mysql backup

运维/mysql-backup.md

@@ -0,0 +1,32 @@
+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