indexer-performance

Testing & Quality

Use when optimizing indexer speed or tuning sync performance. HyperSync, batch size, WebSocket realtime config, and preload optimization.

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Source SKILL.md: https://github.com/enviodev/hyperindex/blob/HEAD/packages/cli/templates/static/shared/.claude/skills/indexer-performance/SKILL.md

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Performance Tuning

HyperSync (Default — Fastest)

HyperSync is the default data source for supported chains. Up to 1000x faster than RPC. No configuration needed — automatic for supported networks.

Batch Size

full_batch_size: 5000  # Target events per batch (default: 5000)

Reduce if handlers make many slow Effect API calls that can't be batched.

WebSocket for Realtime Indexing

Add ws: for lower-latency new block detection via eth_subscribe("newHeads"):

rpc:
  - url: ${ENVIO_RPC_ENDPOINT}
    ws: ${ENVIO_WS_ENDPOINT}
    for: realtime

Database Indexes

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-docs skill to search and read the latest documentation.