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Use when optimizing indexer speed or tuning sync performance. HyperSync, batch size, WebSocket realtime config, and preload optimization.
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SOC 職業分類に基づく
Use when writing or editing config.yaml. Chain/contract structure, addresses, start_block, event selection, field_selection, custom event names, env vars, address_format, schema/output paths, YAML validation, and deprecated options.
Use when the indexer fails to start, codegen errors, types are stale, Docker or database issues, or something is not working. Common error messages and fixes.
Use when indexing contracts deployed by factory contracts at runtime. contractRegister API, dynamic contract config (no address), async registration, and same-block event coverage.
Use when writing or editing event handlers. Handler registration, context API (entity CRUD, getWhere queries, chain, log), spread updates, indexer runtime API, and common pitfalls.
Use when deploying an indexer across multiple chains. Entity ID namespacing to avoid collisions, chain-specific configuration patterns, and the context.chain runtime API.
Use when needing transaction-level data in handlers. Configure field_selection to include transaction fields on events, and access via event.transaction. No native transaction handler — access through event handlers.
| name | indexer-performance |
| description | Use when optimizing indexer speed or tuning sync performance. HyperSync, batch size, WebSocket realtime config, and preload optimization. |
| metadata | {"managed-by":"envio"} |
HyperSync is the default data source for supported chains. Up to 1000x faster than RPC. No configuration needed — automatic for supported networks.
full_batch_size: 5000 # Target events per batch (default: 5000)
Reduce if handlers make many slow Effect API calls that can't be batched.
Add ws: for lower-latency new block detection via eth_subscribe("newHeads"):
rpc:
- url: ${ENVIO_RPC_ENDPOINT}
ws: ${ENVIO_WS_ENDPOINT}
for: realtime
Add @index to schema fields for faster queries — see indexer-schema for full syntax (single-field, composite, DESC direction).
If something is unclear, use the
envio-docsskill to search and read the latest documentation.