Struct HeadMetrics 

pub struct HeadMetrics {
    pub head: String,
    pub observed_bytes: u64,
    pub included_bytes: u64,
    pub range: [u64; 2],
}

Metrics for the head slice of a log file.

Fields

head: String

The head text (lossy UTF-8, first max_bytes bytes).

observed_bytes: u64

Total file size in bytes (0 if the file does not exist).

included_bytes: u64

Number of bytes included in head.

range: [u64; 2]

Raw byte range [begin, end) represented by the returned text.