milvus-io/milvus

[Feature]: Support Truncate collection

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#26,280 建立於 2023年8月11日

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 (8 留言) (0 反應) (2 負責人)Go (44,298 star) (4,000 fork)batch import
good first issuekind/feature

描述

Is there an existing issue for this?

  • I have searched the existing issues

Is your feature request related to a problem? Please describe.

Truncate a collection cleans all data in a collection. This can help user to clean up data as soon as possible.

To truncate a collection

  1. Disalble writing of a collection
  2. release the collection
  3. change collection id to a new value
  4. cleanup all the meta of the old collection
  5. wait for async garbage colleciton of the actual. data

Describe the solution you'd like.

No response

Describe an alternate solution.

No response

Anything else? (Additional Context)

No response

貢獻者指南

技術棧
go
領域
database
議題類型
feature
難度面向新貢獻者的預計實作難度，1 表示很小改動，5 表示專家級工作。
4
預計時間有經驗貢獻者完成調查、實作、測試並準備 pull request 的粗略時間範圍。
3-5 days
活動狀態議題目前的可參與程度：新鮮、活躍、陳舊、阻塞或等待維護者輸入。
blocked
清晰度議題是否清楚說明預期改動、驗收標準和下一步。
mostly clear
前置要求
Go programmingMilvus architecture overviewDistributed systems basics
新手友善度1-100 的估計分數，表示該議題對首次貢獻者的友善程度。
30
研究方向
Start by understanding the collection lifecycle in Milvus, focusing on the write and release mechanisms. Look at the codebase in the 'internal' directory for collection management. The issue outlines steps: disable writing, release collection, change collection ID, cleanup metadata, and await async garbage collection. There are two assignees, so check their linked work or comments. Review the garbage collection process for async data cleanup. The maintainers may have additional context in the comments (8 comments) about design decisions.