为何auto analyze table总是失败,而人工执行analyze table却能成功呢?

{
“service_gc_safe_points”: [
{
“service_id”: “gc_worker”,
“expired_at”: 9223372036854775807,
“safe_point”: 445874237452845193
}
],
“gc_safe_point”: 445874237452845193
}

请问这个如何转换为时间呢?