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lotus 导出最小快照
- 最小快照
- 2022-05-01
- 2022-07-22
- 导入快照
- 同步链
- 参考
最小快照
screen -S chia
lotus chain export --recent-stateroots=901 --skip-old-msgs snapshot.car
- 日志
- lotus 区块高度导出 3个小时
# lotus --version
lotus version 1.14.1+mainnet+git.d2dca7b21
# cat daemon.log | grep export
2022-03-26T03:03:10.491Z INFO chainstore store/snapshot.go:155 export started
2022-03-26T05:16:22.689Z INFO chainstore store/snapshot.go:98 export {"height": "1664640"}
2022-03-26T05:52:14.048Z INFO chainstore store/snapshot.go:98 export {"height": "0"}
2022-03-26T05:52:14.353Z INFO chainstore store/snapshot.go:166 export finished {"duration": 10143.861824855}
2022-05-01
- 导出时间 5h
61G May 1 15:21 snapshot.car
# cat daemon.log | grep export
2022-05-01T10:24:36.533+0800 INFO chainstore store/snapshot.go:155 export started
2022-05-01T14:33:11.063+0800 INFO chainstore store/snapshot.go:98 export {"height": "1768320"}
2022-05-01T14:39:38.379+0800 INFO chainstore store/snapshot.go:98 export {"height": "1765440"}2022-05-01T15:21:56.781+0800 INFO chainstore store/snapshot.go:98 export {"height": "0"}
2022-05-01T15:21:57.163+0800 INFO chainstore store/snapshot.go:166 export finished {"duration": 17840.628867532}
2022-07-22
- lotus v1.16.0
# lotus --version
lotus version 1.16.0+mainnet+git.01254ab32
- 进入nvme盘目录
cd /seal/
screen -S chain
lotus chain export --recent-stateroots=901 --skip-old-msgs my-snapshot.car
-rw-r--r-- 1 root root 67G Jul 21 18:23 my-snapshot.car
- 导出时间 2h
# cat daemon.log | grep export
2022-07-21T16:32:52.944Z INFO chainstore store/snapshot.go:171 export started
2022-07-21T18:09:27.684Z INFO chainstore store/snapshot.go:103 export {"height": "2001600"}
2022-07-21T18:09:29.491Z INFO chainstore store/snapshot.go:103 export {"height": "1998720"}
......
2022-07-21T18:23:57.698Z INFO chainstore store/snapshot.go:103 export {"height": "2880"}
2022-07-21T18:23:58.324Z INFO chainstore store/snapshot.go:103 export {"height": "0"}
2022-07-21T18:23:58.434Z INFO chainstore store/snapshot.go:182 export finished {"duration": 6665.490158174}
导入快照
lotus daemon stop
# mv datastore/ datastore_old
# mkdir datastore# cd kvlog/metadata/
# mv 1633360978.log.cbor 1633360978.log.cbor_backup
lotus daemon --import-snapshot snapshot.car --halt-after-import
同步链
nohup lotus daemon >> /var/log/chain/daemon.log 2>&1 &
参考
- Creating a snapshot
- 导入导出同步数据裁剪快照
- lotus 链数据导入导出使用教程
- 压缩区块数据
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