Mysql中Profiling之性能分析(2)
来源：未知 责任编辑：责任编辑 发表时间:2014-02-02 17:50 点击:次
| System lock | 0.000006 | 0.000000 | 0.000000 | 0 | 0 |
| Table lock | 0.000009 | 0.000000 | 0.000000 | 0 | 0 |
| init | 0.000021 | 0.000000 | 0.000000 | 0 | 0 |
| optimizing | 0.000006 | 0.000000 | 0.000000 | 0 | 0 |
| statistics | 0.000011 | 0.000000 | 0.000000 | 0 | 0 |
| preparing | 0.000010 | 0.000000 | 0.000000 | 0 | 0 |
| Creating tmp table | 0.000039 | 0.000000 | 0.000000 | 0 | 0 |
| executing | 0.000005 | 0.000000 | 0.000000 | 0 | 0 |
| Copying to tmp table | 1.900619 | 1.030785 | 0.197970 | 127 | 127 |
| Sorting result | 0.000015 | 0.000000 | 0.000000 | 0 | 0 |
| Sending data | 0.000015 | 0.000000 | 0.000000 | 0 | 0 |
| end | 0.000005 | 0.000000 | 0.000000 | 0 | 0 |
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