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Innodb Cache

forums › forums › Monyog › Monyog: Bugs / Feature Requests › Innodb Cache

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    • November 15, 2007 at 1:57 am #10638
      Bruce Leister
      Member

      Hi,

      Using MONyog 1.11 in Show ALL/InnoDB Cache it shows my sever with a hit cache rate of 99.9%, yet if I click the graph symbol it shows a graph with the Cache Hit Rate flat-lining on Zero.

      Is something wrong, or am I misunderstanding the data ?

      Bruce Leister

    • November 15, 2007 at 5:11 am #25350
      Sabyasachi Ruj
      Member
      Bruce Leister wrote on Nov 15 2007, 07:27 AM:
      Hi,

      Using MONyog 1.11 in Show ALL/InnoDB Cache it shows my sever with a hit cache rate of 99.9%, yet if I click the graph symbol it shows a graph with the Cache Hit Rate flat-lining on Zero.

      Is something wrong, or am I misunderstanding the data ?

      Bruce Leister

      Hi Bruce,

      I think nothing is wrong with that, except the user is not being notified (although it is documented) about the fact that:-

      All the graphs for the cumulative values (like, 'Connection History -> Attempts' which gives the value since the server is started) which are being shown in MONyog are delta values, irrespective of the interface you are looking at (All time, Delta, Default sampling timeframe, Custom Timeframe).

      I guess you are in 'All time' interface, so the value you see there and the graph are not matching.

      Of course, we can communicate this to the user in a better way. We'll show the user a message notifying this.

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