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History

enhance: Reduce datanode metacache frequent scan range (#33400 )

See also #32165

There were some frequent scan in metacache:
- List all segments whose start positions not synced
- List compacted segments

Those scan shall cause lots of CPU time when flushed segment number is
large meanwhile `Flushed` segments can be skipped in those two scenarios

This PR make:
- Add segment state shortcut in metacache
- List start positions state before `Flushed`
- Make compacted segments state to be `Dropped` and use `Dropped` state
while scanning them

---------

Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>

2024-05-28 14:19:42 +08:00

allocator

Replace manual composed grpc call with Broker methods (#27676 )

2023-10-13 09:55:34 +08:00

broker

fix: Remove L0 compactor in completedCompactor (#33169 )

2024-05-21 11:35:38 +08:00

compaction

enhance: Decouple compaction from shard (#33138 )

2024-05-24 09:07:41 +08:00

importv2

enhance: Abstract Execute interface for import/preimport task (#33234 )

2024-05-23 11:29:41 +08:00

enhance: Tidy compactor and remove dup codes (#32198 )

2024-05-23 09:53:40 +08:00

iterators

enhance: Speed up L0 compaction (#30410 )

2024-02-04 10:49:05 +08:00

metacache

enhance: Reduce datanode metacache frequent scan range (#33400 )

2024-05-28 14:19:42 +08:00

syncmgr

enhance: Reduce datanode metacache frequent scan range (#33400 )

2024-05-28 14:19:42 +08:00

writebuffer

enhance: Reduce datanode metacache frequent scan range (#33400 )

2024-05-28 14:19:42 +08:00

cache_test.go

Make duplicate flush recalls success and other logic update (#16755 )

2022-05-06 17:49:51 +08:00

cache.go

Use typeutil.ConcurrentMap instead of sync.Map (#25846 )

2023-07-24 10:23:01 +08:00

channel_checkpoint_updater_test.go

enhance: Refine channelCpUpdater field & test (#33083 )

2024-05-16 14:19:34 +08:00

channel_checkpoint_updater.go

enhance: Refine channelCpUpdater field & test (#33083 )

2024-05-16 14:19:34 +08:00

channel_manager_test.go

fix: channel manager's goroutine run order (#33118 )

2024-05-21 14:35:39 +08:00

channel_manager.go

fix: channel manager's goroutine run order (#33118 )

2024-05-21 14:35:39 +08:00

compaction_executor_test.go

enhance: Tidy compactor and remove dup codes (#32198 )

2024-05-23 09:53:40 +08:00

compaction_executor.go

enhance: Decouple compaction from shard (#33138 )

2024-05-24 09:07:41 +08:00

data_node_test.go

enhance: Remove import v1 (#31403 )

2024-03-22 15:29:09 +08:00

data_node.go

enhance: Abstract Execute interface for import/preimport task (#33234 )

2024-05-23 11:29:41 +08:00

data_sync_service_test.go

enhance: Reduce datanode metacache frequent scan range (#33400 )

2024-05-28 14:19:42 +08:00

data_sync_service.go

enhance: Load BF from storage instead of memory during L0 compaction (#32913 )

2024-05-17 17:25:36 +08:00

event_manager_test.go

feat: datacoord/node watch based on rpc (#32036 )

2024-05-07 15:49:30 +08:00

event_manager.go

feat: datacoord/node watch based on rpc (#32036 )

2024-05-07 15:49:30 +08:00

flow_graph_dd_node_test.go

Format the code (#27275 )

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

flow_graph_dd_node.go

enhance: optimize datanode cpu usage under large collection number (#33267 )

2024-05-25 04:43:41 +08:00

flow_graph_dmstream_input_node_test.go

enhance: add the includeCurrentMsg param for the Seek method (#33326 )

2024-05-27 10:31:41 +08:00

flow_graph_dmstream_input_node.go

fix: add back existing datanode metrics (#29360 )

2023-12-22 14:20:43 +08:00

flow_graph_manager_test.go

enhance: Remove rootcoord from datanode broker (#32818 )

2024-05-14 10:03:32 +08:00

flow_graph_manager.go

enhance: Make datanode exit and case TestProxy faster (#32218 )

2024-04-16 10:49:20 +08:00

flow_graph_message_test.go

Format the code (#27275 )

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

flow_graph_message.go

Format the code (#27275 )

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

flow_graph_node.go

Make flow graph retry longer (#24355 )

2023-05-25 09:53:30 +08:00

flow_graph_time_tick_node.go

enhance: Prevent the backlog of channelCP update tasks, perform batch updates of channelCPs (#30941 )

2024-03-07 20:39:02 +08:00

flow_graph_time_ticker.go

enhance: create goroutine only once (#28594 )

2023-11-22 10:26:28 +08:00

flow_graph_write_node.go

enhance: Use struct{} for sync task future result (#32673 )

2024-04-29 10:59:26 +08:00

flush_task_counter_test.go

Fix flushManager.isFull is too slow (#28141 )

2023-11-03 14:42:17 +08:00

flush_task_counter.go

Fix flushManager.isFull is too slow (#28141 )

2023-11-03 14:42:17 +08:00

io_pool_test.go

Fix copylocks linter errors (#26217 )

2023-08-08 20:41:15 +08:00

io_pool.go

Fix getting incorrect CPU num (#28146 )

2023-11-06 06:02:16 +08:00

l0_compactor_test.go

enhance: Decouple compaction from shard (#33138 )

2024-05-24 09:07:41 +08:00

l0_compactor.go

enhance: Decouple compaction from shard (#33138 )

2024-05-24 09:07:41 +08:00

meta_util.go

Use go-api/v2 for milvus-proto (#24770 )

2023-06-09 01:28:37 +08:00

metrics_info.go

enhance: Use struct{} for sync task future result (#32673 )

2024-04-29 10:59:26 +08:00

mock_channelmanager.go

enhance: Change DN channelmanger into interface (#29307 )

2023-12-27 16:00:48 +08:00

mock_fgmanager.go

enhance: Use struct{} for sync task future result (#32673 )

2024-04-29 10:59:26 +08:00

mock_test.go

enhance: Tidy compactor and remove dup codes (#32198 )

2024-05-23 09:53:40 +08:00

OWNERS

…

rate_collector_test.go

Move some modules from internal to public package (#22572 )

2023-04-06 19:14:32 +08:00

rate_collector.go

feat: support rate limiter based on db and partition levels (#31070 )

2024-04-12 16:01:19 +08:00

README.md

…

services_test.go

enhance: Reduce datanode metacache frequent scan range (#33400 )

2024-05-28 14:19:42 +08:00

services.go

enhance: Decouple compaction from shard (#33138 )

2024-05-24 09:07:41 +08:00

stats_updater_test.go

Use writebuffer, sync manager refactory in datanode (#28320 )

2023-11-15 15:24:18 +08:00

stats_updater.go

test: support multiple data/querynodes in integration test (#30618 )

2024-02-21 11:54:53 +08:00

timetick_sender_test.go

enhance: Reduce the memory usage of the timeTickSender (#30968 )

2024-03-02 10:13:01 +08:00

timetick_sender.go

enhance: optimize datanode cpu usage under large collection number (#33267 )

2024-05-25 04:43:41 +08:00

util.go

Format the code (#27275 )

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

README.md

Data Node

DataNode is the component to write insert and delete messages into persistent blob storage, for example MinIO or S3.

Dependency

KV store: a kv store that persists messages into blob storage.
Message stream: receive messages and publish imformation
Root Coordinator: get the latest unique IDs.
Data Coordinator: get the flush information and which message stream to subscribe.