nspcc-dev / nspcc-dev/neofs-node

Object stuck in GC cycle, part N

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bug I4 neofs-storage S4 U4
Dominant language
Go
Stars
38
Forks
51
Avg merge
1d 20h
Merged PRs (30d)
38

Description

Expected Behavior

Object deleted, object gone.

Current Behavior

Feb 24 08:31:24 metis1 neofs-node[161827]: info        log/log.go:13        local object storage operation        {"shard_id": "PRYXSqmUXp4ZNZDLqXsgcR", "address": "7ZVSQHtioVRiDT2btN9xEmQhczXV9vryCEAHUawfD8Sc/6GXUGR7SrPsZF9k77qtmrfyVSDRUDK9FPPzw8DSrWbz7", "op": "metabase DELETE"}
Feb 24 08:31:34 metis1 neofs-node[161827]: info        log/log.go:13        local object storage operation        {"shard_id": "PRYXSqmUXp4ZNZDLqXsgcR", "address": "7ZVSQHtioVRiDT2btN9xEmQhczXV9vryCEAHUawfD8Sc/6GXUGR7SrPsZF9k77qtmrfyVSDRUDK9FPPzw8DSrWbz7", "op": "metabase DELETE"}

Possible Solution

Fix something.

Steps to Reproduce (for bugs)

Unknown, but seems to be related to expiration handling and big objects.

Context

Mainnet, single shard of a single node.

Regression

Doesn't look like.

Your Environment

  • Version used: 0.51.1
  • Server setup and configuration: mainnet
  • Operating System and version (uname -a): Debian stable

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by tracing expiration handling for big objects and the metabase DELETE operation described in the logs. Reproduce the issue if possible on the reported 0.51.1 mainnet setup, then verify that an expired object is deleted once and no longer remains stuck in the GC cycle.

Written by the indexing model from the issue text.

Assessment

Tech stack
go
Domain
distributed-systems
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Quiet
Clarity
Needs clarification
Newbie friendliness
38/100

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