Add log file access information on first access #2205
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Signed-off-by: abushwang <[email protected]>
ktock
reviewed
Jan 3, 2026
| rootID uint32 | ||
| opaqueXattrs []string | ||
| passThrough passThroughConfig | ||
| accessedPaths sync.Map |
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The size of this data continuously increase during runtime as long as the filesystem is mounted, right? If so, can this feature be optional? And what is the reason we avoid duplication here?
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This PR introduces a file access log in debug mode.
By using a sync.Map to track accessed node IDs, it ensures that metadata for each file—including its path, size, mode, and layer digest—is logged only once when it is first opened or its symlink is read.
This feature is useful for analyzing container image usage patterns and identifying which files are actually being accessed during runtime.