(pReq->code);
  }
  code = tDeserializeSQueryCompactProgressRsp(pReq->pCont, pReq->contLen, &req);
  if (code != 0) {
    mError("failed to deserialize vnode-query-compact-progress-rsp, ret:%d, pCont:%p, len:%d", code, pReq->pCont,
           pReq->contLen);
    TAOS_RETURN(code);
  }

  mDebug("compact:%d, receive query response, vgId:%d, dnodeId:%d, numberFileset:%d, finished:%d", req.compactId,
         req.vgId, req.dnodeId, req.numberFileset, req.finished);

  SMnode *pMnode = pReq->info.node;

  code = mndUpdateCompactProgress(pMnode, pReq, req.compactId, &req);
  if (code != 0) {
    mError("compact:%d, failed to update progress, vgId:%d, dnodeId:%d, numberFileset:%d, finished:%d", req.compactId,
           req.vgId, req.dnodeId, req.numberFileset, req.finished);
    TAOS_RETURN(code);
  }

  TAOS_RETURN(code);
}

// timer
void mndCompactSendProgressReq(SMnode *pMnode, SCompactObj *pCompact) {
  void *pIter = NULL;

  while (1) {
    SCompactDetailObj *pDetail = NULL;
    pIter = sdbFetch(pMnode->pSdb, SDB_COMPACT_DETAIL, pIter, (void **)&pDetail);
    if (pIter == NULL) break;

    if (pDetail->compactId == pCompact->compactId) {
      SEpSet epSet = {0};

      SDnodeObj *pDnode = mndAcquireDnode(pMnode, pDetail->dnodeId);
      if (pDnode == NULL) break;
      if (addEpIntoEpSet(&epSet, pDnode->fqdn, pDnode->port) != 0) {
        sdbRelease(pMnode->pSdb, pDetail);
        continue;
      }
      mndReleaseDnode(pMnode, pDnode);

      SQueryCompactProgressReq req;
      req.compactId = pDetail->compactId;
      req.vgId = pDetail->vgId;
      req.dnodeId = pDetail->dnodeId;

      int32_t contLen = tSerializeSQueryCompactProgressReq(NULL, 0, &req);
      if (contLen < 0) {
        sdbRelease(pMnode->pSdb, pDetail);
        continue;
      }

      contLen += sizeof(SMsgHead);

      SMsgHead *pHead = rpcMallocCont(contLen);
      if (pHead == NULL) {
        sdbRelease(pMnode->pSdb, pDetail);
        continue;
      }

      pHead->contLen = htonl(contLen);
      pHead->vgId = htonl(pDetail->vgId);

      if (tSerializeSQueryCompactProgressReq((char *)pHead + sizeof(SMsgHead), contLen - sizeof(SMsgHead), &req) <= 0) {
        sdbRelease(pMnode->pSdb, pDetail);
        continue;
      }

      SRpcMsg rpcMsg = {.msgType = TDMT_VND_QUERY_COMPACT_PROGRESS, .contLen = contLen};

      rpcMsg.pCont = pHead;

      char    detail[1024] = {0};
      int32_t len = tsnprintf(detail, sizeof(detail), "msgType:%s numOfEps:%d inUse:%d",
                             TMSG_INFO(TDMT_VND_QUERY_COMPACT_PROGRESS), epSet.numOfEps, epSet.inUse);
      for (int32_t i = 0; i < epSet.numOfEps; ++i) {
        len += tsnprintf(detail + len, sizeof(detail) - len, " ep:%d-%s:%u", i, epSet.eps[i].fqdn, epSet.eps[i].port);
      }

      mDebug("compact:%d, send update progress msg to %s", pDetail->compactId, detail);

      if (tmsgSendReq(&epSet, &rpcMsg) < 0) {
        sdbRelease(pMnode->pSdb, pDetail);
        continue;
      }
    }

    sdbRelease(pMnode->pSdb, pDetail);
  }
}

static int32_t mndSaveCompactProgress(SMnode *pMnode, int32_t compactId) {
  int32_t code = 0;
  bool    needSave = false;
  void   *pIter = NULL;
  while (1) {
    SCompactDetailObj *pDetail = NULL;
    pIter = sdbFetch(pMnode->pSdb, SDB_COMPACT_DETAIL, pIter, (void **)&pDetail);
    if (pIter == NULL) break;

    if (pDetail->compactId == compactId) {
      mDebug(
          "compact:%d, check save progress, vgId:%d, dnodeId:%d, numberFileset:%d, finished:%d, "
          "newNumberFileset:%d, newFinished:%d",
          pDetail->compactId, pDetail->vgId, pDetail->dnodeId, pDetail->numberFileset, pDetail->finished,
          pDetail->newNumberFileset, pDetail->newFinished);

      // these 2 number will jump back after dnode restart, so < is not used here
      if (pDetail->numberFileset != pDetail->newNumberFileset || pDetail->finished != pDetail->newFinished)
        needSave = true;
    }

    sdbRelease(pMnode->pSdb, pDetail);
  }

  char dbname[TSDB_TABLE_FNAME_LEN] = {0};
  TAOS_CHECK_RETURN(mndCompactGetDbName(pMnode, compactId, dbname, TSDB_TABLE_FNAME_LEN));

  if (!mndDbIsExist(pMnode, dbname)) {
    needSave = true;
    mWarn("compact:%" PRId32 ", no db exist, set needSave:%s", compactId, dbname);
  }

  if (!needSave) {
    mDebug("compact:%" PRId32 ", no need to save", compactId);
    TAOS_RETURN(code);
  }

  STrans *pTrans = mndTransCreate(pMnode, TRN_POLICY_ROLLBACK, TRN_CONFLICT_DB, NULL, "update-compact-progress");
  if (pTrans == NULL) {
    mError("trans:%" PRId32 ", failed to create since %s", pTrans->id, terrstr());
    code = TSDB_CODE_MND_RETURN_VALUE_NULL;
    if (terrno != 0) code = terrno;
    TAOS_RETURN(code);
  }
  mInfo("compact:%d, trans:%d, used to update compact progress.", compactId, pTrans->id);

  mndTransSetDbName(pTrans, dbname, NULL);

  pIter = NULL;
  while (1) {
    SCompactDetailObj *pDetail = NULL;
    pIter = sdbFetch(pMnode->pSdb, SDB_COMPACT_DETAIL, pIter, (void **)&pDetail);
    if (pIter == NULL) break;

    if (pDetail->compactId == compactId) {
      mInfo(
          "compact:%d, trans:%d, check compact progress, vgId:%d, dnodeId:%d, numberFileset:%d, finished:%d, "
          "newNumberFileset:%d, newFinished:%d",
          pDetail->compactId, pTrans->id, pDetail->vgId, pDetail->dnodeId, pDetail->numberFileset, pDetail->finished,
          pDetail->newNumberFileset, pDetail->newFinished);

      pDetail->numberFileset = pDetail->newNumberFileset;
      pDetail->finished = pDetail->newFinished;

      SSdbRaw *pCommitRaw = mndCompactDetailActionEncode(pDetail);
      if (pCommitRaw == NULL) {
        sdbCancelFetch(pMnode->pSdb, pIter);
        sdbRelease(pMnode->pSdb, pDetail);
        mndTransDrop(pTrans);
        code = TSDB_CODE_MND_RETURN_VALUE_NULL;
        if (terrno != 0) code = terrno;
        TAOS_RETURN(code);
      }
      if ((code = mndTransAppendCommitlog(pTrans, pCommitRaw)) != 0) {
        mError("compact:%d, trans:%d, failed to append commit log since %s", pDetail->compactId, pTrans->id, terrstr());
        sdbCancelFetch(pMnode->pSdb, pIter);
        sdbRelease(pMnode->pSdb, pDetail);
        mndTransDrop(pTrans);
        TAOS_RETURN(code);
      }
      if ((code = sdbSetRawStatus(pCommitRaw, SDB_STATUS_READY)) != 0) {
        sdbCancelFetch(pMnode->pSdb, pIter);
        sdbRelease(pMnode->pSdb, pDetail);
        mndTransDrop(pTrans);
        TAOS_RETURN(code);
      }
    }

    sdbRelease(pMnode->pSdb, pDetail);
  }

  bool allFinished = true;
  pIter = NULL;
  while (1) {
    SCompactDetailObj *pDetail = NULL;
    pIter = sdbFetch(pMnode->pSdb, SDB_COMPACT_DETAIL, pIter, (void **)&pDetail);
    if (pIter == NULL) break;

    if (pDetail->compactId == compactId) {
      mInfo("compact:%d, trans:%d, check compact finished, vgId:%d, dnodeId:%d, numberFileset:%d, finished:%d",
            pDetail->compactId, pTrans->id, pDetail->vgId, pDetail->dnodeId, pDetail->numberFileset, pDetail->finished);

      if (pDetail->numberFileset == -1 && pDetail->finished == -1) {
        allFinished = false;
        sdbCancelFetch(pMnode->pSdb, pIter);
        sdbRelease(pMnode->pSdb, pDetail);
        break;
      }
      if (pDetail->numberFileset != -1 && pDetail->finished != -1 && pDetail->numberFileset != pDetail->finished) {
        allFinished = false;
        sdbCancelFetch(pMnode->pSdb, pIter);
        sdbRelease(pMnode->pSdb, pDetail);
        break;
      }
    }

    sdbRelease(pMnode->pSdb, pDetail);
  }

  if (!mndDbIsExist(pMnode, dbname)) {
    allFinished = true;
    mWarn("compact:%" PRId32 ", no db exist, set all finished:%s", compactId, dbname);
  }

  if (allFinished) {
    mInfo("compact:%d, all finished", compactId);
    pIter = NULL;
    while (1) {
      SCompactDetailObj *pDetail = NULL;
      pIter = sdbFetch(pMnode->pSdb, SDB_COMPACT_DETAIL, pIter, (void **)&pDetail);
      if (pIter == NULL) break;

      if (pDetail->compactId == compactId) {
        SSdbRaw *pCommitRaw = mndCompactDetailActionEncode(pDetail);
        if (pCommitRaw == NULL) {
          mndTransDrop(pTrans);
          code = TSDB_CODE_MND_RETURN_VALUE_NULL;
          if (terrno != 0) code = terrno;
          TAOS_RETURN(code);
        }
        if ((code = mndTransAppendCommitlog(pTrans, pCommitRaw)) != 0) {
          mError("compact:%d, trans:%d, failed to append commit log since %s", pDetail->compactId, pTrans->id,
                 terrstr());
          sdbCancelFetch(pMnode->pSdb, pIter);
          sdbRelease(pMnode->pSdb, pDetail);
          mndTransDrop(pTrans);
          TAOS_RETURN(code);
        }
        if ((code = sdbSetRawStatus(pCommitRaw, SDB_STATUS_DROPPED)) != 0) {
          sdbCancelFetch(pMnode->pSdb, pIter);
          sdbRelease(pMnode->pSdb, pDetail);
          mndTransDrop(pTrans);
          TAOS_RETURN(code);
        }
        mInfo("compact:%d, add drop compactdetail action", pDetail->compactDetailId);
      }

      sdbRelease(pMnode->pSdb, pDetail);
    }

    SCompactObj *pCompact = mndAcquireCompact(pMnode, compactId);
    if (pCompact == NULL) {
      mndTransDrop(pTrans);
      code = TSDB_CODE_MND_RETURN_VALUE_NULL;
      if (terrno != 0) code = terrno;
      TAOS_RETURN(code);
    }
    SSdbRaw *pCommitRaw = mndCompactActionEncode(pCompact);
    mndReleaseCompact(pMnode, pCompact);
    if (pCommitRaw == NULL) {
      mndTransDrop(pTrans);
      code = TSDB_CODE_MND_RETURN_VALUE_NULL;
      if (terrno != 0) code = terrno;
      TAOS_RETURN(code);
    }
    if ((code = mndTransAppendCommitlog(pTrans, pCommitRaw)) != 0) {
      mError("compact:%d, trans:%d, failed to append commit log since %s", compactId, pTrans->id, terrstr());
      mndTransDrop(pTrans);
      TAOS_RETURN(code);
    }
    if ((code = sdbSetRawStatus(pCommitRaw, SDB_STATUS_DROPPED)) != 0) {
      mError("compact:%d, trans:%d, failed to append commit log since %s", compactId, pTrans->id, terrstr());
      mndTransDrop(pTrans);
      TAOS_RETURN(code);
    }
    mInfo("compact:%d, add drop compact action", pCompact->compactId);
  }

  if ((code = mndTransPrepare(pMnode, pTrans)) != 0) {
    mError("compact:%d, trans:%d, failed to prepare since %s", compactId, pTrans->id, terrstr());
    mndTransDrop(pTrans);
    TAOS_RETURN(code);
  }

  mndTransDrop(pTrans);
  return 0;
}

void mndCompactPullup(SMnode *pMnode) {
  int32_t code = 0;
  SSdb   *pSdb = pMnode->pSdb;
  SArray *pArray = taosArrayInit(sdbGetSize(pSdb, SDB_COMPACT), sizeof(int32_t));
  if (pArray == NULL) return;

  void *pIter = NULL;
  while (1) {
    SCompactObj *pCompact = NULL;
    pIter = sdbFetch(pMnode->pSdb, SDB_COMPACT, pIter, (void **)&pCompact);
    if (pIter == NULL) break;
    if (taosArrayPush(pArray, &pCompact->compactId) == NULL) {
      mError("failed to push compact id:%d into array, but continue pull up", pCompact->compactId);
    }
    sdbRelease(pSdb, pCompact);
  }

  for (int32_t i = 0; i < taosArrayGetSize(pArray); ++i) {
    mInfo("begin to pull up");
    int32_t     *pCompactId = taosArrayGet(pArray, i);
    SCompactObj *pCompact = mndAcquireCompact(pMnode, *pCompactId);
    if (pCompact != NULL) {
      mInfo("compact:%d, begin to pull up", pCompact->compactId);
      mndCompactSendProgressReq(pMnode, pCompact);
      if ((code = mndSaveCompactProgress(pMnode, pCompact->compactId)) != 0) {
        mError("compact:%d, failed to save compact progress since %s", pCompact->compactId, tstrerror(code));
      }
      mndReleaseCompact(pMnode, pCompact);
    }
  }
  taosArrayDestroy(pArray);
}

static int32_t mndProcessCompactTimer(SRpcMsg *pReq) {
  mTrace("start to process compact timer");
  mndCompactPullup(pReq->info.node);
  return 0;
}

taosdata / TDengine / #3541

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