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InfluxDB doesn't limit how many tables you can have in an individual database,
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as long as the total across all databases is below the limit.
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Having more tables affects your {{% product-name %}} installation in the
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following ways:
@@ -64,14 +65,16 @@ persists data to Parquet files. Each `PUT` request incurs a monetary cost and
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increases the operating cost of {{< product-name >}}.
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{{% /expand %}}
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{{% expand "**More work for the compactor**_(Enterprise only)_ <emstyle='opacity:.5;font-weight:normal;'>View more info</em>" %}}
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{{% show-in "enterprise" %}}
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{{% expand "**More work for the compactor** <emstyle='opacity:.5;font-weight:normal;'>View more info</em>" %}}
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To optimize storage over time, InfluxDB 3 Enterprise has a compactor that
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routinely compacts Parquet files.
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With more tables and Parquet files to compact, the compactor may need to be scaled
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to keep up with demand, adding to the operating cost of InfluxDB 3 Enterprise.
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{{% /expand %}}
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{{% /show-in %}}
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{{< /expand-wrapper >}}
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### Column limit
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Each row must include a time column, with the remaining columns representing
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tags and fields.
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As a result, a table can have one time column and up to {{% influxdb3/limit "column" -1 %}}
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As a result,{{% show-in "enterprise" %}} by default,{{% /show-in %}} a table can
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have one time column and up to {{% influxdb3/limit "column" -1 %}}
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_combined_ field and tag columns.
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If you attempt to write to a table and exceed the column limit, the write
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request fails and InfluxDB returns an error.
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{{% show-in "enterprise" %}}
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You can configure the maximum number of columns per
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table using the [`num-total-columns-per-table-limit` configuration option](/influxdb3/enterprise/reference/config-options/#num-total-columns-per-table-limit).
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{{% /show-in %}}
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Higher numbers of columns has the following side-effects:
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