proxmox-backup/pbs-datastore/src/chunk_stat.rs
Wolfgang Bumiller e64f38cb6b move chunk_stat, read_chunk to pbs-datastore
Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
2021-07-09 10:40:14 +02:00

44 lines
1.2 KiB
Rust

pub struct ChunkStat {
pub size: u64,
pub compressed_size: u64,
pub disk_size: u64,
pub chunk_count: usize,
pub duplicate_chunks: usize,
start_time: std::time::SystemTime,
}
impl ChunkStat {
pub fn new(size: u64) -> Self {
ChunkStat {
size,
compressed_size: 0,
disk_size: 0,
chunk_count: 0,
duplicate_chunks: 0,
start_time: std::time::SystemTime::now(),
}
}
}
impl std::fmt::Debug for ChunkStat {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
let avg = ((self.size as f64)/(self.chunk_count as f64)) as usize;
let compression = (self.compressed_size*100)/(self.size as u64);
let rate = (self.disk_size*100)/(self.size as u64);
let elapsed = self.start_time.elapsed().unwrap();
let elapsed = (elapsed.as_secs() as f64) +
(elapsed.subsec_millis() as f64)/1000.0;
let write_speed = ((self.size as f64)/(1024.0*1024.0))/elapsed;
write!(f, "Size: {}, average chunk size: {}, compression rate: {}%, disk_size: {} ({}%), speed: {:.2} MB/s",
self.size, avg, compression, self.disk_size, rate, write_speed)
}
}