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History

enhance: support collection and index with WAL-based DDL framework (#45033 )

issue: #43897

- Part of collection/index related DDL is implemented by WAL-based DDL
framework now.
- Support following message type in wal, CreateCollection,
DropCollection, CreatePartition, DropPartition, CreateIndex, AlterIndex,
DropIndex.
- Part of collection/index related DDL can be synced by new CDC now.
- Refactor some UT for collection/index DDL.
- Add Tombstone scheduler to manage the tombstone GC for collection or
partition meta.
- Move the vchannel allocation into streaming pchannel manager.

---------

Signed-off-by: chyezh <chyezh@outlook.com>

2025-10-30 14:24:08 +08:00

allocator

enhance: Pooling for data tasks (#41256 )

2025-05-20 21:06:24 +08:00

broker

enhance: Optimize FlushAll performance for multi-table scenarios (#43339 )

2025-07-30 15:37:37 +08:00

session

enhance: remove redundant channel manager from datacoord (#44532 )

2025-10-09 11:01:57 +08:00

task

fix: Skip running scalar index when segment was compacted (#44690 )

2025-10-11 12:05:56 +08:00

.mockery.yaml

fix: Pre-check import message to prevent pipeline block indefinitely (#42415 )

2025-06-11 13:40:38 +08:00

analyze_inspector.go

fix: Fix task getting stuck after recovery (#42114 )

2025-05-28 12:46:28 +08:00

analyze_meta_test.go

enhance: Use v2 package name for pkg module (#39990 )

2025-02-22 23:15:58 +08:00

analyze_meta.go

enhance: Pooling for data tasks (#41256 )

2025-05-20 21:06:24 +08:00

build_index_policy.go

Format the code (#27275 )

2023-09-21 09:45:27 +08:00

channel.go

enhance: remove redundant channel manager from datacoord (#44532 )

2025-10-09 11:01:57 +08:00

compaction_inspector_test.go

enhance: remove redundant channel manager from datacoord (#44532 )

2025-10-09 11:01:57 +08:00

compaction_inspector.go

enhance: remove redundant channel manager from datacoord (#44532 )

2025-10-09 11:01:57 +08:00

compaction_l0_view_test.go

feat: support mannual compact l0(#44439 ) (#44440 )

2025-09-23 12:44:07 +08:00

compaction_l0_view.go

feat: support mannual compact l0(#44439 ) (#44440 )

2025-09-23 12:44:07 +08:00

compaction_policy_clustering_test.go

fix: Use diskSegmentMaxSize for coll with sparse and dense vectors (#43194 )

2025-07-16 18:04:52 +08:00

compaction_policy_clustering.go

feat: Auto add namespace field data if namespace is enabled (#44933 )

2025-10-24 18:40:05 +08:00

compaction_policy_l0_test.go

feat: support mannual compact l0(#44439 ) (#44440 )

2025-09-23 12:44:07 +08:00

compaction_policy_l0.go

feat: support mannual compact l0(#44439 ) (#44440 )

2025-09-23 12:44:07 +08:00

compaction_policy_single_test.go

enhance: Move sort stats task to sort compaction (#42562 )

2025-07-08 20:22:47 +08:00

compaction_policy_single.go

feat: Auto add namespace field data if namespace is enabled (#44933 )

2025-10-24 18:40:05 +08:00

compaction_queue_test.go

enhance: Use v2 package name for pkg module (#39990 )

2025-02-22 23:15:58 +08:00

compaction_queue.go

enhance: Use v2 package name for pkg module (#39990 )

2025-02-22 23:15:58 +08:00

compaction_task_clustering_test.go

enhance: support collection and index with WAL-based DDL framework (#45033 )

2025-10-30 14:24:08 +08:00

compaction_task_clustering.go

enhance: Remove timeout for compaction task (#44277 )

2025-09-15 11:03:58 +08:00

compaction_task_l0_test.go

enhance: remove redundant channel manager from datacoord (#44532 )

2025-10-09 11:01:57 +08:00

compaction_task_l0.go

enhance: Remove timeout for compaction task (#44277 )

2025-09-15 11:03:58 +08:00

compaction_task_meta_test.go

enhance: Use v2 package name for pkg module (#39990 )

2025-02-22 23:15:58 +08:00

compaction_task_meta.go

fix: Fix invalid pre-allocated segment IDs (#44350 )

2025-09-15 10:27:58 +08:00

compaction_task_mix_test.go

enhance: remove redundant channel manager from datacoord (#44532 )

2025-10-09 11:01:57 +08:00

compaction_task_mix.go

enhance: Remove timeout for compaction task (#44277 )

2025-09-15 11:03:58 +08:00

compaction_task.go

enhance: Remove timeout for compaction task (#44277 )

2025-09-15 11:03:58 +08:00

compaction_trigger_test.go

enhance: Remove timeout for compaction task (#44277 )

2025-09-15 11:03:58 +08:00

compaction_trigger_v2_test.go

feat: support mannual compact l0(#44439 ) (#44440 )

2025-09-23 12:44:07 +08:00

compaction_trigger_v2.go

feat: Auto add namespace field data if namespace is enabled (#44933 )

2025-10-24 18:40:05 +08:00

compaction_trigger.go

feat: Auto add namespace field data if namespace is enabled (#44933 )

2025-10-24 18:40:05 +08:00

compaction_util.go

enhance: Add unified GRPC latency metrics in inteceptor (#44089 )

2025-08-28 09:53:51 +08:00

compaction_view.go

feat: support mannual compact l0(#44439 ) (#44440 )

2025-09-23 12:44:07 +08:00

const.go

enhance: pass partition key scalar info if enabled when build vector index (#29931 )

2024-01-24 00:04:55 +08:00

create_meta_test.go

enhance: Pooling for data tasks (#41256 )

2025-05-20 21:06:24 +08:00

ddl_callbacks_alter_index.go

enhance: support collection and index with WAL-based DDL framework (#45033 )

2025-10-30 14:24:08 +08:00

ddl_callbacks_create_index.go

enhance: support collection and index with WAL-based DDL framework (#45033 )

2025-10-30 14:24:08 +08:00

ddl_callbacks_drop_index.go

enhance: support collection and index with WAL-based DDL framework (#45033 )

2025-10-30 14:24:08 +08:00

ddl_callbacks.go

enhance: support collection and index with WAL-based DDL framework (#45033 )

2025-10-30 14:24:08 +08:00

errors_test.go

enhance: Use v2 package name for pkg module (#39990 )

2025-02-22 23:15:58 +08:00

errors.go

Refine DataCoord status (#27262 )

2023-09-26 17:15:27 +08:00

garbage_collector_test.go

enhance: Check loaded segments before gc (#42639 )

2025-06-13 17:44:38 +08:00

garbage_collector.go

feat: Add RESTful api for rolling upgrade support (#44381 )

2025-09-16 20:08:00 +08:00

go_channel_singleton.go

fix: Fix improper use of offset in HybridSearch (#36244 )

2024-09-13 22:05:15 +08:00

handler_test.go

enhance: support collection and index with WAL-based DDL framework (#45033 )

2025-10-30 14:24:08 +08:00

handler.go

fix: remove wrong start timetick to avoid filtering DML whose timetick is less than it. (#44691 )

2025-10-09 20:39:58 +08:00

import_checker_test.go

enhance: add file resource api (#43766 )

2025-08-08 14:17:41 +08:00

import_checker.go

fix: Fix import fileStats incorrectly set to nil (#43463 )

2025-07-22 12:37:01 +08:00

import_inspector_test.go

enhance: remove redundant channel manager from datacoord (#44532 )

2025-10-09 11:01:57 +08:00

import_inspector.go

enhance: Move sort stats task to sort compaction (#42562 )

2025-07-08 20:22:47 +08:00

import_job.go

enhance: Show create time for import job (#45058 )

2025-10-27 12:14:08 +08:00

import_meta_test.go

enhance: Pooling for data tasks (#41256 )

2025-05-20 21:06:24 +08:00

import_meta.go

enhance: Enhance import context (#42021 )

2025-05-23 12:58:27 +08:00

import_task_import_test.go

enhance: Enhance import context (#42021 )

2025-05-23 12:58:27 +08:00

import_task_import.go

fix: Handle retry state in import task (#43474 )

2025-07-22 14:52:53 +08:00

import_task_preimport_test.go

enhance: Enhance import context (#42021 )

2025-05-23 12:58:27 +08:00

import_task_preimport.go

fix: Fix task state is InProgress but payload is nil (#43777 )

2025-08-11 14:13:42 +08:00

import_task.go

enhance: Move sort stats task to sort compaction (#42562 )

2025-07-08 20:22:47 +08:00

import_util_test.go

enhance: add file resource api (#43766 )

2025-08-08 14:17:41 +08:00

import_util.go

feat: encode cluster id in auto id (#44471 )

2025-09-22 10:40:02 +08:00

index_engine_version_manager_test.go

enhance: Implement rewatch mechanism for etcd failure scenarios (#43829 )

2025-08-14 10:31:44 +08:00

index_engine_version_manager.go

enhance: Implement rewatch mechanism for etcd failure scenarios (#43829 )

2025-08-14 10:31:44 +08:00

index_inspector_test.go

enhance: Pooling for data tasks (#41256 )

2025-05-20 21:06:24 +08:00

index_inspector.go

enhance: Move sort stats task to sort compaction (#42562 )

2025-07-08 20:22:47 +08:00

index_meta_test.go

enhance: support collection and index with WAL-based DDL framework (#45033 )

2025-10-30 14:24:08 +08:00

index_meta.go

enhance: support collection and index with WAL-based DDL framework (#45033 )

2025-10-30 14:24:08 +08:00

index_service_test.go

enhance: support collection and index with WAL-based DDL framework (#45033 )

2025-10-30 14:24:08 +08:00

index_service.go

enhance: support collection and index with WAL-based DDL framework (#45033 )

2025-10-30 14:24:08 +08:00

knapsack_test.go

enhance: refine compaction trigger to reduce read/write amplifaction(#41336 ) (#41728 )

2025-06-04 11:24:38 +08:00

knapsack.go

enhance: refine compaction trigger to reduce read/write amplifaction(#41336 ) (#41728 )

2025-06-04 11:24:38 +08:00

meta_test.go

enhance: [StorageV2] add manifest path support for FFI integration (#44991 )

2025-10-27 19:24:10 +08:00

meta_util.go

fix: make savebinlogpath idompotent at binlog level (#43615 )

2025-07-29 19:47:36 +08:00

meta.go

enhance: [StorageV2] add manifest path support for FFI integration (#44991 )

2025-10-27 19:24:10 +08:00

metrics_info_test.go

enhance: remove redundant channel manager from datacoord (#44532 )

2025-10-09 11:01:57 +08:00

metrics_info.go

enhance: remove redundant channel manager from datacoord (#44532 )

2025-10-09 11:01:57 +08:00

mock_compaction_inspector.go

enhance: Move sort stats task to sort compaction (#42562 )

2025-07-08 20:22:47 +08:00

mock_compaction_meta.go

enhance: Fail compaction task to prevent data loss (#43545 )

2025-07-25 16:24:54 +08:00

mock_handler.go

enhance: remove redundant channel manager from datacoord (#44532 )

2025-10-09 11:01:57 +08:00

mock_import_meta.go

fix: Pre-check import message to prevent pipeline block indefinitely (#42415 )

2025-06-11 13:40:38 +08:00

mock_index_engine_version_manager.go

enhance: Pooling for data tasks (#41256 )

2025-05-20 21:06:24 +08:00

mock_segment_manager.go

feat: add NotifyDropPartition in mixcoord for droppartition in dc (#42029 )

2025-05-23 18:32:26 +08:00

mock_stats_job_manager.go

enhance: Use v2 package name for pkg module (#39990 )

2025-02-22 23:15:58 +08:00

mock_sub_cluster.go

enhance: Pooling for data tasks (#41256 )

2025-05-20 21:06:24 +08:00

mock_test.go

enhance: forbid build analyzer at proxy (#44067 )

2025-10-23 10:58:12 +08:00

mock_trigger_manager.go

feat: support mannual compact l0(#44439 ) (#44440 )

2025-09-23 12:44:07 +08:00

mock_trigger.go

enhance: Pooling for data tasks (#41256 )

2025-05-20 21:06:24 +08:00

OWNERS

[skip ci]Update OWNERS files (#11898 )

2021-11-16 15:41:11 +08:00

partition_stats_meta_test.go

enhance: Use v2 package name for pkg module (#39990 )

2025-02-22 23:15:58 +08:00

partition_stats_meta.go

enhance: Use v2 package name for pkg module (#39990 )

2025-02-22 23:15:58 +08:00

README.md

[skip ci]Change etcd to lowercase (#9983 )

2021-10-15 18:58:37 +08:00

segment_allocation_policy_test.go

fix: Ignore growing segment without start pos for seal policy (#41130 )

2025-04-07 22:16:23 +08:00

segment_allocation_policy.go

fix: Ignore growing segment without start pos for seal policy (#41130 )

2025-04-07 22:16:23 +08:00

segment_info_test.go

fix: Fix GetCompactionTo return empty results when segment was GCed (#44270 )

2025-09-12 18:11:58 +08:00

segment_info.go

fix: Fix GetCompactionTo return empty results when segment was GCed (#44270 )

2025-09-12 18:11:58 +08:00

segment_manager_test.go

feat: add NotifyDropPartition in mixcoord for droppartition in dc (#42029 )

2025-05-23 18:32:26 +08:00

segment_manager.go

feat: add NotifyDropPartition in mixcoord for droppartition in dc (#42029 )

2025-05-23 18:32:26 +08:00

segment_operator_test.go

enhance: Use v2 package name for pkg module (#39990 )

2025-02-22 23:15:58 +08:00

segment_operator.go

enhance: Add json key inverted index in stats for optimization (#38039 )

2025-04-10 15:20:28 +08:00

server_test.go

enhance: support collection and index with WAL-based DDL framework (#45033 )

2025-10-30 14:24:08 +08:00

server.go

enhance: support collection and index with WAL-based DDL framework (#45033 )

2025-10-30 14:24:08 +08:00

services_test.go

enhance: support collection and index with WAL-based DDL framework (#45033 )

2025-10-30 14:24:08 +08:00

services.go

enhance: support collection and index with WAL-based DDL framework (#45033 )

2025-10-30 14:24:08 +08:00

stats_inspector_test.go

enhance: Move sort stats task to sort compaction (#42562 )

2025-07-08 20:22:47 +08:00

stats_inspector.go

enhance: support json stats with shredding design (#42534 )

2025-09-01 10:49:52 +08:00

stats_task_meta_test.go

enhance: Move sort stats task to sort compaction (#42562 )

2025-07-08 20:22:47 +08:00

stats_task_meta.go

enhance: Move sort stats task to sort compaction (#42562 )

2025-07-08 20:22:47 +08:00

task_analyze_test.go

feat: Add CMEK cipher plugin (#43722 )

2025-08-27 11:15:52 +08:00

task_analyze.go

feat: Add CMEK cipher plugin (#43722 )

2025-08-27 11:15:52 +08:00

task_index_test.go

enhance: Pooling for data tasks (#41256 )

2025-05-20 21:06:24 +08:00

task_index.go

fix: Skip running scalar index when segment was compacted (#44690 )

2025-10-11 12:05:56 +08:00

task_stats_test.go

enhance: Move sort stats task to sort compaction (#42562 )

2025-07-08 20:22:47 +08:00

task_stats.go

enhance: support json stats with shredding design (#42534 )

2025-09-01 10:49:52 +08:00

util_test.go

enhance: Use v2 package name for pkg module (#39990 )

2025-02-22 23:15:58 +08:00

util.go

enhance: remove redundant channel manager from datacoord (#44532 )

2025-10-09 11:01:57 +08:00

README.md

Data Coordinator

Data cooridnator(datacoord for short) is the component to organize DataNodes and segments allocations.

Dependency

KV store: a kv store has all the meta info datacoord needs to operate. (etcd)
Message stream: a message stream to communicate statistics information with data nodes. (Pulsar)
Root Coordinator: timestamp, id and meta source.
Data Node(s): could be an instance or a cluster, actual worker group handles data modification operations.