# Update README.md

`57ecb44`→[main](/content/gh/entireio/git-sync/commits/main/index.html)·

Soph·2mo ago·1 file·+1 added/-1 removed

Co-authored-by: Paulo Gomes <paulo@entire.io>

## Changes

1

- MREADME.md+1/-1

````
53 unmodified lines

54
55
56
57
57
58
59
60

53 unmodified lines

If `replicate` cannot use relay against the target, it fails and tells you to rerun with `sync`.

For very large initial migrations, add `--target-max-pack-bytes` to split the initial pack into multiple relay batches with temporary refs. The same flag works on `sync`, since `sync` auto-bootstraps on empty targets:
For very large initial migrations, add `--target-max-pack-bytes` to split the initial pack into multiple smaller batches. The same flag works on `sync`, since `sync` auto-bootstraps on empty targets:

```bash
go run ./cmd/git-sync sync 
````

MREADME.md+1/-1