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milvus/internal/datacoord
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Zhen Ye 19e5e9f910
enhance: broadcaster will lock resource until message acked (#44508) 
issue: #43897

- Return LastConfirmedMessageID when wal append operation.
- Add resource-key-based locker for broadcast-ack operation to protect
the coord state when executing ddl.
- Resource-key-based locker is held until the broadcast operation is
acked.
- ResourceKey support shared and exclusive lock.
- Add FastAck execute ack right away after the broadcast done to speed
up ddl.
- Ack callback will support broadcast message result now.
- Add tombstone for broadcaster to avoid to repeatedly commit DDL and
ABA issue.

---------

Signed-off-by: chyezh <chyezh@outlook.com>
2025-09-24 20:58:05 +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
feat: Add CDC support (#44124)
2025-09-16 16:32:01 +08:00
task
enhance: Fix unbalanced task scheduling (#43581)
2025-07-28 12:58:55 +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
…
channel_manager_factory.go
fix: drop collection failed if enable streaming service (#37444)
2024-11-07 10:26:26 +08:00
channel_manager_test.go
fix: ChannelManager double assignment (#41837)
2025-05-23 14:16:29 +08:00
channel_manager.go
fix: ChannelManager double assignment (#41837)
2025-05-23 14:16:29 +08:00
channel_store_test.go
fix: ChannelManager double assignment (#41837)
2025-05-23 14:16:29 +08:00
channel_store.go
fix: ChannelManager double assignment (#41837)
2025-05-23 14:16:29 +08:00
channel.go
enhance: support run analyzer by loaded collection field (#42113)
2025-05-29 10:54:30 +08:00
cluster_test.go
enhance: Implement rewatch mechanism for etcd failure scenarios (#43829)
2025-08-14 10:31:44 +08:00
cluster.go
enhance: Implement rewatch mechanism for etcd failure scenarios (#43829)
2025-08-14 10:31:44 +08:00
compaction_inspector_test.go
enhance: Remove timeout for compaction task (#44277)
2025-09-15 11:03:58 +08:00
compaction_inspector.go
enhance: Fail compaction task to prevent data loss (#43545)
2025-07-25 16:24:54 +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: support mannual compact l0(#44439) (#44440)
2025-09-23 12:44:07 +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: support mannual compact l0(#44439) (#44440)
2025-09-23 12:44:07 +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: Remove timeout for compaction task (#44277)
2025-09-15 11:03:58 +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: Fail compaction task to prevent data loss (#43545)
2025-07-25 16:24:54 +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 timeout for compaction task (#44277)
2025-09-15 11:03:58 +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
fix: upsert error for timestamptz (#44548)
2025-09-24 10:28:04 +08:00
compaction_trigger.go
enhance: Remove timeout for compaction task (#44277)
2025-09-15 11:03:58 +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
errors_test.go
enhance: Use v2 package name for pkg module (#39990)
2025-02-22 23:15:58 +08:00
errors.go
…
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
fix: create multiple idential indexes by accident (#40179)
2025-04-08 15:06:25 +08:00
handler.go
fix: dirty cp metrics after drop (#43567)
2025-07-27 23:22:55 +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: add file resource api (#43766)
2025-08-08 14:17:41 +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: Use v2 package name for pkg module (#39990)
2025-02-22 23:15:58 +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
fix: Use locking to ensure the atomicity of dropping segment indexes (#42075)
2025-05-28 10:00:28 +08:00
index_meta.go
enhance: Add param item forcing all indices ready for segment (#44313)
2025-09-12 17:51:58 +08:00
index_service_test.go
feat: support dropping index without releasing collection (#42941)
2025-09-02 16:17:52 +08:00
index_service.go
feat: support search by on json field and dynamic field(#43124) (#43203)
2025-09-09 21:51:56 +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: [DataCoord] Remove full-collection index work from metrics (#43859)
2025-08-29 12:05:50 +08:00
meta_util.go
fix: make savebinlogpath idompotent at binlog level (#43615)
2025-07-29 19:47:36 +08:00
meta.go
enhance: Fix operator apply in UpdateSegment (#44158)
2025-09-03 00:27:53 +08:00
metrics_info_test.go
enhance: Refine task meta with key lock (#40613)
2025-03-14 15:44:22 +08:00
metrics_info.go
enhance: [DataCoord] Remove full-collection index work from metrics (#43859)
2025-08-29 12:05:50 +08:00
mock_channel_manager.go
enhance: Pooling for data tasks (#41256)
2025-05-20 21:06:24 +08:00
mock_channel_store.go
fix: ChannelManager double assignment (#41837)
2025-05-23 14:16:29 +08:00
mock_cluster.go
enhance: Pooling for data tasks (#41256)
2025-05-20 21:06:24 +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: Check loaded segments before gc (#42639)
2025-06-13 17:44:38 +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
feat: Add RESTful api for rolling upgrade support (#44381)
2025-09-16 20:08:00 +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
…
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
policy_test.go
fix: Fix channel not balance on datanodes (#40422)
2025-03-11 14:56:16 +08:00
policy.go
fix: Fix channel not balance on datanodes (#40422)
2025-03-11 14:56:16 +08:00
README.md
…
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: broadcaster will lock resource until message acked (#44508)
2025-09-24 20:58:05 +08:00
server.go
enhance: broadcaster will lock resource until message acked (#44508)
2025-09-24 20:58:05 +08:00
services_test.go
enhance: Add granular flush targets support for FlushAll operation (#44234)
2025-09-19 18:38:01 +08:00
services.go
feat: support mannual compact l0(#44439) (#44440)
2025-09-23 12:44:07 +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
feat: impl StructArray -- optimize vector array serialization (#44035)
2025-09-03 16:39:53 +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: Add param item forcing all indices ready for segment (#44313)
2025-09-12 17:51:58 +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.