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Updated June 29, 2022


DescriptionDefault limitCan be raised
Maximum number of Keyspaces10Yes
Key Length255 CharactersNo
Key + Value Size1022 Bytes, more detailsNo
Keyspace Name Length250 Characters
Keyspace Name charactersAlphanumeric (a-zA-Z0-9), underscore (_), period (.), hyphen (-)
Precision of Number types in Values38 significant figures, more details
Supported string characters in ValuesUTF-8

How is the Key + Value size calculated?

The number of characters in the key added to the number of bytes in the JSON-encoded (UTF-8) value.

What is the accepted range for Numeric values?

Numbers can have up to 38 significant figures.

  • Positive range: 1E-130 to 9.9999999999999999999999999999999999999E+125
  • Negative range: -9.9999999999999999999999999999999999999E+125 to -1E-130

API Reference