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42f643e727
milvus/internal/datacoord
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XuanYang-cn 42f643e727
Make DataNode release rather than delete when reassign (#17293) 
1. Reassgin now will assign to the original Node if no other nodes
   avaliable
2. Make AddNode balance async: ToRealse + Reassign

See also: #16114, #17270

Signed-off-by: yangxuan <xuan.yang@zilliz.com>
2022-06-02 13:56:04 +08:00
..
allocator_test.go [skip ci]Update license for dc channel manager (#10591) 2021-10-25 20:19:25 +08:00
allocator.go Fix Data race in NodeID (#16603) 2022-04-24 22:03:44 +08:00
channel_checker_test.go Adopt the extended state in DataCoord (#16200) 2022-03-28 22:33:27 +08:00
channel_checker.go Remove offLineNodes from watch states check (#16347) 2022-04-01 22:33:29 +08:00
channel_manager_factory.go Update some comments for data coord with some minor code refactoring. (#15686) 2022-02-22 13:15:51 +08:00
channel_manager_test.go Make DataNode release rather than delete when reassign (#17293) 2022-06-02 13:56:04 +08:00
channel_manager.go Make DataNode release rather than delete when reassign (#17293) 2022-06-02 13:56:04 +08:00
channel_store_test.go Split watch operations to many transactions (#10655) 2021-10-26 19:38:20 +08:00
channel_store.go Update some comments for data coord with some minor code refactoring. (#15686) 2022-02-22 13:15:51 +08:00
cluster_test.go Fix an issue that causes flush hanging (#17169) 2022-05-25 14:34:00 +08:00
cluster.go Fix an issue that causes flush hanging (#17169) 2022-05-25 14:34:00 +08:00
compaction_policy_test.go [skip e2e]Fix license missing issue in datacoord (#14426) 2021-12-28 16:16:04 +08:00
compaction_policy.go [skip e2e]Fix license missing issue in datacoord (#14425) 2021-12-28 15:41:50 +08:00
compaction_test.go [skip e2e]Fix license missing issue in datacoord (#14427) 2021-12-28 15:43:51 +08:00
compaction_trigger_test.go Implement mix compaction logic (#15542) 2022-02-18 14:51:49 +08:00
compaction_trigger.go Refine log level in data (#15821) 2022-03-02 15:35:55 +08:00
compaction.go Implement mix compaction logic (#15542) 2022-02-18 14:51:49 +08:00
const.go Add distributed lock for segment refgerence (#16782) 2022-05-31 16:36:03 +08:00
errors_test.go Improve import statement (#13725) 2021-12-20 15:46:03 +08:00
errors.go [skip e2e] Modify code comments according to naming conventions (#13709) 2021-12-20 11:20:43 +08:00
garbage_collector_test.go Add distributed lock for segment refgerence (#16782) 2022-05-31 16:36:03 +08:00
garbage_collector.go Add distributed lock for segment refgerence (#16782) 2022-05-31 16:36:03 +08:00
handler.go Reduce the number of metrics (#16030) 2022-03-15 21:51:21 +08:00
meta_test.go Add distributed lock for segment refgerence (#16782) 2022-05-31 16:36:03 +08:00
meta.go Add distributed lock for segment refgerence (#16782) 2022-05-31 16:36:03 +08:00
metrics_info_test.go [skip ci]Fix datacoord package name missing (#10608) 2021-10-25 21:21:40 +08:00
metrics_info.go Fix Data race in NodeID (#16603) 2022-04-24 22:03:44 +08:00
mock_test.go Fix an issue that causes flush hanging (#17169) 2022-05-25 14:34:00 +08:00
OWNERS [skip ci]Update OWNERS files (#11898) 2021-11-16 15:41:11 +08:00
policy_test.go Make DataNode release rather than delete when reassign (#17293) 2022-06-02 13:56:04 +08:00
policy.go Make DataNode release rather than delete when reassign (#17293) 2022-06-02 13:56:04 +08:00
README.md [skip ci]Change etcd to lowercase (#9983) 2021-10-15 18:58:37 +08:00
segment_allocation_policy_test.go Use GlobalParamTable for all components (#13885) 2021-12-23 18:39:11 +08:00
segment_allocation_policy.go Use GlobalParamTable for all components (#13885) 2021-12-23 18:39:11 +08:00
segment_info.go [skip e2e]Sort imports (#14809) 2022-01-05 14:06:48 +08:00
segment_manager_test.go Resolve an issue with bulk load where segments in flow graph replica are not updated (#16609) 2022-04-25 11:07:47 +08:00
segment_manager.go make SegmentMaxLifetime configurable (#16783) 2022-05-06 23:41:51 +08:00
segment_reference_manager_test.go Add distributed lock for segment refgerence (#16782) 2022-05-31 16:36:03 +08:00
segment_reference_manager.go Add distributed lock for segment refgerence (#16782) 2022-05-31 16:36:03 +08:00
server_test.go Add distributed lock for segment refgerence (#16782) 2022-05-31 16:36:03 +08:00
server.go Add distributed lock for segment refgerence (#16782) 2022-05-31 16:36:03 +08:00
services.go Add distributed lock for segment refgerence (#16782) 2022-05-31 16:36:03 +08:00
session_manager.go Fix an issue that causes flush hanging (#17169) 2022-05-25 14:34:00 +08:00
session.go [skip e2e] Refine datacoord session comment (#13796) 2021-12-20 19:48:53 +08:00
util_test.go Use CommonConfig in GlobalParams for all components (#15106) 2022-01-10 19:03:35 +08:00
util.go Add distributed lock for segment refgerence (#16782) 2022-05-31 16:36:03 +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.