This is an automated email from the ASF dual-hosted git repository.

hui pushed a change to branch QueryMetrics
in repository https://gitbox.apache.org/repos/asf/iotdb.git


    from 5d654bdbbd resolve conflicts
     add 7bc76e6d40 add html auto-rediect for M4 under-review paper temporarily 
(#8252)
     add ca2d255485 add back the M4 doc temporarily (#8273)
     add 8553d9e08d [To rel/1.0] [IOTDB-5047] Fix iotdb.jmx.port missing from 
data-env.sh (#8240)
     add 06bc2c3d9c fix logs in compaction writer (#8262)
     add 41ba0f2896 [To rel/1.0][IOTDB-5093]Fix compaction selector bug (#8267)
     add 4f233bf3b8 [To rel/1.0][IOTDB-4730] Database name check when passed in 
Session (#8266)
     add 4c77331807 set cross_compaction to true and add compaction validation 
(#8268)
     add 701072af05 Revert "[maven-release-plugin] prepare for next development 
iteration"
     add 88db5b214f Revert "[maven-release-plugin] prepare release v1.0.0"
     add 4d0b3af94e [maven-release-plugin] prepare release v1.0.0
     add 7a1415ecec [maven-release-plugin] prepare for next development 
iteration
     add 7522b82520 [To rel/1.0] Enable tests after v1.0.0 released (#8272)
     add c621ca87ed [To rel/1.0] [IOTDB-4414] Modify openId related documents 
and configuration files (#8270)
     add 739bf205f4 [To rel/1.0] fix compaction ci (#8277)
     add 942bedaca8 Revert "[To rel/1.0] Enable tests after v1.0.0 released 
(#8272)"
     add 2cd5b43de1 Revert "[maven-release-plugin] prepare for next development 
iteration"
     add d92e5fd9c1 Revert "[maven-release-plugin] prepare release v1.0.0"
     add 3ed60f37a6 [maven-release-plugin] prepare release v1.0.0
     add 7db3d5654a [maven-release-plugin] prepare for next development 
iteration
     add 539b02732b [To rel/1.0] Enable tests after v1.0.0 released (#8283)
     add d2d1142835 Merge branch 'rel/1.0' of https://github.com/apache/iotdb
     add b411c1ef28 Fix site compile OOM (#8284)
     add f21edc60f1 Add v1.0.x in site navigation bar (#8288)
     add cdf7d6dab2 [To rel/1.0][IOTDB-4730] Add IT for DB name check passed in 
by Session (#8281)
     add 1e3665193f [To rel/1.0] add IT for IoTDBCustomRegionGroupExtension 
(#8264)
     add 84c01ae81c [To rel/1.0] [IOTDB-4433][IOTDB-4497] Add Cluster 
Maintenance doc (#8286)
     add 1484436e2e fix (#8285)
     add 59cc2f2932 [To rel/1.0][IOTDB-5105] Remove least_data_region_group_num 
check when register Non-Seed-ConfigNode (#8289)
     add 7dfd121668 Revert "[To rel/1.0] Enable tests after v1.0.0 released 
(#8283)"
     add 49baf307b7 Revert "[maven-release-plugin] prepare for next development 
iteration"
     add 7e05e78d97 Revert "[maven-release-plugin] prepare release v1.0.0"
     add 50d7863f17 update testcontainer version
     add ea2fdef0c0 [maven-release-plugin] prepare release v1.0.0
     add dc67933e98 [maven-release-plugin] prepare for next development 
iteration
     add bc1e4ea189 Revert "Revert "[To rel/1.0] Enable tests after v1.0.0 
released (#8283)""
     add 77e9071692 Merge branch 'rel/1.0' of https://github.com/apache/iotdb
     add 93e0209fa8 [To rel/1.0] Fix snapshot bug (#8294)
     add 3f1d7d04e8 Revert "[To rel/1.0] Fix snapshot bug (#8294)" (#8295)
     add 8b29938117 Add 1.0.0 download links (#8293)
     add 8e262dc538 [To rel/1.0] Fix snapshot bug (#8296)
     add cf9545b244 [To rel/1.0] add auth link in quick start doc (#8299)
     add f9360c53a6 [To rel/1.0] [IOTDB-5109] Fix the load of role snapshot 
(#8302)
     add ff953d36c3 add more logs for snapshot (#8298)
     add 586c241967 Revert "Revert "Revert "[To rel/1.0] Enable tests after 
v1.0.0 released (#8283)"""
     add a92372d92a Revert "[maven-release-plugin] prepare for next development 
iteration"
     add 0b9275f8dc Revert "[maven-release-plugin] prepare release v1.0.0"
     add fbbca3ffa3 [maven-release-plugin] prepare release v1.0.0
     add 9f3600d165 [maven-release-plugin] prepare for next development 
iteration
     add 774806fce3 update testcontainer version
     add b140acb1a0 Revert "Revert "Revert "Revert "[To rel/1.0] Enable tests 
after v1.0.0 released (#8283)""""
     add 1d06983a94  [To rel/1.0] Update doc on DataRegion using RatisConsensus 
(#8308)
     add 759fcaa8f0 add confignode notice (#8309)
     add ca7f58e16e [To rel/1.0] Add Deploy recommendation in docs (#8306)
     add 8a443e8e70 Merge branch 'rel/1.0' of https://github.com/apache/iotdb
     add 22457f5527 add ratis log doc (#8312)
     add 393a8d673f fix cluster doc (#8314)
     add 36b96fd078 Fix readme of start-server to start-standalone (#8316)
     add 5510c79fbf Fix linux CI (#8310)
     add c4b153d3de [IOTDB-5026] Improve last query on aligned timeseries
     add fe3c779b8c [To rel/1.0] Rename StorageEngineV2 to StorageEngine (#8238)
     add 985b1bb16d [IOTDB-5102] Support Align by deivce in VisitExplain (#8287)
     add aabae384bf [IOTDB-5090] Add npe check in DataNode (#8328)
     add e2e69bb730 Bump maven-bundle-plugin from 5.1.7 to 5.1.8 (#8276)
     add 1d89d1ab60 Rename SeriesSlotId to SeriesSlotNum in show regions (#8326)
     add dc69fee679 [IOTDB-4978] Fix deadLock caused by blocked operation in 
IntoOperator (#8269)
     add 4f0b5751b3 [IOTDB-5066] Upgraded the GetSlots SQLs (#8333)
     add ff5d9c04e9 Update Site,Add 'Edit this page on GitHub' (#8335)
     add ac2ee40cfb [IOTDB-4902]Optimize process logic for aggregation when 
there is only one data region
     add 9a72a2aa20 [IOTDB-5122] forward exception when Ratis request failed 
(#8338)
     add 1384d892e3 Fix RatisConsensus Param errors related to 
LogPurgePreservation (#8340)
     add 9e2dc233f1 Update Page.vue:change editLinkText size to 16px (#8343)
     add 9ae87ffb93 [IOTDB-5123] fix ratis disk control param mismatch (#8339)
     add 11f369181a Add an interface for query engine which storage engine must 
provide (#8345)
     add 64ed75f500 add uts of fast compaction performer (#8346)
     add 58e2d17e5d Update iotdb-doap info and python readme (#8355)
     add 997f2e4ef6 document bug fix about 1.0 version (#8330)
     add d8e4901054 Bump mockito-core from 2.23.0 to 2.23.4 (#8274)
     add d6671b3662 [IOTDB-5120] update doc about operator-function
     new d209479eda Merge remote-tracking branch 'origin/master' into 
QueryMetrics
     new 72020ef96b add io metrics

The 2 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails.  The revisions
listed as "add" were already present in the repository and have only
been added to this reference.


Summary of changes:
 .github/workflows/main-unix.yml                    |    2 +-
 README.md                                          |   16 +-
 README_ZH.md                                       |   14 +-
 .../org/apache/iotdb/db/qp/sql/IoTDBSqlParser.g4   |    5 +-
 .../antlr4/org/apache/iotdb/db/qp/sql/SqlLexer.g4  |    4 +
 client-py/README.md                                |    7 +-
 client-py/requirements_dev.txt                     |    2 +-
 confignode/pom.xml                                 |    2 +-
 .../src/assembly/resources/conf/confignode-env.bat |    2 +
 .../src/assembly/resources/conf/confignode-env.sh  |    2 +-
 .../iotdb/confignode/conf/ConfigNodeConfig.java    |   32 +-
 .../confignode/conf/ConfigNodeDescriptor.java      |   52 +-
 .../request/read/region/GetRegionIdPlan.java       |    2 +-
 .../iotdb/confignode/manager/ConfigManager.java    |    9 +-
 .../iotdb/confignode/manager/ConsensusManager.java |    5 +-
 .../apache/iotdb/confignode/manager/IManager.java  |    4 +-
 .../iotdb/confignode/manager/node/NodeManager.java |    6 +-
 .../manager/partition/PartitionManager.java        |   16 +-
 .../persistence/executor/ConfigPlanExecutor.java   |   14 +-
 .../partition/StorageGroupPartitionTable.java      |    2 +
 .../iotdb/confignode/service/ConfigNode.java       |    4 +
 .../confignode/service/ConfigNodeCommandLine.java  |    3 +-
 .../thrift/ConfigNodeRPCServiceProcessor.java      |   11 +-
 consensus/pom.xml                                  |    2 +-
 .../iotdb/consensus/ratis/RatisConsensus.java      |   11 +-
 .../iotdb/consensus/ratis/RatisConsensusTest.java  |    5 +
 cross-tests/pom.xml                                |    2 +-
 docs/Download/README.md                            |   46 +-
 docs/UserGuide/Cluster/Cluster-Concept.md          |    5 +-
 .../Cluster-Maintenance.md}                        |  274 +--
 docs/UserGuide/Cluster/Cluster-Setup.md            |   13 +-
 .../UserGuide/Cluster/Deployment-Recommendation.md |  181 ++
 docs/UserGuide/Data-Concept/Data-Type.md           |    2 +-
 .../Maintenance-Tools/Maintenance-Command.md       |  383 ----
 .../Operators-Functions/Data-Profiling.md          |    4 +-
 docs/UserGuide/Operators-Functions/String.md       |    4 +-
 .../Operators-Functions/User-Defined-Function.md   |    2 +-
 .../UserGuide/QuickStart/Command-Line-Interface.md |    7 +-
 docs/UserGuide/QuickStart/QuickStart.md            |   15 +-
 docs/UserGuide/Reference/Common-Config-Manual.md   |   23 +-
 .../{Blog/index.md => UserGuide/UDF-Library/M4.md} |    6 +-
 docs/zh/Download/README.md                         |   54 +-
 docs/zh/UserGuide/Cluster/Cluster-Concept.md       |    4 +-
 .../Cluster-Maintenance.md}                        |  223 +--
 docs/zh/UserGuide/Cluster/Cluster-Setup.md         |   13 +-
 .../UserGuide/Cluster/Deployment-Recommendation.md |  179 ++
 docs/zh/UserGuide/Data-Concept/Data-Type.md        |    2 +-
 .../Maintenance-Tools/Maintenance-Command.md       |  363 ----
 .../Operators-Functions/Data-Profiling.md          |    4 +-
 docs/zh/UserGuide/Operators-Functions/Overview.md  |    2 +-
 docs/zh/UserGuide/Operators-Functions/String.md    |    4 +-
 .../Operators-Functions/User-Defined-Function.md   |    2 +-
 .../UserGuide/QuickStart/Command-Line-Interface.md |    4 +-
 docs/zh/UserGuide/QuickStart/QuickStart.md         |   14 +-
 .../zh/UserGuide/Reference/Common-Config-Manual.md |   22 +-
 .../Reference/ConfigNode-Config-Manual.md          |    2 +-
 integration-test/pom.xml                           |  212 +-
 .../java/org/apache/iotdb/it/env/MppConfig.java    |    9 +
 .../org/apache/iotdb/itbase/env/BaseConfig.java    |    8 +
 .../IoTDBCustomRegionGroupExtensionIT.java         |   39 +-
 .../it/partition/IoTDBPartitionGetterIT.java       |    4 +-
 .../it/aggregation/IoTDBAggregationOptimizeIT.java |  181 ++
 .../iotdb/db/it/env/StandaloneEnvConfig.java       |   14 +
 .../iotdb/db/it/selectinto/IoTDBSelectInto2IT.java |    3 +
 .../iotdb/db/it/selectinto/IoTDBSelectInto3IT.java |    3 +
 .../iotdb/db/it/selectinto/IoTDBSelectIntoIT.java  |    5 +
 .../iotdb/session/it/IoTDBSessionSimpleIT.java     |   31 +
 integration/pom.xml                                |   20 +-
 .../db/integration/IoTDBLoadExternalTsfileIT.java  | 1032 ----------
 .../IoTDBLoadExternalTsfileWithVirtualSGIT.java    |  137 --
 .../db/integration/IoTDBNewTsFileCompactionIT.java |   36 +-
 .../db/integration/IoTDBRewriteTsFileToolIT.java   |   59 +-
 .../iotdb/db/integration/IoTDBSnapshotIT.java      |  285 ---
 .../aligned/IoTDBLoadExternalAlignedTsFileIT.java  | 2027 ++++++++++----------
 .../resources/conf/iotdb-common.properties         |   13 +-
 .../assembly/resources/sbin/start-standalone.bat   |    3 +
 .../assembly/resources/sbin/stop-standalone.bat    |    5 +-
 .../commons/auth/role/LocalFileRoleAccessor.java   |   23 +-
 .../apache/iotdb/commons/conf/IoTDBConstant.java   |    8 +-
 .../commons/partition/DataPartitionTable.java      |    6 +-
 .../commons/partition/SchemaPartitionTable.java    |    6 +-
 .../commons/partition/SeriesPartitionTable.java    |   12 +-
 .../org/apache/iotdb/commons/path/AlignedPath.java |   18 +
 .../org/apache/iotdb/commons/path/PartialPath.java |    3 +
 .../iotdb/commons/service/StartupChecks.java       |   44 +-
 pom.xml                                            |    6 +-
 server/pom.xml                                     |    2 +-
 .../src/assembly/resources/conf/datanode-env.bat   |    2 +
 server/src/assembly/resources/conf/datanode-env.sh |    2 +-
 .../java/org/apache/iotdb/db/conf/IoTDBConfig.java |   43 +-
 .../org/apache/iotdb/db/conf/IoTDBDescriptor.java  |   22 +-
 .../db/consensus/DataRegionConsensusImpl.java      |    7 +-
 .../db/consensus/SchemaRegionConsensusImpl.java    |    3 +-
 .../statemachine/DataRegionStateMachine.java       |   16 +-
 .../org/apache/iotdb/db/engine/StorageEngine.java  |  777 +++++++-
 .../apache/iotdb/db/engine/StorageEngineV2.java    |  820 --------
 .../apache/iotdb/db/engine/cache/ChunkCache.java   |    5 +
 .../db/engine/cache/TimeSeriesMetadataCache.java   |    6 +
 .../db/engine/compaction/CompactionUtils.java      |   40 +
 .../compaction/cross/CrossSpaceCompactionTask.java |   12 +
 .../rewrite/CrossSpaceCompactionResource.java      |   13 +-
 .../RewriteCrossSpaceCompactionSelector.java       |    5 +-
 .../compaction/inner/InnerSpaceCompactionTask.java |   11 +
 .../writer/AbstractCompactionWriter.java           |    6 +-
 .../writer/AbstractCrossCompactionWriter.java      |    2 +-
 .../iotdb/db/engine/load/LoadTsFileManager.java    |    2 +-
 .../iotdb/db/engine/snapshot/SnapshotLoader.java   |    4 +-
 .../iotdb/db/engine/snapshot/SnapshotTaker.java    |    8 +-
 .../iotdb/db/engine/storagegroup/DataRegion.java   |  173 +-
 .../db/engine/storagegroup/DataRegionMetrics.java  |    2 +-
 .../storagegroup/IDataRegionForQuery.java}         |   40 +-
 .../engine/storagegroup/TimePartitionManager.java  |    4 +-
 .../db/engine/storagegroup/TsFileProcessor.java    |    4 +-
 .../engine/storagegroup/TsFileProcessorInfo.java   |    2 +-
 .../db/engine/storagegroup/TsFileResourceList.java |    4 +-
 .../db/engine/storagegroup/VirtualDataRegion.java  |   78 +
 .../storagegroup/timeindex/DeviceTimeIndex.java    |    9 +-
 .../storagegroup/timeindex/FileTimeIndex.java      |    6 +-
 .../iotdb/db/localconfignode/LocalConfigNode.java  |    4 +-
 .../db/mpp/aggregation/ExtremeAccumulator.java     |   20 +-
 .../db/mpp/aggregation/FirstValueAccumulator.java  |   28 +-
 .../db/mpp/aggregation/LastValueAccumulator.java   |   27 +-
 .../db/mpp/aggregation/MaxValueAccumulator.java    |   21 +-
 .../db/mpp/aggregation/MinTimeAccumulator.java     |    1 +
 .../db/mpp/aggregation/MinValueAccumulator.java    |   21 +-
 .../iotdb/db/mpp/aggregation/SumAccumulator.java   |    1 +
 .../db/mpp/common/header/ColumnHeaderConstant.java |   12 +-
 .../iotdb/db/mpp/execution/driver/DataDriver.java  |    4 +-
 .../db/mpp/execution/driver/DataDriverContext.java |    8 +-
 .../fragment/FragmentInstanceContext.java          |   22 +-
 .../fragment/FragmentInstanceManager.java          |   21 +-
 .../operator/process/AbstractIntoOperator.java     |  215 ++-
 .../operator/process/DeviceViewIntoOperator.java   |  105 +-
 .../execution/operator/process/IntoOperator.java   |   48 +-
 .../process/join/VerticallyConcatOperator.java     |  207 ++
 ...r.java => AbstractUpdateLastCacheOperator.java} |   74 +-
 .../last/AlignedUpdateLastCacheOperator.java       |   89 +
 .../operator/process/last/LastQueryOperator.java   |    6 +-
 .../process/last/LastQuerySortOperator.java        |   11 +-
 .../operator/process/last/LastQueryUtil.java       |   18 +
 .../process/last/UpdateLastCacheOperator.java      |   84 +-
 .../iotdb/db/mpp/plan/analyze/AnalyzeVisitor.java  |    1 -
 .../plan/analyze/StandalonePartitionFetcher.java   |    4 +-
 .../config/executor/ClusterConfigTaskExecutor.java |   11 +-
 .../config/metadata/GetTimeSlotListTask.java       |    7 +-
 .../memory/StatementMemorySourceVisitor.java       |   10 +-
 .../iotdb/db/mpp/plan/parser/ASTVisitor.java       |   17 +-
 .../db/mpp/plan/parser/StatementGenerator.java     |   16 +-
 .../plan/planner/LocalExecutionPlanContext.java    |    5 +
 .../db/mpp/plan/planner/LocalExecutionPlanner.java |    4 +-
 .../db/mpp/plan/planner/LogicalPlanBuilder.java    |   20 +-
 .../db/mpp/plan/planner/OperatorTreeGenerator.java |  169 +-
 .../db/mpp/plan/planner/SubPlanTypeExtractor.java  |   29 +
 .../planner/distribution/ExchangeNodeAdder.java    |    7 +
 .../plan/planner/distribution/SourceRewriter.java  |  248 ++-
 .../plan/planner/plan/node/PlanGraphPrinter.java   |    8 +
 .../mpp/plan/planner/plan/node/PlanNodeType.java   |    6 +-
 .../db/mpp/plan/planner/plan/node/PlanVisitor.java |    5 +
 .../{LimitNode.java => VerticallyConcatNode.java}  |   56 +-
 .../planner/plan/parameter/AggregationStep.java    |   45 +-
 .../db/mpp/plan/scheduler/StandaloneScheduler.java |    7 +-
 .../scheduler/load/LoadTsFileDispatcherImpl.java   |    9 +-
 .../statement/metadata/GetRegionIdStatement.java   |   30 +-
 .../iotdb/db/mpp/statistics/QueryStatistics.java   |    7 +
 .../db/query/control/QueryResourceManager.java     |   38 +-
 .../groupby/GroupByWithValueFilterDataSet.java     |   88 +-
 .../groupby/GroupByWithoutValueFilterDataSet.java  |  106 +-
 .../db/query/executor/AggregationExecutor.java     |  124 +-
 .../iotdb/db/query/executor/FillQueryExecutor.java |   69 +-
 .../iotdb/db/query/executor/LastQueryExecutor.java |   50 +-
 .../db/query/executor/RawDataQueryExecutor.java    |  138 +-
 .../query/timegenerator/ServerTimeGenerator.java   |   28 +-
 .../org/apache/iotdb/db/rescon/SystemInfo.java     |   10 +-
 .../java/org/apache/iotdb/db/service/DataNode.java |   21 +-
 .../java/org/apache/iotdb/db/service/IoTDB.java    |    5 +-
 .../apache/iotdb/db/service/IoTDBShutdownHook.java |    4 +-
 .../java/org/apache/iotdb/db/service/NewIoTDB.java |    8 +-
 .../iotdb/db/service/RegionMigrateService.java     |    4 +-
 .../impl/DataNodeInternalRPCServiceImpl.java       |    8 +-
 .../service/thrift/impl/DataNodeRegionManager.java |    4 +-
 .../db/sync/sender/manager/LocalSyncManager.java   |    2 +-
 .../iotdb/db/sync/sender/pipe/TsFilePipe.java      |    8 +-
 .../sync/transport/client/SyncClientFactory.java   |    7 +-
 .../iotdb/db/tools/TsFileSplitByPartitionTool.java |   10 +-
 .../db/tools/upgrade/TsFileOnlineUpgradeTool.java  |    6 +-
 .../org/apache/iotdb/db/utils/FileLoaderUtils.java |  259 +--
 .../org/apache/iotdb/db/utils/ThreadUtils.java     |    3 +-
 .../java/org/apache/iotdb/db/wal/node/WALNode.java |    4 +-
 ...ageEngineV2Test.java => StorageEngineTest.java} |   14 +-
 ...CrossSpaceCompactionWithFastPerformerTest.java} |   19 +-
 ...CompactionWithFastPerformerValidationTest.java} |  201 +-
 ...SpaceCompactionWithReadPointPerformerTest.java} |   19 +-
 ...ctionWithReadPointPerformerValidationTest.java} |  253 +--
 ...CrossSpaceCompactionWithFastPerformerTest.java} |    2 +-
 ...SpaceCompactionWithReadPointPerformerTest.java} |   12 +-
 .../utils/MultiTsFileDeviceIteratorTest.java       |   75 +
 .../db/engine/snapshot/IoTDBSnapshotTest.java      |    2 +-
 .../db/engine/storagegroup/DataRegionTest.java     |   22 +-
 ...ocessorV2Test.java => TsFileProcessorTest.java} |    6 +-
 .../mpp/execution/operator/OperatorMemoryTest.java |    5 +-
 ...Test.java => VerticallyConcatOperatorTest.java} |  139 +-
 .../db/mpp/plan/StandaloneCoordinatorTest.java     |    6 +-
 .../distribution/AggregationDistributionTest.java  |   70 +-
 .../plan/scheduler/StandaloneSchedulerTest.java    |    6 +-
 .../iotdb/db/tools/TsFileAndModSettleToolTest.java |  373 ++--
 .../apache/iotdb/db/utils/EnvironmentUtils.java    |    4 +-
 site/iotdb-doap.rdf                                |    8 +-
 site/src/main/.vuepress/config.js                  |   29 +-
 site/src/main/.vuepress/redirects                  |    3 +-
 site/src/main/.vuepress/theme/components/Page.vue  |   36 +-
 site/src/main/package.json                         |    9 +-
 .../apache/iotdb/spark/db/EnvironmentUtils.java    |    7 +-
 testcontainer/pom.xml                              |    2 +-
 .../src/main/thrift/confignode.thrift              |    6 +-
 tsfile/pom.xml                                     |    2 +-
 215 files changed, 5612 insertions(+), 6965 deletions(-)
 copy docs/UserGuide/{Maintenance-Tools/Maintenance-Command.md => 
Cluster/Cluster-Maintenance.md} (73%)
 create mode 100644 docs/UserGuide/Cluster/Deployment-Recommendation.md
 copy docs/{Blog/index.md => UserGuide/UDF-Library/M4.md} (85%)
 copy docs/zh/UserGuide/{Maintenance-Tools/Maintenance-Command.md => 
Cluster/Cluster-Maintenance.md} (76%)
 create mode 100644 docs/zh/UserGuide/Cluster/Deployment-Recommendation.md
 create mode 100644 
integration-test/src/test/java/org/apache/iotdb/db/it/aggregation/IoTDBAggregationOptimizeIT.java
 delete mode 100644 
integration/src/test/java/org/apache/iotdb/db/integration/IoTDBLoadExternalTsfileIT.java
 delete mode 100644 
integration/src/test/java/org/apache/iotdb/db/integration/IoTDBLoadExternalTsfileWithVirtualSGIT.java
 delete mode 100644 
integration/src/test/java/org/apache/iotdb/db/integration/IoTDBSnapshotIT.java
 delete mode 100644 
server/src/main/java/org/apache/iotdb/db/engine/StorageEngineV2.java
 copy 
server/src/main/java/org/apache/iotdb/db/{qp/logical/sys/ShowStorageGroupOperator.java
 => engine/storagegroup/IDataRegionForQuery.java} (54%)
 create mode 100644 
server/src/main/java/org/apache/iotdb/db/engine/storagegroup/VirtualDataRegion.java
 create mode 100644 
server/src/main/java/org/apache/iotdb/db/mpp/execution/operator/process/join/VerticallyConcatOperator.java
 copy 
server/src/main/java/org/apache/iotdb/db/mpp/execution/operator/process/last/{UpdateLastCacheOperator.java
 => AbstractUpdateLastCacheOperator.java} (59%)
 create mode 100644 
server/src/main/java/org/apache/iotdb/db/mpp/execution/operator/process/last/AlignedUpdateLastCacheOperator.java
 copy 
server/src/main/java/org/apache/iotdb/db/mpp/plan/planner/plan/node/process/{LimitNode.java
 => VerticallyConcatNode.java} (64%)
 rename 
server/src/test/java/org/apache/iotdb/db/engine/{StorageEngineV2Test.java => 
StorageEngineTest.java} (87%)
 copy 
server/src/test/java/org/apache/iotdb/db/engine/compaction/cross/{CrossSpaceCompactionTest.java
 => CrossSpaceCompactionWithFastPerformerTest.java} (98%)
 copy 
server/src/test/java/org/apache/iotdb/db/engine/compaction/cross/{CrossSpaceCompactionValidationTest.java
 => CrossSpaceCompactionWithFastPerformerValidationTest.java} (93%)
 rename 
server/src/test/java/org/apache/iotdb/db/engine/compaction/cross/{CrossSpaceCompactionTest.java
 => CrossSpaceCompactionWithReadPointPerformerTest.java} (98%)
 rename 
server/src/test/java/org/apache/iotdb/db/engine/compaction/cross/{CrossSpaceCompactionValidationTest.java
 => CrossSpaceCompactionWithReadPointPerformerValidationTest.java} (93%)
 copy 
server/src/test/java/org/apache/iotdb/db/engine/compaction/cross/{RewriteCrossSpaceCompactionTest.java
 => RewriteCrossSpaceCompactionWithFastPerformerTest.java} (99%)
 rename 
server/src/test/java/org/apache/iotdb/db/engine/compaction/cross/{RewriteCrossSpaceCompactionTest.java
 => RewriteCrossSpaceCompactionWithReadPointPerformerTest.java} (98%)
 rename 
server/src/test/java/org/apache/iotdb/db/engine/storagegroup/{TsFileProcessorV2Test.java
 => TsFileProcessorTest.java} (99%)
 copy 
server/src/test/java/org/apache/iotdb/db/mpp/execution/operator/{LimitOperatorTest.java
 => VerticallyConcatOperatorTest.java} (56%)

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