【 TiKV 使用环境】生产环境
【 TiKV 版本】v8.1.1
【复现路径】有一个tikv节点未知原因掉线，过去两个月后发现与其他store之间的数据量差距较大
【资源配置】
3台48核128G物理机，混合部署3个tikv+3个pd（掉线的一台仅仅是tikv断掉，pd正常）
现在看正常的两个tikv节点数据量比较平均，都是183G左右。掉线的那台为393G。
【Store信息】
{
"count": 3,
"stores": [
{
"store": {
"id": 1005,
"address": "0.0.0.101:20160",
"version": "8.1.1",
"peer_address": "0.0.0.101:20160",
"status_address": "0.0.0.101:20180",
"git_hash": "7793f1d5dc40206fe406ca001be1e0d7f1b83a8f",
"start_timestamp": 1751173377,
"deploy_path": "/",
"last_heartbeat": 1766821769530714325,
"state_name": "Up"
},
"status": {
"capacity": "1.345TiB",
"available": "1.108TiB",
"used_size": "139.5GiB",
"leader_count": 3481,
"leader_weight": 1,
"leader_score": 3481,
"leader_size": 7099016,
"region_count": 8244,
"region_weight": 1,
"region_score": 21506574.567600116,
"region_size": 17440914,
"slow_score": 1,
"slow_trend": {
"cause_value": 250013.37751677854,
"cause_rate": 0,
"result_value": 35590.5,
"result_rate": -55456.687326754385
},
"start_ts": "2025-06-29T13:02:57+08:00",
"last_heartbeat_ts": "2025-12-27T15:49:29.530714325+08:00",
"uptime": "4346h46m32.530714325s"
}
},
{
"store": {
"id": 1004,
"address": "0.0.0.102:20160",
"version": "8.1.1",
"peer_address": "0.0.0.102:20160",
"status_address": "0.0.0.102:20180",
"git_hash": "7793f1d5dc40206fe406ca001be1e0d7f1b83a8f",
"start_timestamp": 1751173380,
"deploy_path": "/",
"last_heartbeat": 1760512413898838807,
"state_name": "Down"
},
"status": {
"capacity": "392.6GiB",
"available": "0B",
"used_size": "90.09GiB",
"leader_count": 0,
"leader_weight": 1,
"leader_score": 0,
"leader_size": 0,
"region_count": 8244,
"region_weight": 1,
"region_score": 10085360052.449165,
"region_size": 17440914,
"slow_score": 75,
"slow_trend": {
"cause_value": 250011.18456375838,
"cause_rate": 0,
"result_value": 3.5,
"result_rate": 0
},
"start_ts": "2025-06-29T13:03:00+08:00",
"last_heartbeat_ts": "2025-10-15T15:13:33.898838807+08:00",
"uptime": "2594h10m33.898838807s"
}
},
{
"store": {
"id": 1001,
"address": "0.0.0.103:20160",
"version": "8.1.1",
"peer_address": "0.0.0.103:20160",
"status_address": "0.0.0.103:20180",
"git_hash": "7793f1d5dc40206fe406ca001be1e0d7f1b83a8f",
"start_timestamp": 1751173381,
"deploy_path": "/",
"last_heartbeat": 1766821770487281780,
"state_name": "Up"
},
"status": {
"capacity": "1.345TiB",
"available": "1.109TiB",
"used_size": "138.7GiB",
"leader_count": 4763,
"leader_weight": 1,
"leader_score": 4763,
"leader_size": 10341898,
"region_count": 8244,
"region_weight": 1,
"region_score": 21504760.077404324,
"region_size": 17440914,
"slow_score": 1,
"slow_trend": {
"cause_value": 250018.2701342282,
"cause_rate": 0,
"result_value": 43229,
"result_rate": -99249.85309282198
},
"start_ts": "2025-06-29T13:03:01+08:00",
"last_heartbeat_ts": "2025-12-27T15:49:30.48728178+08:00",
"uptime": "4346h46m29.48728178s"
}
}
]
}
【region信息】
"regions": [
{
"id": 336442013,
"start_key": "6A66732D70726F64FFFD4112470B010000FF0000430000000000FE",
"end_key": "6A66732D70726F64FFFD41125B39050000FF0000430000000700FE",
"epoch": {
"conf_ver": 5,
"version": 102
},
"peers": [
{
"role_name": "Voter",
"id": 336442014,
"store_id": 1001
},
{
"role_name": "Voter",
"id": 336442015,
"store_id": 1004
},
{
"role_name": "Voter",
"id": 336442016,
"store_id": 1005
}
],
"leader": {
"role_name": "Voter",
"id": 336442014,
"store_id": 1001
},
"down_peers": [
{
"peer": {
"role_name": "Voter",
"id": 336442015,
"store_id": 1004
},
"down_seconds": 6296086
}
],
"pending_peers": [
{
"role_name": "Voter",
"id": 336442015,
"store_id": 1004
}
],
"cpu_usage": 0,
"written_bytes": 3398,
"read_bytes": 88877,
"written_keys": 60,
"read_keys": 7,
"approximate_size": 94,
"approximate_keys": 609756
},
有没有比较推荐的恢复手段？