mysql 当前运行状态分析

mysql> show status;
+-----------------------------------+------------+
| Variable_name                     | Value      |
+-----------------------------------+------------+
| Aborted_clients                   | 0          | 
| Aborted_connects                  | 0          | 
| Binlog_cache_disk_use             | 0          | 
| Binlog_cache_use                  | 0          | 
| Bytes_received                    | 93         | 
| Bytes_sent                        | 216        | 
| 
| 
|
| Compression                       | OFF        | 
| Connections                       | 28478      | 
| Created_tmp_disk_tables           | 0          | 
| Created_tmp_files                 | 5          | 
| Created_tmp_tables                | 2          | 
| Delayed_errors                    | 0          | 
| Delayed_insert_threads            | 0          | 
| Delayed_writes                    | 0          | 
| Flush_commands                    | 1          | 
| Handler_commit                    | 0          | 
| Handler_delete                    | 0          | 
| Handler_discover                  | 0          | 
| Handler_prepare                   | 0          | 
| Handler_read_first                | 0          | 
| Handler_read_key                  | 0          | 
| Handler_read_next                 | 0          | 
| Handler_read_prev                 | 0          | 
| Handler_read_rnd                  | 0          | 
| Handler_read_rnd_next             | 2          | 
| Handler_rollback                  | 0          | 
| Handler_savepoint                 | 0          | 
| Handler_savepoint_rollback        | 0          | 
| Handler_update                    | 0          | 
| Handler_write                     | 131        | 
| Innodb_buffer_pool_pages_data     | 1151       | 
| Innodb_buffer_pool_pages_dirty    | 0          | 
| Innodb_buffer_pool_pages_flushed  | 243639     | 
| Innodb_buffer_pool_pages_free     | 890        | 
| Innodb_buffer_pool_pages_latched  | 0          | 
| Innodb_buffer_pool_pages_misc     | 7          | 
| Innodb_buffer_pool_pages_total    | 2048       | 
| Innodb_buffer_pool_read_ahead_rnd | 2          | 
| Innodb_buffer_pool_read_ahead_seq | 0          | 
| Innodb_buffer_pool_read_requests  | 17667654   | 
| Innodb_buffer_pool_reads          | 925        | 
| Innodb_buffer_pool_wait_free      | 0          | 
| Innodb_buffer_pool_write_requests | 6318397    | 
| Innodb_data_fsyncs                | 187115     | 
| Innodb_data_pending_fsyncs        | 0          | 
| Innodb_data_pending_reads         | 0          | 
| Innodb_data_pending_writes        | 0          | 
| Innodb_data_read                  | 18386944   | 
| Innodb_data_reads                 | 945        | 
| Innodb_data_writes                | 358325     | 
| Innodb_data_written               | 4058085376 | 
| Innodb_dblwr_pages_written        | 243639     | 
| Innodb_dblwr_writes               | 10994      | 
| Innodb_log_waits                  | 0          | 
| Innodb_log_write_requests         | 612186     | 
| Innodb_log_writes                 | 158006     | 
| Innodb_os_log_fsyncs              | 165043     | 
| Innodb_os_log_pending_fsyncs      | 0          | 
| Innodb_os_log_pending_writes      | 0          | 
| Innodb_os_log_written             | 365859840  | 
| Innodb_page_size                  | 16384      | 
| Innodb_pages_created              | 162        | 
| Innodb_pages_read                 | 989        | 
| Innodb_pages_written              | 243639     | 
| Innodb_row_lock_current_waits     | 0          | 
| Innodb_row_lock_time              | 0          | 
| Innodb_row_lock_time_avg          | 0          | 
| Innodb_row_lock_time_max          | 0          | 
| Innodb_row_lock_waits             | 0          | 
| Innodb_rows_deleted               | 123        | 
| Innodb_rows_inserted              | 768919     | 
| Innodb_rows_read                  | 7702682    | 
| Innodb_rows_updated               | 20330      | 
| Key_blocks_not_flushed            | 0          | 
| Key_blocks_unused                 | 14497      | 
| Key_blocks_used                   | 3          | 
| Key_read_requests                 | 3          | 
| Key_reads                         | 3          | 
| Key_write_requests                | 0          | 
| Key_writes                        | 0          | 
| Last_query_cost                   | 0.000000   | 
| Max_used_connections              | 11         | 
| Not_flushed_delayed_rows          | 0          | 
| Open_files                        | 3          | 
| Open_streams                      | 0          | 
| Open_tables                       | 256        | 
| Opened_tables                     | 0          | 
| Qcache_free_blocks                | 0          | 
| Qcache_free_memory                | 0          | 
| Qcache_hits                       | 0          | 
| Qcache_inserts                    | 0          | 
| Qcache_lowmem_prunes              | 0          | 
| Qcache_not_cached                 | 0          | 
| Qcache_queries_in_cache           | 0          | 
| Qcache_total_blocks               | 0          | 
| Questions                         | 1027242    | 
| Rpl_status                        | NULL       | 
| Select_full_join                  | 0          | 
| Select_full_range_join            | 0          | 
| Select_range                      | 0          | 
| Select_range_check                | 0          | 
| Select_scan                       | 2          | 
| Slave_open_temp_tables            | 0          | 
| Slave_retried_transactions        | 0          | 
| Slave_running                     | OFF        | 
| Slow_launch_threads               | 0          | 
| Slow_queries                      | 0          | 
| Sort_merge_passes                 | 0          | 
| Sort_range                        | 0          | 
| Sort_rows                         | 0          | 
| Sort_scan                         | 0          | 
| Table_locks_immediate             | 657247     | 
     | 
| Threads_connected                 | 4          | 
| Threads_created                   | 28477      | 
| Threads_running                   | 1          | 
| Uptime                            | 233003     | 
+-----------------------------------+------------+
222 rows in set (0.00 sec)亲们，能给出mysql哪些优化建议？状态为零的数据我删除了