2023-09-12 15:06:52.376302 W | embed: Running http and grpc server on single port. This is not recommended for production.
2023-09-12 15:06:52.376353 I | etcdmain: etcd Version: 3.4.25
2023-09-12 15:06:52.376359 I | etcdmain: Git SHA: 94593e63d
2023-09-12 15:06:52.376364 I | etcdmain: Go Version: go1.19.8
2023-09-12 15:06:52.376369 I | etcdmain: Go OS/Arch: linux/amd64
2023-09-12 15:06:52.376375 I | etcdmain: setting maximum number of CPUs to 4, total number of available CPUs is 4
2023-09-12 15:06:52.376551 N | etcdmain: the server is already initialized as member before, starting as etcd member...
[WARNING] Deprecated '--logger=capnslog' flag is set; use '--logger=zap' flag instead
2023-09-12 15:06:52.376569 W | embed: Running http and grpc server on single port. This is not recommended for production.
2023-09-12 15:06:52.377197 I | embed: name = default
2023-09-12 15:06:52.377215 I | embed: data dir = ./data/data.etcd
2023-09-12 15:06:52.377222 I | embed: member dir = data/data.etcd/member
2023-09-12 15:06:52.377234 I | embed: heartbeat = 100ms
2023-09-12 15:06:52.377240 I | embed: election = 1000ms
2023-09-12 15:06:52.377245 I | embed: snapshot count = 100000
2023-09-12 15:06:52.377258 I | embed: advertise client URLs = http://localhost:2379
2023-09-12 15:06:52.377428 W | pkg/fileutil: check file permission: directory "./data/data.etcd" exist, but the permission is "drwxrwxr-x". The recommended permission is "-rwx------" to prevent possible unprivileged access to the data.
2023-09-12 15:06:52.379854 C | mvcc/backend: cannot open database at data/data.etcd/member/snap/db (invalid database)
panic: cannot open database at data/data.etcd/member/snap/db (invalid database)

goroutine 139 [running]:
github.com/coreos/pkg/capnslog.(*PackageLogger).Panicf(0xc000048ae0?, {0xfd5036?, 0xe2dd00?}, {0xc00010daa0?, 0xc0004fcb00?, 0x4f2627?})
        /root/go/pkg/mod/github.com/coreos/pkg@v0.0.0-20160727233714-3ac0863d7acf/capnslog/pkg_logger.go:75 +0xbb
go.etcd.io/etcd/mvcc/backend.newBackend({{0xc000048ae0, 0x1d}, 0x5f5e100, 0x2710, {0xfb61c0, 0x5}, 0x280000000, 0x0, 0x0})
        /root/go/src/go.etcd.io/etcd/release/etcd/mvcc/backend/backend.go:175 +0x3fd
go.etcd.io/etcd/mvcc/backend.New(...)
        /root/go/src/go.etcd.io/etcd/release/etcd/mvcc/backend/backend.go:151
go.etcd.io/etcd/etcdserver.newBackend({{0xfb8680, 0x7}, {0x0, 0x0}, {0x0, 0x0}, {0xc00016d3b0, 0x1, 0x1}, {0xc00016d0e0, ...}, ...})
        /root/go/src/go.etcd.io/etcd/release/etcd/etcdserver/backend.go:53 +0x3c5
go.etcd.io/etcd/etcdserver.openBackend.func1()
        /root/go/src/go.etcd.io/etcd/release/etcd/etcdserver/backend.go:74 +0x58
created by go.etcd.io/etcd/etcdserver.openBackend
        /root/go/src/go.etcd.io/etcd/release/etcd/etcdserver/backend.go:73 +0x12a