# IndexStats

# Interface: IndexStats

Defined in: [packages/db/src/indexes/base-index.ts:44](https://github.com/TanStack/db/blob/main/packages/db/src/indexes/base-index.ts#L44)

Statistics about index usage and performance

## Properties

### averageLookupTime

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

Defined in: [packages/db/src/indexes/base-index.ts:47](https://github.com/TanStack/db/blob/main/packages/db/src/indexes/base-index.ts#L47)

***

### entryCount

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

Defined in: [packages/db/src/indexes/base-index.ts:45](https://github.com/TanStack/db/blob/main/packages/db/src/indexes/base-index.ts#L45)

***

### lastUpdated

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

Defined in: [packages/db/src/indexes/base-index.ts:48](https://github.com/TanStack/db/blob/main/packages/db/src/indexes/base-index.ts#L48)

***

### lookupCount

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

Defined in: [packages/db/src/indexes/base-index.ts:46](https://github.com/TanStack/db/blob/main/packages/db/src/indexes/base-index.ts#L46)