This topic lists the Dremio limits.
|Catalog||32k||Size of fields in records.|
|Catalog||6400||Number of leaf columns in tables. See Creating and Querying Wide Tables for details.|
|Catalog||800||Number of leaf columns in a table that a query can scan. See Creating and Querying Wide Tables for details.|
|Source||60,000||Enables unlimited splits for FileSystem sources. |
|Source||300,000||Number of splits that can be processed for a single dataset (table) for Non-FileSystem Sources.|
|Source||300,000||Combined number of splits that can be processed from all datasets (tables) referenced in a query for both FileSystem Sources & Non-FileSystem Sources after Dremio has pruned partitions for each dataset.|
|Source||10 MB||Maximum size of an Excel file,|
|Configuration||25,000||Number of nodes in a query plan.|
|Workload Management||1000||Total number of executing and queued queries per coordinator node.|
|Number of bytes that can be uploaded through the UI.|
Maximum size of an Excel file,
|Downloads||1M rows||Number of rows that can be downloaded through the UI.|
|Data Type Size||32000 bytes||Maximum size in bytes allowed while reading data in varbinary for all source types.|
|Data Type Size||32000 bytes||Maximum size in bytes allowed while reading data in varchar for all source types.|
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