@clickup/pg-microsharding/docs/functions/calcIslandWeights.md

Microshards support for PostgreSQL

[**@clickup/pg-microsharding**](../README.md)

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[@clickup/pg-microsharding](../globals.md) / calcIslandWeights

# Function: calcIslandWeights()

> **calcIslandWeights**(`__namedParameters`): `Promise`\<\{ `islandNosToDsn`: `Map`\<`number`, `string`\>; `islands`: `Map`\<`number`, `NonNullable`\<`Awaited`\<`ReturnType`\<*typeof* [`weights`](weights.md)\>\>\>\>; \}\>

Defined in: [src/actions/actionList.ts:216](https://github.com/clickup/pg-microsharding/blob/master/src/actions/actionList.ts#L216)

## Parameters

| Parameter | Type |
| ------ | ------ |
| `__namedParameters` | \{ `dsns`: `string`[]; `weightSql`: `undefined` \| `string`; `verbose`: `boolean`; \} |
| `__namedParameters.dsns` | `string`[] |
| `__namedParameters.weightSql` | `undefined` \| `string` |
| `__namedParameters.verbose`? | `boolean` |

## Returns

`Promise`\<\{ `islandNosToDsn`: `Map`\<`number`, `string`\>; `islands`: `Map`\<`number`, `NonNullable`\<`Awaited`\<`ReturnType`\<*typeof* [`weights`](weights.md)\>\>\>\>; \}\>