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Database maintenance and system management
Error Code Reference
S04-Management
S04007

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S04007

Error Code

S04007

Error Message

Failed to set the maximum number of file handles that can be opened with error: <xxx>. RefId: S04007

Probable Causes

This error occurs when setting the maxFileHandles to configure the maximum number of file descriptors that can be open in a DolphinDB process. It is typically caused by an operating system limitation.

Solutions

Check the operating system for any limitations on the maximum number of open file descriptors allowed for a user.