不是热点索引，详细的数据
Limit_9, 1000.00, 96, root, , time:1.82s, loops:2, offset:0, count:1000, N/A, N/A
└─IndexLookUp_14, 1000.00, 96, root, , time:1.82s, loops:2, index_task: {total_time: 1.44s, fetch_handle: 1.44s, build: 1.68µs, wait: 7.03µs}, table_task: {total_time: 11.5s, num: 1, concurrency: 8}, , 11.1 KB, N/A
├─Limit_13(Build), 1000.00, 96, cop[tikv], , time:1.44s, loops:3, cop_task: {num: 1478, max: 252ms, min: 189.3µs, avg: 954µs, p95: 439.3µs, max_proc_keys: 96, p95_proc_keys: 0, tot_proc: 919ms, tot_wait: 50ms, rpc_num: 1478, rpc_time: 1.4s, copr_cache_hit_ratio: 0.99}, tikv_task:{proc max:354ms, min:39ms, p80:138ms, p95:189ms, iters:1480, tasks:1478}, scan_detail: {total_process_keys: 96, total_keys: 3811337, rocksdb: {delete_skipped_count: 1823, key_skipped_count: 4558158, block: {cache_hit_count: 2483, read_count: 2, read_byte: 16.6 KB}}}, offset:0, count:1000, N/A, N/A
│ └─IndexRangeScan_11, 1000.00, 96, cop[tikv], table:st_summary_bill_sync_confirm, index:IDX_SYNC_STATUS(I_SYNC_STATUS), tikv_task:{proc max:354ms, min:39ms, p80:138ms, p95:189ms, iters:1480, tasks:1478}, scan_detail: {total_process_keys: 0, total_keys: 0, rocksdb: {delete_skipped_count: 0, key_skipped_count: 0, block: {cache_hit_count: 0, read_count: 0, read_byte: 0 Bytes}}}, range:[0,0], keep order:false, N/A, N/A
└─TableRowIDScan_12(Probe), 1000.00, 96, cop[tikv], table:st_summary_bill_sync_confirm, time:794.2µs, loops:2, cop_task: {num: 1, max: 726.5µs, proc_keys: 96, rpc_num: 1, rpc_time: 706.3µs, copr_cache_hit_ratio: 0.00}, tikv_task:{time:0s, loops:3}, scan_detail: {total_process_keys: 96, total_keys: 289, rocksdb: {delete_skipped_count: 96, key_skipped_count: 864, block: {cache_hit_count: 10, read_count: 0, read_byte: 0 Bytes}}}, keep order:false, stats:pseudo, N/A, N/A