HEAT INDICES FOR FILE SYSTEMS AND BLOCK STORAGE

摘要

Techniques and mechanisms are provided to allow for selective optimization, including deduplication and/or compression, of portions of files and data blocks. Data access is monitored to generate a heat index for identifying sections of files and volumes that are frequently and infrequently accessed. These frequently used portions may be left non-optimized to reduce or eliminate optimization I/O overhead. Infrequently accessed portions can be more aggressively optimized.

主权项

1. A method, comprising:
maintaining a heat index during optimization of each portion of a file; determining that access to a first portion of the file corresponds to a low heat index; determining that access to a second portion of the file corresponds to a high heat index; and performing optimization on the first portion and the second portion of the file using an optimization scale based on the heat indices for each section during optimization, wherein the first portion of the file is optimized more than the second portion of the file.