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Gaia 升级

Gaia 应用通常至少需要 32GB 内存，才能在升级过程中平稳运行，因为可能需要执行耗时较长的数据迁移。 如果你的内存少于 32GB，可以尝试创建一个 swapfile，将空闲程序交换到硬盘上，以释放内存。这样可以让你的机器运行原本仅靠内存时无法运行的二进制程序。 
# Linux instructions
sudo fallocate -l 16G /swapfile
sudo chmod 600 /swapfile
sudo mkswap /swapfile
sudo swapon /swapfile

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Gaia Upgrades

The Gaia application typically needs at least 32GB RAM, for smooth operation for upgrade, as there may be lengthy migrations to perform. If you have less than 32GB RAM, you might try creating a swapfile to swap an idle program onto the hard disk to free up memory. This can allow your machine to run the binary than it could run in RAM alone. 
# Linux instructions
sudo fallocate -l 16G /swapfile
sudo chmod 600 /swapfile
sudo mkswap /swapfile
sudo swapon /swapfile