src/server/worker_task.rs: speedup upid_read_status()

This commit is contained in:
Dietmar Maurer 2019-04-09 15:11:48 +02:00
parent d8d40dd0c2
commit 0bfd87bc5e

View File

@ -121,12 +121,19 @@ pub fn create_task_log_dirs() -> Result<(), Error> {
Ok(())
}
fn upid_read_status(upid: &UPID) -> Result<String, Error> {
/// Read exits status from task log file
pub fn upid_read_status(upid: &UPID) -> Result<String, Error> {
let mut status = String::from("unknown");
let path = upid.log_path();
let file = File::open(path)?;
let mut file = File::open(path)?;
/// speedup - only read tail
use std::io::Seek;
use std::io::SeekFrom;
let _ = file.seek(SeekFrom::End(-8192)); // ignore errors
let reader = BufReader::new(file);
for line in reader.lines() {