# disableTSDBAsyncSorting {#disabletsdbasyncsorting}

**Parent topic:**[Functions](../../Functions/category.md)

## Syntax {#syntax}

`disableTSDBAsyncSorting()`

## Arguments {#arguments}

None

## Details {#details}

Data written to the TSDB cache engine are sorted by *sortColumns*. The tasks of writing and sorting data can be processed synchronously or asynchronously. Execute the command to disable asynchronous sorting mode. This command can only be executed by an administrator on a data node.

Related function: [enableTSDBAsyncSorting](../e/enableTSDBAsyncSorting.md)

