Hi,
Starting with 10.2, in 'show engine innodb status', the format has
changed for pending reads/writes...
The old (pre-5.5) format looked like:
Pending normal aio reads: 0, aio writes: 0,
In 5.5 it switched to:
Pending normal aio reads: 0 [0, 0, 0, 0] , aio writes: 0 [0, 0, 0, 0] ,
(where each value in the brackets corresponds to a read or write thread)
Now in 10.2 it looks like:
Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] ,
I was never clear on what the values outsides the brackets in 5.5-10.1
represented... assumed it was a total of all threads. We were
previously monitoring this value, should we move forward monitoring a
sum of all threads? It seems a little odd to remove a useful metric
from the status output.
thanks
Jon
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