Commit 26cdee08 authored by Valentin David's avatar Valentin David
Browse files

Use f_bavail to query available space. Not f_bfree. 

f_bfree space might not be usable. In practice we see failures in big
disks because f_bfree is over 2GB and f_bavail is 0. We get ENOSPC if
writing on disk then.
parent 3513580c

buildstream/_artifactcache/casserver.py

+1 −1
Original line number Diff line number Diff line
@@ -422,7 +422,7 @@ def _clean_up_cache(cas, object_size): 
    # which mounts the repo

    stats = os.statvfs(cas.casdir)

    buffer_ = int(2e9)                # Add a 2 GB buffer

    free_disk_space = (stats.f_bfree * stats.f_bsize) - buffer_

    free_disk_space = (stats.f_bavail * stats.f_bsize) - buffer_

    total_disk_space = (stats.f_blocks * stats.f_bsize) - buffer_



    if object_size > total_disk_space: