# IndexStats

# Interface: IndexStats

Defined in: [packages/db/src/indexes/base-index.ts:21](https://github.com/TanStack/db/blob/main/packages/db/src/indexes/base-index.ts#L21)

Statistics about index usage and performance

## Properties

### averageLookupTime

```ts
readonly averageLookupTime: number;
```

Defined in: [packages/db/src/indexes/base-index.ts:24](https://github.com/TanStack/db/blob/main/packages/db/src/indexes/base-index.ts#L24)

***

### entryCount

```ts
readonly entryCount: number;
```

Defined in: [packages/db/src/indexes/base-index.ts:22](https://github.com/TanStack/db/blob/main/packages/db/src/indexes/base-index.ts#L22)

***

### lastUpdated

```ts
readonly lastUpdated: Date;
```

Defined in: [packages/db/src/indexes/base-index.ts:25](https://github.com/TanStack/db/blob/main/packages/db/src/indexes/base-index.ts#L25)

***

### lookupCount

```ts
readonly lookupCount: number;
```

Defined in: [packages/db/src/indexes/base-index.ts:23](https://github.com/TanStack/db/blob/main/packages/db/src/indexes/base-index.ts#L23)