{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/WalConfig",
  "title": "WalConfig",
  "type": "object",
  "required": [
    "wal_capacity_mb",
    "wal_segments_ahead"
  ],
  "properties": {
    "wal_capacity_mb": {
      "description": "Size of a single WAL segment in MB",
      "type": "integer",
      "format": "uint",
      "minimum": 1
    },
    "wal_segments_ahead": {
      "description": "Number of WAL segments to create ahead of actually used ones",
      "type": "integer",
      "format": "uint",
      "minimum": 0
    },
    "wal_retain_closed": {
      "description": "Number of closed WAL segments to keep",
      "default": 1,
      "type": "integer",
      "format": "uint",
      "minimum": 1
    }
  }
}