EROFS
The Enhanced Read-Only File System, or EROFS, has introduced page cache sharing to significantly reduce memory usage in containerized environments. This feature allows multiple containers to share cached pages from the same file system image, cutting memory waste by 40% to 60%. Developed initially by Huawei, EROFS is gaining traction in cloud and edge computing scenarios.
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Developers are exploring page cache sharing as a way to improve performance for EROFS containers. This technique appears to offer significant advantages in Linux environments. The findings come from Phoronix, a site focused on Linux hardware and software reviews.