Files
sa-charts/运维/mysql-backup.md
2025-05-08 21:24:56 +08:00

32 lines
931 B
Markdown

1. 安装xtrabackup
sudo yum install https://www.percona.com/downloads/percona-release/redhat/0.1-10/percona-release-0.1-10.noarch.rpm
sudo yum install percona-xtrabackup-80
2. ​全量备份加速方案​
```
xtrabackup --backup --user=root --password=nczl@sino_db \
--parallel=4 --compress --compress-threads=4 \
--target-dir=/data/backup/full_$(date +%Y%m%d) | gzip > backup.xbstream.gz
xtrabackup --backup --user=root --password=nczl@sino_db \
--incremental-basedir=/data/backup/full_$(date +%Y%m%d) \
--target-dir=/data/backup/inc_$(date +%Y%m%d) \
--parallel=4 --compress --compress-threads=4 | gzip > inc.xbstream.gz
xtrabackup --user=root --password=nczl@sino_db --decompress --target-dir=/data/backup/full_20250508
xtrabackup --prepare --apply-log-only --target-dir=/data/backup/full_20250508 \
--use-memory=32G
```
rsync -avz -e ssh /data/backup/full_20250508 root@192.168.3.123/data/backup/full_20250508