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Diffstat (limited to 'doc/manual/rl-next/nix-copy-is-fast.md')
| -rw-r--r-- | doc/manual/rl-next/nix-copy-is-fast.md | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/doc/manual/rl-next/nix-copy-is-fast.md b/doc/manual/rl-next/nix-copy-is-fast.md new file mode 100644 index 000000000..bf26eb65f --- /dev/null +++ b/doc/manual/rl-next/nix-copy-is-fast.md @@ -0,0 +1,12 @@ +--- +synopsis: "`nix copy` is now several times faster at `querying info about /nix/store/...`" +cls: [1462] +issues: [fj#366] +credits: [jade] +category: Fixes +--- + +We fixed a locking bug that serialized `querying info about /nix/store/...` +onto just one thread such that it was eating `O(paths to copy * latency)` time +while setting up to copy paths to s3 and other stores. It is now `nproc` times +faster. |