Git 克隆因内存不足错误而失败 - “致命:内存不足，malloc 失败(尝试分配 905574791 字节)/致命:索引包失败" [英] Git clone fails with out of memory error - "fatal: out of memory, malloc failed (tried to allocate 905574791 bytes) / fatal: index-pack failed"
问题描述
我正在尝试将大型 (1.4GB) Git 存储库克隆到具有 384MB RAM 的 32 位 Debian VM.我正在使用 Git 1.7.2.5，并使用 SSH 协议进行克隆 ('git clone user@host.com:/my/repo')
I'm attempting to clone a large (1.4GB) Git repository to a 32-bit Debian VM with 384MB of RAM. I'm using Git 1.7.2.5, and using the SSH protocol to clone ('git clone user@host.com:/my/repo')
克隆失败并显示以下消息:
The clone fails with this message:
remote: Counting objects: 18797, done.
remote: warning: subobtimal pack - out of memory
remote: Compressing objects: 100% (10363/10363), done.
fatal: out of memory, malloc failed (tried to allocate 905574791 bytes)
fatal: index-pack failed
我尝试减少 Git 用于在主机存储库端重新打包的内存量，并重新打包:
I've tried reducing the amount of memory Git uses to repack on the host repository end, and repacking:
git config pack.windowMemory 10m
git config pack.packSizeLimit 20m
git repack -a -d
我的问题如下:
- 这是一个客户端大小(克隆端)的问题，还是应该在我从中克隆的存储库中解决?
在这两种情况下，我能做些什么来让克隆成功吗?网上很多潜在的解决方案都涉及以下部分/全部，在这种情况下都不可接受:
- Is this a client-size (clone-side) problem or should it be resolved in the repo that I'm cloning from?
In either case, is there anything I can do to make the clone succeed? A lot of the potential solutions online involve some/all of the following things, none of which are acceptable in this instance:
- 大幅更改存储库的内容(即删除大文件)
- 为执行克隆的 VM 提供更多 RAM
- 为执行克隆的 VM 提供 64 位虚拟 CPU
- 带外传输(例如使用 Rsync 或 SFTP 传输 .git 目录)
提前致谢.
推荐答案
git clone 不会查看您的 pack.packSizeLimit 设置，它无论如何都会将所有内容转移到一包 - 除非自从我上次查看后它发生了变化.
git clone will not look at your pack.packSizeLimit setting, it'll anyway transfer everything in a single pack - unless it changed since the last time I looked.
使用 SCP 或 Rsync 确实可以解决您的问题.删除无用"的大文件，然后重新打包您尝试克隆的存储库也会有所帮助.
Using SCP or Rsync might be a way to work around your issue indeed. Removing the "useless" large files, then repacking the repository you try to clone could also help.
为 VM 提供更多 RAM 也可能会有所帮助 - 我认为您不需要 64 位地址空间来分配 900MB...您还可以为其提供足够的 SWAP 空间来处理 900MB 包而不是增加内存.
Giving more RAM to the VM might also help - I don't think you'll need a 64-bits address space to allocate 900MB... You could also give it enough SWAP space to handle the 900MB package instead of increasing the RAM.
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