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| HDF5 Last Updated on 2025-11-11 The HDF5 Field Guide

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Enumerations
H5Cpublic.h File Reference
`#include "H5public.h"`

## Enumerations
enum | H5C_cache_decr_mode { H5C_decr__off , H5C_decr__threshold , H5C_decr__age_out , H5C_decr__age_out_with_threshold }
enum | H5C_cache_flash_incr_mode { H5C_flash_incr__off , H5C_flash_incr__add_space }
enum | H5C_cache_incr_mode { H5C_incr__off , H5C_incr__threshold }

## Enumeration Type Documentation

## ◆ H5C_cache_decr_mode

enum H5C_cache_decr_mode

Enumerator
H5C_decr__off | Automatic cache size decrease is disabled.
H5C_decr__threshold | Automatic cache size decrease is enabled using the hit rate threshold algorithm.
H5C_decr__age_out | Automatic cache size decrease is enabled using the ageout algorithm.
H5C_decr__age_out_with_threshold | Automatic cache size decrease is enabled using the ageout with hit rate threshold algorithm.

## ◆ H5C_cache_flash_incr_mode

enum H5C_cache_flash_incr_mode

Enumerator
H5C_flash_incr__off | Flash cache size increase is disabled.
H5C_flash_incr__add_space | Flash cache size increase is enabled using the add space algorithm.

## ◆ H5C_cache_incr_mode

enum H5C_cache_incr_mode

Enumerator
H5C_incr__off | Automatic cache size increase is disabled, and the remaining increment fields are ignored.
H5C_incr__threshold | Automatic cache size increase is enabled using the hit rate threshold algorithm.