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tidb/sessionctx/variable
Han Fei 3126e5e341 *: online update count in table stats. (#3053)
When insert and update happens, we will cache the changed info in every session. After a duration(five minutes now) passes, handle will sweep every cache and merge them. Then dump the delta info to TiKV.
2017-04-15 21:20:44 +08:00
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2016-04-07 20:53:45 +08:00
2015-11-26 11:57:34 +08:00