graphprotocol / graphprotocol/graph-node

[Bug] Subgraph failed with non-deterministic error and not rewindable

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Rust
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Description

Bug report

Gemma from LunaNova has reported the following behaviour on the Arbitrum One network subgraph:

<@674203219349471262> did anyone have any clues? Our network subgraph is still failed and non-rewindable...
This morning I noticed that the network subgraph was somehow attempting to index on two indexer nodes simultaneously? We've stopped all but one indexer node now, so it can only be on one, but we're still seeing the same errors/issues.
A bit more info from the graph node logs...
We see this one multiple times, the block number increases...
INFO Subgraph error is still ahead of deployment head, nothing to unfail, error_block_hash: 0xeae04e55fda6358d1bbe2d1b1485e048631696888b00b9a011f10ace92562483, error_block_range: (Included(242816197), Unbounded), block_hash: 0xc78f776271180d1414d047a72c67c0cdc63d3de9eb87a9705c02de2f1334dbd7, block_number: 242810632, subgraph_id: QmSWxvd8SaQK6qZKJ7xtfxCCGoRzGnoi2WNzmJYYJW9BXY, shard: primary, component: Store
Then after a while (not always at the same block, it's random)
ERRO Subgraph writer failed, error: internal constraint violated: expected to remove at most one offchain data source but would remove 2, causality region: 35120, sgd: 969, subgraph_id: QmSWxvd8SaQK6qZKJ7xtfxCCGoRzGnoi2WNzmJYYJW9BXY, component: SubgraphInstanceManager
ERRO Subgraph failed with non-deterministic error: Failed to transact block operations: internal constraint violated: expected to remove at most one offchain data source but would remove 2, causality region: 35120, retry_delay_s: 125, attempt: 0, sgd: 969, subgraph_id: QmSWxvd8SaQK6qZKJ7xtfxCCGoRzGnoi2WNzmJYYJW9BXY, component: SubgraphInstanceManager
Then the writer stops, waits for retry_delay, restarts and we're back to the beginning...

Original message: https://discord.com/channels/438038660412342282/737341252835737641/1273898848791822357

Rewinding the Subgraph fails:

If it helps, when we try to rewind the network subgraph, we're getting:
Pausing deployments ... paused QmSWxvd8SaQK6qZKJ7xtfxCCGoRzGnoi2WNzmJYYJW9BXY[969] ... paused QmSWxvd8SaQK6qZKJ7xtfxCCGoRzGnoi2WNzmJYYJW9BXY[969]
Waiting 20s to make sure pausing was processed
Rewinding deployments
thread 'main' panicked at 'called Result::unwrap() on an Err value: Fulltext search is not yet deterministic', graph/src/schema/input_schema.rs:822:85`

Original message: https://discord.com/channels/438038660412342282/737341252835737641/1273587764276891700

graph-node v0.34.1 (62e3a7211 2024-02-08)
indexer-service v0.20.22
indexer-agent v0.21.3

Relevant log output

No response

IPFS hash

QmSWxvd8SaQK6qZKJ7xtfxCCGoRzGnoi2WNzmJYYJW9BXY

Subgraph name or link to explorer

Arbitrum One Network Subgraph

Some information to help us out
  • Tick this box if this bug is caused by a regression found in the latest release.
  • Tick this box if this bug is specific to the hosted service.
  • I have searched the issue tracker to make sure this issue is not a duplicate.
OS information

None

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 with the rewind panic at graph/src/schema/input_schema.rs:822:85, then trace the Store and SubgraphInstanceManager paths named in the logs. Investigate the non-deterministic offchain data source constraint failure and the interaction with fulltext-search determinism. Done means the subgraph no longer repeatedly fails and its rewind completes successfully.

Written by the indexing model from the issue text.

Assessment

Tech stack
rust
Domain
backend
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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