Library Version 18.1.40

DB->set_partition_dirs()
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## DB->set_partition_dirs()

    #include <db.h>

    int
    DB->set_partition_dirs(DB *db, const char **dirs);

Specify which directories will contain the database extents. If the number of directories is less than the number of partitions, the directories will be used in a round robin fashion.

The `DB->set_partition_dirs()` method may not be called after the DB->open() method is called.

The `DB->set_partition_dirs()` method returns a non-zero error value on failure and 0 on success.

### Parameters

#### dirs

The dirs points to an array of directories that will be used to create or locate the database extent files specified to the DB->open() method. The directories must be included in the environment list specified by DB_ENV->add_data_dir() .

### Errors

The `DB->set_partition_dirs()` method may fail and return one of the following non-zero errors:

#### EINVAL

An invalid flag value or parameter was specified.

### Class

DB

### See Also

Database and Related Methods

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