diff options
| author | Vincent Ambo <tazjin@google.com> | 2019-08-08T19·57+0100 |
|---|---|---|
| committer | Vincent Ambo <github@tazj.in> | 2019-08-08T20·15+0100 |
| commit | c727b3ca9ea44e5dbc2f4c7b280af26f8c53a526 (patch) | |
| tree | 21e8a336c6f190333dfd656c14090283afc1b04a /tools/nixery/build-registry-image.nix | |
| parent | 993fda337755e02e4505b0a85f14581baa8ed1d0 (diff) | |
chore(nix): Increase maximum number of layers to 96
This uses a significantly larger percentage of the total available layers (125) than before, which means that cache hits for layers become more likely between images.
Diffstat (limited to 'tools/nixery/build-registry-image.nix')
| -rw-r--r-- | tools/nixery/build-registry-image.nix | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/tools/nixery/build-registry-image.nix b/tools/nixery/build-registry-image.nix index 6a5312b444d0..255f1ca9b1d0 100644 --- a/tools/nixery/build-registry-image.nix +++ b/tools/nixery/build-registry-image.nix @@ -29,11 +29,10 @@ packages ? "[]", # Optional bash script to run on the files prior to fixturizing the layer. extraCommands ? "", uid ? 0, gid ? 0, - # Docker's lowest maximum layer limit is 42-layers for an old - # version of the AUFS graph driver. We pick 24 to ensure there is - # plenty of room for extension. I believe the actual maximum is - # 128. - maxLayers ? 24, + # Docker's modern image storage mechanisms have a maximum of 125 + # layers. To allow for some extensibility (via additional layers), + # the default here is set to something a little less than that. + maxLayers ? 96, # Configuration for which package set to use when building. # |