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taosdata / TDengine / #3653

14 Mar 2025 08:10AM UTC coverage: 22.565% (-41.0%) from 63.596%
#3653

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feat(keep): support keep on super table level. (#30097)

* Feat: support use keep while create super table.

* Test(keep): add test for create super table with keep option.

* Feat(keep): Add tmsg for create keep.

* Feat(keep): support alter table option keep.

* Fix(keep): Add baisc test for alter table option.

* Fix(keep): memory leek.

* Feat(keep): add keep to metaEntry&metaCache and fix earliestTs with stn keep.

* Test(keep): add some cases for select with stb keep.

* Fix: fix ci core while alter stb.

* Feat(keep): delete expired data in super table level.

* Feat: remove get stb keep while query.

* Fix : build error.

* Revert "Fix : build error."

This reverts commit 0ed66e4e8.

* Revert "Feat(keep): delete expired data in super table level."

This reverts commit 36330f6b4.

* Fix : build errors.

* Feat : support restart taosd.

* Fix : alter table comment problems.

* Test : add tests for super table keep.

* Fix: change sdb stb reserve size.

* Test: add more tests.

* Feat: Disable normal tables and sub tables from setting the keep parameter

* Fix: add more checks to avoid unknown address.

* Docs: Add docs for stable keep.

* Fix: some review changes.

* Fix: review errors.

49248 of 302527 branches covered (16.28%)

Branch coverage included in aggregate %.

53 of 99 new or added lines in 12 files covered. (53.54%)

155872 existing lines in 443 files now uncovered.

87359 of 302857 relevant lines covered (28.84%)

570004.22 hits per line

Source File
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14.58
/source/libs/sync/src/syncCommit.c
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/*
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 * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
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 *
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 * This program is free software: you can use, redistribute, and/or modify
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 * it under the terms of the GNU Affero General Public License, version 3
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 * or later ("AGPL"), as published by the Free Software Foundation.
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 *
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 * This program is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.
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 *
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 * You should have received a copy of the GNU Affero General Public License
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 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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 */
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#define _DEFAULT_SOURCE
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#include "syncCommit.h"
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#include "syncIndexMgr.h"
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#include "syncRaftLog.h"
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#include "syncRaftStore.h"
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#include "syncUtil.h"
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// \* Leader i advances its commitIndex.
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// \* This is done as a separate step from handling AppendEntries responses,
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// \* in part to minimize atomic regions, and in part so that leaders of
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// \* single-server clusters are able to mark entries committed.
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// AdvanceCommitIndex(i) ==
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//     /\ state[i] = Leader
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//     /\ LET \* The set of servers that agree up through index.
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//            Agree(index) == {i} \cup {k \in Server :
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//                                          matchIndex[i][k] >= index}
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//            \* The maximum indexes for which a quorum agrees
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//            agreeIndexes == {index \in 1..Len(log[i]) :
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//                                 Agree(index) \in Quorum}
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//            \* New value for commitIndex'[i]
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//            newCommitIndex ==
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//               IF /\ agreeIndexes /= {}
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//                  /\ log[i][Max(agreeIndexes)].term = currentTerm[i]
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//               THEN
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//                   Max(agreeIndexes)
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//               ELSE
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//                   commitIndex[i]
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//        IN commitIndex' = [commitIndex EXCEPT ![i] = newCommitIndex]
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//     /\ UNCHANGED <<messages, serverVars, candidateVars, leaderVars, log>>
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//
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static inline int64_t syncNodeAbs64(int64_t a, int64_t b) {
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  int64_t c = a > b ? a - b : b - a;
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  return c;
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}
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UNCOV
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int32_t syncNodeDynamicQuorum(const SSyncNode* pSyncNode) { return pSyncNode->quorum; }
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UNCOV
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bool syncNodeAgreedUpon(SSyncNode* pNode, SyncIndex index) {
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UNCOV
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  int            count = 0;
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UNCOV
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  SSyncIndexMgr* pMatches = pNode->pMatchIndex;
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UNCOV
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  if (pNode->replicaNum != pMatches->replicaNum) {
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    terrno = TSDB_CODE_SYN_INTERNAL_ERROR;
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    return false;
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  };
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UNCOV
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  for (int i = 0; i < pNode->totalReplicaNum; i++) {
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UNCOV
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    if(pNode->raftCfg.cfg.nodeInfo[i].nodeRole == TAOS_SYNC_ROLE_VOTER){
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UNCOV
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      SyncIndex matchIndex = pMatches->index[i];
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UNCOV
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      if (matchIndex >= index) {
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UNCOV
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        count++;
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      }
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    }
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  }
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UNCOV
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  return count >= pNode->quorum;
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}
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int64_t syncNodeUpdateCommitIndex(SSyncNode* ths, SyncIndex commitIndex) {
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  int32_t   code = 0;
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  SyncIndex lastVer = ths->pLogStore->syncLogLastIndex(ths->pLogStore);
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  commitIndex = TMAX(commitIndex, ths->commitIndex);
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  ths->commitIndex = TMIN(commitIndex, lastVer);
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  // TODO add return when error
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  (void)ths->pLogStore->syncLogUpdateCommitIndex(ths->pLogStore, ths->commitIndex);
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  return ths->commitIndex;
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}
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UNCOV
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int64_t syncNodeCheckCommitIndex(SSyncNode* ths, SyncIndex indexLikely) {
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UNCOV
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  int32_t code = 0;
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UNCOV
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  if (indexLikely > ths->commitIndex && syncNodeAgreedUpon(ths, indexLikely)) {
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UNCOV
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    SyncIndex commitIndex = indexLikely;
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UNCOV
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    SyncIndex returnIndex = syncNodeUpdateCommitIndex(ths, commitIndex);
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UNCOV
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    sTrace("vgId:%d, agreed upon. role:%d, term:%" PRId64 ", index:%" PRId64 ", return:%" PRId64, ths->vgId, ths->state,
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           raftStoreGetTerm(ths), commitIndex, returnIndex);
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  }
UNCOV
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  return ths->commitIndex;
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}
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int64_t syncNodeUpdateAssignedCommitIndex(SSyncNode* ths, SyncIndex assignedCommitIndex) {
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  int32_t   code = 0;
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  SyncIndex lastVer = ths->pLogStore->syncLogLastIndex(ths->pLogStore);
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  assignedCommitIndex = TMAX(assignedCommitIndex, ths->assignedCommitIndex);
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  ths->assignedCommitIndex = TMIN(assignedCommitIndex, lastVer);
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  // TODO add return when error
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  (void)ths->pLogStore->syncLogUpdateCommitIndex(ths->pLogStore, ths->assignedCommitIndex);
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  return ths->commitIndex;
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}
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