# CMS.INITBYDIM

```json metadata
{
  "title": "CMS.INITBYDIM",
  "description": "Initializes a Count-Min Sketch to dimensions specified by user",
  "categories": ["docs","develop","stack","oss","rs","rc","oss","kubernetes","clients"],
  "arguments": [{"name":"key","type":"key"},{"name":"width","type":"integer"},{"name":"depth","type":"integer"}],
  "syntax_fmt": "CMS.INITBYDIM key width depth",
  "complexity": "O(1)",
  "group": "cms",
  "acl_categories": ["@cms","@write","@fast"],
  "since": "2.0.0",
  "tableOfContents": {"sections":[<li>[{"id":"parameters","title":"Parameters:"}]},{"id":"examples","title":"Examples"},{"id":"redis-enterprise-and-redis-cloud-compatibility","title":"Redis Enterprise and Redis Cloud compatibility"},{"id":"return-information","title":"Return information"}]}
}
```













Initializes a Count-Min Sketch to dimensions specified by user.

### Parameters:

* **key**: The name of the sketch.
* **width**: Number of counters in each array. Reduces the error size.
* **depth**: Number of counter-arrays. Reduces the probability for an
    error of a certain size (percentage of total count).

## Examples

```
redis> CMS.INITBYDIM test 2000 5
OK
```

## Redis Enterprise and Redis Cloud compatibility

| Redis<br />Enterprise | Redis<br />Cloud | <span style="min-width: 9em; display: table-cell">Notes</span> |
|:----------------------|:-----------------|:------|
| <span title="Supported">&#x2705; Supported</span><br /> | <span title="Supported">&#x2705; Flexible & Annual</span><br /><span title="Supported">&#x2705; Free & Fixed</nobr></span> |  |

## Return information

{{< multitabs id="cms-initbydim-return-info" 
    tab1="RESP2" 
    tab2="RESP3" >}}

One of the following:

* [Simple string reply](https://redis.io/docs/latest/develop/reference/protocol-spec#simple-strings) `OK` if executed correctly.
* [Simple error reply](https://redis.io/docs/latest/develop/reference/protocol-spec#simple-errors) if the given key already exists.

-tab-sep-

One of the following:

* [Simple string reply](https://redis.io/docs/latest/develop/reference/protocol-spec#simple-strings) `OK` if executed correctly.
* [Simple error reply](https://redis.io/docs/latest/develop/reference/protocol-spec#simple-errors) if the given key already exists.